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CRABTREE’S NEW AFDD SOLUTIONS WITH STARBREAKER CONSUMER UNITS Crabtree introduces its new Starbreaker range of AFDDs (Arc Fault Detection Devices). When they say ‘the whole is greater than the sum of its parts’, they may not be talking about consumer units – but the analogy certainly fits. A correctly selected and installed consumer unit plays a vital role in the safe use of electricity in the home. Its devices protect the installation and more importantly, the users, from faults and risks such as fire and electrical shock. Starbreaker consumer units have been designed to be easier, safer and faster to install, whether it’s a first-time installation, a re-fit or an upgrade, the range has been designed to be both backwards compatible as well as future-proofed. Nothing demonstrates this better than the latest development in the circuit protection market. To help designers and installers comply with the 18th Edition IET Wiring Regulations, Crabtree has launched a range of AFDDs (Arc Fault Detection Devices) that fit into any new or existing installation with a Starbreaker consumer unit. These unique miniature devices can be installed without any need for special assembly or new busbars. When arc fault detection devices are used they should be installed at the origin of each final circuit that is being protected i.e. in the consumer unit or distribution board.
Turn to page 12 for full story.
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CONTENTS VOLUME 38 NO. 11 • NOVEMBER 2018
CONTENTS… Regulars
Features
4 Editorial
22 Project Focus
Going green.
25 Ask the expert: RCDS
Bonus Eventus explains how its electrical engineers have initiated a planned preventative maintenance programme for Marathon House’s HVAC system.
7 Industry News Building controls, statutory recognition of electricians and tool theft on the rise.
27 The shocking truth
Paul Collins of Hager summarises some of the most frequently asked questions Hager has received in relation to RCDs in the wake of the 18th Edition.
ECN hears about about a new campaign which is aiming to change attitudes to workplace safety for good.
56 Competition
15 Contract News
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Fire door safety, 66kV offshore wind farms and outdoor lighting.
18 Training Asbestos awareness and flagship apprenticeship programmes.
20 Key Issue Martyn Walley of Scolmore looks at the implications of the new data protection act for organisations that use CCTV systems to protect their premises, and offers advice on how businesses can ensure they are acting compliantly.
69 Company Showcase Sponsored content from around the sector.
32 The future is connected Dean Jepson of Salus explains how the smart home can help contractors to grow their business.
SPECIAL FEATURES: Wiring Accessories
HVAC
Redfern of Wieland 35 Mark Electric examines the
Rush from BES 42 John discusses the need for
reasons behind the growth in popularity of modular electrical installation systems amongst electrical contractors, and the benefits that modularity offers.
38
Emma Segelov of MK Electric looks at how changing retail patterns are driving demand for decorative devices.
a more energy-efficient approach to cleanroom design and the critical role of HVAC design and specification in achieving lower energy consumption.
45
David Playfoot of Uponor discusses best practice specification of district heating (and cooling) systems.
Energy Management Thomas of Nuaire 51 Wendy looks at the challenge of reducing air pollution within existing homes.
Craig of Riello UPS 58 Leo predicts a power shift in the way the UK generates its electricity thanks to the increasing availability and popularity of battery storage.
journalist 64 Technology Jordan O’Brien takes a look at the importance selfgeneration and self-storage of energy in the face of stormy weather.
Hutchens of Eco2Solar future of greener 61 Paul 66 The discusses how the hot energy management summer has impacted the solar industry and how national legislation is failing to meet public demand for environmental policy.
systems will depend on new ways of thinking and working, says Paul Reeve, ECA director of business.
Clarke at Heatrae 48 Alan Sadia explains why contractors should still see the sunny side when it comes to solar technologies.
November 2018 | 3
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EDITORIAL
GOING GREEN
T
he world we live in is changing, and thusly, so is the electrical sector. There is an increasing drive for reducing the carbon footprint and energy waste while increasing renewable power sources, recycling and efficiency. Indeed, the Government’s Industrial Strategy, published in the last part of 2017, urges the need for energy efficiency and management – and this will shape the landscape of the sector as we move into 2019 and the near future. Taking responsibility for a greener future should be both on a personal
Published monthly by All Things Media Ltd., Suite 14, 6-8 Revenge Road, Lordswood, Kent ME5 8UD. Tel: 01634 673163 Fax: 01634 673173
Kayleigh Hutchins, Editor
level, and on society as a whole. It’s important to change the way we do things to encourage a more sustainable world. The use of renewable energies and battery storage are issues that need to be explored in much greater depth. Battery storage – with lithium-ion batteries currently leading the way – will no doubt play a key part in the future of energy management, as costs fall and ease of installation becomes standard. The same goes for renewable energy sources – for the first time in history, solar energy is offering a real alternative to powering the needs of the country. The push for efficiency is also one of the reasons behind the smart revolution,
which is going to steer the electrical sector to new innovations. Smart control of lighting and HVAC will play a big part; predicting exactly how much heat and lighting will be needed when and where will help to save drastic amounts of energy in offices, schools, warehouses – and even the home. The sector is headed for a whole new world – the challenge ahead is to be ready for it. We still have one more issue left in 2018, so before you start the Christmas slowdown, don’t forget to get in touch with your letters, comment, and views. What have been the highs of 2018? The lows? What do you think 2019 will bring to the electrical industry? Drop me an email at kayleigh@allthingsmedialtd.com.
