SA
BUILDING REVIEW
ANNUAL ARCHITECTURAL RESOURCE HANDBOOK
VOLUME 5 | 2017
Waterfall City: Great urbanism in the making V&A Waterfront: Grain Silo repurposed Anti-glare roofing: Technology now in SA
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5 Year
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Cementitious Finishes: Redefining urban living
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Advertorial: BitDrywall
BitDrywall – creative interior solutions BitDrywall was established in 2009 in South Africa to service a niche market for smaller, independent contractors who required ceiling and drywall material. In line with BitDrywall’s mission – to supply versatile ceiling and drywall products at competitive prices – we have grown to become a well-known manufacturer, distributor and supplier to all sectors of the industry in both the private and commercial fields. We are diversified and form part of the BitGroup, which comprises of BitDrywall and BitPlastics. At BitDrywall, we take pride in our quality products that enable our customers to achieve architectural creativity in their projects. Our products provide
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interior solutions in every aspect of a building project, and they incorporate unique properties such as fire resistance and sound insulation. We offer a wide range of products incorporating gypsum plasterboards, suspended ceiling systems, partitioning solutions and accessories across various applications. Placing our customers at the heart of everything we do goes beyond providing the best product and system solution. Excellent customer service is paramount too – we seek lasting relationships with our customers who we are proud to call our partners. With our experience gained in this market we have entered into a new era of growth, creating an impressive geographical footprint in Gauteng,
Cornices
Grid systems
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Advertorial: BitDrywall
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We will also soon be the first African ceiling and partition supplier company to branch into South America.
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Plasterboards
Photos by BitDrywall
Drywall Accessories (Screws & Fiber Tape)
Limpopo, Mpumalanga and across our borders into sub-Saharan Africa. We will soon also to be the first African ceiling and partition supplier to branch into South America. We also plan to further expand our network into sub-Saharan Africa. We endeavour to continue striving for excellence in all aspects of our business by committing to being a trusted supply partner that provides solutions for the ever-changing challenges that our customers face in today’s construction industry.
Mission
Our mission is to supply versatile ceiling and drywall products at competitive prices, being an innovative company, and seeking lasting relationships with partners and stakeholders.
Vision
Our vision is to expand countrywide, into neighbouring countries and to be the first African company to branch out into South America.
BitLiteTM Multipurpose Skim Plaster
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BitDrywall 370 Main Reef Road, Denver, Johannesburg, 2094 T +27 (0) 10 007 3613 E info@bitgroup.co.za W www@bitgroup.co.za
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SA
BUILDING REVIEW
ANNUAL ARCHITECTURAL RESOURCE HANDBOOK
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People who build their own home tend to be very courageous. These people are curious about life. They’re thinking about what it means to live in a house, rather than just buying a commodity and making it work.
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– Tom Kundig
Editor’s Note The process of planning, designing and constructing is an art form. Architecture plays an important role for future generations as it is witness to cultural achievements, just as we admire historical structures. The creative manipulation encompasses our intellectual ideas to become a reality with carefully designed architecture. The built environment is entwined with every facet of our lives – from our workplace and our living space, to our hobbies and our social lives. Our buildings shape us, so living up to the trends shapes our future. From a personal perception, during 2016 I have witnessed how an upgrade to our offices, with new furniture and colourfully painted walls, have completely changed my way of thinking, my attitude and even my personal appearance. Creativity is booming, which is exactly what I had in mind when planning the refurbishment. I believe that change is always for the better. With great excitement, I would like to thank all our advertisers, editorial contributors and our experienced team for their effort and great support over the past five years. Furthermore, I would like to extend my gratitude to the entire built environment for welcoming SA Building Review into the market five years ago, as a useful marketing platform and user tool for the industry. As we are now embarking on compiling our sixth annual edition, I advise you to engage with us at an early stage to avoid disappointment for upfront and prime advertising placements, as well as editorial and project feature inclusions in our 2018 edition of SA Building Review. I wish you all a productive 2017 and look forward to your continued relationship with SA Building Review as your preferred publication, ensuring excellence in exposure for your products and services to your audiences. Finally, I wish all our advertisers a great return on their advertising investment. Best regards Elroy van Heerden editor@sabuildingreview.co.za
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SA
BUILDING REVIEW
sabuildingreview
SA
ANNUAL ARCHITECTURAL RESOURCE HANDBOOK
www.sabuildingreview.co.za
BUILDING REVIEW
ANNUAL ARCHITECTURAL RESOURCE HANDBOOK
VOLUME 5 | 2017
Waterfall City: Great urbanism in the making V&A Waterfront: Grain Silo repurposed Anti-glare roofing: Technology now in SA
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Cementitious Finishes: Redefining urban living VERSARY NI
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5 Year
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RSA R60.00 incl VAT
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Cover art: Vaal Sanitaryware
Printed by Paarl Media Paarl www.paarlmedia.co.za Disclaimer: The views expressed in this publication are not necessarily those of the publisher or its agents. While every effort has been made to ensure the accuracy of the information published, the publisher does not accept responsibility for any error or omission contained herein. Consequently, no person connected with the publication of this journal will be liable for any loss or damage sustained by any reader as a result of action following statements or opinions expressed herein. The publisher will give consideration to all material submitted, but does not take responsibility for damage or its safe return.
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Publisher
404 Commerce House, 55 Short Market Street, Cape Town, 8000 PO Box 15165, Vlaeberg, 8018 Tel: 021 424 3625 Fax: 086 517 7277 Publishing Editor: Elroy van Heerden editor@sabuildingreview.co.za Technical Editor: Gareth Griffiths editor@tobuild.co.za Editorial Assistant: Melanie Taylor artwork@mediaxpose.co.za Sub-Editor: Tessa O’Hara tessa.ohara@gmail.com Content Manager: Melanie Taylor artwork@mediaxpose.co.za Design and Layout: CDC Design carla@cdcdesign.co.za Editorial Contributors: Bosch Power Tools Daniel van der Merwe DPI Plastics Fourways Airconditioning Gareth Griffiths Gela Ohl Institute for Timber Construction South Africa Langkloof Bricks Lyndsay Cotton Quintin Booysen SACAP Featured Projects - Contributors: 255 Architects Andre Kriel Construction & Architecture Architects of Justice ARRCC Architects Attacq Grreenbuilding Council Marcus Smit Jacobs Architects Nico van der Meulen Architects P & D Fenestration Profica Property & Construction Solutions Renico Construction SAOTA Vivid Architects Project Manager: Sarina Afonso sarina@mediaxpose.co.za Advertising Sales Consultants: Rene van Heerden rene@sabuildingreview.co.za Sarina Afonso sarina@mediaxpose.co.za Reception / Executive PA: Janine Mays receptionist@mediaxpose.co.za Financial Director: Shaun Mays shaun@mediaxpose.co.za Marketing & Online Advertising Coordinator: Maurisha Niewenhuys marketing@mediaxpose.co.za Subscriptions and Distribution: Janine Mays subscriptions@sabuildingreview.co.za distribution@mediaxpose.co.za Retail Distribution: RNA Distributors
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BUILDING REVIEW
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ANNUAL ARCHITECTURAL RESOURCE HANDBOOK
contents 4 Editor’s Note 12 Professional indemnity insurance 28 Anti-glare roofing technology 30 Thermal imaging solution 42 PP versus PVC 53 Waste in the brick manufacturing industry 86 Roof truss technology 90 Mega building projects boost concrete-products sector 98 Cementitious finishes
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106 SACPA and ACE sign MOU 117 Roof maintenance 158 Samsung DVM climate control system 165 Floor coverings 182 Advertisers’ index
Featured Projects: 14 Century City Square – a 4-Star Green Star architectural delight 24 Lume Beauty Atelier 50 New Engineering Building, University of Cape Town
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56 Springs Mall 64 Wits Health Sciences Library Foyer 66 Waterfall City – Mall of Africa and Allandale Building 73 Green Building: 4 Stan Road 83 Green Building: The Atrium on 5th 94 House Hugo 102 Dean’s Décor Centre 110 The Concrete House 124 Steyn City Parkland Residence 130 AIG South Africa head office in Sandton 134 Apex on Smuts
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138 Swift Studios 142 ABSA Bank client facing network programme 168 House DV
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SA
BUILDING REVIEW
ANNUAL ARCHITECTURAL RESOURCE HANDBOOK
contents Technical Features:
32 V&A Waterfront’s Grain Silo 46 New headquarters for Statistics SA
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146 Building with shipping containers 154 House Gibson 172 Rocherpan tourist conservation camp
Advertorial Features: 2 BitDrywall: creative interiors solution 39 SAWPA: Understanding wood preservation 74 Rentokil: What are termites, how to spot them and how to control the damage they do 76 Mitek Industries: A profile of success
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84 Saint-Gobain Isover: Insulation inspiration 92 SIKA: Sika’s structural strengthening for urban core station 106 Den Braven: Sealants, adhesives for high joint movement 108 Aveng Infraset: Massive CRB walls stabilise warehouse building platform 140 Ceramic Wholesaler: Ceramic art 149 Quick-Step Instant Staircases: When beauty and simplicity connect
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RICS: Increasing confidence in South African property valuation
174 IFA Timber: Quality wood from around the world
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Editorial: Professional Indemnity Insurance
Protecting your business with personal indemnity insurance – what you need to know
One of the many benefits of investing into professional registration is that you enjoy good standing and the trust of financial service institutions. This, in particular, from insurance companies who cover your Professional Indemnity (PI) and from banks who trust that registered professionals are competent to carry out claims and documentation with regards to draws against building work completed. Considering various calls for clarity received by SACAP’s Professional Fees Committee, it is apparent that not all principals running practices are aware that by working with un-registered persons in their teams they risk their PI insurance company dismissing a claim they may one day need to submit, says Marella O’Reilly, SACAP’S Registrar and CEO. SACAP guides registered persons on the parameters governing how they charge clients and professionally indemnify themselves when performing architectural work. The risk faced by those principals lies in the fact that professional indemnity insurers require in their policies that when a principal agent takes out insurance for a comprehensive scope of work, that all the work identified as being included and covered within that
Photo by: Marella O’ Reilly
Architectural professionals performing architectural work are legally obliged to be registered with the South African Council for the Architectural Profession (SACAP) and accordingly abide by the professions’ Code of Conduct.
policy is performed by registered professionals. Insurance companies may choose not to pay out a claim when they investigate and find that the principal and all the practice’s team members performing architectural work on that project are not registered with SACAP. Insurance companies and the public at large may verify the registration status of any architectural professional on SACAP’s website. ‘We are also aware that not all registered professionals are adhering to Rule 4.1 of their professional Code of Conduct (Board Notice 154 of 2009). This outlines that they shall only undertake to perform architectural work where they have clearly set out in writing the terms of the appointment, which must, among other things, include details of the professional indemnity insurance,’ says O’Reilly. ‘We therefore encourage practice principals to mitigate against financial risk by abiding by the Code of Conduct and at the same time join our Council in pursuing excellence for our vision of a people-centred architecture for South Africa,’ she adds.
About SACAP SACAP is legally charged with regulating the architectural profession. Its mandates are provided for in the Architectural Profession Act 2000, (Act No. 44 of 2000) which came into operation in 2001. It upholds the standard of education and training through accrediting Architectural Learning Sites situated within tertiary institutions. It registers suitably qualified candidates and professionals and promotes Continuing Professional Development through collaborative engagement with Voluntary Associations. It protects public interest by identifying the type of architectural work each category of registered person is capable and competent to perform and administrates a Code of Conduct.
SACAP T +27 (0)11 479 5000 F +27 (0)11 479 5100 E info@sacapsa.com W www.sacapsa.com
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Project: Century City Square
Century City Square – a 4-Star Green Star architectural delight Century City Square is a mixed-use development in Century City, Cape Town. The square was conceptualised as the heart and soul of the Bridgeways precinct as well as instigator, influence and generator for future development of Century City. It comprises several buildings atop a single level super basement that includes a conference centre, a hotel, commercial office space, residential apartments, a structured parking building and ‘folly’ pavilion at the open end of the square. All buildings enjoy nested parking areas in the super basement below and dedicated secure access controlled entrances at both basement and ground floor levels. Vivid Architects were tasked with the urban design framework of this precinct. The current layout and design has recognised and reinforced the needs of the pedestrian user over vehicles, an appropriate human scale and massing of the square, the importance of existing gateways, focal points and view corridors and a full understanding
of the optimum orientation and wind protection. The architecture has employed the maximum use of glass at the ground floor plane to ensure transparency and the seamless interface between inside and out, whilst the brief has ensured that restaurants, coffee shops and the hotel’s public areas spill out onto the square to ensure that there is a constant life and energy. The scheme has also taken cognisance of the new regulations governing the disposal of storm water and, for this reason, it was an opportunity to extend the existing Century City canal system, not only to deal with the storm water, but also to give the urban square a water’s edge that will complement the hard and soft landscaping of the precinct.
Photo by Wieland Gleich
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Project: Century City Square
Strong pedestrian connectivity The overall precinct plan has been thoroughly interrogated to ensure strong pedestrian connectivity between this new urban environment and the existing broader Century City. Special care has been taken to encourage pedestrian movement patterns and to ensure that the pedestrian experience is predominant over that of the vehicle. Traffic calming measures have been adopted in the paving and surface treatments to ensure that the thresholds between building, square and roads are as blurred and seamless as is possible without compromising the safety and practical requirements of such a large development and the safety of the user. All pedestrian and vehicular drop-off access to the individual buildings is via a one-way pedestrian friendly road that bisects the square. This activity of arrival, drop-off and pick-up is one of the essential ingredients in activating contemporary urban squares. A My-Citi bus stop has been accommodated at the open end of the square to further encourage and enhance easy accessibility to the precinct for those using public transport. The defining architectural language and materials palette selected has allowed enough variation in the building aesthetic, yet ensures that there is an architectural cohesion to the scheme. The design and planning of the square has been focused to encourage and facilitate flexibility for social gatherings, outdoor functions, concerts, markets, product launches and general enjoyment of the tenants and visitors alike. This was a crucial design aspect to ensure the urban square has a life beyond
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office hours and is a place and venue that the public can enjoy 24/7.
The four buildings which comprise the Square
The Square is edged by four buildings of varied use activity. At the south-east end or ‘head’ of the square, sits the Century City Conference Centre and the structured parking building. The three-floor Apex office building sits directly above the conference facility, facing down the square with its building height and mass consciously designed to protect the square from the prevailing strong summer south-east winds. The second building in the form of the 125-bedroom Century City Hotel and adjacent mixed use Matrix comprising retail showrooms, offices and apartments, makes up the south-west edge of the square. The hotel and conference centre is linked by a shared drop-off and pick-up porte cochere that makes these two buildings form a strong and protective L- shaped enclosure to the square. The third building is the Apex offices, a standalone fully glazed sculptural building that will house three restaurants at ground floor with six floors of offices above. The square is then further defined by a free-standing walkway colonnade and the ‘impromptu’ language pavilion that floats over the square and canal and contains the open end of the square to the northwest. ‘Impromptu’ celebrates our cultural diversity and is intended as a multipurpose flexible space that can be a stage for concerts, a place to meet and relax, or as a playful and meaningful backdrop to
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Project: Century City Square
the square. The overall architectural aesthetic is one of bold, natural and transparent materials that allow each building to develop its own personality within an overriding architectural language that speaks of contemporary longevity.
Green principles
Century City Square has been awarded a 4-Star Green Star – Custom Mixed Use Design rating by the Green Building Council of South Africa. This is the first development in the Western Cape to be awarded this Custom Mixed Use tool and only the second in the country. All the buildings have been planned around sound passive design principles to ensure a comfortable, healthy and productive working environment for their occupants. They also share an overall environmental strategy that encompasses transport, health, energy, water, and waste. Aspects such as air quality and indoor pollutants, thermal comfort, adequate lighting and glare control, access to daylight and views, and the sound levels have all been analysed and, while energy efficient, the design still prioritises the comfort, productivity and health of the occupants. Transport is one of the biggest contributors to greenhouse gas emissions in the world. Proximity to the My CiTi rapid transit bus service, contracted taxi and bus services, all assist in reducing car travel. There are also designated fuel-efficient bays provided in preferred locations. The supply of treated effluent from the Potsdam Waste Water Treatment Works is available to the project and assists in reducing the consumption of potable water by the buildings’ occupants. Water metering is included in the energy monitoring system.
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The site is previously built on and within the urban edge and therefore assists in reducing urban sprawl. The environmental impact of the construction materials has been carefully considered and adequate space for on-site recycling of office byproducts has been allowed for. Contractors have been encouraged to make use of locally sourced materials to ensure maximum local economic benefit as well as reducing the environmental impact. Greenhouse gas emissions are a consideration in the design of the entire project. Watercourse pollution recognises the quality and quantity of the storm water run-off into the greater canal system at Century City. This environmental intervention assists in replenishing the local water table as well as increasing biodiversity, with the inclusion of additional bio filters added to the canal to maintain water quality. Future-proofing of the various structures is undertaken through efficient building systems that actively respond to the climate, envelope and occupancy that vary daily and seasonally.
Century City Conference Centre
Century City Conference Centre was designed as the ‘anchor’ at the head of the new Century City Square. The activity and buzz that is generated from conferencing is an ideal type of facility to ensure a constant life and energy, as well as patrons for the new restaurants that open onto the square. The conference centre houses four large hall venues, three of which can be combined to seat either 700 people in banquet style or just under 1 200 people in cinema style at ground floor level. A further 11 meeting rooms and an 80-seater business lounge at the first floor makes the venue exceptionally versatile. The conference centre fronts onto Century City Square, which is both a public gathering space and
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Project: Century City Square
an extension of the centre’s facility. Conferences are encouraged to hire this space for complimentary events that can be accommodated outdoors, or just for the delegates to relax in and gather between or after sessions. The architecture has been considered to offer maximum active street frontage on the ground and first floor, with large floating planes of natural brick facade to protect the square from the prevailing winds. The building has been designed to Greenstar principles and offers enhanced natural light deep within the double volume pre-function space of the centre. The internal volumes are connected with an elegant feature staircase in steel and timber that compliments the understated warm and timeless interior design. Wherever possible, the design has maximised on available natural light and views, especially over the square and the canal system that surrounds the development. The interior design of the conference centre venue is a collaboration between Vivid Architects and Source IBA, the result of which is an interior that boasts a seamless synergy of contemporary design with timeless appeal, employing both a neutral palette and warm tactile materials.
the precinct when approaching from the Energy lane, a very important pedestrian walkway link that connects back to the Century City across Century City Boulevard. The architectural aesthetic of the Annex is one of understated classic elegance with its articulated light face brick façade, punctured by long vertical view windows or sheer glass focal corners that work in unison with the adjacent hotel design to form an L-shaped building to enclose the square.
Annex
The Annex offices sit directly above the hub and energy of the Century City Conference Centre and form the important, centrally located backdrop to the Urban Square. The tapered perspective of the square firmly focuses on this important office space that will enjoy great views over the entire square and Table Bay in the background. The building tapers to a sheer glass façade that is a significant beacon and focal point of the entrance to
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Project: Century City Square
Apex
The Apex sits proudly as the ‘suit + tie’ or urban high rise building as the landmark in the square. The bold elliptical form is dressed with two sheer skins of patterned, flush glazed glass that form a dynamic exciting façade. The user enjoys 360º views of Century City and greater Cape Town. The 8-storey Apex boasts an elegant timeless glass façade that will offset the more natural façade materials of the adjoining buildings. The front door address is directly off the urban square and is flanked either side by the hub and vibe of the ground floor restaurant offerings. The Apex is orientated north-south and is focused directly onto the entrance into the Bridgeways precinct. This narrow elegant feature is celebrated with full height glass shop fronts that open out onto private balconies that are shaded by sun control louvers to give depth and animation to this important façade. An elegant timber restaurant deck floats over the canal, greeting visitors on their approach to the square that immediately sets the theme and an atmosphere conducive to meet and socialise.
Matrix
The Matrix concept is based on the narrative that every city has a mix of old and new buildings that happily and seamlessly co-exist side by side. Old offsets the new. The Matrix has been conceived as that old warehouse building that already exists. In line
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with the adjacent new contemporary buildings that form Century City Square, it has been refurbished and given a new landmark life. The architecture of the Matrix speaks of an industrial warehouse era and aesthetic. Strong robust face brick facades with floor-to-floor window treatment and natural materials interfaces with the needs of an efficient practical and sophisticated office space. The Matrix offers something different – different in its architectural aesthetic, different in its ability to provide flexible space and different in its interior look and feel. The interior concept is unique as a Century City offering in that users will be encouraged to follow the theme adopted for the public areas of the Matrix building. It is the intention, wherever possible, to limit the use of traditional office ceilings, thereby exposing the services and the off-shutter concrete soffits. All the windows and doors are tall, elegantly framed aluminium sections that enhance the feeling of office height and volume to maximise on the great views and natural daylight. Internal elements of white pointed red face brick are offset against white plastered walls and natural reclaimed looking timber cladding to ensure a warm natural eclectic feel.
The parking building
The challenge with any mixed-use precinct is how to deal with the pressures and requirements for sufficient parking. Century City has a very high water table and
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Project: Century City Square
so it is not practical or viable to construct more than one underground parking basement. That, coupled with the urban design concept of a pedestrian friendly and active ground floor plane around the base of all the buildings, meant the only other option available was to design and build a freestanding parking structure with a unique character and presence of its own. As with the cost constraints of any parking building, the architects had to find a cost-effective design concept solution to dress up the facades to ensure it shielded the cars and the fluorescent strip lighting to the concrete soffits from external view, yet allowed enough cross ventilation to obviate costly services such as sprinklers and mechanical ventilation. This was achieved through applying three varying shades of CNC cut aluminium panels in a random format to all visible facades. The play of light during the day, or backlit effect at night, gives this building a wonderful playful animated faรงade that has a life of its own.
Vivid Architects T +27 (0)21 526 1500 E office@vividarchitects.co.za
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Project: Lume Beauty Atelier
Lume Beauty Atelier – where vibrancy and tranquillity co-exist At Lume Beauty Atelier serenity meets city glamour. This boutique, high-end salon situated in the vibrant De Waterkant district of Cape Town, is luxury personified with an edgy and contemporary city feel. Designed to give visitors a tranquil experience in high fashion, modern surroundings, the team of ARRCC interior designers created a space where vibrancy and tranquillity co-exist in a carefully planned juxtaposition. The unique concept of a high-end fashion hair salon and nail bar combined with a treatment spa challenged the designers to combine elements that can create both excitement and a sense of
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serenity. The energetic rhythm of the graphic on the outside shop front reveals a glamorous reception foyer where monochromatic tones were used to bring calmness to the interior, complimented by luxurious textures and a richness created by the layering of finishes. French oak, rose gold, brass and white veined marble with accents of black throughout creates a sense of luxury that enfolds you as you enter the spa.
