August - September 2013 Issue

August / September 2013

Insight Magazine

Eskom’s Ingula Pumped Storage Scheme Project on track

R30.00 Inc VAT

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• THE NEW LANDMARK CELL C HEAD OFFICE • SANDTON’S NEW ALICE LANE VIRGIN ACTIVE Page 1 2013/08/13 3:10 PM

WATER

ENERGY GENERATION

ENERGY EFFICIENCY

Rain water harvesting alone will reduce

Standard Bank Rosebank’s tri-generation plant is South Africa’s second and, at a production capacity of of energy, it will significantly reduce the building’s carbon footprint.

The building’s lighting syste

water demand by up to

50%.

1MW

4 500

connects the lu to a central computer, enab to be re-configured without fittings.

Standard Bank Rosebank 65 000m2 building has been awarded a

Five StarGreenstar Design Rating by the Green Building Council of South Africa...

ARCHITECTURE The facility consists of

2 large footprint buildings of 9 and 11 floors over 5 super-basement

levels, standing east and west of a central

multi-volume atrium extending the flow of Page 2 the public piazza.

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LANDSCAPING

FAÇADE

Urban garden the size of a rugby

The glass curtain wall s covers more than 65% of external surfaces of the bu an 12 500m² - equivalen tennis courts.

field with 420 trees,

indigenous flower gardens,

and lawn areas created on a super-basement above five floors of parking.

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FICIENCY

ghting system,

4 500 luminaires

mputer, enabling lighting ured without re-wiring

MATERIALS Over 60% of the building’s steel has more than 90% post-consumer recycled content, massively reducing the embodied energy.

50% of all timber has been sourced

INDOOR ENVIRONMENTAL QUALITY

5

50% daylight illuminance of at least

250 Lux is achieved for

95% of the office area, while

daylight glare is reduced for 80% of standard working hours.

from Forest Stewardship Councilcertified suppliers.

rtain wall system

han 65% of the vertical ces of the building. It has ² - equivalent to 50

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AIR-CONDITIONING

LIFTS AND ESCALATORS

The system uses a mix of air cooled chillers to reduce dependency on water.

The building has the ability to manage lift and escalator trips to ensure passengers move through the building in the most efficient

manner, utilising 15 lifts and Page 3 30 escalators.

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Construction

InsightAugust/September2013 6

6 10 15 18 20 22

36 Cell C New Head Office Campus Standard Bank showcases its new green-rated building in Rosebank, Johannesburg After a long delay Roggebaai Place Development gets completed New intelligent building procurement model in SA financial services sector ITowers Development Botswana’s First Department of Environmental Affairs to relocate to its new headquarters in 2014

26

Virgin Active Alice Lane

28

ALW Estates, New Atholl Towers Phase 2

30

Moruleng Mall set to open in October

31 34 36 40

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In Association with Rotec Industries and the Department of Water Affairs With time-efficient manufacturing and innovative design, Inside Group’s Aquapod was integral to making the 880 bed Obz Square student residence possible Ingula Pumped Storage Scheme Project GIBB, making steady progress on the region’s largest hydropower project

44 46 48 49 50

Morris joins forces with CMI-JV at Ingula Pumped Water Storage System George Stott’s Involvement in Namakwa Sands Expansion Project Mauritania to receive the Shaikh Zayed Solar Power Plant Sasol Pension Fund and Alchemy Properties Partner to provide a New Office for Sasol in Sandton New Distribution Centre for Illovo Sugar in Pietermaritzburg

54

Ngodwana Mill Expansion Well on Track

60

Keetmanshoop Shopping Centre well on track

Editor – Paul Simbeye Advertisement & Sales – Michael Sichinga, Caroline Moonga, Aaron Mule, Patrice Fraser, Nathan Gordon Administration & Subscription – Ireen Chundu Project Co-ordinator – Alick Sichinga

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Cell C New Head Office Campus South African cellular operator Cell C is in the midst of building a new 45 000m2 campus on a prime location to integrate its disparate offices located across Johannesburg – the end product will be a fine example of contemporary contextual architecture

T

he new facility will house Cell C’s head office, a national network operations centre (NOC), a customer walk-in centre and a distribution warehouse. It will stand at the confluence of the N1 and the N3 freeways near Woodmead, about 2km south of Midrand, on currently vacant land diagonally opposite TopTV’s head office across the Buccleuch interchange.

The brief was to consolidate Cell C’s various operations into one cohesive and well-designed campus, taking into account the excellent visibility, access and natural amenities that were inherent to the site. The scope began with an in-depth site

analysis and master-planning exercise to make optimal use of the strong sight-lines from the highway, the natural contours of the site and the sensitive wetland adjacent to the site explains Luke Chandler, design architect of Bentel Associates.

Chandler says that the inspiration for the design was the site.

“The visibility from the highway, as well as its close proximity to arterial roads and the financial hubs of Sandton, Pretoria and Johannesburg are great attributes.”

“We try to ensure that we always design with an in-depth understanding of the site and its context. The first thing we

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do is analyse the site, assess its strengths and weaknesses, and make sure that we design to its strengths,” he says.

of the largest property deals, in both size and value, to be concluded in South Africa.

“We were required to accommodate four components in one cohesive master plan; a main office campus of 23 000m2; a walk-in Customer Care Centre (with a Cell C ‘museum’) and Repair Centre of 5 000m2; a Network Management Centre of 2 200m2 and a main Distribution Warehouse of 14 000m2 (designed by the JV architects Empowered Spaces). Aesthetically, the campus has been broken up into ‘ribs’, adding rhythm and repetition to the buildings. To create further cohesion and tie the four components together, we used a generous landscaped pedestrian boulevard that weaves its way past each component and makes the overall development a lush, green, and pedestrian friendly environment while tying all the components together,” Chandler explains.

“The site was a unique aspect of the property and most certainly a challenge,” says Chandler, adding that one of the most notable aspects of this project is the incredible speed at which this deal with Cell C was concluded, and further to that, the incredible speed at which they are required to complete the project – Cell C will take occupation in December 2013.

A number of technology companies, including Oracle and Nashua, already have offices in the Buccleuch interchange area, which is centrally located between Johannesburg and Pretoria, with a freeway to the east leading to OR Tambo International airport. The new Cell C campus will form part of the multibillion-rand Waterfall Business Estate development, which straddles the N1 between the Buccleuch interchange and Midrand’s Allandale Road. Atterbury Properties secured exclusive commercial and business development rights for the site in 2008. The Waterfall development will consist of approximately 1.6 million m2 of bulk, including retail, commercial and residential projects. The overall private deal, orchestrated and concluded by Atterbury, is said to be one

In designing the main office campus, the architect used the natural slope on the site and created a platform that protrudes from the natural ground level and places the building on a podium, giving it maximum exposure to the highway. The strongest design elements of the offices are arguably the three main landscaped courtyards that run through the spine of the building. The office wraps around these courtyards to form a perimeter building.

These courtyards have a number of advantages that not only employ passive sustainability initiatives, but also create a more pleasant working environment. They fill the buildings with natural light; they create a private and recreational environment for employees; they allow for solar protection, cross ventilation and passive cooling to the building; and they ensure that all employees are closely connected to nature and green space.

By consolidating the various components of the business into a central campus within the region of 3000 employees, Cell C will achieve vastly improved efficiencies, meaning less waste in terms of, among others, transport and man hours.

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“Furthermore, we are adjacent to a sensitive and preserved wetland, which has not been looked after but could be an incredible natural amenity to the site. From the start, we wanted to rehabilitate this wetland and make it integral to the development. As such, the master plan proposes a seamless link between the wetland and the development and pulls people into the wetland with walking paths, running tracks and view sites,” says Chandler.

Dealing with the highway on the western edge was also quite a challenge. The architect had to ensure maximum exposure to the highway but also protect the building from the harsh western light as well as the noise and pollution.

This is where the courtyards came from. “We want to create a healthy working environment and increase productivity, therefore most areas in the building have a connection to the outdoors,” he says.

Cell C CEO, Alan Knott-Craig, was intimately involved in forming the brief and refining the design, and as Chandler

points out, Cell C was quite specific about its needs, including maximising the visibility of the main office campus. Thus, instead of sinking a basement into ground, a semi-basement was designed, allowing the building to sit proud above the site on top of it like on a podium, a fitting setting for the bold and contemporary architectural treatment. Chandler says that the speed at which everything has happened with the project has been impressive. “Within two months of concluding the deal, the earthworks were complete,” he notes before laughing, “It took two weeks to design the main office building. At a meeting with Knott-Craig, we said that we would need an additional three weeks to design the customer care centre. He replied, “Well, you’ve got the weekend.” I didn’t sleep much that weekend but we got it done and he was very happy with what we brought back to him. Our inspiration is to create a modern building that considers its site and takes advantage of its natural surroundings instead of ignoring them – once complete I believe that we will have achieved this,” concludes Chandler.

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Standard Bank showcases its new green-rated building in Rosebank, Johannesburg

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Sustainable approach in building design and construction as Standard Bank Rosebank is complete

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S

tandard Bank’s new office complex in Rosebank is set to drive growth and development in this fast emerging and developing business hub.

The new 65 000m² building, currently referred to as Standard Bank Rosebank, has been awarded a five-star design rating by the Green Building Council of South Africa.

A four-star rating was targeted and Standard Bank is still on track to achieve this in terms of the final As Built certification. The Rosebank building was completed in May 2013, which is when the first of approximately 5,000 clientfacing staff started occupying the premises in a phased-in relocation process.

Built on land that had been used for business purposes before, Standard Bank Rosebank consists of two footprint buildings of nine and eleven floors, standing east and west of a central multi-volume atrium and on top of five superbasement levels.

“Rosebank is turning into one of Johannesburg’s fastest growing development nodes and the completion of Standard Bank Rosebank marks another milestone, talking to investment that has happened in property developments

in Rosebank in recent years,” says Mr Stewart Shaw-Taylor, Head CIB Real Estate, Standard Bank.

Standard Bank’s head office will remain in the Johannesburg CBD complex which houses 15 500 employees and occupies approximately 200 000sqm. The Rosebank building will allow Standard Bank to consolidate all head office business units in the CBD complex, its Constantia Valley Office Park and the Rosebank building. Currently these business units are disbursed in numerous buildings within the CBD and other decentralised nodes. Other benefits of this three node campus strategy are the elimination of concentration risk in one location and enhanced business continuity in the event of problems experienced at any one of the nodes.

According to Mr Shaw-Taylor:“It made better economic sense to build new offices in line with our growing requirements and thereby eliminate rental costs for buildings that are leased by Standard Bank. It also made good business sense to build in a suburban location closer to our large clients who had moved out of the CBD and into the Rosebank and surrounding areas.

Adding capacity outside the CBD would reduce Standard Bank’s concentration risk.”

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“Standard Bank’s new offices in Rosebank are a physical manifestation of the sustainability we aim for at every level of our business.”

The Rosebank building incorporates energy demands with seamless technology aimed at balancing an effective working environment and reducing carbon footprint.

“Sustainability is a holistic approach,” Mr Shaw-Taylor says.

“So, we are particularly pleased that everything we’ve done at Standard Bank Rosebank contributes to the creation of a sustainable environment, both internally and externally, for staff, as well as for visitors and for the public use park area.”

Standard Bank Rosebank building uses a gas powered tri-generation plant, South Africa’s second, to produce the energy for base load lighting, heating, and cooling. Massive triple-glazed curtain walls covering an area equivalent to 50 tennis courts clad the exterior of the building, ensuring optimal use of natural light – and providing employees and visiting clients with spectacular external views.

The building’s highest parking level is the foundation for one of Johannesburg’s largest corporate gardens. Incorporating a long water feature and 422 indigenous trees, the gardens reinforce Rosebank’s reputation as an urban forest. In addition, the building makes use of water ingress into the basements, from the high water table, for the gardens.

Energy efficient lighting and an intelligent lighting system that automates the dimming and switching off of lights according

to the availability of natural light and office occupancy will enable the building to save energy and reduce its carbon footprint. A digital addressable lighting interface (DALI) system enables automation of the maintenance of the lighting system, reducing the time needed to replace luminaires and monitor lighting levels and energy usage.

Water will be conserved through the use of water efficient fittings in the bathrooms, kitchens and catering facilities as well as air-chilled cooling systems. Harvesting of rain water from the roofs for use in the gardens will reduce the building’s demand for potable water by 50%.

Facilities have been dedicated to the recycling of office, kitchen, and catering waste.

Twenty percent of all materials used in construction of the building and in all furnishings and fittings have been sourced from less than 400 kms away in order to reduce the amount of fuel used to transport them to site. Even the escalators and lifts have been designed to reduce energy usage and make passenger traffic more efficient.

Rosebank is easily one of the most accessible areas in Johannesburg, through the completion of the Gautrain link, taxis, highways and its prime position.

“Today Rosebank stands out as one of the most thriving development nodes in Johannesburg, and the third highrise business district after Sandton and the inner-city of Johannesburg,” says Mr Shaw Taylor.

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After a long delay Roggebaai Place Development gets completed I

n 2009 the global recession coupled with the believed withdrawal of the building’s anchor tenant resulted in an incomplete structure of two storey’s being built on site. The scheme that was then named Roggebaai Square had stalled, rendering one of the prime parcels of land on the foreshore of the Cape Town CBD unable to reach its potential.

In December 2012 that changed, falcon projects – the contractor working on both the current and failed schemes- is hard at work completing what they did not get the chance to complete a few years ago.

A crane has been erected on site, and builders have already near –doubled the height of the structure that has occupied the site for years.

A new scheme is deserving of a new name, hence Roggebaai Place was born. It will be significantly different to the building that was previously due to occupy the site, with numerous design changes and an extra floor having been added to it, bringing the total of floor count to 14. A Double –volume ground floor will welcome guests into the entrance lobby, with retail space opening up onto the square, which is surrounded

by hotels and office spaces and is close to the Cape Town International Convention Centre.

The 14-storey office block will be highly visible addition to the Foreshore’s fast expanding skyline. Will have six levels of parking easy access to the N1 and N2 motorways and 24/7 security with controlled access.

Strategically located on the Foreshore, the financial district of the CBD, the multi-million rand development is surrounded by building housing some of the country’s corporate giants including, Vodacom, Investec, Edward Nathan Sonnenbergs (ENS), Webber Wentzel, ABSA and Metropolitan amongst others.

The location affords the tenants of Roggebaai Place sweeping views of the CBD, the mountain and of Table Bay harbour.

The modern facade of the building will be composed of glass, steel and concrete finishes, creating an overall effect of a corporate building that befits the premier global business destination of the Cape Town CBD. The ground floor of Roggebaai Place will house retail space, which will lead onto Roggebaai Square. “This mixed-use

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consideration in the design of the building is in keeping with trends of world-class functioning cities that recognise the need for a building to serve multiple purposes, especially at ground floor level which are the spaces that commuters and inhabitants of a city interact with the most.

The development is being constructed at an estimated cost of R285 million.

Tel: (011) 681-8888 Schindler (SA) (PTY) Ltd Head-Office 27 Hippo Road Springfield Johannesburg 2190

2012 Diamond Arrow award for Best Consulting Electrical Engineers

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New intelligent building procurement model in SA financial services sector C

orporate South Africa is seeing a move to a new engagement/procurement model around the role of IT and facilities in real estate developments, according to

Bradley Hemphill, Director of EES, an ISO 9000 professional engineering and management company.

“Our work with the financial services sector in particular indicates that provision for intelligent infrastructure is increasingly being made right from the word go during the

design phases of the new headquarters of some of South Africa’s leading financial institutions,” says Hemphill.

EES is providing the consultancy for the intelligent infrastructure of the new corporate head-office of privately owned investment management firm, Allan Gray, a household name in the South African financial services sector. The landowner and client in this project is the V & A Waterfront.

The development is to be called ‘No. 1 Silo’.

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The V&A is in the process of developing the building for the investment firm, who are consolidating their Cape Town facilities with the construction of this new 18,100 m² headoffice situated at the V&A Waterfront’s Silo Square. The No. 1 Silo project is scheduled for completion in July this year. This location is centrally situated between Cape Town city and the main business hub of the Waterfront.

EES also recently project-managed the roll-out of intelligent infrastructure for Alexander Forbes’ newly built head-office in Sandton, Gauteng, consulting to the Alexander Forbes Group Information Technology (AFGIT) division. A design objective from the outset was for this building to achieve a four-star Green Star rating, which it was awarded in September last year.

The original intention was for the Allan Gray building to be delivered with a five-star Green Star ‘As Built’ rating, however it has just been announced that the No.1 Silo office building at the V&A Waterfront has been awarded a six-star Green Star SA rating (Office Design) by the Green Building Council of South Africa (GBCSA). It is only the second building to be awarded a six-star Green rating in South Africa and the first in the Western Cape. This rating is particularly significant given the scale of the project.

This project necessitates close working interaction between multiple professionals, the main contractor and his integrators.

“The tenant is using his tenant allowance to integrate IT and intelligent infrastructure from the start as opposed to retrofitting. In this way the client obtains maximum value upfront, as its unique requirements and specifications are met. Such integration ultimately results in better business operations and commercial value,” contends Hemphill.

“Although we are installing new equipment, the continuum of being involved with the tenant through the design has brought about a strategic re-utilisation of existing equipment at Allan Gray to reduce waste and mitigate costs.

“The data centre has been designed using the Uptime Tier Standard, an owner driven performance standard, and we are satisfied that the facility will meet the stringent Tier 3 requirements,” Hemphill explains.

The end result will be a high quality, energy-efficient, sustainable and intelligent building, enabling world class business operational effectiveness, in the 21st century ‘datasphere’.

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ITowers Development Botswana’s First B

otswana’s tallest building that is expected to provide an outstanding addition to the rapidly-burgeoning Gaborone city skyline is currently underway.

The iTowers Building Development which is being developed

by The ODE Group and Tredinnick will comprise of three buildings. The tallest of which will scale 26 storeys, will stand opposite the High Court in the New Central Business District. The complex will consist of primarily two office towers, two accompanying retail area, restaurant and a business centre.

The developers recently launched the second tower of the iconic project. They have a new proposition for Botswana following the selling out of all residential units. There are considerations to extend the project beyond the initial 26 floors. Unlike the first tower, which consists mainly of commercial space, the second tower will mainly consist of residential units.