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Project: Lume Beauty Atelier
Innovative design optimises a small space
Incorporating a hair salon, nail bar, three treatment rooms, a medi-spa and colour lab, clever and innovative design was needed to optimise the small space of 217m². Working within these confines, the designers opted for an energised feel that creates an illusion of openness without compromising on luxury. Mirrored walls and reflective surfaces were used to achieve this and make the interior sparkle. French oak panelling and screens cleverly placed throughout creates the perfect balance between just enough private and public spaces. In the hair salon, the ultimate luxurious experience starts with premium Italian leather embossed lounge chairs at the wash basins. The plush Italian Minotti furniture used is proof that no luxury was spared in creating the ultimate pamper destination. The intimate, yet high energy design of the nail bar sets the tone for a social gathering space where visitors can rub shoulders with celebrities and be seen enjoying the luxury of being pampered. Clever lighting solutions were used to give definition to the area and display products. Axor Starck glass taps and stone basins are just some of the elegant finishes used to entrench the feeling of being
surrounded by luxury. Curved glass panels and a cutting edge colour scheme lends a futuristic look to the colour lab. A focal water feature facilitates the seamless transition from the vibrancy of the hair salon and nail bar to the serenity of the treatment rooms. Each treatment room has an on-suite private cabin, including bathroom and steam shower.
Bespoke shelving and display
Without the luxury of space, storage and product display throughout the salon presented a big challenge which was addressed with innovative custom made shelving and display cabinets, locally designed and manufactured in Holland. Each shelf and cabinet was tailored to the specific products it houses, displaying it in a way suitable to its exclusivity. These products include Oribe, Biologique Recherche and Terres D’Afrique. Joinery and attention to detail were crucial in the success of putting all the pieces of the puzzle together within the space available. The specific layout that was needed to accommodate the separate areas further demanded bespoke and custom made pieces to achieve the desired look, making this salon truly unique and exclusive.
ARRCC T +27 (0)21 468 4400
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Editorial: Anti-glare Roofing Technology
Anti-glare roofing technology now in SA BlueScope, a leading multinational steel supplier, has recently introduced an innovative coated steel roofing material to the African market that reduces specular reflection and minimises disturbing glare from a coated metal roof.
Photo by Thomas Leach Architects
‘Architects, designers and developers are delighted with the launch of premium products, Clean COLORBOND® MATT and Clean COLORBOND® ULTRA MATT steels’, says BlueScope’s Regional Manager, Africa, Arno Hanekom. Formed into a variety of roofing profiles by leading South African roll formers and roofing specialists, the product is available in a range of durable and attractive colours that closely resemble the standard Clean COLORBOND® range. ‘However, that is where the similarity ends, because Clean COLORBOND® MATT (AZ 150) and its ULTRA version (AZ 200) incorporate a new unique performance coating, specially designed to reduce the problems of glare caused by today’s high-gloss steel roofs,’ Hanekom adds. Incorporated into Clean COLORBOND® MATT and its ULTRA derivative is THERMATECH™ technology that allows the product to achieve greater thermal performance with no compromise to its quality. The product also boasts high dirt resistance, chalk resistance and gloss retention. The table below shows the range of colours available and highlights the outstanding gloss reduction performance of the new coating.
Jacobs Ladder - Kalk Bay House
matt finish suited to addressing the issues of glare from sunlight common in urban areas. On the domestic housing front, the product was recently used in cladding an extension to a heritage home near the sea in Kalk Bay, Cape Town. ‘The Clean COLORBOND® MATT steel cladding allowed us to achieve a crisp form with clean lines that speaks about contemporary design and roots the project in the present,’ says project architect, Thomas Leach. ‘The Victorian profile links it with the past. The steel cladding creates a waterproof sheath that performs well, is maintenance free and looks great.’
Reducing reflective glare
Clean COLORBOND® MATT aims to provide a gloss rating of 7 +/- 3 units. The product has set a new standard for steel roofing and cladding with a stylish Product
Clean COLORBOND®
Clean COLORBOND® Ultra
Solar Reflectance Index
Clean COLORBOND® MATT
Clean COLORBOND® Ultra MATT
Solar Reflectance Index
Coating
AZ 150
AZ 200
(SRI)1 - ASTM E1980
AZ 150
AZ 200
(SRI)1 - ASTM E1980
25 units (standard)
7 units
Gloss units
25 units (standard)
25 units (standard)
7 units
7 units
Colour
African White
Amazing White
85
Winter MATT
Sonata MATT
84
Off White
Enduring White
85
Scallop MATT
Oyster MATT
82
Ivory Grey
Cosmic Grey
81
Cotton MATT
Cloudy MATT
80
Shale Grey
Ultimate Grey
69
Coffee MATT
Latte MATT
68
Armour Grey
Livid Grey
47
Hidden MATT
Alley MATT
47
Volcanic Grey
Ore Grey
29
Graphite MATT
Iron MATT
26
Cape Charcoal
African Charcoal
19
Eclipse MATT
Granite MATT
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BlueScope Steel Southern Africa (Pty) Ltd T +27 (0)21 442 5420 E arno.hanekom@bluescope.com W www.bluescope.co.za
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There are two kinds of light reflection - specular reflection and diffuse reflection. A specular reflection occurs when light is reflected in a concentrated mirror-like manner, resulting in a discomforting glare; whilst a diffuse reflection is a scattered and unfocussed reflection of light.
Now also available in Clean COLORBOND® AZ150 MATT
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2017/01/13 11:22 AM
Editorial: Thermal Imaging Solution
Thermal imaging solution for precise measuring and documenting The GIS measure&document app, supported by the GIS 1000 C professional thermos detector, is a one-of-a-kind package from Bosch Measuring Tools. It includes a standalone thermal detector device and app that gives professional contractors the opportunity to set multiple measurement points, insert notes, add project information and get more detailed measurement information. Bosch Measuring Tools SA brand manager, Sebastian Johannes, explains that the GIS measure&document app is a mobile solution for documenting temperature measurements. It allows the user to share the generated data via email or store it in the app. ‘It boasts a measurement point to view all corresponding measurements, a measurement tab for several measurements and surface temperature, as well as a value list for importing measurements. It includes colours to indicate the status for the measurement mode chosen on the GIS 1000 C, while the connection status at the top indicates if it is connected via Bluetooth,” he says. The tool also features a Sketch & Measure function which allows the user to take a picture, set measurement points in the picture and add temperature measurements from the GIS 1000 C, using Bluetooth. The corresponding data, such as the dew point
and ambient temperature, is then shown for each measurement point for the measurement mode chosen in the device. Johannes explains that the user can also share their project as a PDF document via email. ‘The user can create a new or open an existing project, sort and delete projects, add or edit project information, search for projects, files and notes with the search function,” he says. For the wizard in the application to be connected, the user must activate Bluetooth on both devices, select the GIS 1000 C device and finally make a sample measurement. ‘The user can create their own project, add relevant project information such as project name, customer name and contact information. A file can be created by taking a picture or choosing one from the gallery, editing it, adding text notes and deleting or moving the measurement points,” he continues. The GIS measure&document app is available free for iOS and Android smartphones and tablets. The free app is available from the Apple App Store and Google Play Store. For more information on the GIS 1000 C professional thermo detector please visit www.bosch-professional.com.
Bosch Power Tools (Sebastian Johannes) T +27 (0)11 651 9600 E sebastian.Johannes@za.bosch.com W www.bosch.co.za
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Project: V&A Waterfront’s Grain Silo
Grain silo repurposed By Gareth Griffiths Photos by: Gareth Griffiths Imaging, Marc Hoberman and Navigator Films
The historic grain silo (The Silo) situated in the Victoria and Alfred Waterfront dates back many years to a time when most of the country’s trade was conveyed on the high seas or via steam train. Completed in 1924, the Silo dominated the skyline of the city at 57m tall.
The Silo District
The Silo now lends it name to and forms the centre piece of a new district within Cape Town’s famous V&A Waterfront, a redevelopment project which started in 2010 as a mixed commercial, residential and leisure hub to the east side of the V&A and connecting it with the CBD. The overarching vision for the former grain silo is to redevelop and restore it so that it attracts national and international interest, bringing it to life as a new cultural centre for the City and the continent as a whole. Referred to by V&A Waterfront Development Manager, Mark Noble, as ‘the cathedral at the centre of the precinct’, the Silo has been given a remarkable makeover and will shortly house one of the world’s largest collections of African contemporary art from the continent and across its diaspora. A partnership between the V&A Waterfront and Jochen Zeitz will create the Zeitz Museum of Contemporary Art, Africa (MOCAA). The museum will be spread over 9 floors and will total nearly 10,000m2 with over 5,000m2 of dedicated gallery space. It is expected to open on 24th September 2017. In addition, a 28-room boutique hotel has been developed directly above the museum, rising
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Photo by Gareth Griffiths
Constructed by SA Railways and Harbours, the facility consisted of a suite of buildings including the storage annex, elevator building, dust house, dust cyclone and track sheds. The facility processed hundreds of thousands of tons of wheat, maize, soya and sorghum. It was sited to take advantage of its connectivity to the docks and the supporting rail infrastructure. An iconic building, it is considered an important contributor to Cape Town’s urban character. Consequently, it is heritage-listed by Docomomo South Africa (See http://www. docomomo.com and https://goo.gl/CgFD3O) . By 2001, the old Silo had become redundant.
The original grain silo in 2013 – just prior to commencement of works. Note from left the annex, dust house (front) and elevator building.
five stories above the elevator building section of the silo. This will soon be occupied by the Royal Portfolio hospitality group. SA Building Review was given an exclusive tour of the project by V&A management which we are proud to share with our readers.
Project team Design architect: Heatherwick Studio Executive architects: Van der Merwe Miszewski (VDMMA), Rick Brown Associates (RBA) and Jacobs Parker Principal Agent and Project Manager: MACE Main Contractor: WBHO Structural Engineers: Arup and Sutherland Engineering Mechanical Engineers: Arup Electrical Engineers: Solution Station Façade Engineers: Arup Independent Commissioning Agent: Matrix
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Project: V&A Waterfront’s Grain Silo
Photo by Gareth Griffiths
Team members on site – Neil Punt (WBHO), Mark Noble (V&A Development Manager), Fran Ventura (V&A Project liaison) and Johan Lotz (master polisher).
Suitability as a museum
How does an organic building such as a grain silo morph into a breathtaking gallery, housing a premier art museum and a boutique hotel? Principally, the former silo consisted of two functional areas: • An elevator building which received, hoisted and then gravity-fed incoming grain from a rail loading point to various storage bins inside the complex. • The storage annex – the major storage areas consisting of 42 large individual silo ‘cylinders’ measuring 5m diameter by 30m high. By clearing out a portion of the highly compartmentalized internal structure it was possible to create a series of exhibition spaces. The intention was to convert most of the total existing volume to 80 separate gallery spaces, education spaces, reading rooms, meeting and conference space, plus a huge atrium area beyond the main entrance, rising 30m and 20m across. This atrium occupies the space of 12 of the former silo cylinders and is arguably the most imposing feature of the new building. Walking into this chamber, one is given the impression of being in space – weightless and shaped with massive curved dimensions. Suspended overhead, the impression of zero gravity is provided by gigantic ‘hanging’ silo cylinders (as cut) which form the concentric ring arch above. The top of the bins is capped with a glass roof which lets light enter the atrium from above. The bottom of the atrium is formed by graded steps that naturally contour the rounded space forming a flexible amphitheatre space that can be used for both events and displays. In addition, a rooftop floor is dedicated to a restaurant, an education centre and a rooftop sculpture garden. It is from this level that visitors may embark on their ‘walk of faith’ across a highperformance glass floor that looks down into the atrium. Visitors arrive on this level by using one of two scenic lifts. These lifts operate inside two of the cut-away silo cylinders – with a view into the atrium. A third adjacent partly cut-away silo provides the third
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panoramic option – a steel spiral staircase. There are also conventional service lifts and the usual fire escape staircases, in line with standard building safety requirements. By way of a design element that is a first in Africa, Zeitz MOCAA will be served by Category A climate control in the galleries. The technology has been endorsed by the International Council of Museums (ICOM) and is used in internationally renowned galleries such as Pompidou Metz, Pulitzer and Paul Klee. The technology offers the highest level of protection to a collection and is the most advanced climate control technology available at present. It will allow MOCAA to exhibit any piece of art, no matter how fragile. In line with other V&A Waterfront buildings, much of the climate control is based on renewable energy – in this case the chillers utilise the district sea water plant.
The mealie pip concept
The vision for the atrium contemplated by principal designer Thomas Heatherwick, CBE, is graphically articulated in a V&A Waterfront YouTube video interview. In his own words: ‘Inside we were in danger of losing the extraordinary cellular structure, so we created a space that would help you (the visitor) understand the building. So, you would walk in and navigate around. We took the idea of taking just one of those billions of grains of corn so that we could scale it up and use it as a (model) for the cutting tool to cut through’. Innovative aspects and features of the Silo are many. While a single article in SA Building Review is insufficient to explain the full extent of design and engineering innovation with readers, we mention only the highlights.
Cutting of the individual silos and their lining
A major engineering design feature of the new building and one which ‘makes it hang together’ is the engineering treatment of the individual silo tubes and cylinders that formed the annex.
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Project: V&A Waterfront’s Grain Silo
Photo by Gareth Griffiths
Above: Making it hang together – old concrete surrounded by new concrete. Note the 200mm thick reinforced concrete liner. Above right: Silo side entrance. Note the old concrete outer wall of the silo tube with the newly placed inner ‘jacket’ liner. Much of the project’s structural stability is imparted by this liner.
The atrium itself – jackets and sleeves
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Photo by Marc Hoberman
A core concept in reinforcing the strength of the remaining silo tubes so that they could be left in place and cut to the architect’s design, is the use of an inner concrete ‘jacket’. Using concrete supplied by AfriSam to engineer’s specification, the inner circumference of each silo tube was re-lined with 200mm thick reinforced concrete to its exact cut dimension. ‘The new concrete was poured into formwork within each atrium grain silo exactly to the shape of the new atrium. This formwork was set out in each tube in isolation from the next using a complex 3D model to provide the relevant data points which were then translated using basic surveying techniques to an accuracy of plus-minus 50mm over the entire atrium,’ says Noble. A 50mm deviation over this huge edifice is truly exceptional. ‘The relining of the circular silo tubes was the first activity to take place. This new concrete structure forms the primary structure for the building, without which the old silo tubes could not be altered. Specialist form work was created in conjunction with PERI Formwork and then lowered by crane into each tube. Each pour was approximately 3m high. This can be clearly seen on site, particularly around the lifts,’ he explains. Once the new concrete structure was cast inside the old tubes and connected across the top to create the concentric ring arch structure, the newly set concrete was then used as the guide or template to cut the old structure. Two types of cutting machine were mainly used; the double blade and the diamond rope. The discarded concrete sections were cut into 1 ton blocks by large diameter diamond circular blades and then lowered to the floor to be carted off site. After the cut-away part of each silo tube had been lowered to a height of 18m above the slab, a 20 ton machine specially brought in, demolished the remaining tube walls. Waste material was recycled or in the case of steel beams, was reused as temporary bracing during construction. After much effort, the atrium area was cleared. Then a highly skilled specialised polishing team directed
Demolished concrete sections from the silo cylinders were lowered to the floor.
by master polisher, Johan Lotz, moved on site and has been painstakingly at work for several months polishing the surfaces of the walls.
The remainder of the silo annex
The eastern half of the annex, consisting of the 24 remaining Johan Lotz, master polisher. tubes, was re-sleeved around its entire perimeter and then supported with façade retention supports. After this, circular silos inside were hollowed out as follows.
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Project: V&A Waterfront’s Grain Silo
Photo by Gareth Griffiths
• The internal tubes and bins were then demolished and the rubble removed before the excavation into the building foundations could begin to create the eastern core. • A new reinforced concrete frame inside the perimeter was then constructed once the eastern section core had continued past the first level. • This new frame was tied into the façade at each level to provide full structural integrity. The concrete structural fins were demolished one floor at a time. At the same time, the adjoining re-sleeved sections were joined at the central point to create the perimeter column structure, vital in transferring perimeter loads down to the foundations.
The work of the polishers. The curved surface of the cut lines shine in the incoming light from the top of the atrium.
Art in boxes. Heatherwick’s concept of white box galleries. A gallery section protrudes through an adjoining silo tube on the upper level.
Photo by Navigator Films
• First the façade (with its reinforcing jacket) was cut away using large diamond blades, releasing it from the throw away central portion. At the same time, sufficient structural fins were left inside to support or retain the façade.
Eastern side of the annex undergoing demolition. Note the bracing. On the right are the Silo 1 and Silo 2 new buildings.
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Project: V&A Waterfront’s Grain Silo
Once the reinforced concrete frame was complete inside the annex, work begun on building the individual gallery ‘white boxes’ which would house the art. ‘The walls are simple dry lining with plaster board noggins to take the art. The floor is a raised access floor to create the necessary underfloor plenum to allow the displacement ventilation system to work,’ says Noble.
Use of pillowed windows
The museum itself has a series of pillowed windows that surround the lift lobby on level 6 (the top of the erstwhile silo tubes), the restaurant and events space and the sculpture garden. A distinctly shaped set of windows set in a steel frame were fashioned offsite by Mazor Glass and delivered on site. Each unit takes only minutes to be set in place once raised by crane to the level. The hotel above the elevator building has five floors with these windows, allowing generous sweeping views across the harbour and beyond.
Walking on glass
Above the atrium, on the level of the art sculpture garden, visitors will be treated to the rare experience of walking across suspended glass. Using a similar material to that used at the Eiffel Tower and the ‘Gherkin’ building in London, the high-performance glass was supplied by St Gobain France to their Lite-Floor Xtra Grip specification.’The glass includes a special ceramic fritting to prevent solar heat gain and was designed by a famous artist – literally including art into the fabric of the building’ adds Noble.
Original bins and equipment
To preserve the building in the best way possible, parts of the large steel storage bins of the elevator building and lower level of the silo annex were first removed to facilitate demolition and construction and then replaced as part of the building’s display of history. The basement of the building gives an accurate feel of how the silo worked – a virtual rabbit warren of tunnels where grain flowed down and out into bins and was taken up via conveyor belts to the elevator, where after it was transferred onto the external conveyor out to the loading terminal on the quay.
Outside
Much has been done to retain the original look and feel of the former grain silo, except for the hotel extension on top of the elevator building and the curious looking pillowed windows. To preserve the façade of the building, the base concrete was treated with a specialised concrete repair product. South African and English built environment specialists have used the most awesome technology in putting together a completely legendary project. It is truly worthy of international recognition at the highest level. The writer acknowledges with gratitude the time and effort given by the V&A key project personnel, especially Fran Ventura and Mark Noble, in providing access to site and for the highly thought provoking site tour – GG.
The new MOCAA emerges. Note the pillowed windows. In the foreground, the rennovated dust cyclone and the dust house.
The basement of the Silo museum silo showing the detail of the preserved bins.
Gareth Griffiths is a technical photojournalist. View his work on www.professionalphotroshoots.co.za
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Tel: 011 974 1061 sawpa@global.co.za www.sawpa.co.za
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2017/01/13 11:35 AM
Advertorial: SAWPA
Understanding wood preservation Bruce Breedt, executive director of the South African Wood Preservers Association, discusses the basics of wood preservation. There are two types of wood preservation, primary (industrial) and secondary (DIY). Primary wood preservation involves a process where wood is impregnated with an industrial chemical wood preservative (biocide) to increase its durability and resistance to biological attack (fungi, wood borers and termites). High-pressure processes, involving waterborne chemicals and Creosote are predominantly used. Other approved methods of primary wood preservation are hot and cold open tank, using Creosote, diffusion, using Borates and low-pressure or double-vacuum processes using light organic solvent preservatives (LOSP), such as TBTN-P or Azole Permethrin. Visit http://youtu.be/aCF0kYD6ruY for an animation of the pressure process used. Primary wood preservation is a pre-treatment were the timber is impregnated with a wood preservative prior to end-use application, and therefore acts as a preventative measure. It is not supplemental or remedial (after the fact). Chemical retention, penetration and processes used are prescribed in SANS standards and mandatory compliance is regulated through regulations and compulsory specifications. Third party product certification is thus required. Secondary wood preservation includes supplemental or remedial preservatives that contain biocides as active ingredients, which can also be included in protective wood finishes that has wood sealers as the carrier. Supplemental or remedial preservatives are mainly applied by hand, for example, by brush, painted or sprayed on in a DIY setting, and are mainly corrective to stop further attack. It can also be preventative by treating exposed ends of pre-treated timber that has been
modified or cut. Bandages, pastes and rods (sticks) with diffusible borate as the active ingredient also fall under the remedial preservatives. Supplemental or remedial preservatives normally require an on-going maintenance programme to remain effective. Protective wood finishes come in the form of sealers and varnishes, contain no biocides and are also applied by brush, paint, and spray in a DIY setting. These types of wood finishes protect against weathering factors, such as water ingress, temperature changes and UV rays, but not against fungal and insect attack.
Why preserve timber?
The natural durability of our commercially grown and used plantation species like Pinus and Eucalyptus is low, rendering it susceptible to insect and fungal attack; therefore it is imperative to preserve the timber. Timber preservation also enhances durability and confidence in using timber and extends the life of timber, as well as providing the added benefit of increasing the carbon sink. Preservation of timber and the use of preservative treated timber are regulated by building regulations, such as regulation A13, as well as in the NHBRC manual, which specifies the use of preservativetreated timber when used in permanent structures in specific areas of South Africa. Compulsory specifications for timber preservations can be found in the VC 9092 (NRCS) specification which regulates the sale of preservative treated timber. Both these regulations refer to SANS10005, The preservative treatment of timber, which in turn refers to the relevant product standards are mentioned below.
Hazard Class
Application and risk
Preservative Type
Retention kg/m3
H2
Dry indoors, above ground – Low
CCA Creosote
6 80
H3
Outside above ground – Moderate
CCA Creosote
8 80
H4
In ground contact – High
CCA Creosote
12 100
H5
Fresh water & heavy wet soil – High
CCA Creosote
16 130
H6
Marine (sea) water
CCA & Creosote
24 + 200
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Advertorial: SAWPA
H CLASSES
PRESERVATIVE TYPES
TYPICAL END-USE APPLICATIONS
PROTECTION
RISK FACTOR
H2 – Dry interior above ground
• C lass W – CCA, CuAz, ACQ and Boron • Class O – TBTN-P and ZP
Roof trusses and frame wall construction, interior doors and joinery
Insect attack
Low Risk
H3 – Exterior above ground
• Class W – CCA, CuAz & ACQ • Class C – Creosote & Coal tar
Decking, cladding, outdoor furniture, and exposed structural, fencing and landscaping timber products not in direct ground contact
Fungal attack and insects
Moderate risk
H4 – Exterior in-ground
• CCA, CuAz & ACQ • Creosote & Coal tar
Normal in ground timber/poles used structures, fencing, landscaping and garden features, etc
Fungal decay and insect attack
High Risk
H5 – Fresh water & heavy wet soil contact
CA, •C CuAz & ACQ • Creosote and Coal tar
Used in contact with fresh water and heavy wet soils, e.g. structures in fresh water, such as jetties, walkways, piling, etc
Fungal decay and insect attack
High Risk
Dual treatment of firstly CCA and then Creosote
Used in direct contact with sea water, e.g. jetties, quays, marine walkways, retaining walls and barriers
Fungal decay and marine borers
High Risk
H6 – Marine
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Advertorial: SAWPA
Choosing the correctly treated timber
The following SANS standards apply to treated timber: • SANS 457 parts 1 and 2 – wooden poles, droppers and guardrail posts for building, fencing and agricultural purposes • SANS 753 and 754 – wooden poles for transmission and telephone lines • SANS 1288 – All other preservative treated timber, for example sawn structural and flooring These standards specify a Hazard Class system (H Classes), which categorises treated timber into different end-use applications based on the following: • Different exposure conditions • Potential risk of biological attack • Preservative retentions/chemical loading
Product use information
Be sure to choose the correct H class timber for your intended application and apply remedial preservative to all cross-cut and exposed areas (except when in contact with the ground, fresh water or marine applications). Apply a suitable brush, paint, or spray-on wood sealer when the natural look of the timber is desired. Do not plant poles inside an encapsulated concrete base. Instead, use a ‘collar’ or compacted stone and soil, with or without a solid (cured) concrete base.
How to plant a pole
The detail in this diagram assists proper drainage of any moisture that may be absorbed by a wooden pole. A structural engineer must be consulted for detailed structural requirements.
Safety precautions and warnings
When machining (sanding and sawing) CCA treated wood, be sure to wear a dust mask. It is also important to wear safety glasses to protect your eyes from flying particles. Work in a well-ventilated area to avoid prolonged inhalation of sawdust from CCA treated wood and wear gloves when working with freshly treated wood. Always wash work clothes separately. Do not make baby toys or furniture from CCA treated wood that may be chewed on by infants, or make any food utensils from CCA treated wood. Do not use CCA treated wood for firewood, to prepare any foods, and do not store food in direct contact with CCA treated wood containers. Do not make containers for storing drinking water from CCA treated wood. CCA treated wood should also not be used in beehives where it may come into contact with the honey, nor should treated wood shavings or sawdust be used for animal litter or where it can become a component of animal feed.
Disposal
While treated timber waste is not regarded as hazardous waste material, treated wood off-cuts and waste should not be allowed to accumulate but should be disposed of at a registered disposal or landfill site. It is important not to burn treated wood off-cuts and waste or use it for firewood for food preparation as this will allow the release of chemicals, which are tightly bound to the wood, into the smoke. The ashes may also contain residual chemicals. The primary wood preservation industry currently boasts 116 certified treatment plants in South Africa, consisting predominantly of CCA treatment plants and Creosote plants. In 2013, the total estimated preservative treated timber volume treated in South Africa was 1 065 580m3.
For more information on wood preservation in South Africa, please contact SAWPA
South African Wood Preservers Association T +27 (0)11 974 1061 E sawpa@global.co.za W www.sawpa.co.za
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Editorial: PP Versus PVC
PP vs PVC for pipes and fittings for sewer, drainage applications A lack of knowledge in South Africa about the use of polypropylene (PP) for sewer and drainage pipes and fittings for underground gravity sewers and drains may lead to the premature failure of sewer lines if incorrect products are specified. While PVC sewer fittings are all rated 400 kPa (SN 8), both SANS 8773 and SANS 21138 allow lower stiffness ratings for fittings. A lower stiffness rating makes for a thinner wall thickness and therefore a cheaper product. Low-stiffness pipes and fittings are intended for use in shallow drains, whereas SN 8 (400 kPa) pipes and fittings can be used in all drains and deep sewers. ‘The South African market is not well educated to look for, and know, the difference. Hence SN 2 (100 kPa) and SN 4 (200 kPa) PP sewer fittings are sometimes installed in main sewer lines, an application they were not designed or intended for. This may lead to premature failure of sewer lines,’ explains DPI Plastics Technical and Product Manager, Renier Snyman. ‘PP is a new entrant, while having a minimal track record in the sewerage and drainage market, compared to PVC, both locally and abroad,’ Snyman points out. His call for increased awareness about PP versus PVC comes in the light of PP fittings for sewer and drainage applications slowly being introduced into the local market. DPI Plastics offers a full product range of PVC pipes up to 630mm and fittings are available for these sizes. However, only 110mm PP sewer fittings are available in South Africa. ‘This means that a full system and size range of pipes and fittings are not available locally in PP material,’ Snyman cautions.
About DPI Plastics DPI Plastics is a leading manufacturer of PVC and HDPE water reticulation and drainage pipe and fitting systems, with two ISO 9001 certified South African factories, one in Johannesburg and the other in Cape Town. In addition, the DPI Group has wholly-owned subsidiary plants in Namibia and Botswana and joint venture manufacturing operations in Mauritius, Tanzania and Angola, producing plastic pipes to the relevant SABS or international specifications.
DPI Plastics T +27 (0)21 957 5600 F +27 (0)86 505 6484 E mgoodchild@dpiplastics.co.za W www.dpiplastics.co.za
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Project: New Headquarters for Statistics SA
Stats SA is a government department under the Statistics Act of South Africa of 1999. It recently moved into new headquarters located between Koch, 6th Street and Pretoria Station in Salvokop close to the Freedom Park cultural institution and museum
Clad for success By Gareth Griffiths Photos by Peter Hassal Photography Winner of the Cladding Category of the SA Institute of Steel Construction Awards 2016, the new headquarters for Statistics SA (Stats SA) certainly catches the eye. Project background
The R 1.4 billion contract at the time was awarded in 2014 to the Dipalopalo Consortium. Prior to the new building’s completion, Stats SA was housed in three separate buildings – two in the Tshwane CBD and one in Pretoria West. The move into the new building heralded consolidation of operations into a central 31 800 m2 commercial office floor space, bringing with it much greater efficiencies. The project finance was arranged by investment bank Nedbank Capital on a public private partnership (PPP) basis. Of the project finance, the government s contribution was R600 million. Notwithstanding its status as a public service building, significant planning and effort went into the
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design and construction of the new headquarters. Consequently, the new building achieved a 4 Star Green Star SA Office v1 Design rating according to sustainability consultant, Solid Green. One of the striking features of the new Stats SA building is its impressive roof and bold clad angled walls. Using the iconic Chromadek® brand supplied by ArcelorMittal South Africa, Global Roofing Solutions were requested to supply roofing and cladding in the Brownbuilt profile. According to Global Roofing Solutions National Specifications Manager, Lyle Jeffery: ‘The sheeting profile contemplated by the architect was the Brownbuilt standing seam. This profile was first launched in 1964 and was the first concealed
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Project: New Headquarters for Statistics SA
fix roofing profile in South Africa at the time. Both architects Marius Botha and Leon Fourie (GLH & Associate Architects) wanted a profile with a contemporary yet retro feel. So, with the slim shadow lines and wide broad pans offered by Brownbuilt they could achieve this. A particular challenge was the extensive bespoke flashings that were required to integrate the many windows with the Brownbuilt sheeting. This feature was excellently accomplished by the Roofing Installer Tate & Nicholson (RJ Southey)’.
Technical details
The building’s roof and side cladding is rolled from 0.58mm galvanized Z200 GRS Brownbuilt profiled sheeting with the standard Chromadek® finish. Chromadek® colours used include Dove Grey, Dark Dolphin and Charcoal Grey.
Project professional team: Developer: Dipalopalo Architect: GLH Architects – Terra Ether JV Structural Engineer: Pure Consulting Quantity Surveyor: RLB / Pentad Project Manager: GLH Project Manager Main Contractor: STATS SA JV Green building consultant: Solid Green Steelwork Contractor and Nominator: Cadcon (Pty) Ltd Structural Steel Detailer / Detailing Company: Mondo Cané Cladding Contractor: Tate and Nichols Metal Cladding Supplier: Global Roofing Solutions Steel Roofing Material Supplier: ArcelorMittal South Africa Paintwork: Dram Industrial Painter
The roof and walls were insulated by means of over purlin on roof and sides using 40mm thick white faced Lambdaboard and Sisalation 405. According to the Awards citation, the site was congested and subject to a very tight installation timeline. The buildings were high, with several angles and direction changes on the sides. Brownbuilt underslung sheeting in long lengths tapered with the angles. Concealed-fix flashings were specified by the architects. Exceptional cladding
About Chromadek Chromadek® is produced with a minimum zinc coating of Z200 and Chromadek Ultim® in Z275. The product’s top coat paint system has been specifically developed for the harsh African sun (UV environment) and ongoing paint development has led to four heat reflective Chromadek® and Chromadek Ultim® colours. The product’s contribution towards green building is a significant aspect. What differentiates Chromadek® as a colour coated roofing solution is the elimination of the chrome content in both the pre-treatment and primer coatings that are applied. Hence there is less demand on the water resource required during the manufacturing process. The top coat and backing coats applied are also chrome free. The product naturally lends itself to sustainable manufacturing through a lower effluent generating process when producing the preferred colour coated roofing solution. ‘In doing so every coil of Chromadek® for roofing and cladding produced by ArcelorMittal South Africa is committed to making a sustainable difference”, promises the manufacturer. Chromadek® also offers the following advantages: • Improved edge protection. • Less prone to formability cracking that could lead to corrosion problems. • All Chromadek® and Chromadek Ultim® material is branded on the back of the sheet. • Chromadek® is the registered trademark for the range of organic coated steels manufactured solely by ArcelorMittal South Africa. • By specifying the brand, the purchaser can be certain that product has been comprehensively tested and evaluated with full technical back-up.
www.sabuildingreview.co.za
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Project: New Headquarters for Statistics SA
The product’s contribution towards green building is a significant aspect.
This was a difficult application, made simpler when the main contractor assisted with cranes and special scaffolding. Once in place, the installation process was made easier by the application of specially designed clip-on flashings. ‘What makes this project special is that all
roof sheeting, side cladding and soffit sheeting is concealed-fix sheeting. Most flashings were concealed-fix and designed to hide fasteners. The most impressive technical aspect of this project is the underslung Brownbuilt profiled sheeting and special flashings’, says Jeffrey.
Stats SA Building: A judge’s opinion ‘Over and above its aesthetic appeal is the innovative use of metal side cladding on a commercial building, which is most unusual these days. It’s also unusual and interesting because on this state-of-the-art modern building, we have a profile used that dates to the 1960s. Another thing that impressed me was the incredible quality of the workmanship. In this type of an application you really must pay attention to the detail, or the cladding will look tacky very quickly,” says Dennis White, of SAMCRA, one of the judges.
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‘Incredible quality of workmanship’ – Dennis White
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Chromadek® W www.chromadek.com GLOBAL ROOFING SOLUTIONS W www.globalroofs.co.za
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Project: New Engineering Building, University of Cape Town
A bold step towards modernising In a time of changing education in South Africa the architectural updates to the engineering buildings at the University of Cape Town (UCT) signify a bold step towards upgrading and modernising the aging university facilities. Designed by SAOTA, this innovative architectural design solution delivers a contemporary complex facility in an environment which is steeped in both history and tradition, as well as rapid transformation. The university is currently engaged in an extensive development and transformation programme, which given its size and rapid growth, demanded serious financial, special and implementation considerations. The two buildings that were redesigned are the New Engineering Building (NEB) and adjacent Teaching and Learning Building (TLB) which are located on the south-western edge of UCT’s historic Upper Campus. Two of Cape Town’s prominent mountain peaks, Devil’s Peak and McClear’s Beacon, are prominent features towards the west, with the campus and city towards the east and False Bay towards the south. Upper Campus building vocabulary and proportions underlie the architecture, but are reinterpreted and
PROJECT DETAILS Project: New Engineering Building UCT Location: Cape Town, South Africa Architects: SAOTA Project team: Phillippe Fouché, Stefan Antoni and Michael Wentworth Completion date: 2014 www.saota.com
expressed in a more contemporary way. Inspired by the mountains behind, and the tectonic movement that created them, the external walls are expressed as heavy plates that delaminate towards the south. This opens the internal spaces towards the mountain views, allowing new connections to be made to the campus
Photos by Adam Letch
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Photos by Adam Letch
Project: New Engineering Building, University of Cape Town
fabric and landscape. The prevalent UCT hipped, tiled roof is deconstructed and expressed as planes that float over the traditionally rendered walls. The accommodation addresses the needs of office, teaching, lecturing and laboratory space, equipment and service space, as well as a dedicated level for advanced post-graduate research. Pedestrian linkages into the precinct are promoted by cascading steps along the south edge which flows into smaller landscaped terraces where students can relax or study between lectures. A new landscaped pathway along the western edge allows safe and easy access to the bus stops and the parking areas to the west. The primary student movement axis from the Chemical Engineering Building is continued through the precinct and links students to the southern parts of the campus. Departments are arranged around this southernlit atrium and a prominent east-west break in the building which allows views to the mountain. The lower atrium and adjacent courtyard are activated by the Social Learning space on the entrance
level that overlooks the activities in the new Civil Engineering Laboratories below. The exterior finishes include the obligatory university plaster and Italian clay roof tiles. The perforated aluminium screens introduce colour to the facades that relate to the ivy that is prevalent on the campus. Internally the expression of the architecture is softer and lighter. Curved off shutter concrete balustrades accentuate the atrium that enlarges towards the south-facing skylights. Shading devices and high-performance glass limit solar heat gain and glare in the extensive east and west facades, while allowing maximum light into the spaces. Energy efficient light fittings, occupancy detection and light sensors further ensure efficiency in the lighting system. Rainwater is collected and used for flushing the toilets while low-flow fittings and water-wise landscaping limit the use of potable water. Energy modelling and analysis show that the building will use approximately 40 to 50% less energy than a notional building designed in accordance with SANS 204.
SAOTA T +27 (0)21 468 4400 E info@saota.com
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Editorial: Waste in the Brick Manufacturing Industry
Reducing the impact of waste in the brick making industry South African brick entrepreneurs are always looking for energy-efficient firing methods to carry out their day-to-day activities. A solution needs to be developed taking into consideration the environmental regulations, increasing coal costs, and shrinking profits. Langkloof Bricks in Jeffrey’s Bay currently burns waste tyres at 1200°C to dry clay bricks. The bricks are fired with coal afterwards in Vertical Shaft Brick Kilns (VSBKs). Langkloof Bricks currently receive about 25 000 waste tyres from the Recycling and Economic Initiative of South Africa (REDISA) every month. REDISA supplies the tyres at no cost to Langkloof Bricks which is paid a subsidy for every ton used. The company currently uses VSBK technology which uses hot exhaust gasses for the gradual preheating of the unfired bricks in a continuous process. This reduces energy consumption and CO2 emissions by up to 50% compared to the more commonly-used clamp kilns. According to the International Energy Agency’s 2015 report, the construction industry is responsible for 23% of the country’s greenhouse gas emissions (GHGs), with clay bricks predominantly still being fired in energy-inefficient and highly-polluting clamp kilns.
Committed to reducing environmental impact
Langkloof Bricks is committed to reducing their environmental impact. In 2015 they were recognised for their work and dedication to minimising their environmental impact through environmental impact assessments and infrastructure development at REDISA’s inaugural Recognition Awards. The company currently employs 130 permanent staff and has the capacity to process over 40 million bricks a year. ‘At REDISA, when we talk about sustainability, we don’t only focus on reducing carbon emissions, we also think about our impact on other natural resources and how we can increase the life cycle of some of these resources. This is what drives our business and what we would like everyone to implement in their own businesses’, says Stacey Davison, director at REDISA. ‘Given that the world will be home to 5 billion middle class consumers within the next 20 years, natural resources are being placed under increasing stress
Nico Blake, Executive Director of Langkloof Bricks who won the Environmental Impact Award, with REDISA Director, Charlie Kirk.
to meet housing, product and lifestyle demands. To reduce this pressure, REDISA has realised that waste should be looked at differently - not as waste but as something with value,’ says Davidson. Nico Blake, Executive Director at Langkloof Bricks believes the VSBK technology has fundamentally improved the way many clay brick manufacturers think about production, from an economic, social and environmental perspective. ‘We also see this as an opportunity to continue to minimise our impact on the environment by reducing and transforming waste into a resource, in addition to contributing towards energy efficiency, air quality and climate change through the successful implementation of our technology,’ he says.
Langkloof Bricks T +27 (0)42 291 0418 F +27 (0)42 295 1257 E nico@langkloofbricks.co.za W www.langkloofbricks.co.za
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Project: Springs Mall
Springs Mall This state of the art eco-friendly mall was designed by MDS Architecture to serve as a landmark in the Ekurhuleni Metro Springs Regions, east of Gauteng. It’s location on the N17 highway and the R51/Wit Rd intersection is perfect for easy access from all directions. To help the power supply to the mall, the developers and designers have investigated the installation of solar sources to supplement the municipal electricity supply and curb load shedding. The design team has also incorporated other green building interventions, such as the use of natural lighting, to achieve this.
P&D Fenestration (Pty) Ltd was appointed as a preferred sub-contractor to undertake the manufacturing and installation of all the entrance facades, as well as the larger part of the internal shopfront installations. The challenge was to come up with a cost-efficient curtain wall design that was tailor-made for each of the four entrances.
Entrance 2
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Project: Springs Mall
Entrance 4
Throughout the design stages the ‘green effect’ had to be incorporated. Sheerline Solutions’ project team played a significant role in the procurement, powder coating and supply of two types of their curtainwall ‘sticksystems’ that were chosen for the entrances. In conjunction with our Façade Engineer and Sheerline, we’ve managed to produce two very impressive pressure glazed systems for entrances 2 and 3. The decision was then made to use two flush-glazed systems on entrances 1 and 4, with entrance 4 being the more predominant entrance.
Curved curtain wall contributes to cost savings
Entrance 4 was designed as a full height external curved curtain wall that merged with another internal curved curtain wall to form the wind lobby. The integration of the two curtain walls created a complicated challenge that was well met and resolved by our technical team and contracts division. This type of design created the opportunity to do away with automatic entrance doors to the external
P&D Fenestration T +27 (0)11 760 2847 F +27 (0)11 760 1901
www.sabuildingreview.co.za
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part of the façade and therefore contribute to a significant cost saving in the bigger picture. Installation on the entrances commenced in August 2016 and P&D Fenestration had to deal with the complete exercise of setting out and constructing the sub-structures to support the curtain walls. This was followed by precision installations of each aluminium curtain wall structure and the proper glazing of each. Each flush glazed panel was carefully manufactured in our factory and all the glass panels were secured with a quick curing two-part silicone sealant due to the time restraints of the project. The application of this type of flush-glazing was achieved by using our own two-part silicone pumps instead of outsourcing it to other companies. The entrance facades were completed in December 2016, with the rest of the internal installations to continue into early 2017. The internal shopfront installations are currently in full swing and are scheduled to meet the occupation dates. The mall is scheduled to open before Easter 2017. P&D Fenestration (Pty) Ltd was honoured to be associated with the design and installation of the entrance facades, as well as the internal shopfronts on this project.
Integrity
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Project: Wits Health Sciences Library Foyer
Wits Health Sciences Library Foyer – a blend of a bygone era and a library of the future Libraries around the world are changing due to the advent of e-resources. The need for physical books as a primary resource for libraries is diminishing and libraries as we know them are re-inventing themselves into dynamic media-centric technology hubs. At the University of the Witwatersrand the Wits Health Science Library is at the forefront of this re-invention. Their shrinking requirement for book storage spaces within the library has meant that leftover spaces have started to fill with new functions like e-learning classrooms and group work spaces. In 2013 the head librarian identified that the reception foyer in the library needed a re-invention to keep in line with this evolution. Shortly after, AOJ was appointed by the university to redesign this space and ensure the execution of the work was of the highest standards. The design commenced with the identification of the spaces required within the new foyer and the mapping of movement through the foyer into the other library spaces beyond it. These spaces include two break-away lounge spaces and a re-imagined reception counter designed to focus on access and use of the library’s e-resources more than the issuing and returning of physical books. In addition to being lounge spaces, the two breakaway spaces were designed to accommodate an existing collection of books and artworks (paintings and sculptures) donated to the library. Once the mapping of movement through the foyer was completed, an aesthetic for the space was needed. Many options were considered and the one that was finally selected was a mixture of a walnut timber, reminiscent of grandiose timber panelled libraries of bygone eras, and lines of bright yellow and brilliant white which hint towards a library of the future. The final space was completed at the beginning of October 2015 and has already been well received by library users. Daily students can be seen with laptops and tablets sitting in comfort on the leather upholstered built-in seating within the breakaway spaces, conducting group work or individual study.
AOJ T +27 (0)11 974 9584 E studio@architectsofjustice.com W www.architectsofjustice.com
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‘YOU DO HAVE A CHOICE FOR WORKMAN’S COMPENSATION IF YOU ARE IN BUILDING AND CONSTRUCTION.’
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Project: Waterfall City - Mall of Africa & Allandale Building
The Mall of Africa sets a new standard in regional shopping
Waterfall features at the Mall of Africa as seen from Waterfall Park
Schneider created a unique workspace in their contemporary offices
Spatial design in the Schneider offices introduces fun into the workplace
Great urbanism in the making Attacq’s new integrated lifestyle city in the heart of Africa’s business hub, Gauteng, is rapidly taking shape and becoming the favourite prestigious business destination for corporate consolidation. Waterfall City is a superior mixed use asset, developed as an integrated new lifestyle city destination that works – a true modern world-class mixed use city in the making. Waterfall and its CBD, Waterfall City, have already attracted a diverse tenant base and presents a variety of business opportunities to facilitate office, commercial, retail and light industrial use.
Waterfall City is rapidly becoming the new Gauteng retail and office destination of choice ‘Waterfall is the jewel in the Attacq property crown and is a catalyst for regional growth. We are very positive about the way ahead. Following the catalytic momentum created by the opening of the Mall of Africa, Waterfall City is rapidly becoming the favoured destination for beneficial corporate consolidation,’ says Morné Wilken, CEO of Attacq.
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‘Based on research by Urban Studies, the projected growth in office space is expected to be almost 30% per annum until 2020.’’
Mall of Africa – live, work and play Mall of Africa establishes Waterfall City further as an exciting and attractive destination where people will be able to live work and play. Blue chip tenants have and continue to be attracted to Waterfall City. As part of the Waterfall City development, a new residential development within the city will follow soon. This will all have positive financial returns which will influence the Attacq share price positively and give Attacq a development pipeline for the next 10 to 15 years. ‘The scale of and variety at the Mall of Africa brings significant shoppers’ choice acting as a draw card, which in turn makes it attractive for leading retailers’ local and international brands, to secure space in the mall. The size caters for significant footfall, making it attractive for tenants. The development was done
www.sabuildingreview.co.za
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Project: Waterfall City - Mall of Africa & Allandale Building
The Mall of Africa is the continent’s largest single-phase regional retail development
Spacious contemporary design sets the Mall of Africa apart
The Allandale building created the ideal space for unconventional office design and many quirky features for the Schneider Electric offices
based on very sound prior demographic studies, investigation and forecast of an acceptable yield,” explains Wilken. ‘The Mall of Africa will act as a catalyst for economic activity in the area with a potential turnover in the region of R4 billion annually for the retailers. During development, a significant number of site and related jobs were created and going forward more than 4 500 direct and indirect permanent employment opportunities,” says Wilken.