The second tower will have residential units comprising studio, one, two or three bedrooms. Purchasers will have the option to live and/or work in their units. This will allow property novices to begin building their property investment portfolio. There’s also an option to purchase a fully serviced unit.

The iTowers is the first of its kind development in Botswana, it will be the tallest, multipurpose development in Botswana.

Sales for the second tower will be jointly handled by Appleby’s and Premier Projects. Potential buyers will be invited to tour the development site, which includes a mockup of what the final units will look like. When complete, the two towers will feature shops, restaurants and a gym to fully cater to their clients’ lifestyle needs.

Plot 6383 NAKEDI RD Broadhurst Industrial,P.O Box 402319, Gaborone Tel: +267 318 2662 Fax: +267 318 2846, Cell 72100282 / 71428839 / 73955935, Email: lesedinginterior@mega.bw

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“…Proud to be Associated with iTowers”

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Unit 12, Carramba Business Park, Phakalane, P.O.Box 610, Gaborone, BOTSWANA

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Department of Environmental Affairs to relocate to its new headquarters in 2014 The new headquarters of the Department of Environmental Affairs is currently under construction in Tshwane.

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T

he Department of Environmental Affairs (DEA) initiated the construction of the new head office building to address shortage of office space and to create a long term conducive working environment that enable the organisation to achieve its strategic objectives. The new development is located in Arcadia Extension 6, in the middle density hinterland surrounding the city centre. The site is bounded to the east by Steve Biko Street, which is the main access point, and to the west by Oumashoop Street the secondary and ministerial access point.

The Public Private Partnership (PPP) project has been awarded to Imvelo Concession Company (Pty) Ltd. Imvelo Concession Company is a consortium comprising Old Mutual (30%), Kagiso Tiso Group (20%), Wiphold Capital (20%) and Aveng Grinaker-LTA (30%). The project entails the Design, Construct, Operation and Maintenance of this facility over a 25 year concession term/period. The Design and Construct Subcontract has been awarded to Aveng Grinaker-LTA (75%) Keren Kula (25%) DEA JV, whilst the Operations Subcontract was awarded to Imvelo Facilities Management (Pty) Ltd, comprising of a 40/60 split between Dijalo Property Group and Old Mutual Property Group SA. This PPP development comprises of a 27 422m2 building, which involves the construction of a three storey office building including basement parking, ministerial suites, conference facilities with landscaped cafeteria areas totalling 44 539m2 in size (GLA 27 422m2).

The building entails various energy reducing measures and state of the art management systems to maintain a maximum overall energy consumption of 115kWh/p2/annum. The headquarters will house 1305 people and will provide parking space for approximately 600 vehicles.

“The JV is required to meet strict contractual requirements that include completing the project within a fixed price and fixed duration, and to deliver a building of the highest quality. The building is required to meet the requirements of a four star green structure as rated by the Green Building Council of South Africa” said Derek Andersen, project manager at Aveng Grinaker –LTA. The building has however been awarded with a 6 Star Green Star SA rating from the Green Building Council South Africa (GBCSA)

early in June 2013. An achievement of this nature signifies world leadership and shows dedication to sustainable building by all stakeholders in this sizeable public-private partnership (PPP) project.

A project of this stature has its own challenges, Francois Pienaar, contracts manager at Aveng Grinaker-LTA says the construction of the ground floor transfer slab stretching over an area of 17 000m² provided the construction team with a challenge because of its extensive footprint. “The fact that the transfer slab has a number of different levels and, along with the transfer joints, fits together like a jigsaw puzzle ensured that we had to focus on that element of the programme for a lengthy period before we could start on the construction of the above ground elements” said Pienaar.

In addition Pienaar recognises that complex formwork is required since the team will construct a wall with four radii.

“We have cast the columns and need to incorporate flying beams in steps utilising pull-out bars in order to achieve the high quality finish required on the inside of the main entrance” mentioned Pienaar.

The building concept comprised three distinct elements; the central reception building, the office wings and the bridge structure connecting the elements together. The nautilus shell concept as one of nature’s timeless shapes was used as inspiration for the design of the Central Arrival Space and Ministerial wing. The shape of the building with optimised north orientation and narrow floor plates with atrium provided positive indoor benefits in terms of light and space.

The Main Office comprises three wings to the south and two shorter wings to the north of the site, the regular form and repetition improves constructability and minimises potential wastage.

The structure is expressed externally in the form of a concrete frame that provides shading, with offshutter finishes intended to reduce maintenance and introduce an aspect of dematerialisation by means of reduced finishing required. Decorative screens on the facade serve a dual function as aesthetic and functional solar shading devices, supporting energy efficiency through reduced thermal loads in conjunction with glazing placement and envelope design.

The Department’s mandate is to procure and deliver a green building that is environmentally friendly, sustainable and performing to set targets as per the building output specifications. The building is planned to maximise and demonstrates energy efficiency, especially with respect to the following: •

Lighting (low electricity consumption e.g. the maximisation of neutral light sources, compact fluorescent lights, individual switching, movement sensors etc.)

•

Movement (e.g. reduced reliance on lifts, coherent accommodation of interrelated sections e.t.c)

•

Internal Climate Control ( e.g. increased passive climate control and reduced reliance on mechanical air

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Water saving sanitary appliances are used throughout. Recycling and compacting of office waste reduces the production of comprehensive land fill waste.

As the department is leading the country on environmental protection and sustainable development, it’s committed to ensuring that a continuous process occurs to ensure awareness an action on matters impacting the environment; as such the project has fully committed to achieve exemplary leadership through joint efforts with the departments of national government in an effort to substantially contribute to broader market transformation across all spheres of national and local influence, while leveraging bilateral international relationships in respect of environmental protection.

Around 1000 jobs will be created on site over the construction period. Construction started on the1st July 2012 and it will be completed early in May 2014. This is a first government owned unique performing green building, a first of its kind in South Africa with unsurpassed green targets.\

Project Facts Project size: 27 422m2 Project cost: R653-million conditioning or centralized air conditioning system with customized control for each office/area) •

Demonstrates urban greening (e.g. indoor planting, roof gardens)

•

Uses and demonstrates environment friendly building materials, finishes, furniture and equipment (i.e. no poisonous plants or adhesives, no energy inefficient appliances, no exotic hardwoods, no toxic laminates)

•

Uses and demonstrates efficient resource use – ( e.g. reduction of paper use)

•

Demonstrates ergonomic and “worker-friendly” work spaces

•

Solar generated power for the facility

•

Rainwater and grey water is collected in basement storage tanks and used for WC flushing and irrigation.

Project start: July 2012 Project completion: May 2014 Green Star SA Certification: 6 Star Greenstar SA rating Main Tenant: Department of Environmental Affairs Building owner: Department of Environmental Affairs Project developer: Imvelo Concession Company (comprising Old Mutual, Kagiso Tiso Group, Wiphold and Aveng Grinaker- LTA Design & Construction: Aveng Grinaker-LTA (75%) & Keren Kula (25%) JV Architect: Boogertman & Partners Quantity Surveyor: Pentad Facilities Manager: Imvelo Facilities Management (An Old Mutual Property & Dijalo Property Group JV)

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Virgin Active Alice Lane

Skyfit!

Sandton’s new fitness blockbuster The latest in the Classic Collection of health clubs, Virgin Active Alice Lane, is poised to take health and wellness - and busy executives - to new heights!

T

he construction of a ‘blue chip’ health club at an estimated investment of R150 million,has factored in lightweight yet eco friendly materials and ‘green’ finishes in its unique design. This presented the project team at Virgin Active Alice Lane with some unique challenges.

Creativity won the day and the 3600m2 health club, opening in early September, is, according to Sir Richard Branson: “going to be rated the top club in the world ...” State-of-the-

art equipment, contemporary finishes, mood lighting and with the assurance of “five star hotel service” is just part of the offering.

Set in the heart of Sandton, the multi-phase project will ultimately house three office blocksdesigned around a large public piazza/square and will include an extensive parking basement. Virgin Active Alice Lane is built on two levels with an industry first rooftop training area accessed via a

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dedicated lift from the club. Members will be able to exercise outdoors with panoramic views of the Sandton skyline from sunrise to club closure late in the evening.

“the overall construction and design has been meticulously planned to redefine the wellness and exercise experience for captains of industry.”

Major challenges that facedthe design concept and construction team revolved around maintaining balance: keeping the construction as ‘light’ as possible to counterbalance the weight of the training equipment, a fourlane swimming pool and adramatic sweeping staircase that links thetwo levels of the club, while ensuring thatthe club was built along eco-friendly lines.

Alice Lane Classic Club is set to open in early September.

Materials were meticulously sourced and selected to ensure the projectupheld a commitment to the Green Buildings requirements, which awardedPhase 1 of the Alice Lane a 4-star Green Status SA Office v1 Design rating. Green initiatives includedsourcing sustainable local timber, recycled and recyclable materials as well as LED lights and other energy-efficient systems.

Project team: Abland Developers, DesignLine, Tonic Design, Solid Green.

Virgin Active Alice Lane forms part of the global Classic Collection, with members enjoying access to the network of 270 clubs internationally, with 16 clubs currently in the Classic Collection – in London, Lisbon, Madrid, Milan, Sydney and Singapore. It will deliver only the very best of what the fitness world has to offer including the Technogym ARTIS range of Equipment, Queenax – functional training frames and anti-gravity yoga.