The right retail mall in the right area Wilken goes on to explain that property is a long-term asset, especially when developing the right retail mall in the right catchment area. ‘Attacq’s strategy is based on long-term sustainable capital growth. The market will go through cycles and given Attacq’s long-term view, it still makes sense to develop an asset like Mall of Africa. We are committed to the future of Gauteng as the economic hub of the continent and to adding value to the future of South Africa. We want to be part of the solution,’ he says. There are several brands that had their South African debut at the Mall of Africa, such as Starbucks and Zara Home, and many stores rolled out new concept stores including Woolworths and Mr Price Weekend. ‘Apart from very attractive and leading retail brands, the mall is also a lifestyle destination where added facilities like Waterfall Park (central park of 1,3 ha in
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the middle of the City) attracts the entire family to the mall,’ Wilken adds.
Allandale building sets a new contemporary standard for workspaces Many well respected corporate brands are consolidating in Waterfall City with its central location and superior access infrastructure. Attacq most recently welcomed Schneider Electric South Africa, Wisetech Global and Trans Africa Projects to their new offices in Waterfall City. The design of the Allandale building and office interiors set a new contemporary standard for workspaces in Gauteng’s rapidly growing new city. ‘Tighter economic realities call for corporate consolidation. Companies can reap real significant benefit from consolidation to Waterfall City, through reduction of rented space, use of green technologies, culture gains and having a more efficient workforce all located centrally in the province,’ says Wilken. Waterfall City is starting to sell itself, as people see all that is happening around the Mall of Africa, the 1.3ha central Waterfall Park and the commercial development in the area. ‘Attacq, as the leading visionary and regional business force, is proud to invest in, develop and grow Waterfall and Waterfall City as a world class destination,’ says Wilken. ‘The Allandale building comprises of three
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Project: Waterfall City - Mall of Africa & Allandale Building
Above: Waterfall Park is situated adjacent to the Mall of Arica and provides the ideal venue for large milestone events and public festivals Below: The flow of natural light into the 131,038m2 Mall of Africa adds to the feel of space
More about The Mall of Africa • 131 038 m² in floor space • Convenient location with easy access from the N1 Allandale interchange • The mall will boast experience features like a huge food court that will lead onto central landscaped lawns three times the size of a rugby field with an impressive interactive water organ as one of its many attractions • Delivery and servicing access will not interfere with any shopping access as it is all located underground • Dedicated drop-off zones for easy shopper access and public transport holding facility • 26 access points, 303 outlets (269 shops + 34 kiosks) and ±6 800 parking bays • Planned now for future expansion ±25 000 m² • Designated identifiable court areas enable easy shopper navigation through the mall with its many natural light features and spacious circulation layout Waterfall Park is situated adjacent to the Mall of Arica and provides the ideal venue for large milestone events and public festivals
basement levels of parking and four office levels above ground. The design makes use of landscaped berms and grand staircases to take up the substantial slope across the site. The result is that the building starts to merge with (and emerge from) its site,’ says architect, Luke Chandler of the Aevitas Group.
Environmental sustainability a priority In line with international new urbanism standards, environmental sustainability is a priority in the development. ‘Waterfall City is developed as a true lifestyle urban space where people can enjoy a balanced lifestyle in a pleasant urban development setting that takes both people’s needs and that of the environment into account. This philosophy reached beyond pure environmentally sensitive construction but is embedded in the total holistic urban design,’ says Wilken. The Allandale building enjoys four major access points for pedestrians; one on each of its boundaries.
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It also ties in with defined pedestrian routes and bus stops as dictated by the overall master plan of Waterfall City. The architecture of the Allandale building is clearly contemporary and unique. The large rectilinear, cantilevering aluminium portal frames of the northern perimeter contrast with a curving glass facade along the southern perimeter. These two wings are tied together with floating bridges inside a huge open atrium that is activated by pause areas. These organically-shaped pause areas provide interesting and dramatic views from various points and heights within the overall volume. ‘With approximately 15,000m2 of lettable area, the Allandale building houses Schneider Electric South Africa along its northern wing, Trans Africa Projects along its southern wing and Wisetech Global on the top floor. The northern and southern wings are connected by a grand, fully enclosed, quadruplevolume atrium which serves as one of the main features of the building,’ explains Chandler.
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Project: Waterfall City - Mall of Africa & Allandale Building
New headquarters for Schneider Electric a ‘Cool Site’ ‘Affectionately named the Rainbow Hive, our new headquarter is the latest addition to Schneider Electric’s Cool Sites programme. This focuses on designing workplaces that are attractive, inspiring and energising for employees, enabling better employee collaboration and engagement, while improving productivity and motivation and thereby increasing employee satisfaction levels. For us, a happy employee translates into a happy customer and this starts with creating a work environment that is conducive to this’, says Eric Leger, Country President of Schneider Electric South Africa. ‘Innovation was key in creating the interior, using Schneider Electric’s latest technology in the building and products that support the proudly South African initiative, reclaimed objects and materials aligned with the brief and budget,’ explains Leger.
‘Based on the diverse brief, the i4c team created an environment that takes the staff and visitors on a journey. With Schneider Electric being an international company, Ian Purse of i4c initiated a ‘theme of travelling’ throughout the interior,’ says Catherine Groves, project executive of i4c, the firm appointed by Schneider Electric as the interior design company to complete the space planning, design and project management for their new Head Office facility in Waterfall City. ‘A complete energy model of the building was completed which analysed thermal loads on the building and the facades have been designed to be a combination of single and double-glazing,’ says Chandler. Attacq adopted urban design principles for all its developments at Waterfall to guide the development of new buildings in line with international best practice. Many of the buildings in Waterfall City are sterling examples of environmentally and sustainable designed projects.
The unconventional design of the Schneider offices in the Allandale building allows for an excellent flow between levels, creating one integrated workspace across the entire space
More about Attacq • Attacq is a leading capital growth real estate company in the real estate sector, founded in 2005, which acquired the Waterfall development rights in 2008. Attacq listed on the Johannesburg Stock Exchange in 2013. • Attacq has a total asset value of more than R27.6 billion with R5.9billion of this value held in international market investments. Attacq has a market capitalisation of more than R15 billion. • Attacq has a diverse investment portfolio that includes landmark commercial and retail property investments and developments. Waterfall is the jewel in the African crown. Attacq also benefits from ongoing diversification into developed markets and this has stood the company in very good stead to date. • Mall of Africa (80% Attacq-owned) opened in April 2016, as the largest first phase mall development on the continent and a benchmark retail destination located in Waterfall City.
Attacq T +27 (0)87 845 1136 W www.attacq.co.za
www.sabuildingreview.co.za
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Photo by 4 Stan Road: Mike Pawley
Green Building: 4 Stan Road
4 Stan Road – a testament to ‘green’ architecture The 4 Stan Road development is a new boutique 5227m2 office development in the heart of Sandton. The building has two distinct external facades: the west façade facing Stan Road, appearing as a solid wall made up of huge, full height fins with thin slivers of south-facing glazing between them, whereas the north façade with expansive views towards Bryanston is a shaded, fully glazed unitised performance façade. Above-ground parking is provided by a podium created five floors above the street with a landscaped deck onto which the 4-storey offices looks. This deck creates a sanctuary for the users to break away and enables the office building to stand back from the boundary. The offices are in a loosely triangular shape, providing north-light and avoiding the sense of being crowded by the surrounding buildings. Cyclist facilities have been provided for both building occupants and visitors, including 23 bicycle storage spaces, 20 lockers and two showers. The building owner has undertaken that after practical completion, all the building services will go through a tuning process for a minimum of 12 months.
This will include monthly monitoring, quarterly reviews and reporting and a full re-commissioning service to ensure that the building performs in accordance with the design once the tenants have moved in. Sub-metering of both water and energy is provided for. These are connected to an automated system which will enable easier collecting, monitoring and recording, as well as alerts to irregular trends in consumption. The development received a 4 Star Green Star SA - Office v1 As Built certification in June 2016. The project’s submission was also recognised as the Best Quality submission in the Green Star Leadership Awards at the GBCSA’s annual convention in July 2016 and the accredited professional who worked on the project, Dash Coville of Solid Green Consulting, was awarded the Rising Green Star in the same awards. The building owner, Shamane Investments, and the architects, MDS Architecture, were also instrumental in and committed to the sustainability journey that this development underwent.
Green Building Council T +27 (0)86 104 2272 (Cape Town) T +27 (0)11 339 1152 (Johannesburg) E info@gbcsa.org.za
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Advertorial: Rentokil Initial
What are termites, how to spot them and how to control the damage they do Termite damage can run into millions of rands as they steadily eat away at the structure of a building for years without any obvious signs to alert one to the damage they are causing. Termites are a species of wood-boring insects, attacking the timber in a property, weakening the building structure. Even properties built primarily of brick or stone can still suffer from termite damage because structural supports, as well as other building components, are constructed of timber and other cellulose-based materials; the substances on which termites like to feed. A termite infestation in the timber on a property can be hard to spot as termites live underground and eat away at the timber from the inside. Untreated termite damage can cause a building to become structurally unstable, so it’s no wonder that termite damage is so costly and that termite control is so important.
The first step: Termite protection systems The first step in protecting a new property from these relentless pests is to consider the use of a pre-construction termite protection system. This is a termite control treatment service whereby termiticide is applied to the soil during the construction phase of the building to prevent termites. For existing properties, preventative measures such as a chemical termite barrier can provide a ‘safety bubble’. A chemical termite barrier involves applying a liquid chemical to the soil, either under concrete flooring or around the entire perimeter of the building’s foundations. Rentokil termite control technicians are trained to create an effective barrier with the minimum disruption to the premises and its surroundings. A chemical barrier, which can be implemented at any time, is suitable for most properties to protect against termite infestations. The life expectancy of a chemical barrier can be guaranteed for five years.
Every termite situation is different, so choosing the right type of termite chemical barrier is important, as is using the correct chemicals. The chemicals used by Rentokil are registered and tested by the SABS (South African Bureau of Standards) and are applied in line with product specifications, as well as the SANS, to circumvent any negative effects to the environment.
The second step: Know what to look for The second step is to know what to look for. Many people confuse termites with ants, with termites sometimes being called ‘white ants’ or ‘flying ant’. The prominent earth mounds in the South African countryside are caused by termites, not ants, and termite workers can be both male and female. Property owners and managers should be on the lookout for the following signs of a termite infestation: • termite swarms • mud tubes, and • piles of discarded wings (after the termites swarm, typically during warm spring days, they can shed their wings and leave piles of them behind). Termites need two things to survive: wood and moisture, so minimising access to these is a good start in protecting a property. At Rentokil, our experts often hear the following from property owners: ‘I don’t see any signs of termites, so do I need to worry about a preventive plan?’ Rentokil’s response to this is that the warning signs can be subtle and often go unnoticed until structural damage has already occurred. Don’t take the risk; call Rentokil today on 0800 77 77 88 for a free survey.
Rentokil Initial T +27 (0)21 670 4700 T +27 (0)80 077 7788 W www.rentokil-initial.co.za, www.rentokil.co.za
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Advertorial: MiTek
A profile of success The successful construction of any building, commercial or residential, relies on the quality of its essential elements – foundations, walls, wiring, plumbing, and, of course, the roof. MiTek Industries South Africa (Pty) Ltd is a full system supplier to the prefabricated timber and steel roof truss industry. About MiTek
MiTek Industries South Africa is a division of the St Louis, Missouri-based international MiTek group that is owned by legendary investor, Warren Buffet, and is part of the international conglomerate, Berkshire Hathaway Incorporated. For over forty years, the vast majority of South African roofs have used the tried and tested system of prefabricated timber roof trusses, manufactured with the company’s renowned MiTek M20 nail plate connectors. MiTek is the leading roof truss system supplier in South Africa, serving over 160 roof truss manufacturers (fabricators) country wide, and over 800 hardware and DIY markets that are supplied with all eCo builder’s products featured in its comprehensive brochure. This range contains the most complete timber to timber, timber to steel, and timber to masonry, as well as steel to steel, and steel to masonry connection brackets. Additionally, the marketing arm of the company meets with building professionals (architects, quantity surveyors, engineers and property developers) to provide them with feasibility design drawings, bill of quantities, full documentation and competitive prices. MiTek South Africa is headquartered in Midrand, Gauteng. From this location it manufactures connector plates, builder’s products and roll-form products for the South African market, as well as exporting to over 20 African countries. A joint venture was set up in Kenya to distribute to East African countries. The company’s offices in Midrand, Cape Town, Durban and Port Elizabeth are strategically located to serve customers and house its customer support teams, design services and machinery specialists.
Solutions for systems
The recently introduced Ultra-Span lightweight steel roof truss, now offers South Africans remarkable versatility in the search for affordable roofing solutions. MiTek offers the combined expertise of GangNail, Hydro-Nail, eCo fasteners and the lightweight steel Ultra-Span roof truss system, as well as the best software design, detail and costing packages available, providing the most comprehensive suite of programmes available internationally. A network of licensed prefabricated timber and steel roof truss fabricators across South Africa brings MiTek quality and technology to your doorstep, providing you with international levels of service and expertise locally, and offering and maintaining a sustainable, competitive advantage.
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‘We are proud of our reputation as the best in the business – a reputation that is built on years of working closely with our customers,’ says Uwe Schlüter, the company’s General manager for Ultra-Span (LGS structures).
The soft end
While one might be excused for thinking heavy metal and engineering hardware when considering MiTek’s market, one of the company’s strengths lies in the creation and evolution of custom design software. Indeed, software is at the heart of the MiTek’s product offering. The company’s software products drive the machinery used to manufacture building components, specify connectors or profiles in roof truss design, and provide design services with the competitive advantage to excel in component design.
Software packages designed and brought to the market by MiTek include: • B usiness management systems with costing, stock control and production management • Truss design • Trigonometry • Beam designs • Training • Computer draughting • Layouts • Bill of quantities • Manufacturing detailing • Erection and bracing detail systems In short, the company provides everything necessary, including manufacturing equipment, for the fabricator’s business. MiTek’s software is a complete package that includes MBA, a business application to run and control the production of roof structures, as well as graphical input, structural designs, drawing packages and a facility to quote on all materials and sundries. This provides fabricators with the means to accurately and timeously tender for contracts. All MiTek software systems are Windows based, easy to use, and give an immediate competitive advantage to customers that use these systems. Comprehensive SETA-approved training is provided on all MiTek’s modules.
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Photo credit: MiTek
Advertorial: MiTek
Ultra-Span (LGS) project - Mediclinic Midstream
Over 105 software programmers work around the clock, enhancing, improving and modifying MiTek software. These programmers, based in the US, European, South African and Australian offices, provide the most experienced expertise for any engineering solution, ensuring that MiTek customers stay at the leading edge of technological development.
Compliance to standards and quality
All products and material used in the construction of either timber or steel MiTek roof truss systems comply with the relevant local codes of practice and the relevant recommendations of the US, European and Australian Building Codes. MiTek is constantly seeking to improve its own existing high standards. Its staff represent the industry at SABS, SASFA, ECSA, ITC, and numerous other organisations, placing a high priority on seeking more effective methodologies. As the only full system supplier that manufactures its own nail plates, truss hardware and LGS profiles –MiTek Industries South Africa are the proud recipient of DEKRA’s international
recognition for commitment to excellence by holding the ISO 9001:2008 certification.
Builders’ hardware and the role of R&D
An essential component of completed timber or steel roof structures is builder’s hardware. MiTek’s R&D department is part of an international R&D group that meets regularly to discuss new products, enhancements to existing products, and trends in the roofing business with regard to new and existing products. This has led to the creation of many specially-designed and patented brackets for any type of timber to timber or steel connection. All MiTek and eCo fasteners have been tested and approved by independent testing authorities for performance and load capacities, which is the building owner’s guarantee of long-term stability for roof structures. MiTek leads the world in R&D. Full-scale load testing on truss designs is carried out to better understand truss behaviour and calibration of designs against allowable stress and limit state design codes. It is noteworthy that MiTek South Africa has the only trusstesting rig in southern Africa.
LIGHT GAUGE STEEL
MiTek Industries SA (Pty) Ltd T +27 (0)11 237 8700 E uwe.schluter@mitek.co.za W www.mitek.co.za
The low mass per m2 (between 2-10kg) of this roofing system ensures both savings on the supporting structure as well as on transportation and erection costs whilst also being vermin proof and non-combustible. Large sections of the roof can simply be pre-assembled on the ground and hoisted into position on the walls – making this one of the most viable systems with a large range of applications up to a clear span of 40m. Supported through a substantial network of licensed truss suppliers, Ultra-Span is equally ideal for all local and export applications where it can be pre-assembled or site assembled.
creating the advantage
The non-combustible solution. MiTek Park,754 16th Road, Randjespark, Ext. 34, Halfway House,1685. Midrand (Head Office) Tel: + 27(0) 11 237 8700 Cape Town Tel: 021 905 0244 • Durban Tel: 031 700 6332 • Port Elizabeth Tel: 041 581 7525 email: marketing@mitek.co.za • www.mii.com/southafrica
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*MiTek
Industries South Africa (Pty)Ltd, a division of the worldwide MiTek Group.
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Product Catalogue: MiTek
Timber Truss
Prefabricated timber roof trusses
STRONG TIMBER CONNECTION MiTek Industries* is the leading Roof Truss System supplier in South Africa and the world. No need to go anywhere else! We are the world leaders in the industry, with 9 Engineers totalling 170 years’ experience (combined), we are also ISO 9001 accredited and backed with an international P.I.Insurance. We also offer full size prototype truss testing as an alternative truss design method. With a network of over 190 licensed truss manufacturers utilizing MiTek’s state-ofthe-art software we can provide a competitive and economic solution to even the most complex of roofs. With all our products and designs warranted, we offer total peace of mind.
creating the advantage
Inventors of the Nail-Plate System (Gang-Nail) 1956. MiTek Park,754 16th Road, Randjespark, Ext. 34, Halfway House,1685. Midrand (Head Office) Tel: + 27(0) 11 237 8700 Cape Town Tel: 021 905 0244 • Durban Tel: 031 700 6332 • Port Elizabeth Tel: 041 581 7525 email: marketing@mitek.co.za • www.mii.com/southafrica *MiTek
Industries South Africa (Pty)Ltd, a division of the worldwide MiTek Group.
eCo Fastener
MAKING THE RIGHT MAKING THE CONNECTION. RIGHT CONNECTION eCo Fasteners® are timber and steel fastening devices that provide strong and rigid connections to any building structure in which they are applied. The use of the appropriate fastener in the correct manner not only ensures strong connections, but also the structural integrity of the building. 100% compatible with Ulta-Span®, our light guage steel truss system, eCo Fasteners® are uniquely designed, durable, easy to use, load tested and marked for their respective applications. Thereby providing full compliance with CPA requirements. Accompanied by technical specifications and backup support from our dedicated teams of experienced professional engineers, DIY users and building professionals will find these fasteners offer multiple solutions and produce the safest connections of any building system.
creating the advantage
eCo Fasteners® are setting the benchmark in timber and steel construction. MiTek Park,754 16th Road, Randjespark, Ext. 34, Halfway House,1685. Midrand (Head Office) Tel: + 27(0) 11 237 8700 • Cape Town Tel: 021 905 0244 • Durban Tel: 031 700 6332 • Port Elizabeth Tel: 041 581 7525 email: marketing@mitek.co.za • www.mii.com/southafrica *MiTek
Industries South Africa (Pty)Ltd, a division of the worldwide MiTek Group.
Ultra-Span (LGS) Truss
LIGHT GAUGE STEEL The low mass per m2 (between 2-10kg) of this roofing system ensures both savings on the supporting structure as well as on transportation and erection costs whilst also being vermin proof and non-combustible. Large sections of the roof can simply be pre-assembled on the ground and hoisted into position on the walls – making this one of the most viable systems with a large range of applications up to a clear span of 40m. Supported through a substantial network of licensed truss suppliers, Ultra-Span is equally ideal for all local and export applications where it can be pre-assembled or site assembled.
creating the advantage
The non-combustible solution. MiTek Park,754 16th Road, Randjespark, Ext. 34, Halfway House,1685. Midrand (Head Office) Tel: + 27(0) 11 237 8700 Cape Town Tel: 021 905 0244 • Durban Tel: 031 700 6332 • Port Elizabeth Tel: 041 581 7525 email: marketing@mitek.co.za • www.mii.com/southafrica *MiTek
Industries South Africa (Pty)Ltd, a division of the worldwide MiTek Group.
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Product Catalogue: MiTek
eCo Purlin
eCo Purlin is a steel hat channel purlin for use on both timber and steel trusses. With dimensions of 76mm x 40mm, it is manufactured from galvanized steel. The advantages are numerous, easy splicing, compact stacking and due to it’s light weight nature it is economical to transport and easy to handle on site.
eCo Purlin
eCo Batten
eCo Batten
eCo Batten is a steel hat channel batten for use on both timber and steel trusses. With dimensions of 38mm x 19mm it is manufactured from galvanized steel. The advantages are numerous, easy splicing, easy to handle e.g. a bundle of 10 battens is the same size as one 38x38mm timber batten.
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Product Catalogue: MiTek
eCo Gryptite Site Plates
eCo Gryptite connector plates are designed for the production of on-site timber to timber connections. The application of the plate is simple and requires no more skill than the positioning of the plate and hammering home of the teeth. Our CAD facility provides an accurate design for the use of the eCo Gryptite plate in the use of manufacturing timber trusses. eCo Gryptite plates are suitable for a wide range of applications in timber joinery such as site splicing. *Please note that an engineered deign is required to manufacture timber trusses with eCo Gryptite plates.
eCo Bracing Straps
eCo Bracing Straps is a perforated galvanized steel strip 25 x 1.0mm which is used extensively for cross bracing frames or bracing roof trusses during erection. The staggered perforations simplify fixing and prevents splitting of the timber while nailing. Tensioners are used with bracing strap to achieve maximum tension after fixing. They are easily fitted and require no special tools.
eCo Wall Tie
The MiTek Wall Tie is a specific perforated galvanized steel strip 32 x 1.2mm supplied in 18m coils and designed to resist wind uplift of medium to larger sheeted roofs.
We have produced the following tables based on Type B (Category 2) wind loads:
1
2 strands 2.4mm wire
2
MiTek 25mm bracing strap
3
32 x 1.2 MiTek Eco Wall Tie
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Double 32 x 1.2 MiTek Eco Wall Tie
0
Rational Design required
Holding down requirements for different spans (sheeted roof coastal – Category 2)
Span
6
7
8
9
10
12
15
10
3
3
3
4
4
0
0
12.5
2
3
3
3
4
4
0
15
2
2
3
3
3
3
4
17.5
2
2
2
2
3
3
4
20
2
2
2
2
2
3
3
22.5
2
2
2
2
2
2
3
26
2
2
2
2
2
2
3
30
2
2
2
2
2
2
3
Pitch
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Product Catalogue: MiTek
LIGHT GAUGE STEEL low mass per m2 (between 2-10kg) of this roofing system ensures both savings MITEK IndustriesThe South AfricA on the supporting structure as well as on transportation and erection costs whilst also being vermin proof and non-combustible. Ext. 34, MiTek Park, 754 16th Road, Randjespark, Large sections of the roof can simply be pre-assembled on the ground and hoisted Halfway House,1685. into position on the walls – making this one of the most viable systems with a large range of applications up to a clear span of 40m. Midrand (Head Office) T +27 011 237 8700 Supported through substantial network of licensed truss suppliers, Ultra-Span is Cape Town T +27 021 905a0244 equally ideal for all local and export applications where it can be pre-assembled or Durban T +27 031 700 6332 site assembled. Port Elizabeth T +27 041 581 7525 The non-combustible solution. E marketing@mitek.co.za W www.mii.com/southafrica MiTek Park,754 16th Road, Randjespark, Ext. 34, Halfway House,1685. Midrand (Head Office) Tel: + 27(0) 11 237 8700
creating the advantage
Cape Town Tel: 021 905 0244 • Durban Tel: 031 700 6332 • Port Elizabeth Tel: 041 581 7525 email: marketing@mitek.co.za • www.mii.com/southafrica
*MiTek Industries South Africa (Pty)Ltd, a division of the MiTek Group. *MiTek Industries South Africa (Pty)Ltd, a division ofworldwide the worldwide MiTek Group.
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the go-to roof fabricator for your complex roof truss needs. Our strength lies in the dedication of a highly skilled and dynamic team. Our company has a reputation for providing innovative and practical solutions to our clients needs, and excellent service.
n Lightweight Steel Roofing Is your roof too large to be done in pre-fabricated timber or are you shipping roofs into Africa and paying dearly for transport? Maybe you wish to supply low-cost roofs or simply prefer non-combustible roof structures? Whatever you need Ultra-Span offers the solution
n Timber Roofing Our roof truss manufacturing plant has the capacity to produce timber roof trusses up to 22m long and 4,5m high in one piece
n Installations Installation and completion of light weight steel and timber roof trusses. With roof covering of your choice.
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Tel: 012 567 0255 Fax: 012 543 5906 Email: info@gianteng.co.za
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Green Building: The Atrium on 5th
The Atrium on 5th The Atrium on 5th boasts a total gross floor area of 29,557m2 and is the refurbishment of the existing Twin Towers office building located on the Sandton City shopping mall, within walking distance of the Gautrain station.
• Ensuring that more than 50% of the timber is specified to be Forestry Stewardship Council certified The building was awarded a 4 Star Green Star SA – Office v1 As Built certification in July 2016.
Photo by Atrium on 5th: MDS Architecture
The building, owned by the Liberty Group Limited and Pareto Limited, comprises 10 office floors above an entrance foyer connected to the banking mall of Sandton City. An 11-storey high atrium was incorporated into the foyer to create a new sense of place for the building whilst reducing energy loss through the façade. MDS Architecture, in association with MMA Architects, together with Aurecon SA’s sustainable building consultants, implemented the following noteworthy sustainable building features: • Reusing 90% of the original building structure • Replacing the original façade with a high performance double glazed curtain wall • Providing 60% of the office usable area with a view to the outdoors or into the atrium • Installing efficient air cooled chillers, including an ammonia chiller with zero Global Warming Potential • Introducing a dedicated façade air conditioning system for improved thermal comfort on the perimeter • Fitting energy efficient lighting and occupancy sensors throughout the office areas • Using water saving fittings and a fire water system that recirculates test water
Green Building Council T +27 (0)86 104 2272 (Cape Town) T +27 (0)11 339 1152 (Johannesburg) E info@gbcsa.org.za
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Advertorial: Saint-Gobain ISOVER Insulation Products
Insulation inspiration Saint-Gobain ISOVER is the global leader in manufacturing high performance insulation products for residential, commercial and industrial buildings.
The South African building regulations (SANS10400XA) prescribe that all new homes must have a certain level of insulation in their roofs to meet specific performance requirements based on certain climatic zones. Rising costs have also forced a need to conserve energy and reduce electricity usage. ISOVER manufactures thermal and acoustic insulation solutions that support the design of energy efficient construction, providing comfort for users while helping to protect the environment. With almost 60 years’ experience in the South African insulation market, we are recognised as the leader in sustainable insulation solutions. Our range of well-known insulation brands, such as Aerolite and Sagex, meet the technical requirements of the residential, non-residential and technical markets. Isover’s insulation can save 100 times the energy consumed and CO² emitted in their manufacture, transport and disposal processes. Saint-Gobain ISOVER manufactures insulation materials from glass wool, mineral wool and expanded polystyrene.
Glass wool insulation
Glass wool insulation products can be used in multiple areas of a building, but is most commonly known for insulation in ceilings of residential buildings.
We also offer products for application in drywall systems, HVAC and air-conditioning systems, pipe insulation, over purlin and commercial roof insulation, suspended ceilings, high temperature insulations and high performance soundproofing products.
Mineral wool
ULTIMATE products are non-combustible and cover the entire range of operating temperatures, from 300°C to 660°C required for industrial applications. It is typically used for insulation in large ducts, vessels, boilers, power generation, petro-chemical and industrial equipment, as well as larger curved surfaces or irregular shaped surfaces.
EPS insulation
EPS products are positioned for operating temperatures from -110°C to 70°C. The use of EPS for thermal insulation results in significant energy savings, drastically decreasing the emission of polluting gasses which contributes to reducing the greenhouse gas effect. With applications ranging from flat roofs to household appliances and even swimming pools and basement walls, EPS is a truly a highly versatile and economic insulation solution.
Isover is a proud division of Saint-Gobain Construction Products. A market leader in all its businesses, Saint-Gobain is constantly innovating to make homes more comfortable, cost-efficient and sustainable worldwide. Since 1665, Saint-Gobain has demonstrated its ability to invent products that improve quality of life. As one of the top 100 industrial groups in the world, Saint-Gobain continues to deploy its technological know-how, often in partnership with the most prestigious universities and laboratories.
Saint-Gobain ISOVER W www.isover.co.za
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Editorial: Roof Truss Technology
LCP Roofing recently capped the prestigious Reddford House School in Northcliff, Randburg.
LCP Roofing caps prestigious Reddford House School in Northcliff LCP Roofing, South African leader in roof truss technology, recently supplied and installed an impressive 8820m2 timber roof trusses of varying styles and configurations at the prestigious Reddford House School in Northcliff, Randburg. Located on the northern slopes of the Magaliesburg foothills and surrounded by established residential areas, the highly acclaimed Reddford House School enjoys easy access from the nearby N1 Western Bypass Highway. The site, which boasts all the amenities associated with the premium Reddford brand, is expansive and is home to two main buildings, including an Early Learning Centre and Junior/Senior Primary School, which are both accessed via a centralised gatehouse. The architectural design and layout of both the main buildings allow for optimal functioning and maximum usage of the space, and on arrival, the sheer size and aesthetics of the structures make an immediate and profound impact on the viewer.
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Exposed timber roof trusses add aesthetic appeal LCP Roofing was tasked with fabricating and erecting exposed timber feature trusses at the gatehouse, main building entrances, piazzas and the main hall. The client brief called for several exposed timber roof trusses in as many viable spaces in the buildings as possible. Even the walkways were to be exposed and supported by laminated pine beams at the eaves. While structural soundness was paramount, the aesthetic value of the project was a prominent consideration for the client. ‘At LCP Roofing we’re no strangers to supplying exposed timber roof trusses and are finding that this
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Editorial: Roof Truss Technology
trend is on the rise,’ says Paul Guassardo, LCP Roofing Sales Representative. ‘Exposed timber roof trusses are beautiful to look at and add a sense of elegance, grandeur and volume to a space, so it made sense that the brief called for extensive use of exposed timber roof trusses which reflect and pay homage to the values and ethos of the school.’ The architect, Michael Bishop of Century Property Developments, provided detailed sketches of the client’s requirements, to which the LCP Roofing team responded with precision, ingenuity and attention to detail. ‘There was certainly nothing small about this project and it represented an exciting challenge for our team to put our resources and expertise to the test,’ said Lyndsay Cotton, LCP Roofing General Manager. ‘Our highly competent design office turned the concept sketches into workable blueprints that allowed the aesthetic components of the project to push boundaries, all while maintaining the highest level of structural integrity, collectively making for an outstanding result.’
Quality, comfort and security
Stunning entrances leading on to double-volume piazzas and wide covered walkways framing a central playground, evoke a sense of quality, comfort and security, and the main hall, which is situated in the Junior/Senior Primary School building, is the proverbial jewel in the crown with its vast 19.5m-wide span, exposed modified scissor-with-top-hat trusses that draw and hold the eye upwards. ‘The trusses in the main hall proved to be quite challenging, not only from a design perspective, but
from a logistical point of view. With a pitch of 27 degrees over such a span, a one-piece truss with a continuous top and bottom chord would simply be too big to deliver,’ remarks Guassardo. ‘The solution was to fabricate the trusses in three sections instead of one, using two two-ply half modified scissor trusses and a separate one-ply top hat truss.”
Assembly of roof trusses a mammoth task
Once completed, the modified design, as per industry requirements, was sent to LCP Roofing’s support engineers for final specification on the specific fixing. Ultimately this entailed the use of a sliding shoe on the wall plate on one side of the building, as well as the necessary bracing details. Once fabricated and delivered, the scissor trusses had to be assembled on site and the top hat trusses were erected only once the exposed scissor trusses were in place. A mobile crane was required to hoist the 19.5m span trusses above the double volume of the hall and then to lower them, one by one, into position. The crane was only available for a limited period, so the LCP Roofing team worked as efficiently as possible, using the apron of scaffolding along the side of the walls of the hall provided by the principal contractor. Life lines were not an option as the trusses had to be lowered from above, but once the trusses were in place and temporarily braced, these were put in place and permanent bracing and anchoring was done. The top hat trusses were then erected and fixed on top of the modified scissor trusses.
The main hall, which is situated in the Junior/Senior Primary School building is the proverbial jewel in the crown with its vast, 19.5m-wide span exposed modified scissor-with-top-hat trusses.
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Editorial: Roof Truss Technology
Timber usage, sustainability and energy efficiency
Timber used in the fabrication of the trusses was a combination of Grade 5 and 7 structural SA Pine as well as structural SA Pine laminated timber beams. ‘The various grades of timber are determined by the software we use under license from International Truss Systems for the design and fabrication of timber roof trusses,’ explains Cotton. ‘Many factors, like the span of the building, the pitch of the roof, the type of covering required and the type and location of ceilings to be installed, help determine the grade of timber required for a roof structure. According to strict and necessary requirements imposed by the National Building Regulations, all timber used in this project was structural timber.’ Specifically sourced from sustainable and responsibly managed plantations, all timber used by LCP Roofing is considered a renewable resource. ‘Through effective, responsibly managed and sustainable forestry, farming of structural timber enjoys great success in South Africa, ensuring the availability of structural timber as a raw material well into the future,’ says Guassardo. ‘The entire production process, from transforming a tree into usable timber, its transportation, fabrication
and final erection to form a structure, requires less energy in comparison to readying other structural materials for the same application and has a much lighter impact on the environment.’ To reduce the energy embodied in erecting the timber roof trusses, apart from the erection of the roof trusses in the main hall, the entire school’s roof structure was responsibly erected and handled manually, negating the continuous use of expensive and energy-hungry lifting equipment and machinery. Solar geysers and panels were also installed which will go a long way to reduce electricity usage and associated costs for the school into the future, enhancing the structure’s continued sustainability. ‘Reddford House School is a well-respected institution with the highest standards in all regards. Having been appointed as a sub-contractor for this project represented a unique opportunity for our team and while the project requirements were challenging, they were refreshingly stimulating and pushed the LCP Roofing team to dig deep for elegant solutions to complex requirements,’ says Cotton. ‘The result is an impressive, expansive roof structure that will house the school for many years to come and reveal exquisite timber roof trusses that are worthy of being exposed and that pay tribute to an institution committed to educational excellence.”
Roof truss erection and sheeting installation under way at Reddford House School in Northcliff, Randburg.
Name: Reddford House School, Northcliff Date of completion: December 2015 Architects: Michael Bishop, Century Property Developments Main contractor: Murray & Dickson Roofing supplier & erector: LCP Roofing
Lyndsay Cotton, General Manager T +27 (0)861 527 7663 E lyndsay@lcproofing.co.za W www.lcproofing.co.za
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Editorial: Mega Building Projects Boost Concrete-products Sector
Latest mega projects boost concrete-products sector New mega housing projects stand to boost the concrete products manufacturing industry which has seen many cement suppliers drop their prices due to decreased demand and excess cement supply. The Government’s launch of 101 ‘catalytic projects’ in terms of its ‘Breaking New Ground’ housing policy are likely to reduce any imminent retrenchments from the concrete products sector, Pan Mixers South Africa (PMSA) Managing Director, Walter Ebeling comments. Current housing projects underway are too small and dispersed to make a significant impact, whereas the latest tranche of 101 projects, of which 94 are ready for implementation, range across all nine provinces, with a combined value of over R300 billion. They are expected to generate 20 000 additional jobs in the construction and ancillary industries. ‘With a stagnant growth rate, these housing mega projects will generate a much-needed demand side stimulus in the local economy which, in turn, drives supply from the private sector and new investment into capital equipment,’ Ebeling points out.
Concrete is used in all aspects of a housing development project, from roof tiles to bricks, blocks, paving for roads, concrete pipework for storm water and sewage, road kerbstones and drainage, foundations and concrete floor slabs. Having celebrated its 40th anniversary with the unveiling of a new range of products and technology at Totally Concrete 2016, PMSA boasts a comprehensive range of equipment that can be used to manufacture every one of these products used in housing developments. ‘The equipment supplied by PMSA comes with comprehensive training, commissioning and support. This means the customer has confidence of full back-up. We are locally-based, but with countrywide support and three branches in Johannesburg, Durban and Cape Town,’ Ebeling adds.
Quintin Booysen, PMSA Sales and Marketing Manager T +27 (0)11 578 8700 E quintin@panmixers.co.za W www.pmsa.com
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Advertorial: Sika South Africa
Sika’s structural strengthening for urban core station A globally acclaimed structural strengthening system from Sika was chosen for the refurbishment of Pretoria’s Mabopane Station, the third busiest railway station in South Africa with approximately 115 000 commuters a day. By identifying high-density activity nodes, named urban cores, the City of Tshwane’s Metropolitan Spatial Development Framework aims to restructure the city to promote economic development and growth. Since 2000, when it was recognised as one such urban core, the area around Mabopane Station has already undergone several massive upgrade programmes, including access roads, 45 000m2 of retail facilities, as well as a bus and taxi rank. In 2016 it was the turn of the station itself to receive refurbishment. Commissioned by the Passenger Rail Agency of South Africa (PRASA) as part of its National Station Upgrade Programme, MMA Posten Engineers SA wasted no time in specifying Sika CarboDur S1012 plates, SikaWrap-300 C, SikaWrap-600 C and adhesives, Sikadur-30 and Sikadur-330. Sika’s Peter van Eden was the Technical Sales Consultant onsite.
as external reinforcement. Although these noncorrosive, pultruded, laminates are extremely strong and durable, they are supplied in lightweight rolls, allowing for easy transportation and installation. Sika CarboDur plates can be used in a variety of applications, including increasing serviceability and durability, increasing load bearing capacity, or even for repairs to structural elements after earthquake damage. Extensive testing and approvals of this outstanding product are available in numerous countries worldwide. Sikadur-30 (800 kits), a thixotropic, structural twopart adhesive based on a combination of epoxy resins and special filler, was used to bond a total of 10 420m of Sika CarboDur S1012 plates. Easy to mix and apply, Sikadur-30 provides excellent adhesion, hardens without shrinkage and is impervious to liquids and water vapour.
Strong, durable and lightweight
Increases flexural and shear loading capacity
Specialist construction company, Freyssinet, was appointed to apply the Sika system. Manufactured from carbon fibre reinforced polymer (CFPR), Sika CarboDur plates were bonded onto the station walls
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Constant dust from construction and earthworks in the vicinity hampered the project, while moving scaffolding around the busy station proved a further
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Advertorial: Sika South Africa
challenge for the contractor. As part of the specified structural strengthening system, SikaWrap-300 C (800m) and SikaWrap-600 C (1200m) were applied to the station walls. Manufactured from unidirectional, woven, carbon fibre fabric with mid-range strengths, both products are low density for minimal additional weight and are used in many different strengthening applications to increase flexural and shear loading capacity on reinforced concrete, masonry, brickwork or timber. While SikaWrap-300 C is designed for installation using either a wet or dry application process, SikaWrap-600 C is designed for only a wet application process. Since the carbon fibre fabric is flexible it is particularly suitable for application on different surface planes and geometry. In comparison to traditional strengthening techniques, SikaWrap-300 C and SikaWrap-600 C are extremely cost effective. Sikadur-330 (869 kits), a two-part, thixotropic, epoxybased impregnation resin/adhesive was used as a bonding agent for the SikaWrap products. Easy to mix and apply, it provides good adhesion to many substrates and requires no separate primer. Structurally strengthened by such state-of-the-art products, Mabopane Station is destined to stand proudly for many years to come as the hub of this important urban core, while the highly progressive City of Tshwane Municipality is a step closer to realising its ambition of becoming an African Capital City of Excellence.
About Sika AG Sika AG is a globally active specialty chemicals company with its South African Head Office based in Durban, and branches in all major SA cities. Sika AG, located in Baar, Switzerland, supplies the building and construction industry as well as manufacturing industries (automotive, bus, truck, rail, solar and wind power plants, facades). Sika is a leader in processing materials used in sealing, bonding, damping, reinforcing and protecting loadbearing structures. Sika’s product lines feature high-quality concrete admixtures, specialty mortars, sealants and adhesives, damping and reinforcing materials, structural strengthening systems, industrial flooring as well as roofing and waterproofing systems. Sika has subsidiaries in 93 countries around the world and manufactures in over 170 factories, with some 17 281 employees link customers directly to Sika and guarantee the success of all partners. Sika generated annual sales of CHF 5.49 billion in 2015.
Sika South Africa (Pty) Ltd (Paul Adams) T +27 (0)31 792 6500 W www.sika.co.za
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Project: House Hugo
Northern view
Entrance
View from lounge and dining area towards north 2
House Hugo, Klipkop, Grabouw Photos: Francois Swanepoel
Text: Hannes Jacobs
The placement of the house close to the centre of the half hectare site was largely determined by a raised rocky outcrop which affords open mountain views to the north. This positioning was reinforced by a natural wetland area to the south which had to be contained and bridged to enter from the street. The brief called for a double storey house with family sleeping accommodation on the first-floor level and family living and guest sleeping areas on the ground floor. This suggested and supported a compact footprint which minimised expensive foundation excavations on the rocky terrain. The importance of the northern and the western orientation in designing for the cold Grabouw climate resulted in a square plan form. This, together with
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mountain views, determined the placement of the living area, as well as the main bedroom suite upstairs. Further organisation of spaces is around a central atrium leading from the south entrance to the northern living area (lobby 1). The arrangement is repeated on the first-floor level (lobby 2). The clarity and directness of this single organising element became the primary design idea of the building. On the street faรงade, this conceptual arrangement is
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Project: House Hugo
expressed by the timber cladding to the atrium space, the ground floor section of which pivots to become the front door. The wood finish is repeated internally and through to the upper atrium floor. The rest of the faรงade is kept as solid as possible with windows mainly to the east and west to assure privacy from the street. The north faรงade is spatially unrelated to the atrium and appears thus. Here the emphasis is on the
horizontal as opposed to the vertical articulation of the south faรงade: Wide windows towards the view are connected to form a single glazed element by ending internal walls behind deep mullions; roof overhangs are cladded with timber to form simple horizontal lines. The material and colour pallets were kept minimal and direct. Brickwork is bagged and painted and concrete is kept unfinished.
Stair
View upwards through double volume
South eastern view from street
Marcus Smit Jacobs Architects T +27 (0)21 852 1362 M +27 (0)72 246 4290 W www.marcussmit.co.za
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Editorial: Cementitious Finishes
Redefining urban living New cementitious admixture and additive technologies are allowing for the development of an ever-widening range of new, high performance and cost-effective products in which cement is an essential ingredient. The availability of these new products, coupled with the trend towards ‘raw’ and more artisanal and natural looking finishes, is driving increased use of cement. ‘As home-owners and property developers demand more cost-effective and durable finishes, as well as building materials which are more environmentallyfriendly, locally manufactured and less energyintensive to produce, they’re finding that new composite cement-based products offer them new versatile, creative solutions,’ says PPC architect Daniel van der Merwe.
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Unlocking opportunities
Continuous research into cementitious product development solutions are also unlocking previously unthought-of possibilities. Many of these are being driven by partnerships and collaborative relationships, notably by PPC and Cemcrete locally. Initiated several years ago to drive shared value for customers, the partnership is geared towards innovation, enabling adoption of quality products by consumers. ‘As the country’s leading cement manufacturer, PPC can consistently supply quality, high performance
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Editorial: Cementitious Finishes
cement to the building industry, both at large and home-owner scale. When coupled with the availability of the new concrete technologies driven largely by Cemcrete, this has created a far broader valuechain that allows for the construction of world-class infrastructural, building and home developments,” notes Van der Merwe. ‘As such, Cemcrete is then able to literally unlock the “next layer” of creative design, thanks to its decorative range.’
Helping customers realise their concept ‘For us at Cemcrete, it’s all about helping customers realise their concept through our collective products,’ says Nadine Prinsloo, Cemcrete’s Marketing Manager. She adds that because cement-based products can create a unifying aesthetic, they enable a seamless transition from interior to exterior spaces. ‘Through our partnership with PPC we are ideally placed to offer home-owners a complete cementbased solution. Our decorative cementitious products
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Continuous research into cementitious product development solutions is also unlocking previously unthought-of possibilities.
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are the perfect choice for anyone wanting to create unique and bespoke finishes using colour, patterns, shapes or even special inlays,’ she adds. Because the finishes are applied by hand, each application has its own personal texture and character because of everything from trowel movement during application, and mixing ratio to temperature on the day. This allows for an almost infinite range of creative finishes which will be a once-off. In this way customers can add their own personalised touch to their homes.
Cemcrete Daniel van der Merwe T +27 (0)11 474 2415 F +27 (0)11 474 2416 E info@cemcrete.co.za W www.cemcrete.co.za
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Advertorial: Company
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Project: Dean’s Décor Centre
Dean’s Décor Centre, Potchefstroom This innovative building was created for the specific needs of Dean Rosin for the relocation of his 11-year-old décor business in Potchefstroom. Rosin’s old premises were in the centre of the Potchefstroom CBD but became obsolete because of size and location. He needed exposure to the broader public and passing trade. Thus, the new location next to the N12 through Potchefstroom became an obvious and necessary choice. Architects André Kriel Construction & Architecture (Pty) Ltd were consulted about the location and size of the stand, as well as the client’s specific needs about size and visibility for his furniture and décor centre. The proposal to build a neutral and industrial building, so as not to detract from the richness of the furniture and décor elements, was well received by the client and the process of rezoning and site development plans were put into action. The result culminated in not only a 500m² retail centre for Dean’s Décor, but also two additional offices now occupied by the architects and a health institution.