“The air conditioning unit was custom designed to fit between the slab and ceiling and has a heat recovery system, which means no wasted energy,” explains green building consultant, Marloes Reinink from Solid Green.“There are no geysers at the health club as the warm air extracted from the air conditioner will be reused. We are also ‘harvesting’ the backwash water from the pool as grey which will be used to flush the toilets and urinals.”

The showers have been constructed using WEDI board, which is hard, durable, waterproof and lightweight. DuPont Corian is the solid surface material used as wall cladding and vanity tops that were moulded and polished to create a seamless, high gloss finish. And everything is being operated wirelessly.

From adjusting lighting levels to heat control and access to audio levels will be done via touch pad.

Ross Faragher-Thomas, managing director of Virgin Active South Africa, says that the attention to detail will set this Club apart.“Nothing has been overlooked,” he says, “from an onsite biokineticist, training equipment that’s a first for SA and a full service restaurant to a shoe shine bar.”He adds that

AHI Carrier South Africa (Pty) Ltd. 7 Mandy Road Reuven, Johannesburg Tel: +27 11 681 3900 Fax: +27 11 681 3997 Cell: +27 82 442 8572 Contact: Mr. Derrick Daubern Email: derrick.daubern@ahi-carrier.co.za www.ahi-carrier.com

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Advertorial

ALW Estates, New Atholl Towers Phase 2

Mr. Gary Woolf , Director of ALW Estates (The Developers)

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here’s a major shift within the property leasing market currently, as landlords look to improve the water and energy efficiencies of their rental properties and tenants seek out greener buildings that promise significant financial benefits.

With an inherent focus on constructing environmentally-sound buildings, ALW Estates has successfully tapped into this trend, with its latest property – Atholl Towers at 129 Patricia Road in Sandton – effectively offering eco-conscious tenants an opportunity to rent a holistic green building.

The building is aiming to achieve a 4 Star Green Star SA – Office v1 Design certification from the Green Building Council of South Africa (GBCSA) once completed.

Construction on phase two commenced in November 2011 and is scheduled for completion in early 2014. Phase one has already been completed and houses Volkswagen South Africa’s Sales and Marketing operations.

The 10080m2 GLA development which is located on Katherine Street, a main arterial into the Sandton CBD, will have 482 parking bays and five basement levels. It’s visible from the highway and has unbelievable views across Joburg’s northern suburbs. With excellent access in the form of nearby highways and a Gautrain bus stop right outside, the building is perfectly positioned for corporate headquarters.

The Developer’s objectives were to create a future proof, energy efficient building that was environmentally-friendly and resource efficient. Added to this, ALW wanted to produce

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Advertorial

a compelling, modern space that would appeal to forward-thinking tenants.

The building boasts an energy efficient envelope through highly efficient glazing and insulation, while its energy efficient design incorporates optimised airconditioning and a central heat recovery system, motion sensor light fittings and hot water generated from waste heat from the aircon system.

Otis GeN2 regen drive elevators, which are up to 75% more efficient than nongenerative drive lifts, round off the green features.

Some of the challenges encountered during construction were the site’s lengthy rezoning process, which presented as an obstacle but it was achieved and the entire sanitation system from Patricia to Dennis Road in Sandton has been upgraded now with new cement pipes. Electricity was another challenge as ESKOM needed to upgrade the area.

Earthworks presented another challenge, this took seven months with vibration control on blasting procedures in place, as a result of a large volume of rock which needed to be removed, and the close proximity of the VW building and the Park Inn Hotel.

Tel: (011) 807 7505 Fax: (011) 807 7509 Email: ama@amagroup.co.za Website: www.amagroup.co.za

TEL: (011) 474 2550 FAX: (011) 474 3252 MOBILE: (082) 305 2804 EMAIL: migaeld@glasspartners.co.za

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Moruleng Mall set to open in October New Africa Developments (NAD), the dynamic property developer of Jubilee Mall in Hammanskraal, is currently constructing the new Moruleng Mall in a joint venture with the local tribe – the Bakgatla Ba Kgafela Tribal Authority.

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trategically positioned in the heart of the densely populated district of Moruleng, near the Pilanesberg in the North West Province, the 30 000 m² mall will be the first of its kind in the area.

Scheduled to open in October, it will be bringing major retailers to previously disadvantaged communities that formerly had very limited access to retail convenience. The mall will provide them with quality products and services at their doorstep.It boasts state-of-the-art features such as energy efficient air-conditioning and lighting systems, an on-site taxi rank connected to the centre – along with 800 parking bays for ease of access.Among others, national tenants will include: Shoprite, Pick n Pay, Edgars, Truworths, Foschini, Ackermans, Jet, Legit, Pep, Pep Home, KFC, Identity, Markham, Mr Price, Totalsports, Exact!, Sportscene and Fashion Express.

The site is located at a major T-intersection on the main roads of Moruleng’s fast-growing business node, which means it is perfectly positioned to receive traffic from all surrounding villages and mines.

The development of the R400-million shopping centre forms part of the Greater Moruleng Revitalisation Project (GMRP) – an initiative by the local tribe leader, Chief Kgosi Pilani. The project aims to uplift the economy of Moruleng and empower its people.Apart from the mall being a major milestone in achieving this vision, the GMRP will also include the development of a central business district, residential complex, hotel, sewage treatment plant as well as tribal offices, improved road infrastructure and the Moruleng Sports Complex. During the construction of the mall – 600 jobs will be created, with a further 760 permanent positions projected after its completion.

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In Association with Rotec Industries and the Department of Water Affairs

Since 1988, Allied has been manufacturing and engineering quality for the civil and building equipment to a wide variety of markets.

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llied’s main products include, Concrete Mixer Drums, Karoo Batching Plants, Screw Conveyors, Concrete Buckets and Silo Top Filters, Reblade of concrete mixer drums, Rollers, Chutes and Hoppers.

Quality approved SABS standards for many of our products.

Allied is BEE Level 5

A long line conveyor system was used to transport the R.C.C from the batch plant direct to the area where the concrete was required. The use of alluminium conveyor sections which are relatively light to handle and the characteristic of being able to flex on the radius of the dam wall are unique to this product.

Allied in association with Rotec Industries from Chicago Illinois began their involvement with DWAF in 2007 in the project planning stage of Dehoop Dam.

Amongst other products used are two Rotec Creter Cranes, a specially engineered hydraulic rough terrain Grove Crane supporting a three section telescoping conveyor with a 61M horizontal reach and 30 degrees vertical climb and a 360 degree swing. It is designed for clean, accurate placement of concrete without segregation.

Rotec supplies and manufactures high speed conveyor belt systems capable of placing any kind of concrete and was the ideal choice of placing equipment for the massive Dehoop Dam wall.

Concrete was fed either from the Mainline Conveyor System or in the case of the outlet works a feeder conveyor positioned to feed the telescope conveyor from almost any angle making it possible for ready mix trucks to approach

Allied is registered as a Builder of Motor Vehicles with the Department of Public Transport Roads and Works.

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and discharge material into the feeder conveyor’s truck hopper from the most convenient approach.

and people to sustain the Rotec Equipment under the arduous conditions of the Eastern province of South Africa.

The conveyors used at Dehoop Dam were 60cm wide belts with a patented scraper system delivering concrete, either R.C.C or conventional on a 24 hour basis. Designed for heavy duty applications where fast, accurate and dependable placement is required.

Allied provided technical support and engineering design services to the level of professional Engineers through its association with Rigonda General Engineering.

Allied was contracted to maintain and operate the concrete placing equipment on site at Dehoop Dam. In 2008 we built and erected a workshop complete with specialized equipment

Manufacturing of ancillary equipment was undertaken either on site or at our Chloorkop works in Kempton Park.

Allied was established in 1988 as Manufacturing Engineers specializing in construction equipment. It’s other line of activity is the manufacture of concrete mixing drums.

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With time-efficient manufacturing and innovative design, Inside Group’s Aquapod was integral to making the 880 bed Obz Square student residence possible

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he University of Cape Town’s most recent R485 million student residence developed in the blink of an eye. With limited time and the desire to ensure the highest quality of the finished product, Aquapod, a product of Inside Group, was the solution to this grand development.

The successful implementation of this project came down to close co-ordination between the professional team and the main contractor, NMC. Off-site construction ensured that

the manufacturing of the prefabricated bathroom “pods” began earlier than what would have been possible on the building site itself, as the completion of the units no longer depended on any other site activities. Instead of having a group of individual contractors, the pods had the benefit of being manufactured by a single team of water-proofers, tilers, plumbers and electricians which dramatically improved their quality.

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Another benefit of the Aquapod off-site construction method, is that several trades work on the pods at one time. For instance, the plumbers and electricians work outside the unit where the outer boards have not been attached while the tilers are completing their work inside the pod.

The limited floor space available in the bathroom made an effective design imperative. Each en-suite bathroom pod is 2m2 with a shower, toilet, wash basin and wall-to-wall tiling. A steel structure with acoustic plasterboard walling and ceiling systems conform to appropriate standards.

Once the pods were completed, all the plumbing, fittings, fixtures and finishes were snagged at the factory before being delivered to site for installation.

Maximising the space available in the 7 storey building, the individual student rooms were arranged along a central passageway having either a courtyard or external view. The rooms, 11m2 in size, are designed to accommodate a 他 bed, a built-in desk providing study space, shelving and undercounter storage space.

Transporting the completed pods to site meant that there was one step left before the services were connected and the pods unwrapped, ready for their first use. This was to hoist the individual pods by crane off the truck, lower and position them in place ready for installation. On average, the onsite team of 7 installed the 6 pods that were delivered on each working day.

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Ingula Pumped Storage Scheme Project

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Located near Ladysmith in KwaZulu Natal the construction of Ingula Pumped Storage Scheme is well underway. Ingula was the first Eskom construction

site to receive ISO14001 certification in March 2011.

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ince 2005 Eskom has embarked on a capital expansion programme which will add Âą17 000 MW of new generation capacity to the existing net generating capacity of 39, 794 MW by 2018. Thus far, Âą5500 MW of this new capacity have been installed and commissioned.

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Eskom initiated a study on appropriate sites for a pumped storage scheme in the 1980s. Initially more than 90 appropriate sites were investigated, culminating in the short-listing of three sites. A pumped storage site needs suitable dam sites relatively close together, but at significantly different altitudes, suitable geology and available water. The final selection was a site northeast of Van Reenen’s Pass, spanning the escarpment of the Little Drakensberg and straddling the provincial boundary of Free State and KwaZuluNatal. This is also the continental watershed between the Vaal-, flowing into the Atlantic Ocean, and the Tugela catchments, flowing into the Indian Ocean.

In 2007 the name change was announced from Braamhoek to Ingula. Ingula alludes to the creamy contents at the top of the milk calabash. The quest to find an appropriate name for Ingula power station was inspired by the mountains and the river waters, which represent the rich cultural symbols and traditions of the indigenous people on both sides of the border.

The pumped storage scheme consists of an upper and a lower dam, each with a capacity of approximately 22 million cubic metres of water. The dams, 4.6 km apart, are connected by underground waterways, through an underground powerhouse which houses 4 x 333MW pump turbines. During peak energy consumption times, water will be released from the upper dam through the pump turbines to the lower dam to generate electricity. During low energy demand the pump turbines are used to pump water from the lower dam back up to the upper dam.

Job creation has always been a priority hence; the project has created employment for the locals from local communities within 100km from site.

Eskom has made public its commitment to social responsibilities in development areas surrounding its new build sites. The company’s intent is to leave a sociallyenriched area at the end of the build, with infrastructure having been significantly improved over the period of time it takes to complete the build.

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Ingula supports the Accelerated and Shared Growth Initiative for South Africa (ASGISA) by implementing corporate social investment initiatives, business development, skills development and skills transfer within both KwaZulu-Natal and Free State provinces. In addition, the approach is to leave a legacy for the next generation within the local communities.

•

In the past six years, approximately 2200 learners have benefited from various educational corporate social investment initiatives in municipalities surrounding the Ingula project.

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17 new classrooms have been built within the Ladysmith local municipality.

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Approximately, R2.9 million allocated for training of local small enterprises in Ladysmith, currently 15 students enrolled and expected to graduate in December 2012.

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Approximately, R2.9 million allocated for training of local small enterprises in Harrismith, currently 15 students enrolled and expected to graduate in December 2012

The project is scheduled to come on line during 2015, with a unit being commissioned each quarter of 2015.

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GIBB, making steady progress on the region’s largest hydropower project

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he Ingula Pumped Storage Scheme Project in Little Drakensburg reached some significant milestones in 2012. With a design set to contribute toSouth Africa’s power demand in a way that will enhancemaximum power generation efficiency, the project is in line with meeting government’s sustainability commitments.

Situated in the Drakensberg range of mountains between Harrismith and Ladysmith, work on the project commenced in 2004 and will be completed in 2015. According to Andrew Wilson, Technical Executive for Dams, Hydropower and Underground Works at GIBB, the team, which is a joint venture between GIBB,SSI and Knight Piesold, has made significant strides on the project.

“The site was chosen after being identified in previous studies as the optimal location for a large pumped storage scheme, based on technical, environmental and social criteria,” says Wilson. “It takes advantage of the significant difference in elevation between the inland, Highveld region and the bottom of the escarpment.”

The projectwhich includes the 40m high RCC Braamhoek Dam and 50m high CFRD Bedford Dam, both completed in 2011, two caverns, four surge tanks, four drainage and ventilation shafts and over 14 km of tunnels is the largest hydropower and tunneling project under construction in Southern Africa.

The excavation work that comprised approximately 2,20 million m3 of surface and underground excavation commenced in September 2008 and is substantially complete with only two surge tanks remaining.

In January, the excavation of the machine hall was completed followed by the completion of the concrete encasement of the first draft tube in August 2012. The preparation for the installation of the first spiral case installation is ongoing and the spiral case was transported to the erection bay on 15 August and is being prepared for installation.

One of the greatest difficultiesthat was faced by the project team was overcoming the steep gradient of the two 6.1m excavated diameter headrace tunnels that are both 1 940m long and each with a 970m long section at an inclination of 1:2.2.Tracked machinery was required for all excavation phases but the long average time for the mucking contributed to a final advance of only 1.1 m/day Installation of the 5.1m diameter steel lining of these tunnels has now started. The contractor plans to place the concrete encasement of the lining by pump from the bottom of the tunnels and it remains to be seen if this will be successful.

“We are very proud and happy to be part of the largest hydropower and tunneling project in the region. This further highlights the trust that the industry has in GIBB and the caliber of work we continue to produce on every project that we embark on,” adds Wilson.

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Const I

A market leader in the Consulting Engineering Industry GIBB is a 100% African owned company with 67% black ownership. Our head office is in Johannesburg and we have a reliable network spanning the African continent. Our in-depth consulting, design and management approach allows for a good working relationship between our clients and ourselves to fully meet the needs and outcomes required on any project. This is underpinned by our ISO 9001 quality system which GIBB has been independently certified for since 1999.

The winning combination of our team of top talent, well-earned reputation for excellence, in-depth industry knowledge and commitment to timeous, within budget delivery ensures that you will be guaranteed ultimate success of your project. Our long track record of industry awards is a testament of the recognition by our industry peers.

The Intelligent Choice With a solid track record spanning over half a century, GIBB has established itself as a partner of choice. Backed by a Level 2 BBBEE rating, GIBB provides engineering solutions to a diverse range of markets across the African continent.

People • Expertise • Excellence marketing@gibb.co.za www.gibb.co.za +27 11 519 4600

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Partnering with you to Partnering with you to create a better future

Braamhoek Consultants JV B raamhoek Consultants Joint Venture (BC JV) was awarded the tender for the Design and the Detailed Design, and then construction Supervision.

The project was divided into a number of different construction contracts in order to fast track the work. These included; • Advanced infrastructure • Exploratory tunnel • Quarry development • Bedford Dam and Bramhoek Dam • Main Underground Works One of the many challenges encountered was managing a number of different civil contracts for the project.

All these contracts were won by different contractors.

SPECIALISING IN : • • • •

HYDROPOWER WATER TRANSPORTATION ENVIRONMENTAL SERVICES Additional Services:

• • • •

Structural engineering Geotechnical services G h i l i Hydrogeology GIS expertise

www.knightpiesold.com

It was important to get access to the site early, therefore an advanced infrastructure contract was let to get road access to the site. It was also important to obtain geological information for the design of the power house caverns early on in the design. Therefore the Exploratory tunnel was done in advance of the main contract.

It is important to note that the Power House Cavern for the Ingula Pumped Storage Scheme is the largest Mudock Power House Cavern in the world and it was therefore critical to get the relevant design parameters to complete the design before going to tender on the main underground works.

Bramhoek Dam is in a relatively small catchment and it may have taken up to four years for the reservoir to fill, if a drought cycle were to occur at the start of impoundment. This put the dam on the critical path of the project. The dam contracts were therefore let early in order to provide sufficient filling time. The main quarry for concrete aggregate is located inside the Bramhoek Dam basin. This is

good from an environmental perspective, however it placed additional constraints on the project programme. The quarry contract needed to proceed the Bramhoek Dam contract. The filling of Bramhoek Dam also put programme constraints onto the Main Underground Works contract, where the Outlet Structure for the water ways needed to be completed and sealed before Bramhoek Dam could be filled.

All these different contracts which overlapped and impacted on each other needed to be careful managed in order to deliver the project within a tight overall project programme.

Ingula Pumped Storage Scheme has an installed power generation capacity of 1332MW. The Pumped Storage Scheme consists of an upper and a lower dam; both of approximately 22 million cubic metres water capacity. The dams are connected by underground waterways, through an underground powerhouse which house, 4 x 333MW pump turbines.

During times of peak energy consumption, water will be released from the upper dam through the pump turbines to the lower dam to generate electricity. During times of low energy demand the pump turbines are used to pump the water from the lower dam back up to the upper dam.

So far the Bedford dam which is the upper reservoir has won two awards: CESA AON Engineering Excellence Awards 2011 – projects with a value greater than R250 million. The Braamhoek Consultants Joint Venture (BCVJ) which comprising of GIBB, SSI and the Knight Piesold, won the Bedford Dam as part of the Ingula Pumped Storage Scheme in Kwazulu Natal.