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A small entrance square was created to serve all three occupants and the square was accentuated with a sculpture by well-known Potchefstroom sculptor, Roland Daniel. The paving on the square was patterned around the sculpture in the form of splintered glass, tying together all the surrounding elements as if emanating from the sculpture. The buildings were erected as a steel structure with castellated trusses with a clear span of 20 metres. The round cut-outs on the end beams were glazed with rounded Perspex fitted in caravantype rubber mountings. The end office or studio, was designed with a highpitched roof to counter balance the lower pitched roof over the shop and the two were linked with a lower flat roof over the centre office. The three elements were tied together with an eyebrow-type concrete feature over and under the shopfronts to create communication between the contrasting bulk elements.
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Project: Dean’s Décor Centre
The finish of raw flush-jointed stock bricks, unpainted concrete and plaster elements, large glass facades and painted exposed steel elements, all create and form the basis for an industrial look complex, unique and new in the Potchefstroom environment.
Site works were limited to a small garden area on the entrance square, with some gabion seaters and the parking area flowing off the two service roads. The paving in the square was used as an overflow into the parking areas, once again tying in the entire development to and from the central sculpture.
AndrÉ Kriel Construction & Architecture (Pty) Ltd T +27 (0)18 294 3760 M +27 (0)76 4535 850 E lizane@akca.co.za/admin@akca.co.za
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Editorial: SACAP and ACE Sign MOU
SACAP and Architects’ Council of Europe commit to working together The South African Council for the Architectural Profession (SACAP) has honoured its commitment to position the South African architectural profession within the global community. This was achieved with the signing in April of a Memorandum of Understanding (MOU) between SACAP and the Architects’ Council of Europe (ACE). The MOU commits the organisations to work towards an agreement that will facilitate sharing of knowledge and skills, engaging in dialogue on critical issues facing the sustainability of the profession, establishing international standards, norms and benchmarks and promotion of excellence in architecture, to name a few areas of mutual interest. It promotes consistent professional qualifications criteria and national syllabi based on international standards, such as the UNESCO/UIA Charter for Architectural Profession and the Canberra Accord (CA), as well as international dialogue on issues facing practice. SACAP President, Yashaen Luckan, who signed the MOU with ACE President Luciano Lazzari on 22 April 2016 at the ACE General Assembly in Berlin, said the recent rapid changes in global climates, societies and economies has placed the architectural profession in a position of selfreflection, self-critique and new opportunities. Such challenges require broad participation, intense collaboration and a better world view to develop meaningful responses.
SACAP was established in late 2000 and controls the standards of education at tertiary institutions, through visiting boards, for the purposes of professional registration. It protects public interest by identifying the type of architectural work each category of registered person is capable and competent to perform and administrates a Code of Conduct. The Architects Council of Europe is a non-profit organisation that represents the architectural profession at the European level. Its membership consists of regulatory and professional representative bodies throughout Europe. ‘SACAP’s mission is to transform, grow, develop and regulate the architectural profession through collaborative engagement in the pursuit of excellence. This MOU recognises our shared goals,’ comments Luckan. ‘We are convinced that the cooperation described in it will help to consolidate and reinforce actions and efforts towards addressing mutual concerns and interests pertaining to architecture, architectural education, research, professional standards and regulation, professional mobility, environmental issues, professional development and practice and political influence – among others.’ ‘The signing of the MOU between ACE and SACAP marks an important milestone on the road to international collaboration of our profession, bringing new impetus to our common cause for enhancing the value of architecture, for the betterment of all. It is particularly significant because it brings a new and thoughtful alliance between architects of two continents, based on a future that is both challenging and promising,’ adds Lazzari. ACE President Luciano Lazzari and SACAP President, Yashaen Luckan, signed the MOU on 22 April 2016.
SACAP T +27 (0)11 479 5000 F +27 (0)11 479 5100 E info@sacapsa.com W www.sacapsa.com
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Advertorial: Den Braven
Sealants, adhesives for high joint movement Den Braven Sealants market and distribute a comprehensive range of sealants and adhesive solutions, technically developed to seal and bond a multitude of substrates where a high joint movement is required. This also includes the internationally acclaimed Fire Protect® retardant range, permanent anchor and mortar fixings, glazing accessories, foam backing cords, applications guns and solvents. These products are designed for use across the building, glazing, plumbing, fenestration, automotive, general manufacturing, mining, flooring, DIY and hardware markets.
A skilled sales team on hand to answer your questions
If you’re not certain which sealant or adhesive is the most suitable for the job on hand, contact Den Braven in Johannesburg, Cape Town or Durban to find out. The Den Braven sales teams are professionals and trained on all the technical aspects of every product. This training, coupled with the huge amount of knowledge gathered in dealing with clients, will ensure you get the very best advice about the areas of use and application of sealants and adhesives. The staff not only note your requirements, but probe
further by asking technical questions. Clarification of your needs and the technical components of the job are vital to make sure that the correct product is recommended. Once the correct sealant or adhesive is determined, the sales team will offer advice on how to clean the area prior to application, the sealant or adhesive quantity required and how to apply it. If this cannot be done telephonically, arrangements will be made for a sales representative to visit your work site, no matter where you are or how small or large the job is to assess and clarify your needs. If you are using multiple sealants and adhesives, demonstrations may also be arranged at one of Den Braven’s offices, or at a venue of your choice.
Interactive and informative website
Den Braven’s website is interactive and informative, showing the full range of products. Each product has its own specification and technical information sheets, plus colour options, where applicable.
Den Braven SA (Pty) Ltd T +27 (0)11 792 3830 E sales@denbraven.co.za W www.denbraven.co.za
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Advertorial: Concrete Retaining Block Walls
The lower fill-wall under construction with the benching clearly visible.
Massive CRB walls stabilise warehouse building platform Aveng Infraset’s RidgeBloksŽ have been used for the construction of two exceptionally large concrete retaining block (CRB) walls, essential components in securing a bulk-fill terrace and a large post-tensioned concrete surface bed at Tunney Ext 12 in Germiston. The surface bed supports a warehouse and distribution centre built for earth-moving-equipment giant, Komatsu. Variable geology and sloping land presented an exceptional set of challenges in the successful execution of this project. The CRB walls were specified by the project developer, Investec Property, and were designed by Verdi Consulting Engineers (Verdicon) in collaboration with international consulting giant, Hatch. Local earthworks contractor, Power Construction, was
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engaged for the civil work and Valcal International constructed the retaining walls.
Maximising space for development
The lower wall, 450m long and topping 13m, was built to face-off and secure the bulk-fill terrace above, maximising the space available for development. The upper wall, 436m long and 15m high, stabilises the
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Advertorial: Concrete Retaining Block Walls
embankment which rises above the building platform. It was a cut-and-fill operation which involved the blasting and excavation of large quantities of rock. Verdicon MD, Trevor Green, said that besides creating additional usable space, the advantage of CRB walls is their modularity which makes them sufficiently flexible to accommodate ground movement while retaining structural integrity. ‘By contrast it takes only minimal movement for reinforced concrete or brick walls to crack, while an equivalent wall in reinforced concrete is typically several times costlier. We specified Aveng Infraset’s RidgeBloks® for the Tunney project primarily because they are solid, unlike most other blocks on the market which are hollow. Their interlocking design also prevents them from sliding, a distinct advantage,’ says Green. He explained that as both walls exceed a height of 10m, they were constructed in a closed-face configuration for the first 3m-5m and in open-face thereafter. The lower retaining wall was built after the earthen terrace had been constructed. ‘Power Construction battered the bulk earthworks platform at 45˚, while the lower wall was built at an angle of 70˚. During its construction, Valcal International benched the embankment to avoid the
A portion of the cut face on the upper wall.
creation of a preferential failure plane,’ he adds. ‘In addition, we specified geosynthetic reinforcing at a ratio of 70% to wall height which was installed at every third layer of RidgeBloks®.’ The cut wall section consists mostly of rock from several different geologies and is topped by ± 2m of soil. Although global instability was not an issue, numerous wedges (jointing) in the rock face meant that over time pieces of rock would dislodge and fall.
Avoids ongoing maintenance issues
Rock bolts and mesh could have been used to secure the upper wall but Verdicon opted for the CRB option. Besides costing slightly less, it avoids the ongoing maintenance issues which the former option would have entailed. This wall was built at an angle of 75˚ using a minimum of 1m geofabric and stabilised fill compacted at 150mm layers. Above the rock a more traditional geogrid installation of 50% to 60% wall height was applied. Aveng Infraset Landscape Products sales manager, Brennan Small, says that the scope and scale of the Tunney project is one of the more spectacular examples of the versatility, structural integrity and costeffectiveness of Aveng Infraset’s RidgeBloks®.
A portion of the cut face on the upper wall.
Left: A portion of the completed wall in-fill. Above and right: The partially completed 15m wall-in-cut.
Brennan Small T +27 (0)12 652 0000 David Beer T +27 (0)21 783 0103 or 082 880 6726
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Project: The Concrete House
A hill becomes a house The Concrete House is the latest masterpiece by Nico van der Meulen Architects and M Square Lifestyle Design. From the inception of this project the client brief, existing house and contextual setting were all factors to carefully consider before pursuing the extensive alterations and additions to a modest hillside house. From concept to documentation and ultimately implementation, the architecture was guided by this clear understanding. Situated in Bedfordview, bordering a serene nature reserve, the altered house is perched on the steep
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face of the hillside, seemingly sliding down the hill. Nature informed the architectural concept and guiding principles behind the making of space and formation of the architecture: Rockface Extension. From a conceptual point of view, the architecture aims to act as an extension of the rocky hillside, with the occupants seemingly inhabiting a mountain face. The extension aims to deliver just that as it is firmly rooted to the hillside through some impressive engineering, while also protruding out of the hillside as if it were shaped and morphed over time into its current condition.
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Project: The Concrete House
Translation of the concept mimics the hillside
The translation of the concept becomes evident on entry and approach to the house, where the pair of 3,6 x 4,8m 4-ton cast-in-situ garage doors are a result of the clients brief and of the moulded and chamfered shapes of the extruded edges, mimicking the shaping of the stone and the hillside. The entrance courtyard is intended to resemble a portion of an excavation of the hillside, with large slabs of exposed aggregate paving fragmented with inlayed strip lights depicting the Morse code translation of the client’s family name. This excavated portion is further enhanced by carving the entrance through the solid face into the interior of the hillside. The material translation of the concept resulted in the dominant use of concrete as a material because of its mass, solidity and firmness. The concrete hillside extension is further carved out and excavated, resulting in various internal voids that are generated to form the various spaces required by the client’s programme.
Spaces, rooms and linkages
This overarching concept was critical in determining the treatment of spaces, rooms and linkages inbetween. The use of concrete was offset and softened by using timber, enhanced with the implementation of marble and contrasted by mild steel elements, malleable ceilings and clear glass for filtering light into the house (and into the hillside). Entering through the carved entrance and double volume foyer, the organisation on this level is clear and distinct. The double volume foyer which forms an
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integral part in the circulation of the house, acting as the central spine for moving up and down, separates the service spaces from the entertainment spaces on the lower level. The entertainment spaces, comprising a formal and secluded cigar lounge and wine cellar resembling a cave in the hill, billiards room, barbeque area as well as an indoor swimming pool, rests discreetly below the main living areas. As the orientation of the house is north, this entire space connects seamlessly to the garden with fully glazed folding doors. The double volume space enhances the conceptual notion of ‘carving and extending the hillside’. The internal finishes reiterate the notion of privacy as well as the freedom that comes with entertainment. Barrisol ceilings are used for uninterrupted lighting, Pandomo stucco wall finishes are applied to enhance the sophistication of the entertainment area, while oak panelling softens the palette considerably for a more relaxed environment. The ground level follows a similar pattern to the lower level in that the circulation core, comprised of a three-storey stairwell and lift shaft, clearly separates the private familial functions, gymnasium, study and home theatre from the more public spaces such as the bar, dining area, lounge and kitchen, while the service spaces are excavated in the hillside. The public areas on this level are conceived as an extension to the daily lives of the occupants, where open plan living, interconnectedness of spaces and functions are important. From this large uninterrupted space, the views onto Johannesburg are generous and the aperture selection and placing of openings are carefully considered to enhance views, while adhering to the necessary control of sunlight.
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Project: The Concrete House
Ventilation of this space is critical as the lower level swimming pool is part of this volume, humidifying the space on warmer days. To regulate this an intelligent skylight was installed to ventilate the spaces adequately. The public living areas are emboldened using neutral materials suiting the palette of the rest of the house, while softening it with the discreet use of oak and lighter finished materials. The gymnasium and other private spaces are carefully considered in their arrangement and placing, while the finishes used suit the function of the space. Sculptures by Regardt van der Meulen have been used in the foyer as well as the dining room, giving an additional dimension to the architectural space.
An invitation to enjoy nature
To the south of the house, the location and consideration of an atrium space acts as an invitation to enjoy nature while also granting access to the guest wing cut into the slope of the hill, extending the hillside. On the first floor, the private spaces of the house are organised around this courtyard and atrium space, with the main suite situated to the north-east, thereby absorbing most of the morning sun and shielded by the harsh western sun.
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Project: The Concrete House
The four children’s bedrooms are all considered and crafted specifically according to the client’s brief, with each assuming its own character and language. These spaces, as formal and private as they are, seem less so due to their elevation, connection to the hillside and relationship between one another. Open balconies, atria and external walkways afford the private bedrooms and bathrooms the opportunity to breathe, thus removing the sense of seclusion and ultimately affording the private spaces some freedom.
Claiming the hillside
The context offers the occupants the generous opportunity of claiming a portion of the hillside for special occasions. The gazebo space is accessed via a free-form concrete staircase and elevated amongst
the indigenous trees on the hillside, a steel walkway lightly touches the earth. The gazebo is perched at a much higher level than the home, offering breathtaking views of Johannesburg. This space seems to become part of the hillside, although not a cave, the spatial language does elude to this. The Concrete House engages with a challenging context, while the architectural and interior approach to translating this into space found its cues from its location. The result is strikingly beautiful. The house is a statement and testament to the contextualisation of architecture, the enhancement of material technology and of a holistic understanding and implementation of making a house a home.
Nico van der Meulen Architects W www.nicovdmeulen.com
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Editorial: Roof Maintenance
While some roof systems call for less intense maintenance than others, the Institute for Timber Construction South Africa (ITC-SA) stresses that all roofing systems should be checked periodically and maintained accordingly.
Safety overhead: The importance of roof maintenance Even though the roof structure as an integral part of a building and its functioning is of utmost importance, it is possibly one of the most neglected components. The Institute for Timber Construction South Africa (ITC-SA) stresses that while some roof systems need less intense maintenance than others, all roofing systems should be checked periodically and maintained accordingly. The saying ‘prevention is better than cure’ has never been more true when it comes to roof maintenance. The best preventative measure one can implement in the care of a roof structure is to conduct regular inspections to help identify and remedy problems as and when they occur. A roof withstands more from the elements than any other component of a building and the frequency of roof inspections and maintenance is dependent on the geographical location of the building. If the building is close to the sea or located in an area which experiences harsh hail storms, for example, it will need more maintenance than a building inland. That said, preventative maintenance is pivotal in saving money on a roof by providing a longer service life. The following offers a guideline to maintaining a safe and secure roof structure for years to come.
Roof exterior
• Check for any cracked roof tiles, loose sheeting and loose roof screws. These may cause leaks which have the potential to cause damage to the interior timber of the roof structure and set off or accelerate wood rot.
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• Look for open areas around newly installed antenna shafts and chimneys. • Waterproofing should be installed to prevent any leaks and the condition of the waterproofing membranes must also be inspected regularly. • Crumbling chimney mortar could also signal moisture penetration and will need to be reapplied. • Timber roof overhangs are most susceptible to weathering and should be maintained regularly to prevent fungal attack or rot from moisture. • Loose fascia boards and leaking gutters are the most common cause of leaks onto roofing timber. Look out for any creeper plants growing onto the overhanging roof timbers. Keep all gutters free from debris and make sure the downpipes are draining properly by testing them. • If the roof exterior is beginning to collect moss or algae, consider installing zinc or lead control strips to help control the problem. These strips form harmless zinc oxide when rainwater runs over them, carrying with it a coating that prevents further moss or algae from growing. • Check all flashings and ensure they are not deteriorating and secure or replace any loose shingles.
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Editorial: Roof Maintenance
• Trim back any overhanging tree branches and check any metal on the roof for signs of rust. • Pay attention to all caulking and sealants and scrape and remove any caulking that is weathered, cracked or damaged and reapply. • If the roof has gravel surfacing, look out for any bare spots, otherwise, check for blisters in the roofing material. • Salt or dirt build-up can encourage rust on steel roofs and moss and lichen growth on tiled roofs. Some manufacturers’ warranties advise regular washing, particularly in areas that don’t receive frequent rain. Frequent washing and inspection are advised to prevent salt and dirt build-up. • Exposed timber trusses must be treated for exposure to the elements.
Roof interior
• Cracked timber components in the roof structure are the first signs that something in the roof structure is deteriorating. • Inspect all the components of the roof structure after plumbing, electrical or a fireplace are installed. • Check the interior of the roof for any leaks as these may indicate a leaking roof membrane. • If timber is beginning to show signs of rot, painting it will only worsen the situation. In this case, it is advisable to replace the affected timber. • Painting and repainting should only be done on healthy timber surfaces. Be sure to adhere to the paint or treatment specifications for the application.
Additional loading
• Additions, such as a cooking canopy that extracts smoke or steam from the kitchen, for example, are usually suspended from the roof trusses. In the case of additional loading it is important to ensure that the load is spread across more than one truss. • The load of the item should be established
before installation and the truss design should be checked for any added loads. • Use a professional to install new items in roofs, such as additional ceilings, bulkheads and chimneys. • Storage in roofs is not recommended unless the design of the roof specifically makes provision for this.
Legal compliance
As per the Construction Regulation 2014 Occupational Health and Safety Act of 1993, an owner of a structure must ensure that: a) Inspections of the structure are carried out periodically by a competent person to render the structure safe for continued use. b) That these inspections are carried out at least once every six months for the first two years and annually afterwards. c) The structure is maintained in such a manner that it remains safe for continued use. d) The records of the inspections and maintenance are kept and made available on request to an inspector. The roof is a structurally important and very costly component of a building and the average cost of a roof as a portion of the final building can easily exceed 25%. The costs associated with repair or replacement of the same roof structure will be even more than this because of the additional work required to establish structural integrity. Therefore, it is imperative that a roof structure on residential, commercial and industrial buildings is regularly inspected for any anomalies and that remedial action is taken promptly if needed. A roof is a lifetime investment and should last just as long. All nail-plated timber roof structures must be designed, manufactured, erected and inspected by ITC-SA accredited members who have been awarded a Certificate of Competence. An A19 Certificate will be issued on compliance, which is required by the Local Authority before issuing an occupation certificate.
About the Institute for Timber Construction (ITC-SA) The ITC-SA was established more than 40 years ago to regulate the engineered timber roof structure industry and to provide design, manufacturing, erection, inspection and certification for compliance with inter alia SANS 10400 and SANS 10082, where engineering rational designs are applicable. The ITC-SA is a South African Qualifications Authority (SAQA) accredited professional body with a professional membership and therefore must comply with the requirements as set out in the National Qualifications Framework Act (NQF Act 67 of 2008 – as amended). The ITC-SA is also a Recognised Voluntary Association in terms of the Engineering Profession Act, 2000 (Act 46 of 2000). In 2014, the Institute for Timber Frame Builders (ITFB) was incorporated into the ITC-SA to ensure a better and more uniform representation of the timber engineered practitioners in the built environment. Many thanks to MiTek Industries SA and International Truss Systems for their contribution to this article.
ITC-SA (Chris Hobson) T +27 (0)11 974 1061 E enquiries@itc-sa.org W www.itc-sa.org
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Project: Steyn City Parkland Residence
Steyn City Parkland Residence Renico Earthworks & Civils has been awarded a R280 million contract for the construction of internal services in Phase 2 of Steyn City Parkland Residence. The development lies on the last piece of land on the urban edge of the ‘new north’ and, at 2000 acres, will be the largest parkland residence in South Africa. Steyn City aims to be not only the biggest lifestyle development in the country, but also the best, with its sights firmly set on becoming the most desirable residential lifestyle resort in the country. It is well on its way to achieving this objective, having recently been named the fourth best estate in South Africa according to New World Health. Estates were ranked according to factors such as security, activities and facilities on offer, housing design and spacing, views, appeal and potential for resale and price growth. Steyn City’s fourth place is even more impressive given that the top three estates are well established developments boasting coastal locations. In comparison, Steyn City is still under construction.
according to their own specifications. Size stands vary, but all share stunning views of the parklands they border. Around 50% of Steyn City’s land is to be reserved as a greenbelt. Amid the lush indigenous parklands, which attract an abundance of birdlife, residents will find magnificent interactive land art. Security is also an important feature: Steyn City deploys sophisticated technology to put the homeowner at ease and to create an open, boundary free community. A mixed land use approach is followed and, in addition to private residences, the lifestyle resort will also house schools, a city centre, a commercial park, retail outlets, a retirement village and a medical centre.
Borders lush indigenous parklands
A Nicklaus designed 18-hole championship golf course straddles both sides of the Jukskei River and forms part of the beautifully landscaped parklands,
Homes at Steyn City range from apartment living and clusters to freehold properties, which owners can build
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Designer golf course and other luxury outdoor amenities
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Project: Steyn City Parkland Residence
traversed by walkways, running and cycle tracks. The golf clubhouse has won several international awards and boasts expansive views of the first, ninth and 18th holes. The luxury lifestyle resort offers a host of outdoor amenities and activities, including an equestrian centre and clubhouse, skate park, children’s play nodes, tennis courts, outdoor gyms, deli and fine dining restaurant called Nineteen (XIX) at The Club at Steyn City. With the emphasis on pedestrian movement there is only one major arterial route and all internal walkways are linked by subways to ensure easy movement without the nuisance of traffic.
First homeowners have already moved in
Phase 1 of the development is well underway with 93 apartments and 19 clusters already completed and a further 60 clusters being built off plan.
Six show homes have also been completed and 220 freehold stands have been released and sold. Construction has begun on more than a quarter of these stands and the first homeowners have taken occupation of their new homes. Renico Earthworks & Civils will officially begin with the internal services in the last quarter of 2016. The project is expected to take 20 months to complete. The scope of work includes building approximately 18km of internal roads with surfacing and kerbs; storm water structures and junction boxes; water, irrigation and sewerage systems; sub-soil drains; sleeves; electrical internal services; gas internal systems; bulk earthworks and temporary fencing. ‘We are delighted to be appointed for the Phase 2 internal bulk services of Steyn City. This prestigious lifestyle resort has become a byword for quality and attention to detail; an ethos which matches our own,’ says Nico Louw, Managing Director of Renico Earthworks & Civils.