SAICE Award 2012 – (Braamhoek Consultants Joint Venture) best project in the Water Engineering Division Category for the Bedford dam.

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Advertorial

g in r e e in g n E & s c S.E. Hydrauli was responsible for the following at Ingula Pumped Storage Scheme Project:

DESIGN & MANUFACTURE HYDRAULIC & ELECTRICAL UNITS TO OPERATE THE FOLLOWING: a. Bramhoek Dam – To operate 4 off Sleeve Valves with position indicators b. Bedford Dam –

1) To Operate Emergency Bonneted Hood Sliding Gate 2) To Operate 2 off Radial Gates with Position Indicators 3) To Operate 2 off Sleeve Valves with Position Indicators

All the above Units are Equipped with Hydraulic Accumulators to Close all Gates and Valves in the event of Power Failure.

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Morris joins forces with CMI-JV at Ingula Pumped Water Storage System Morris Material Handling SA (Pty) Ltd was awarded a contract to supply 4 special cranes to CMI-JV. A joint venture between CMC di Revenna, PG Mavundla and Impregilo s.p.a. for the Ingula Pumped Water Storage Scheme near Ladysmith in the KwaZulu Natal Midlands

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wo 8ton X 25m span Double Girder Electric Overhead Travelling Cranes with lifting heights of 45 meters each were installed in the Machine Hall for construction.

These Machine Hall Cranes have spliced girders as the limited access prevented the girders being transported into the machine hall in one length. The splicing of the crane girders and the erection of the two cranes were done with the use of Mobile cranes.

Two 25ton X 15m span Double Girder Portal Cranes with lifting heights of 110 meters each are used in the Turbine Chamber for construction of the Shafts. These Surge Chamber Cranes also have spliced girders due to access

restraints. The erection of these two cranes was made possible by means of jacking using a specialised company in this field.

Stefano Panetta, JV Engineering Manager from Italy, comments on the reason that they chose Morris:“CMI JV Technical and Plant Department have worked closely with Morris for the engineering of the overhead and gantry cranes. Further to the geometry restraints, the complexity of the multi activities to take place in the various locations, as well as the compliance to the related provision of the Mine Health and Safety Act had to be taken into consideration

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George Stott’s Involvement in Namakwa Sands Expansion Project T

enova-Bateman approached George Stott early in 2012 to assist with the design, manufacture, and installation of a hereto underutilised steel foundation technology on a new 40 TPH Dry Magnetic Separation Plant at the existing Unattritioned Mags Material (UMM) installation of Tronox’s Namakwa Sands heavy minerals mine near Brand-se-Baai, South Africa.

George Stott is a multi-disciplinary steel manufacturing group based in Johannesburg and introduced screw piles to the South Africa market in 2004 under the brand name GeoPile. The company has since tackled various foundation projects in the telecommunications, civils, and mining industries with great success.

Although screw piles are routinely used as a foundation system in the UK and USA, this project was one of the first large and complicated screw pile foundation installations undertaken in South Africa.

The whole plant consists of six separate plant areas connected by conveyor systems. Each of the areas consists of equipment, enclosed buildings, or a combination of both.

This provided a challenge in terms of aligning equipment and building footprints, and the positioning of the actual screw piles. A foundation grillage was developed which could effectively connect the equipment and buildings with the screw piles. Tolerances on equipment and building connections to the grillage were extremely tight, and dictated that the screw piles be positioned exactly.

Why Helical Screw Piles?

Key attributes of screw piles are that the piles can be loaded to full capacity directly after installation, that no major civil work need to be undertaken and that they are completely removable should the site be decommissioned. Projects which are time and environmentally critical or where access to concrete is limited are ideal candidates for screw pile foundations.

The UMM plant’s expected lifetime is a mere three years, after which the plant will be decommissioned. Having had experience in erecting steel structures with no environmental damage and in extremely short construction times, George Stott’s steel foundation solution appealed to TenovaBateman’s engineering and project teams. A further benefit of a steel foundation system over the conventional concrete foundations is the ability to easily remove and recycle the complete foundation once the plant has fulfilled its purpose.

Having used the screw pile system no major civil works had to be undertaken on site and no permanent concrete had to be used other than for floor screwing. This is due to the fact that screw piles can be erected on uneven surfaces with the foundation grillage providing the necessary levelness for structure mounting.

Construction A screw pile’s physical construction resembles that of a self-tapping screw. As with a self-tapping screw the pile

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consists of central shaft which has helix-shaped bearing plates attached at specific distances from each other and the expected ground level. When installed the screw pile forms a virtual cylindrical shape between helixes which offers shearing resistance whilst the top and bottom most helixes’ exert bearing resistance to tension and compressive forces.

Depending on the loads, soil type and required installation lifetime the central shaft is either manufactured from a solid round bar or thick wall tube. Each helix has a specific pitch and diameter and careful consideration is given to their design before a project can be successfully completed.

The supported structures can either be connected to the screw piles directly or alternatively a simulated foundation can be constructed from structural steel sections on which the structure can be mounted. The simulated foundation effectively distributes all of static and dynamic loads of the aboveground structure into the individual screw piles.

This project required 167 individual piles along with 32 tons of grillage work. The screw pile construction was designed to withstand a 10 ton/100KN tension load and a 15 ton/150KN compressive load.

The screw piles where manufactured from 100mm Nominal Bore Shed 80 tube with an overall length of 3m. Two helixes of 250mm diameter each with a pitch of 100mm where attached to the central shaft by Grade 8.8 HDG bolts.

The helixes and central shaft where constructed in such a manner that the helixes could be re-positioned along the 3m shaft should the soil conditions vary considerably from the anticipated conditions.

The grillage was constructed from various size beams between 152x152mm to 203x203mm. The use of 50mm slots made the positioning and bolting of the piles to the grillage members possible, providing a small tolerance for screw pile placing. Absolute squareness and levelness was critical to ensure that the equipment and building baseplates aligned 100% to the 22mm holes provided on the grillage members.

Installation

motor. The torque motor was attached to a 22 ton PC200 Komatzo tracked excavator. The effectiveness of each pile was tested by means of a 30 ton hydraulic test rig. A load of 150kn was applied which is 50Kn over the 100Kn which the design specified. Each of the screw piles on this installation had zero creep due to the nature of the soil in which installation was done.

It is interesting to note that there is a direct correlation between the torque required to screw the anchor into the soil and its ultimate loading capacity in tension. Screw piles have been proven to perform 1.5 to 2.5 times better with compressive loads than in tension. To accommodate dynamic loading on the piles a grillage is used to distribute the loads evenly across all piles with some acting in tension and others in compression.

Considering that each pile had to be accurately positioned to within 50mm on the x-and y-axis and that with virtually no z-tolerance was allowed, the 35 minutes it took to install a pile was quite extraordinary.

All 167 piles and their related grillages were installed in 34 working days which was shortened from the initial 75 working days planned. A further benefit was that since the pile could be loaded immediately construction of the equipment and building could start as soon as one area’s piling and foundation grillages were completed, effectively shortening the whole construction of the plant considerably.

Summary In short we believe this project shows the adaptability of steel in almost any aspect of construction. In this project’s case the use of steel as a foundation system resulted in drastically reduced installation times. Also to be noted is the ease of removal after the usefulness of the project and the fact that it is 100% recyclable.

Considering that South Africa’s civil engineering community is fairly traditional and generally not open to new ideas, the fact that such a large undertaking was successfully completed in such a short time is truly a remarkable example of what can be done by the innovative use of steel.

These 3m screw piles were installed by fixing the 25mm driving plate head of the screw pile to an 80Kn.m torque

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Sasol Pension Fund and Alchemy Properties Partner to provide a New Office for Sasol in Sandton

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ollowing an extensive commercial process Sasol has selected the Sasol Pension Fund and partner Alchemy Properties to develop and lease to Sasol a new 67,000m2 office building at 2 Katherine Street, Sandton. The Sasol Pension Fund will be equal investment partners with Alchemy. As developers, Alchemy will be responsible for the building development. Construction is scheduled to begin in May 2013 with Sasol taking occupation during the second half of 2016.

The new office building will consolidate Sasol’s current office space across Johannesburg into a single location and will enable the company to realise significant building operating cost-savings.

The offices, designed by Paragon Architects, will comprise ten floors of office space incorporated onto a podium stand, comprising integrated gardens and facilities and aims to achieve a Green Building Council of South Africa Green Star five-star rating in both the design and as built categories.

Alchemy Properties was innovative and dynamic in their approach when tackling the brief. They expanded on and enhanced the concept to achieve an efficient, flexible

workplace that is innovative, modern and scalable catering for Sasol’s needs well into the future.

Committed to excellence in all we do, Sasol is an international integrated energy and chemical company that leverages the talent and expertise of our more than 34 000 people working in 38 countries. We develop and commercialise technologies, and build and operate world-scale facilities, to produce a range of product streams, including liquid fuels, chemicals and electricity.

While continuing to support our home-base of South Africa, Sasol is expanding internationally based on a unique value proposition, which links our diverse businesses into an integrated value chain supported by top-class functions.

The Sasol Pension Fund holds a significant and diverse range of high quality property assets including a number of bluechip offices and shopping centres.

Started in 2007, Alchemy Properties has developed a portfolio of A-grade commercial office buildings, let to bluechip, quality tenants in Johannesburg’s prime commercial office nodes.

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New Distribution Centre for Illovo Sugar in Pietermaritzburg I llovo in partnership with Durban – based property developer Collins Property Group has developed a new multi-million rand distribution centre. The Distribution centre which is located in Sobantu, in Pietermaritzburg Kwa-Zulu Natal is been constructed at an estimated cost of R354 –million.

The 51 000 m2 Distribution Centre which took 14 months to complete included attached outbuildings, offices and workshop. It will serve as a central distribution point between Illovo’s production facilities in the province and its retail and industrial customers across the country.

The Distribution centre is able to handle17 000 t of sugar a year and will result in substantial efficiency savings in the sugar logistics supply chain.

Illovo Sugar has installed high racking storage to approximately 8 000 m2 of the floor area in the warehouse.

This required the floor flatness to be of a high-tolerance in order to accommodate high reaching trucks with man up turrets that will be used in narrow aisle configurations in the future.

EDS Engineering Design Services (Pty) Ltd Old Farm Office Park, Block F 881 Old Farm Road Faerie Glen, Pretoria P.O. Box 33920, Glenstantia, 0010 Tel: 012-991 1205 / Fax: 012-991 1373 info@edseng.co.za / www.edseng.co.za

New Distribution Warehouse for Illovo Sugar in Pietermaritzburg EDS Engineering Design Services (Pty) Ltd is proud to be associated with this this prestigious project in Pietermaritzburg.

EDS was responsible for the following disciplines   

Structural Engineering Civil Engineering Traffic Engineering

Project Engineering Challenges       

2

Warehouse structure consisting of 53 000m Six overhead cranes Double storey reinforced concrete office structure Founded on augered piles Internal water, stormwater and stormwater reticulation Attenuation of stormwater on site in two attenuation ponds Traffic impact study and external road improvements EDS delivers sustainable, custom made solutions through innovate design and personal service

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New State - of-the-art Durban Waste Transfer System T he eThekwini Municipality is currently constructing a 1 200 tonnes/day Waste Transfer Station to serve the Durban area.

The new state-of-the-art Waste Transfer Station in Electron Road will compact waste at the site and thereby reduce the amount of space needed to transport the waste to landfill saving on transport costs and carbon emissions.

Durban’s Electron Road facility is being developed in response to the centrally located Bisasar Road landfill site reaching near capacity. The nearest alternative landfill site is Buffelsdraai which is located 33km further away.

Construction of the R140 million-project started in March 2012 and is expected to be in Operational by September 2013.

Jeffares & Green, the engineering and environmental consultants firm is responsible for designing the facility, was appointed to design a modern and mechanised waste transfer station (WTS) at Electron Road in Springfield Park, an industrial and commercial area north of Durban.

The main structure, a refuse transfer station and compaction hall will be built on a site roughly 4 ha in size where waste will be offloaded, compacted and containerised for bulk

transportation. The Electron Road WTS will comprise a main four-storey building and some 4 290 m² in plan, in which waste will be offloaded into compaction units, compacted into purpose-made containers for bulk transportation and then transported to the new Buffelsdraai landfill site.

As Wright explains, the aim of constructing the facility in the location it is being built in is to somewhat reduce the transport expenses of transferring solid waste to landfills, which are increasingly sited further and further from the point of generation.

At present, most of the waste in Durban City is disposed of at the Bisasar Road landfill site in Springfield Park, but this site is reaching capacity. When this is reached, waste collection vehicles will have to travel to the Buffelsdraai landfill site approximately 33 km away – more than double the 15 km distance that is considered an economic travelling cost for collection vehicles. These prohibitive transport costs have made the provision of a WTS financially prudent, particularly since the Electron Road site is less than 1 km from the Bisasar Road site. The reduced transportation will also reduce fuel consumption as well as wear and tear on road systems, with an overall reduction of carbon emissions.

MASSAMATIC

Proud supplier of weighbridges to the eThekwiniMunicipality Landfill site & Transfer Station Tel: 021 930 2510 • Cell: 082 613 9561 sales@massamatic.com www.massamatic.com Branches nationwide Supplier of weighing equipment SANAS Accredited Verification Lab: LTF0081

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Upgrading of Electron Road will provide dedicated access to the site, access roads to the various handling areas within the site, a security building, weighbridge kiosks for the monitoring and recording of waste mass, wash bays for the waste fleet, a car park and covered waiting area at the entrance to the facility.

The contract involves the construction of the structures, civil works and infrastructure, and building-related mechanical, electrical, electronic works, together with the mechanical plant for the operation of the facility. The works comprise the refuse transfer station, a compaction hall, container-handling operations, offices, weighbridge infrastructure, mechanical equipment and plant. It also contains a workshop, wash bay, diesel storage, security facilities, entrance building and weighbridges.

pollution control by means of litter traps, silt traps and oil traps.

Specific storm water treatment processes were designed to control pollution and allow discharge of an acceptable effluent from the site. One item in the storm water treatment portfolio that has been carefully designed is the bioswale, which is a carefully landscaped and shaped open storm water system (channel) to enhance the removal of solids, metals and the like. Another element is the storm water inlets designed to effectively remove litter and sediment before these reach other systems.

The design of the facility includes the maximisation of use of natural lighting and ventilation, storm water treatment,

CK1994/03271/23

18 WEAVER AVENUE, GILLITTS, DURBAN, 3610 TEL: +27 31 7673705 FAX: +27 86 684 3017 CELL: 082 855 0483 / 072 245 1395 EMAIL: cgoodspeed@mweb.co.za WEBSITE: www.goodspeedsa.co.za

DRILLING AND REMEDIATION SERVICES, GROUNDWATER, SURFACE WATER AND SOIL SAMPLING, LANDFILL GAS MONITORING SERVICES AND EQUIPMENT SALES

P.O. Box 37737 OVERPORT 4067

Tel: 269 3800 Fax: 269 2672

CEILING AND BUILDING PROJECTS SPECIALISTS 18 Weaver Avenue, Gillitts Durban, South Africa, 3610 Tel No: 031 767 3705 Fax No: 086 684 3017 Cell: 082 855 0483 / 072 25 1395 Email: cgoodspeed@mweb.co.za Website: goodspeedsa.co.za

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Advertorial

Are you prepared for the unexpected?

Find out how to identify, quantify, plan and manage all of the risks that could delay and disrupt your construction project with the help of construction contract specialist, Coen Snyman.

Taking the risk out of construction contracts Is your business covered in your construction contract? There are some known and some unforeseen risks at the start of any construction project and as the supervisor you have to be prepared for both.

“Simply put, risk management is a system that aims at identifying and quantifying the risks to which a project or business venture may be exposed in order to enable parties there to make a conscious decision about how best to manage these risks,” says Coen Snyman, a specialist in construction contracts.

He asserts that successful contracts draw together elements of “common sense, analysis, judgement, intuition, experience, gut feel and a willingness to operate a disciplined approach to a very critical feature of any business or project.”

The kinds of risks that managers may encounter vary in both probability and impact. These variables are categorised into four basic groups described as, high risk and high value, high risk and low value, low risk and high value, low risk and low value.

Snyman explains that a risk which is classed as High Risk and High Value is likely to occur and its impact it likely to be severe. Earthquakes are good example of this risk class.

“I was in Chile, a year or so ago, when mining operations and projects were affected and projects suffered delays due to the earthquakes which happened then.”

Alternately there are certain occurrences which have a very small probability rate of coming to pass but can also cause devastating results.

“A low risk and high value is unlikely to occur, but if it does, its impact will be severe. The chance of an explosion

happening on a project may be very small, but if an explosion does happen, its effect will be devastating.”

In every category there are certain precautions and procedures that must be followed in order to prepare for these risks.

“Probability analysis is a powerful tool used in order to investigate problems which do not have a single value solution.” The Monte Carlo simulation is a popular method of probability analysis.

Once the risks are established companies will have the opportunity to transfer risks. “You can “transfer” a risk by taking out insurance or by stating, in your building contract, that a certain risk is a contractor’s risk.”

This means that companies will not be held liable for damages or delays that occur as a result of certain events.

“The contractor will not be able to submit a claim additional time or cost, if the risk materialised.”

Touching on the topic of contingency strategies Snyman says, “contingency planning should focus on risks which you cannot transfer.”

Contingency planning refers to the cost and time allowances that should be included in the program and budget in the event those risks are manifested.

“You may make a contingency, in your program, for delays which may happen due to adverse weather. You must also consider, and make contingencies for possible delays, if the work will be carried out during the rainy rather than during the dry season.”

Snyman explains the concept of transferable risks and contingency planning in detail during the Managing Risk in Construction Contracts course and addresses a number of other pertinent issues in the construction management arena.

The Managing Risks in Construction Contracts course held by Alusani Skills &Training Network will run on 28 & 29 August 2013 in Johannesburg. For more information call 011 447 7470, email faith@alusani.co.za or visit the website www.alusani.co.za Source: Cindy Payle

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Ngodwana Mill Expansion Well on Track The expansion and modernisation of the Sappi Ngodwana mill, including the introduction of 210,000tpa of chemical cellulose production at the mill, is well underway.