RENICO EARTHWORKS & CIVILS T +27 (0)11 794 1177 E info@renicoplant.co.za
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Project: AIG South Africa Head Office in Sandton
Form, function and vibrancy in the heart of Sandton Leading construction and property solution company, Profica, project managed a world-class Design & Build solution for AIG South Africa’s head office in Sandton that is imbued with an interesting mix of energy, openness and sophistication.
As an organisation with a reputation for innovation, global insurance company AIG required a new look and feel for their head office in Sandton that would reflect the company’s energetic and innovative outlook, as well as provide a comfortable and functional work environment for staff members. Having operated in South Africa for over 50 years, the company has built up a strong track record of providing innovative products to a broad base of clients, from South Africa’s top businesses and government organisations, to hundreds of smaller companies and a growing number of individuals. When considering who could best project manage the delivery of a signature space that would reflect this inclusive attitude together with their drive for innovation, AIG turned to Profica to manage the solution for the 4600m2 office space.
Modern design conducive to a free-flow of communication
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Photos by Tétris
AIG’s vision was translated into a modern, open-plan design that would be conducive to the free-flow of communication that allows for collaboration, without compromising the need for privacy when working. To underscore the need for openness, comfortable working spaces were created without overly demarcating the difference between formal work
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Project: AIG South Africa Head Office in Sandton
zones and informal discussion areas. This was further complemented by a variety of meeting points, such as glassed cubicles, group brainstorming areas, hightech board rooms and private meeting rooms, as well as a beautifully appointed canteen. Technology was seamlessly integrated into the airy and open space to ensure easy access to plug points and technical equipment, while at the same time being unobtrusive. While the result appears to be one of effortless continuity, the project itself was a complex undertaking in that it had to accommodate a distributed team of AIG decision-makers that could not be present at the build site, as well as the coordination of a variety of contractors and suppliers.
Strong track record, good planning and a solid working relationship
Profica attributes the success of the project to a combination of factors. Firstly, the company’s professional dealings with global clients and a strong
track record in delivering similar projects ensured a good fit with AIG. Secondly, having ensured a rigorous planning phase upfront limited downstream risk and ultimately ensured that challenges were deftly and successfully managed. Lastly, the development of a solid working relationship with the AIG team in the planning stages was sustained throughout the build with a strong interface between the design team and AIG. This enabled clear lines of communication and understanding at all times. This winning combination meant that the build was successfully delivered to AIG within a three-month period that was both on time and under budget. Almost six months after moving into the transformed premises, AIG is extremely happy with the result. Their offices in the heart of Sandton are bright, healthy and highly functional and provide an optimal space for staff to innovate and deliver service excellence to their clients.
About Profica Profica has provided property and construction solutions for over a decade and was rated the top project management company in South Africa by PMR.africa for the fourth time in 2016. Headquartered in Johannesburg, with offices in Nigeria, Ghana and Kenya, Profica offers strong service capability throughout Africa, with teams across the continent to ensure localised solutions. With a focus on customer service and value creation, Profica is passionate about providing customers with value-added outcomes and an optimum return on their investment. The goal is not only to deliver results, but to have clients who are 100% satisfied. This is made possible through Profica’s entrepreneurial culture, complemented by a team of people who have excellent, world-class skills and a can-do attitude.
Profica T +27 (0)11 234 5828 E info@profica.co.za W www.profica.co.za
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Project: Apex on Smuts
The Apex on Smuts, Rosebank, Johannesburg This modern wedge-shaped Manhattan style building was designed by Messaris Wapenaar Cole Architects to form a landmark on the skyline of Rosebank. It is situated on the corner of Jan Smuts and Hood Avenues. The building extends into the point of a triangular site, creating the opportunity to design attractive balconies with sweeping views over the western suburbs. The final design incorporated four parking levels as well as 72 apartments that were spread over six floors. The seventh and eighth floors were captured for a few upmarket penthouse units. A full height internal 8-storey atrium in the centre of the building was incorporated into the design to provide sufficient light into the building’s interior.
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High quality fenestration provides energy efficiency The main contractor on the project was Vlaming (Pty) Ltd. P&D Fenestration (Pty) Ltd was appointed as the preferred aluminium sub-contractor on this prestigious project. P&D Fenestration’s involvement started in March 2015 and the idea was to design, manufacture and install the most energy efficient products to suit the requirements of such a high-class building. The glazing had to provide the maximum amount
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Project: Apex on Smuts
of light to the building’s interior, with the minimum amount of heat build-up. It also had to provide an aesthetically pleasing effect from an elevational aspect. The success of supplying such high-quality fenestration on this project relied on careful planning and teamwork. This could only be achieved by using the right types of aluminium systems as well as proper performance glazing throughout the building. We had to rely on the expertise of our suppliers to achieve this goal. Sheerline, and more specifically their solutions projects team, played an instrumental role in specifying an aluminium system for each application. All designs were done in conjunction with our façade engineer and had to comply to all necessary industry regulations. We also had to make sure that all designs could withstand the prescribed wind loads of that specific area. The glass had to be double glazed to achieve the relevant performance requirements and therefore we had to source a very project-specific type of glass in each application throughout the building. The decision was made to use Sunergy Neutral as an external component of the double-glazed units with a clear glass on the internal components. All the
P&D Fenestration T +27 (0)11 760 2847 F +27 (0)11 760 1901
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SIG-units had to have a 12mm spacebar between the two skins of glass to achieve the required performance figures.
Overcoming challenges
The biggest challenge was to deliver these highly sensitive products to a site with very limited unoccupied space. The building was extended over the full length and width of the triangular shaped site. All products had to be hoisted up the building and then manually moved to the specific areas of installation. Extreme care had to be taken to avoid any damage to the products and simultaneously we had to meet pre-determined deadlines. Our management team, in conjunction with the main contractor’s team, planned every aspect of the installation process in detail. We started with the first installations during August 2015. The final installations were done in July 2016. From start to finish it took a lot of hard work and determination from all parties involved to deliver a product of such high quality. This was a very special project that gave all involved great satisfaction to stand back and view the result. As a company, we were very fortunate to play a role in the creation of this prestigious building and having the opportunity to be part of a very professional team.
Integrity
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Quality
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Project: Swift Studios
Context and Calculated Refinement Presenting two projects by Two Five Five Architects Claire Boothe Luce once said that ‘simplicity is the ultimate sophistication’. This is something that rings true when regarding the recent projects completed by the dynamic Two Five Five Architects. With offices in Cape Town and Johannesburg, this experienced architectural firm has already established itself as a leader in their field – favouring timeless designs that are innovative, sophisticated and responsible to their context.
Photos by André Krige, Two Five Five Architects
Swift Studios - ‘Less is made from more’ Situated in the suburb of Salt River, Swift Studios presented an interesting opportunity for Two Five Five Architects. The question of how to best ‘marry’ the different contextual elements of the area was at the forefront of their design. Taking into account the rich multicultural environment alongside the suburbs’ unpretentious and gritty industrial nature, Two Five Five architects adopted a design that would lend itself to a rawer industrial feel, supported by more edgy and younger finishes.
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PROJECT DETAILS Client: Investicore Holding Location: Salt River, Cape Town, Western Cape Total project cost: R11m The existing structure on the site was a combination of an old industrial warehouse and a couple of the more typical Salt River homes. The warehouse had incorporated most of these houses in the structure, swallowing up much of their beauty and destroying their heritage significance. Two Five Five Architects opted to keep the main
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Project: Swift Studios
structure from the old warehouse and level the old houses. With the redevelopment of the warehouse structure, an interesting combination of old and new has been achieved.
Freedom of functionality
The 16 open studio flats were designed to give the buyer an option to convert the flat into a one- or two-bedroom configuration should it be required. This has been a great value-add as it affords the buyer the freedom of ‘functionality’ – changing the space to suit various needs, whilst not having to worry about changing the look and feel of the flat. Inside the flat, the focus was to maintain a textured and smooth finish in both the kitchen and bathroom. Along with deep textured wall finishes and exposed galvanised steel electrical conduits, a wonderful balance between the ‘raw’ and ‘refined’ aspects was achieved.
Communal pause space
One of the key features of Swift Studios is the outdoor deck garden on the first floor – adorned with benches and greenery; it creates a communal pause space for residents. The open plan and see-through ends of the garden creates a visible connection with the surrounding cityscape, fostering the experience of connectedness – a valuable sentiment in city life. The garden also serves as an ingenious way in which to hide the car parking area below.
Retail and office space
As Swift Studios is situated on a busy interchange, with loads of pedestrian traffic passing by from the Salt River train station, Two Five Five Architects recognised the opportunity to create both retail and office spaces on the ground floor of the building. These spaces would help to interact with, serve and grow the foot traffic that is already there, creating an economic opportunity for small business. This type of initiative is also in line with the City of Cape Town’s encouragement of street interaction, as this enhances security and accountability. The retail area presently houses a laundromat, which serves Swift Studios and the larger Salt River community. Alongside this is a photography studio and creative agency.
Balance between raw warehouse and refined development
Two Five Five Architects worked hand in hand with Dawie Swart and Helene Steyl from the developer Investicore Holdings to ensure that Swift Studios were designed for its market segment, making it an attractive property to buy, whilst not losing any of the Salt River ‘flavour’. The unique balance between its raw warehouse roots and refined development is a beautiful illustration of Two Five Five Architects’ commitment to sophisticated designs which are responsible to their contexts.
Two Five Five Architects T +27 (0)11 482 6205/ +27 (0)21 447 2136 E info@twofivefive.co.za W www.twofivefive.co.za
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Advertorial: Ceramic Wholesaler
Ceramic art Ceramic Wholesaler – striving to be leaders in the field. Utilised over centuries, ceramics have always served a dual purpose either as functional objects or something that adds beauty to any space. Established in 1994, Ceramic Wholesalers is a tile and mosaic importing, wholesaling and distributing company that offers clients across the African continent a wide and varied assortment of ceramics that is guaranteed to brighten any area. Ceramic Wholesalers focuses on excellence through innovation and design. With extensive market research and development, Ceramic Wholesalers is able to consistently offer clients the very best of products at affordable prices.
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Our portfolio caters for a wide range of services and specifications, which extends to homeowners, retailers and architects. With almost 20 years of experience in the ceramic market, we strive to be leaders in this field, and this steadfastly remains our company’s motivation. In order to showcase our extensive range, we have compiled the first edition of our mosaics catalogue, which we believe to be a viewing pleasure. For more information please visit www.ceramicwholesaler.co.za
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Project: ABSA Bank Client Facing Network Programme
Complementing innovative service with an expert Design & Build solution ABSA Bank’s innovative Client Facing Network Programme will supply more than 200 new or refreshed retail bank facilities around the country over the next year. Leading construction and property solution company, Profica, has been tasked with undertaking 40 of these projects and has been more than ready for the challenge. For ABSA Bank, the programme signals a dynamic shift from a traditional project delivery model. In the past the bank would typically undertake a substantial portion of the design and construction aspects themselves when developing a new facility. This programme differs in that it is completely outsourced to independent supply partners who take on the full risk of delivering the finished product to ABSA Bank. Profica is one of the selected design and build partners to undertake the programme. Within this design & build model, Profica will hand over more than 60 separate projects by the end of 2017. The ABSA Bank project is a significant expansion from Profica’s core services in that the company has
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predominantly focused on project and development management services. The ABSA Bank project encompasses the company’s full design & build capability. Profica has assembled a specialist team to provide flexibility and the right expertise required to deliver each project, from concept design through to full construction and fit-out.
Interface with the client’s team has been paramount to the project’s success The delivery timeframes for the project are challenging and the interface with the client’s
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Project: ABSA Bank Client Facing Network Programme
team has been paramount to the success of Profica’s delivery capability so far. A new build site is completed within four to eight weeks, while a refresh site takes no longer than four days. By November 2016, Profica had already successfully delivered five primary sites, including projects in Kwa-Zulu Natal, Mafikeng, Tshwane and Gauteng. Umlazi Megacity in Kwa-Zulu Natal was one of the first projects handed over in May 2016 and ABSA Bank’s flagship branch at OR Tambo airport followed at the beginning of September 2016. Profica understands the nature of running a capital programme, which comes with unique complexities
associated with having to hit the ground running in different regions simultaneously. Also challenging is adapting to the requirements of the client’s various internal direct suppliers, such as those associated with security and IT services and the necessary interface with the various landlords and building owners. Within the first four projects that have been delivered, Profica experienced a healthy learning curve during its interactions with the client, which included being able to interpret the client’s needs and develop a good working relationship. Profica has found its rhythm and is positioned to effectively deliver the programme during 2017.
More about Profica Profica has provided property and construction solutions for over a decade and was rated the top project management company in South Africa by PMR.africa for the fourth time in 2016. Headquartered in Johannesburg, with offices in Nigeria, Ghana and Kenya, Profica offers strong service capability throughout Africa, with teams across the continent to ensure localised solutions. With a focus on customer service and value creation, Profica is passionate about providing customers with value-added outcomes and an optimum return on their investment. The goal is not only to deliver results, but to have clients who are 100% satisfied. This is made possible through Profica’s entrepreneurial culture, complemented by a team of people who have excellent, world-class skills and a can-do attitude.
Profica T +27 (0)11 234 5828 E info@profica.co.za W www.profica.co.za
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Editorial: Building with Shipping Containers
Surprises in boxes – upcycling with a difference By Gareth Griffiths Shipping containers come in 6m and 12m lengths and in recent times have found some astonishing uses, besides the obvious shipping usage. The use of containers for habitation is by no means a new concept, but in recent times has moved beyond the site office or materials storage utility.
A 2 400m² shopping centre, known as 27 Boxes, was built in Melville in the Faan Smit Park between 3rd and 4th Avenue, a stone’s throw from the suburb’s popular 7th Street. It consists of 78 shops and 200 underground parking bays. Arthur Blake, the former co-managing director of developers, Citiq Property Development, explained the concept to an attentive audience at the Smart Build Conference in Cape Town in early 2016. Blake started the design of the project by using small scale wooden models of containers. ‘These were placed together to achieve the optimum design, then photographed and put into design software so that architectural drawings could be produced’, he explains. The shopping centre was launched in the middle of 2015 and by all accounts has been a huge success.
Photo by Gareth Griffiths
Shopping centres and significant savings
Container meeting room – concept by Inhouse Brand Architects for ad agency 99c in Cape Town.
‘Building with containers speeds up the construction process by 65% and results in a 15-20% lower cost than with bricks and mortar’ adds Blake. Since developers rarely use new containers, the carbon footprint of a new building made using containers is significantly lower. Blake points to the following benefits, apart from time saving and construction cost: • Significant saving in materials – sand, stone, cement, water, reinforcing and bricks
Photo by Arthur Blake
27 Boxes Mall
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Photo by First National Bank
Editorial: Building with Shipping Containers
Container bank
• Large saving in energy used on site • Project ROI kicks in at a much earlier stage and when capitalized over 20 years is a significant advantage. Citiq was the driving force behind an incredible 75-bed student hostel built in Brixton, Johannesburg, dubbed the Umhlanga Junction Extension. The project was completed within 65 days – saving significant time and money and providing much needed accommodation to many university students. Umhlanga Junction Extension boasts six floors, each with single and double accommodation. There is also a communal kitchen and dining area, lounge, games room and laundry. Passive measures to assist indoor climate control include double-glazing to the windows. This also aids energy efficiency, as does hot water supply from heat pumps and motion-sensor energy-efficient lighting inside. Another Citiq container housing project was the Windsor in Johannesburg, by Jika Properties. This is a 15-unit complex taking just 102 days to turnkey completion. A hybrid conventional container-type student accommodation project took just four days for the stacking of containers to provide the final four storeys on top of the Mill Junction Silo Student residence complex in Newtown Johannesburg. However, the base of the building, including the renovation of the original silo into habitable space, pushed the project duration to just over a year. Earlier in 2016, First National Bank proudly introduced innovative new mobile banking units designed to extend banking services to unbanked rural communities. Unveiled as another first for South Africa, the bank’ s designers have repurposed a humble shipping container by equipping it with stateof-the-art banking infrastructure, such as an ATM, ADT (automated deposits) and teller services.
Cargotechture
Blake argues that containers provide a highly accessible, time saving solution to the building and expansion of ‘instant cities’. Globally, three billion people are already residing in cities and 1 billion of
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A store inside 27 Boxes
these live below the poverty line. Increasingly however, the nettle has been grasped and many container developments have taken place in diverse locations such as Christchurch, Keetwonen (Netherlands), Chile, Dallas (and other USA locations) and Queensland. In Australia, the word ‘cargotechture’ was developed with reference to such building methods. The building of container-based homes has not been without controversy. A delightful anecdote comes out of the Queensland Sunshine Coast, where a local architect in Buddina submitted plans for the construction of his ‘Beach Box Buddina’ in a prime residential area. There was vehement opposition to the concept, but this did not deter him and ultimately a hugely upmarket home emerged in the suburb. This home went on to win at the Australian Institute of Architects’ 2014 Queensland Regional Architecture Awards. (See our article on House Gibson, an ecohome in Noordhoek in this edition of SA Building Review)
Approval and other details
Approval of plans by local authorities can be a complex process, according to Blake, especially where the experience of town building authorities has been limited. Blake suggests that a steady education process, patience and the adherence to rational design principles can prove successful in negotiating this potential minefield. Financing of container construction projects by the conventional banks can be a problem, admits Blake. “This is a hard nut to crack, but we are making headway with them”, he adds.
Additional green benefits
According to Blake, the average 12 metre container weighs 5 300kg, but due to the structural strength of the frame it can support up to 25 000kg. The metal substrate easily allows for green building features. For example, a simple green roof may be created on top of a container building - a feature that can be planted while at the same time act as a thermal barrier. Blake has his eye on further potential urban renewal projects involving containers in Newtown, including the renewal of old existing silos.
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Advertorial: Quick-Step Instant Staircases
‌when beauty and simplicity connect Established in 2005, Quick-Step Instant Staircases services the whole of South Africa and is renowned for unique, unsurpassed precast staircase designs, combined with an unparalleled one-day professional staircase installation process.
As the only company directly involved in the design concept, manufacture and installation mastery of any access or feature staircase, floating shelves and related products, Quick-Step offers professional advice and service excellence to Architects, Engineers, Builders and clients. We concentrate on the elimination of floor space waste, whilst creating unique, everlasting and innovative staircase designs to bridge vertical distances within highly reduced time frames.
Due to the heightened popularity and demand for our Cantilever and Floating Staircase range, Quick-Step also offers the custom design, manufacture and installation of matching precast Cantilever and Floating Shelves. Finishes may include Sandblasting, Polished Concrete, our versatile Concrete Screed for an off-shutter concrete look, Stainless Steel Tread Nosing Inserts or Integrated Coloured Glass Chips to create an extraordinary impression on any staircase, shelf or floating slab.
Although conventional staircase layouts form part our ever-expanding product range, we specialise in precast concrete Feature, Designer, Cantilever, Floating and Zigzag Profile Staircases. During manufacture, the choice of high illumination, low power usage LED lighting channel inserts, stainless steel tread nosing inserts or chamfered tread nosing, remain popular options to enhance the visual effect of any staircase design.
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‌when beauty and simplicity connect
QUICK-STEP Instant Staircases T +27 (0) 82 056 2890 / +27 (0) 82 807 2190 E info@quickstepstair.co.za W www.quickstepstair.co.za
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Project: House Gibson
Off the grid – and in a box By Gareth Griffiths Located close to Lake Michelle, an ecologically sensitive wetland in the NoordhoekFish Hoek Valley of Cape Town, House Gibson is an unravelling work in progress – a work that uses the concepts of upcycling and green building development. Lake Michelle is an important part of the Noordhoek wetland in Cape Town’s far southern suburbs. It is home to indigenous birds, while also playing a vital role in maintaining a healthy water table to the benefit of all residents of the valley. Designed by Port Alfred-based senior architectural technologist, Derek Jacobs (Dynamic Designs), the house certainly breaks new ground in terms of its bold execution.
Mike and Leesyl Gibson inside their container home.
Living room space in between container stacks. Note conventional brick wall at rear and temporary spiral staircase.
Owner-builders, Mike and Leesyl Gibson, have been working and staying on site since 2015, assisted by a skilled artisan and experienced sub-contractors since the initial delivery of eight used shipping containers that took place earlier that same year. Based on eight high cube dimension shipping containers, each measuring 12m x 2.35m x 2.7m, a large interior space has been made available for living, including a garage-cum-workroom. All in all, the site area covers 344m2. The containers are arranged in twin 2x2 stacked clusters which are placed approximately 5m apart. In the space between the twin container stacks there is a central kitchen/scullery/living room area based on conventional strip foundations. A temporary spiral staircase leads to the upper floor. This will later be replaced by a conventional staircase. The individual containers at the bottom of the stacks rest on six
400 x 400 x 500 concrete pads as per engineers specifications.
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Harvesting solar power and water
Each aspect of the building is covered by a flat 10° pitch alu-zinc steel roof used to harvest solar energy (PV panels) and rain water. Fashioned in the style of an Australian skillion roof, but with less pitch, this feature also serves to both shade and ventilate the roof spaces of the containers underneath. This, along with the extensive use of Isotherm green insulation in the ceiling and in the wall cladding, ensures a comfortable indoor climate. The property is completely off the electricity grid. It currently boasts 10 PV panels generating 250w each (2500w max at optimal output). The roof space allows the conduit and cables to run to the workshop where a 48-volt inverter system is operated. This is sufficient
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Project: House Gibson
build and time saving. It is not as labour intensive as conventional methods and House Gibson is a great case study as Mike and a couple of helpers are building their home’, says designer, Derek Jacobs.
No disguise
Mike Gibson in his workshop area – note the inverter and PV control panels
to meet the households needs at present and to operate the smaller of the power tools used on site. For the rest, a portable generator is available when needed.
Cost effective and time saving
Mike Gibson is pleased with his progress to date. Unsupported by conventional loan finance, the home has been built as funds become available. To date, Mike admits that costs have been almost 50% lower per square metre than conventional building costs. However, much of the finishing is yet to be done, so these additional costs could alter the comparison slightly. ‘Containers have great potential as they can be altered to suit your design requirements. They have great structural qualities. So with the Gibson property sited in a wetland area, the use of containers would not lead to any cracking due to unstable soil movement. It is a very cost effective way to
An interesting decision taken by the owners has been to not disguise the origins of their home. Hence much of the original container finish has been left intact, including some of the signage from the operating shipping lines. While some of container wall panels have been cut away (the strength of each unit comes from its corners), this steel will also be recycled into other forms of cladding to be used elsewhere on the property. Mike has been ably assisted by plumber, Devon Mackay of Devco Certified Plumbing Services, who both designed and skilfully installed a gas-fired water heating system that more than meets the needs of the home. He will shortly also apply his skill to a rain water harvesting and grey water system. This is very appropriate given the level 3 water restrictions that the Cape Town Metropole is experiencing at the time of writing. Home designer, Derek Jacobs, can be contacted on +27 (0)82 5575 362 or email dynamicd@border.co.za
Gareth Griffiths is editor of To Build magazine and a materials scientist with a special interest in the built environment. The writer thanks the Gibsons and Derek Jacobs for sharing their story and designs with SA Building Review.