O

nce the project is completed, Sappi’s total production of chemical cellulose will increase to over a million tons per year, entrenching the company’s position as the global leader in chemical cellulose production, a fast growing, business serving the textiles, consumer goods, foodstuffs and pharmaceutical industries. Chemical Cellulose is an exciting product and will ensure the sustainability of the mill, suppliers and contractors.

The project (known as Project GoCell), will see various enhancements and changes to the mill, all aimed at further improving the mill’s prospects as well as improving the mill’s environmental footprint. Of significance will be the replacement of the current bleach plant with a new process

which will be chemically more efficient and will generate less effluent. The project will further reduce mill odour through improved efficiencies and the mill will burn 61 000 fewer tons of coal per year which equates to 120 000 tons less Carbon Dioxide emissions. The current bleached hardwood paper pulp capacity will be converted to produce chemical cellulose.

Ngodwana Mill site is situated in the Elands valley Mpumalanga, approximately 48km west of Nelspruit along National Road N4 at 25.578°S 30.665°E. The site is an extensively developed factory, heavily populated with operations personnel, plant, equipment and raw materials.

Project GoCell is being built utilising the best available technology and energy efficient motors and processes, which

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will result in lower energy use. The mill will also be using more renewable resources to generate electricity, thereby reducing the reliance on fossil fuel and lowering the mill’s environmental impact.

Although the mill is already a world leader in terms of water used per ton of paper produced, the mill’s water use will be further reduced when Project GoCell starts up, as the new

plant will require less water to be heated, and less energy used.

The project of this magnitude comes with its own challenges, although the greatest challenge for this particular project is to keep to the timeline.

This project would normally be executed over a longer time period. The time line for the execution of Project GoCell is

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about 3 to 4 months shorter. As a result there is much more emphasis on selecting and modifying methods and design. The greatest imminent challenge is the installation of the new pulp drier. Usually one would have a three month period, in which you would demolish the old equipment in situ, and then build the new in its place. We have only forty days in which to accomplish this task. We will be using a selfpropelled modularised trailer to remove the old drier in one piece to demolish, and then drive in the new drier, which is completely pre-constructed elsewhere. It is the first time that this method will be used in a pulp mill to accomplish this task.

During the civil construction phase, Aveng Grinaker-LTA did an excellent job in keeping to a very tight schedule. In this period they managed to install 1,500 concrete piles to secure the building foundations. These foundations consumed 1,380 tons of reinforcing steel and 14,000 cubic metres of concrete. A further 710 tons of structural steel was erected to complete the building works.

Ferromont SA (FSA) and their subcontractors are now fully mobilised on site for the mechanical and electrical installation of equipment.

In the new fibre line 3 cooking area the six new batch digesters have been installed as well as the digester building, which was

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designed as a steel frame structure. In the bleaching area, the oxygen and EOP reactors have been installed and the two bleaching towers have been erected. Work has also started on the pulp storage tanks as well as the pipe bridges.

The manufacturing of pipe spools is in full swing at the prefabrication workshop area where a total of 28 km of pipe and around 10,000 fittings will be welded together as specified in the detailed piping design drawings. This area is a hive of

activity and the completed pipe spools will soon be moved to site for installation.

Container loads of equipment are being delivered on site daily and the site laydown and storage areas are currently fully utilised. The next few months will be a very testing period for all, but it is gratifying to see that the plan is starting to come together.

NDT Inspection provide testing solutions for all your Non Destructive Testing requirements.

We had a dedicated team that provided a professional service as the biggest NDT service provider during the GoCell fabrication project.

Services includes: • Industrial Radiography • Micro-focus Radiography • Magnetic Particle Testing • Dye penetrant testing • Ultrasonic Flaw detection • Phased Array • Thickness Testing • Vacuum Box testing • Hardness Testing • Post weld Heat Treatment • Project Management • Shutdown coordinating

24 Liberty Industrial Park Houtkop road Vereeniging VAT NO. 4170231312 REG NO. 2005/147907/23

Telephone: (016) 428 5735 Cell phone: 082 854 8055 083 280 4488 Fax: 086 588 4664/5/6 Email: ndtinspection@telkomsa.net Web: ndtinspection.co.za

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Mauritania to receive the Shaikh Zayed Solar Power Plant Dubai: The UAE, a major oil producing country is spearheading a number of renewable energy projects in the Middle East, Africa and Europe. Masdar, the Abu Dhabi-based renewable energy company, inaugurated the Shaikh Zayed Solar Power Plant in April. A utility-scale, 15-megawatt solar photovoltaic (PV) facility in Nouakchott, capital of the Islamic Republic of Mauritania.

T

he largest solar PV Plant in Africa, the Dh117.5 million ($31.99 million) facility accounts for 10 percent of Mauritania’s energy capacity and will display approximately 21,225 tonnes of carbon dioxide annually.

Since its inception Masdar, has been heavily involved in moving Abu Dhabi towards a low-carbon economy.

With more than $5 billion (Dh18.3 billion) worth of renewable energy projects underway across the globe, the company is registered as a leader in the energyefficiency field.

Shaikh Saeed Bin Zayed Al Nahyan, the Abu Dhabi Ruler’s Representative, reaffirmed the UAE’s longstanding support for economic and social growth projects in developing countries.

“The inauguration underscores the important role renewable energy can play to drive comprehensive sustainable development in Africa,”

Shaikh Saeed Bin Zayed Al Nahyan said in a statement.

This solar power plant is a testament to our strong bilateral relationship with Mauritania and our commitment to helping create a more sustainable future.”

Mauritania’s electricity grid, which is powered mostly by expensive diesel generators, currently has an installed capacity of only 144 megawatts, resulting in severe energy shortages. The plant, which consists of 29,826 micromorph thin-film panels, was built using sustainable construction practices.

“Energy access is a pathway to economic and social opportunity,”

said Mauritania President Mohammad Ould Abdul Aziz during the inauguration of the plant.

“This is a testament to the UAE leadership’s vision of ensuring sustainable development economically, socially and environmentally.”

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Keetmanshoop Shopping Centre well on track

T

he construction of the N$92million Old Mutual Shopping Centre in Keetmanshoop in Namibia is well on track.

Once completed the shopping complex will turn the town into an economic hub of the south, it will accommodate 13 retailers and two banks. This is the biggest retail and property investment in Keetmanshoop ever.

Old Mutual is investing N$92 million on the new mixed-use development which consists of 11,000sqm of space, of which 10,000sqm is gross lettable while the remaining 1000sqm is common area. Old mutual has acquired a total of 58,000sqm land for future expansion.

The company first announced their plans for the area in June last year, noting it would consist of 95% retail space and 5% office space - with Old Mutual itself confirmed as the first tenant. The anchor tenant on the retail side will be Shoprite.

Other retailers that have committed to the centre are Shoprite Liquor, OK Furnishers, Hungry Lion, Jet, Edgars Active, Legit, CNA, Foschini, Markhams, Exact, Mr. Price, Style Clothing and Beaver Canoe. Two commercial banks, First National Bank and Standard Bank have also undertaken to install automatic tellers at the centre.

Branch Detail Branch Detail

Windhoek Office Tel: +264 61 370 900 Fax: +264 61 238 880 Email: wce@wce.com.na

The centre will offer 222 parking bays catering to retail clients, office tenants and customers.

Communities of Karas and Hardap regions will do their shopping in Keetmanshoop once the centre is open with the local wealth being spent in the region.

Construction of the shopping centre commenced last year, the functional completion of the development is scheduled for September 2013 and trade is expected to being in November 2013, in time for the festival season.

A total of 150 people will be employed permanently once the shopping centre is open for business directly in the new shops as well as in companies that provide services to the centre, such as security and cleaning establishments.

This is in addition to some 100 people who will be employed during the construction phase. To date, 70 people are already employed on site and this number will pick up towards 100 during July, when sub-contractors will be on site.

The shopping centre has been designed and constructed to be expanded in future, based on anticipated economic growth in the country’s south.

Ondangwa Office Tel: +264 65 241 389 Fax: +264 65 241 708 Email: wceond@mweb.com.na

Walvis Bay Office Tel: +264 64 206 401 Fax: +264 64 206 525 Email: wb@wce.com.na

WINDHOEK CONSULTING ENGINEERS (Pty) Ltd

Mission To provide a world class Mul�disciplinary Consul�ng �ngineering �ervice in a �mely and cost effec�ve manner and ensuring that we exceed our Clients’ expecta�ons the �rst �me� every �me.

Vision To be the leading and preferred Mul�disciplinary Consul�ng �ngineering Company in Namibia and the Region.

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Gothic Construction & Rebar-Man are Proud to be Associated with the ACDC Warehouse

Gothic Construction

Rebar-Man

1st Floor, 55 Kingfisher Road, Cnr William Nicol & Kingfisher Roads, Fourways, 2055

12 Nuwejaarsvoel Street, Birch Acres Ext 7, Chloorkop, Kempton Park, 1624

P.O. Box 80, Northriding, 2162

P.O. Box 7434, Bonaero Park, Kempton Park, 1622

Tel: 011 467 2350 Fax: 0861 468 442

Tel: 011 393 2183/4/5 Fax: 011 393 2190

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