Above: Detail: Room under construction. Note the joining of the containers with the steel lintel using conventional roof truss racing methodology. Right: View of the home from the back garden – note the stack of containers and the finished eaves. Custom made cladding covers the spaces between the upper and lower containers.
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Editorial: Samsung DVM Climate Control System
From the Kruger to the Cape – DVM eco-friendliness spreads across South Africa From skyscrapers to shopping centres, colleges to churches, luxury lodges to Government buildings, Samsung’s ultra-efficient DVM unit is fast becoming the climate control system of choice. Samsung‘s Dual Smart Inverter with vapour injection is setting new standards for efficiency in the HVAC industry. With fully-variable compressor, enhanced wireless commissioning with S Checker, heat recovery system and world-class capacity in a highly compact package, Samsung’s DVM system is increasingly specified by South Africa’s top consulting engineers.
Singita: Maximum Kruger luxury with minimum electrical usage Singita Lebombo Lodge, located on the banks of the N’wanetsi River, is one of the most exclusive lodges in the Kruger Park. With 21 luxurious glass-enclosed units overlooking the river, this Afro-chic lodge is a paradise patronised by film stars and royalty. With ambient temperatures reaching up to 54°C in summer, a very special air-conditioning solution was called for. Separate Samsung DVM S units with 28kW ducted indoor units were installed in each of the 18 individual lodges. The result, a virtually soundless air-conditioning, exponentially increasing the comfort level along with guest satisfaction. After final installation, the overall power utilisation of the DVM S units was checked by an electrical engineer. To his astonishment he found that the units were saving 60% of the power previously allocated to air-conditioning of the entire lodge.
The Department of Education building in Braamfontein
The Department of Education modernises with DVM
Singita Lebombo Lodge, on the banks of the N’wanetsi River
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When the old chilled water system in the Department of Education building in Braamfontein started showing its age, a brand-new energy-efficient system was specified: Samsung DVM S units with heat recovery. A total of 20 outdoor DVM S units were installed on the roof, supplying 742kW of indoor capacity via 88 Samsung 4-way cassettes. This will also allow flexibility for future tenants of the building if the Department relocates in future.
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Editorial: Samsung DVM Climate Control System
A Vulintaba hotel bedroom fitted with a Samsung 4-way cassette
Vulintaba Country Hotel
Top-class air-conditioning for a top-class hotel
separate outdoor units, ensuring maximum guest comfort.
Vulintaba Country Hotel, part of the lifestyle development, Vulintaba Country Estate, is a top-class establishment near Newcastle with 69 rooms as well as conference facilities catering for up to 400 people, and a wedding chapel with 120 seats. Two DVM S units for the lower ground floor were coupled to 16 4-way Samsung cassettes, while climate control of the ground floor called for two DVM S outdoor units feeding five Samsung 4-way cassettes. Another DVM S outdoor unit linked to four Samsung 4-way cassettes took care of the first floor and in the chapel, one AM100 DVM S outdoor unit was linked to 4-way cassettes. Each of the 69 rooms has its own Samsung 12 000 inverter compact cassette with
V&A Waterfront: Five projects with heat-recovery ensure 1400 kW of heating and cooling capacity Tasked with replacing existing rusted equipment with Samsung units, Fourways Cape was selected as suppliers by Spoormaker Mechanical Engineers at five different projects in the famous V&A Waterfront site in Cape Town. This included at Standard Bank, Tour de Brasserie and the Lusitania offices in the harbour. Samsung DVM S heat-recovery units were used in this ongoing project with a total of 1400kW heating and cooling capacity installed to date.
The V&A Waterfront in Cape Town
Fourways Air-Conditioning T +27 (0)11 704 6320 E sales@fourwaysaircon.co.za W www.fourwaysaircon.co.za
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Advertorial: Property Valuation
Increasing confidence in South African property valuation The Royal Institution of Chartered Surveyors (RICS) has developed a regulatory monitoring initiative, known as Valuer Registration (VR), to ensure the consistent application worldwide of RICS Valuation Standards, also known as the RED BOOK valuation standards. To ensure globally consistent standards in valuation, the institution publishes the RED BOOK valuation standards which are mandatory for RICS professionals and RICS regulated firms and apply the requirements of international valuation standards. Implemented as a mandatory scheme for all RICS members undertaking valuations in the UK, Netherlands, France, United Arab Emirates, Caiman Islands and Hong Kong, RICS Valuer Registration was launched in June 2016, and on a voluntary basis for any RICS valuer practicing in South Africa. RICS Valuer Registration will become mandatory for all member valuers working in the field in South Africa from 1 February 2017. ‘The Valuer Registration scheme sets out an approach to raise confidence in the delivery of valuation advice and reinforce the highest professional standards in property valuation - a key component underpinning most economic activity,’ says TC Chetty, country manager for RICS South Africa. ‘RICS’ main objective with this initiative is to reinforce the quality and accuracy of valuations while raising consumer confidence in the profession and, through effective regulation, minimising the risk associated with property valuations.’ Valuer Registration provides regulators, lenders, asset managers and investors in the market with a
clearly identifiable designation for the best regulated and qualified valuation professionals. Making this mandatory in South Africa from 1 February 2017 will reinforce transparency and enhance market confidence. While RICS members are regulated, registered valuers are subject to a specific monitoring that begins as soon as members sign up for Valuer Registration. An automatic risk score is established for the individual member and should any risks come to light, RICS will conduct further enquiry, including checking information against RED BOOK requirements, processes and audit trails that the Registered Valuer has in place. Claire Everatt, head of valuations at Eris Property Group says: ‘The South African valuation industry has made good progress in the implementation of global valuation standards in recent years but, as valuers, we are more accountable than ever. The additional transparency that VR seeks to offer is vital in ensuring that we continue on this trajectory towards international best practice.” In line with valuer registration being made mandatory for South African valuation professionals, RICS South Africa provided additional information webinars and half-day technical workshops during October and November 2016.
About RICS RICS promotes and enforces the highest professional qualifications and standards in the development and management of land, real estate, construction and infrastructure. Our name promises the consistent delivery of standards – bringing confidence to the markets we serve. We accredit 118,000 professionals and any individual or firm registered with RICS is subject to our quality assurance. With offices covering the major political and financial centres of the world, our market presence means we are ideally placed to influence policy and embed professional standards. We work at a cross-governmental level, delivering international standards that will support a safe and vibrant marketplace in land, real estate, construction and infrastructure, for the benefit of all.
Royal Institution of Chartered Surveyors T +27 (0)11 467 2857 M +27 (0)83 288 6998 E handrews@rics.org
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Editorial: Floor Coverings
How to transform a concrete floor into a personalised floor covering Concrete no longer means dull or boring grey. Instead, decorative screed overlays are available in a range of colours and finishes, including matt, satin, polished or textured, to create personalised designs. Concrete floors are a popular because of the trend in interior design for a minimalist, industrial look. This look is combined with the upcycling of natural products, such as stone and wood. It includes bare concrete and screed finishes, as well as seamless floors with homogenous colours.
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The colour palette complements these modern designs, with greys taking centre stage now, especially the warmer, earthy shades of grey. Concrete floors also provide a smooth, high-strength and hardwearing floor surface that is easy to maintain and requires little maintenance.
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Editorial: Floor Coverings
‘The TAL range includes floor finishes from cementbased to epoxy, resin and urethane floors. It offers polished, decorative and seamless floor finishes for a range of applications, from industrial flooring required in warehouses, industrial workshops, retail spaces, hotels, showrooms, commercial kitchens and restaurants, to decorative seamless floor finishes in residential homes’, comments Andrew Dekker, National Operations Manager, Construction Products at TAL. Some of the floors available are best suited for larger developments that can allow access for grinding and polishing machines. They are ideal for applications exposed to heavy traffic and are available in varying combinations of base colours and aggregate finishes.
substrates must be integrally sound, with no crumbling or cracking and of a quality and consistency suitable for a topping. All damaged, defective or hollowsounding areas must be removed and the floor prepared before proceeding. Overlaying and decorative screeding should be undertaken using rapid-setting, shrinkage-compensated screeding compounds. Any large variations in floor levels should also be rectified. Maintenance is easy as these surfaces require cleaning with water only. Some applications may require resealing from time to time. To find out more about our range of decorative overlays, contact TAL who will be able to refer you to a specialist contractor.
Design possibilities are limitless
‘The design possibilities are limitless, as the finish can be delivered in made-to-order colours. It is also possible to incorporate different patterns and designs,’ Dekker explains. In instances where there is an existing concrete floor that needs to be revived or upcycled, there are several products to consider. Concrete floors can be covered with an epoxy coating to increase durability, revive the colour and improve the finish. Seamless epoxy coatings are popular for residential garages and workshops, while anti-slip granules can be cast over and anchored into the resin of the epoxy coating to create a non-slip surface around pools and hightraffic areas around the home.
Specialist contractors ensure a successful installation The application requires fully-trained specialist contractors. To ensure a successful installation, all
About TAL TAL manufactures and supplies innovative quality products to the construction industry, focusing on tile adhesives, grout, waterproofing, and construction chemicals. TAL is a division of Norcros SA. It is both ISO 9001:2008 (quality management) and ISO 14001 (environmental management) certified. TAL achieved the latter certification in May 2016, and is the first company in its industry to gain full ISO 14001 certification. This means all of TAL’s products are designed, manufactured, and tested to the latest standards, giving customers assurance that they will perform according to specification. Contact the TAL Technical Advisory Service on 0860 000 (TAL) 825 for further details, or visit www.tal.co.za for more information.
TAL Gela Ohl, Marketing Manager T +27 (0)11 206 9700 W www.tal.co.za
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Project: House DV
House DV - ‘Great design is great complexity presented via simplicity..’ When presented with the opportunity to develop House DV, Two Five Five Architects were delighted. The brief was simple – design a family home in one of South Africa’s most sought after property areas, Camps Bay. It should be functional – an all year residence with a sense of grace and elegance … a five-bedroomed wonder which should celebrate and amplify the plot of land’s magnificent views of the Twelve Apostles mountains and Camps Bay main beach. From the get-go, Two Five Five Architects took advantage of the natural slope of the property – designing a striking four-storey home which used every angle of the building to optimise the many splendid views the property affords. Throughout the house, framed windows have been placed and adjusted on site, to optimise the particular views of the Twelve Apostles Mountains and Camps Bay. The interior layout of the property was planned handin-hand with the clients – taking into consideration their taste for eccentricity. This element complemented the distinct architecture of the building. A team effort between the clients, architects, engineer
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and contractor ensured that meaningful input was considered throughout the design and construction phase, creating a more flexible and expressive environment. The client even built the kitchen and front gate themselves.
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Project: House DV
Celebrating the panoramic views
On entering the property, a bijou foyer with lower ceilings opens up to a large open space that incorporates the kitchen, dining and living rooms. This is the ‘living floor’ – an open plan design which helps to foster a more relaxed and ‘family feel’ environment, whilst the large windows celebrate the panoramic views and serve as a striking room-feature. Whilst the smaller four bedrooms were built a level down – each enjoying a spectacular view of the ocean – the main bedroom has been situated on the top floor, maximising the picturesque view and creating a sanctuary of space for the home owners – an incredible balance between the views and privacy. Another key feature of the property is the entertainment area – a ‘stoep’ and outside braai area which can be enclosed to protect it from the prevailing south-western winds. This ‘stoep’ is also connected to the swimming pool which looks out over the Atlantic ocean. The look and feel of the space is, above all, elegant – blending different shades of white and grey
throughout the house. The colours are complemented by a modern white screed floor, creating a light and airy feel. The house turns its back on the street and opens up to the magnificent view – creating a sense of privacy despite the large quantity of glazed doors and windows.
Complex designs via simplicity
House DV is an incredible example of Two Five Five Architects’ commitment to develop complex designs presented via simplicity. House DV’s design was both elegant and striking – lending itself to support rather than overwhelm the natural beauty of the property’s environment and views.
PROJECT DETAILS Client: Private Location: Camps Bay, Cape Town, Western Cape
Two Five Five Architects T +27 (0)11 482 6205/ +27 (0)21 447 2136 E info@twofivefive.co.za W www.twofivefive.co.za
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Editorial: Rocherpan Tourist Conservation Camp
Photos by Gareth Griffiths Imaging
Low water eco-footprint At the new Rocherpan tourist conservation camp on the west coast, water conservation measures leave tourists dry but not high. A haven to a multitude of bird species, the Rocherpan Nature Reserve up the West Coast of the Cape features four new accommodation units which sleep five people each, a new bird hide, upgraded picnicking facilities and an extensive network of boardwalks suitable for wheelchair access. However, these bright new facilities rather modestly conceal the striking green technologies used in their design and construction. Rocherpan itself has an interesting if not accidental history. The pan was artificially created when a local farmer in the early 1800s, Pierre Rocher, intentionally created it by diverting the flow of a local river to attract wild birds and provide a location for bird hunting parties. The vlei is located behind a large dune field, beyond which lies several kilometres of pristine coastline and unspoiled beaches. It was declared a provincial nature reserve in 1966 and incorporated into a marine reserve area in 1988. Cape Nature’s Rocherpan is a virtual mecca for bird lovers of all shapes and sizes. Cape Nature has recently thrown huge effort into the rollout of environment-friendly, high green technology accommodation and tourism facilities. Rocherpan is one of those reserves selected for the green building makeover. Four brand new cottages that accommodate up to six guests in great style were opened to the public late in 2015. This new facility was added at a cost of R9.8 million, including a host of green building features. Says
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Cape Natures PRO, Justin Lawrence: ‘All our new tourism developments are designed in such a way that we avoid and mitigate any local environmental harm, while optimising the use of green building technology. In the case of Rocherpan, the central feature of the reserve is a wetland that is home to a multitude of bird species, which means the footprint on the environment had to be very light with minimal disturbance to those birds’. Cape Nature CEO, Dr Razeena Omar says: ‘We invested heavily in upgrading Rocherpan’s tourism offering while also catering for those living with disabilities.
Drought resistant
The facility is worthy of a lengthy stay and provides a wonderful learning experience on how human beings can live in complete harmony with nature, while minimising their footprint on the earth. On arrival, the first impression is that of the use of timber. Alien species such as Port Jackson have been culled and fashioned into eye-catching fences and outdoor space dividers. The second eye-catching feature is the handling of water. All plants are drought-resistant. Visitors shortly
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Editorial: Rocherpan Tourist Conservation Camp
discover that this philosophy extends to indoors too. Toilets are designed to revolutionary waterless standards. Designed by Enviro-Loo, all waste is composted and removed off site.
Toilet talk
The bathrooms in the new chalets and the visitor toilets around the park are fitted out with Enviro Loo waterless toilets. A custom made ceramic toilet bowl stands proudly in place of a conventional bowl and cistern. Using this facility is no different to using a conventional flush toilet, except the water flush is replaced with a small sprinkle of odourless compost standing in a container next to the bowl. This is simply sprinkled down the hole using a ladle.
solid waste is dried and decomposed by stimulated bacterial and biological activity into an inoffensive dry material at 5% volume of the original black waste. The toilet systems are periodically serviced and the remaining dry by-product sent to a local authority approved disposal facility. ‘It does initially take some getting used to as people are in the habit of looking where to flush. We often get concerned clients asking how we are going to manage the smell, but they are always pleasantly surprised to find there is in fact no smell and the system works so well with air flow going through the external chimney, ’Lawrence says.
Rainwater harvesting and low carbon footprint
Despite Rocherpan being in the wetland, potable water is very scarce. At present, potable water is transported by tanker to the camp and stored in large tanks – to be used sparingly by visitors. However, rainwater harvesting has been incorporated at Rocherpan, where the captured rain water minimises the losses from piped systems and as this water is untreated, it carries a lower carbon footprint. According to Lawrence, the way it works is that rain collected off the cabin roof is filtered through rain runners and sent to a designated rainwater storage tank. From the tank the water is pumped into the cabins at approximately 4 bar of pressure and a self-regulated pump then delivers a steady supply of water on demand.
Custom made ceramic toilet bowl.
There is no odour because a negative pressure inside the system draws air down from the bathroom by means of a solar powered extractor fan system mounted on the roof. Meantime, the enviro-friendly system gets to work in breaking down the waste. A housing under the bowl separates water waste from solid waste. The liquid waste drains to the bottom while the solid waste remains on a drying plate. As the conversion process sets in, the solid waste migrates down a specially designed and sloped platform system into an external processor. Due to the constant flow of air and the heat of the sun on the external processor, both the liquid and
The cabins are designed to be virtually carbon neutral.
The cabins are designed to be virtually carbon neutral. Although grid power is used, it is minimal. Cooking is by gas. There is no air conditioning, despite it being a hot, arid area. Climate control is facilitated by insulated cladding over low thermal mass metal walls and roof extraction. There are also brise soleil fashioned from harvested alien timber above certain key windows and double glazing to reduce the ingress of sunlight.
Cape nature W www.capenature.co.za/reserves/rocherpan-nature-reserve
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Advertorial: IFA Timber
Quality wood from around the world Ian Fuller Agencies, in business for over 30 years, is South Africa’s leading stockist and supplier of quality hardwood, softwood and board from around the world, partnering with several international and local companies. Baillie Lumber
Baillie Lumber is one of North America’s largest hardwood lumber manufacturers, distributors and exporters of American Ash, Cherry, Hard Maple, Red Oak, White Oak, Black Walnut and Poplar (Tulip wood).
South American and South East Asian timber decking and boards
Ian Fuller Agencies’ relationship with the South American and South East Asian market allows us the opportunity to import the finest timber decking and boards to South Africa. These include Meranti, Balau, Garapa, Massaranduba and Plywood.
African timber
Ian Fuller Agencies also supports the local African market with a variety of hard and softwood timbers, including African Walnut, Iroko, African Mahogany, Ekki, Zambian Teak, Sapele and SA Pine.
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MDF and chipboard
Ian Fuller Agencies hold a wide variety, sizes and thicknesses of local MDF, chipboards and veneers.
HWZ International
Ian Fuller Agencies recent partnership with Europeanbased company HWZ International allows us to hold a wide variety of construction timber and products. These include: • Rough sawn spruce (S5 SATAS approved) • Spruce beams (all SATAS approved) • KVH - a structural, strength-graded timber product made from Spruce that is kiln dried and fingerjointed. It is dimensionally stable and 4-side planed and suitable for timber frame buildings and timber constructions. • Duo and Trio – this 2-3ply laminated timber (previously finger-jointed) has a better visual quality thanks to laminating of the outer side of the beam.
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Advertorial: IFA Timber
It is a premium building product which looks and feel like solid timber. Lamellas are horizontally laminated. • BSH – this multi-ply laminated, kiln dried wooden component is a modern construction material, characterised as having a high bearing capacity and very dimensionally stable. It is the ideal alternative to steel. • CLT 3-ply panels – these cross laminated timber boards consist of three layers. The middle layer is rotated by 90° relative to the outer layers. The product has an excellent visual quality and is ideal for building, construction, indoor use as well as the manufacturing of furniture. • OSB (oriented strand board) - is an engineered wood particle board formed by adding adhesives and then compressing layers of wood strands
(flakes) in specific orientations. OSB is suitable for all kinds of construction. • NOVATOP – is a complete building system with components made from large-scale crosslaminated solid timber. Individual components are characterised by high strength and stability in the compressive stress, tension and exceptional static strength. It can be applied to walls, ceilings and roofs. • PAVATEX – specialising in the manufacture of high quality wood fibre insulation products for the building industry, Pavatex offers outstanding insulation solutions for renovating and new projects. Pavatex is eco-friendly, sustainable and easy to install. • FERMACELL - Fermacell GmbH produces and distributes high-quality building materials for the dry lining boards market. In Germany Fermacell is the market leader in gypsum fibreboards.
Ian Fuller Agencies T +27 (0)11 610 1700 C +27 (0)84 459 7788 E gareth.hare@ifatimber.co.za enquiries@ifatimber.co.za
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VOLUME 5 | 2017
advertisers’ index A.SHAK Epoxerite......................................... 108,109 AMS.................................................................... 157 Antley Lighting.................................................... 136 Arcelor Mittal................................................... 44,45 Atlas Plastics................................................ 100,101 Aveng Infraset............................................. 108,109 Belgotex Floor Coverings...................................... 13 Bitgroup.................................................................. 1 Bluescope Steel SA............................................... 29 Boomgate Systems.............................................. 27 Builders Warehouse............................................ 115 Ceramic Wholesalers.................................. 140,141 Claybrick Association......................................... 104 Columbus.......................................................... 178 Concrete Manufacturers Association................. 120 Contract Group of Copmpanies................ 150,151 Copper Development Association.............. 160,161 Decorex............................................................. 164 Defy Appliances................................................... 71 Den Braven Sealants................................... 106,107 Eagle Lighting.................................................... 114 Egoli Gas............................................................ 144 Fourways Airconditioning........................................ 5 Franke Kitchens SA................................ 20,21,22,23 GB Architects...................................................... 153 Geberit SA........................................ 59,60,61,62,63 Giant Engineering................................................ 82 Hillaldam Sliding Door Systems........................... 180 Ian Fuller Agencies............................... 174,175,176 Institute for Timber Construction South Africa...................................................... 116 JSS Industrial Coatings........................................ 122 LCP Roofing......................................................... 89 Liebherr Appliances............................................... 7 Lumotech....................................................... 96,97 Mapei........................................................... 72,141 Maxiflex Door Systems.......................................... 70
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Metraclark....................................................... 9,171 Mitek Industries............................ 76,77,78,79,80,81 Nouwens Carpets............................................... 183 Numatic International........................................ 145 Pelican Systems................................................. 121 Prism Architects.................................................. 179 Quick-Step Instant Staircases............................. 149 Redisa.................................................................. 52 Renico Construction........................................... 123 Rentokil Initial................................................... 74,75 Robert Bosch Power Tools..................................... 31 Royal Institute of Chartered Accountants............................................. 162,163 Saint Gobain Isover......................................... 84,85 Saint Gobain Norton............................................. 11 Saint Gobain Weber............................................. 49 Sika ............................................................ 91,92,93 Silicone & Technical Products............................ 119 Solar Africa........................................... 127,128,129 Solar Ray............................................................ 156 South African Wood Preserves Association.......................................... 38,39,40,41 Speck Pumps South Africa................................. 137 Spunchem......................................................... 132 Stronghold Fire Protection.................................. 178 Style DĂŠcor......................................................... 148 The Association of Architectural Aluminium Manufacturers............................................... 34,35 The Federated Employers Mutual Assurance Company.................................... 26,65 Tile Africa............................................................ 167 Uretek................................................................. 133 Vaal Sanitaryware................. 37,43,58,152,170,177 Waterways.......................................................... 126
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