EDITOR: KAYLEIGH HUTCHINS E: kayleigh@allthingsmedialtd.com
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INDUSTRY NEWS BIG BUILD PROJECT PARTNERS WITH ARCHITECT DHIRAN VAGDIA The Electrical Industries Charity has announced a partnership with architect Dhiran Vagdia of Vagdia and Holmes for Challenge for a Cause – the Big Build Project. The Big Build Project aims to raise £250,000 to purchase a house to transform daily life for Caz Dickinson and her family. This is the first partnership of its kind and a very important milestone in helping Caz to regain her independence in a new home which will feature modifications to help her move around with more ease. Dhiran and his team will play a crucial role in helping Caz regain her independence in the purchased house which will be designed and adapted to best suit her needs.
Dhiran Vagdia, director of Vagdia and Holmes, said, “The main reason we got involved with the Big Build Project was to help. We regularly take on projects that require a special set of spaces to allow occupants to move around the home with more ease. Caz’s situation is obviously very rare and it’s great that EIC are in a position to help her and her family, thanks to the kind donations they receive. We can’t wait to get involved and get started!”
ECA INDUSTRY AWARDS 2019 NOW OPEN TO ENTRIES The ECA Industry Awards 2019, which recognise top-performing organisations and individuals throughout the electrotechnical and engineering services industry, are now open to entries. The 2019 Awards are headline-sponsored by LEDVANCE and Electrium. This year’s awards include a newly-reprised category: the ECA Best Client/Partnership Award, which is open to all ECA member companies, including those involved with electrical, fire and security, datacomms, smart buildings, energy storage, lightning protection or high voltage. ECA CEO Steve Bratt commented, “We are delighted to launch our 2019 ECA Industry Awards. As ever, we anticipate entries of the highest quality from across the ECA membership and broader industry.” “With many previous winners having highlighted how winning an ECA award has raised their profile, the awards are an ideal opportunity for businesses to showcase their achievements to key clients and other stakeholders.” The award winners will be announced during ECA’s 2019 Industry Awards Dinner. Award winners and other finalists will receive recognition on the evening, and there will be ongoing promotion of winners’ achievements. The all-important closing date for awards entries for the 2019 awards is 5pm on March 15 2019. For more details on how to enter the awards, visit ecaawards.co.uk.
Once the house has been purchased, Dhiran and his team will work with Caz and her family to discuss the design brief. Following this, the focus will be on obtaining planning permission and designing and testing various solutions to see what best suits the needs of the family. The aim is to have this new house fully renovated and ready for Caz and her family to move in by summer 2019. The charity has raised over £160,000 to date thanks to support from the industry.
BURSARY SUPPORTS WOMEN IN ELECTRICAL INDUSTRY NICEIC is supporting women in the electrical industry through its Jobs for the Girls bursary scheme. The scheme offers grants to women already working in the industry or looking to get a helping hand at the start of their career. It is open to women of all ages and designed to cover training or other associated costs, up to a maximum of £500. In the six months since launching the bursary, NICEIC has provided £5,000 of funding to more than 20 women. The youngest applicant was a 17-year-old just staring out at college and the oldest was a 55-yearold who wanted to get back on the tools after a career break. The average age of all applicants was 29, perhaps an indicator of the later age that women traditionally come into the electrical industry. Emma Clancy, CEO of NICEIC, commented, “Over the last seven years, we have seen a marked increase in the number of women who come to us looking for help and assistance. Employers have also been in touch to see how they can attract more female candidates. “Where possible we have provided access to training, technical information and opportunities with our registered contractors, but it has not always been possible to assist those who just need a helping hand along the way. “Through this bursary, we have been able to offer practical and financial support and hopefully create a smoother route into the industry. “If we can help out those women who are just starting out or inspire others who might be thinking about a career in the electrical industry, then we will be well on the way to addressing the gender imbalance directly.”
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INDUSTRY NEWS ESP ACCEPTED AS A MEMBER OF THE FIA ESP has announced it has been accepted as a member of the Fire Industry Association (FIA), and gained the new International Quality Standard ISO 9001:2015 certification. As part of its membership, ESP will benefit from the association’s commitment to setting industry best practice and shaping standards and influencing legislation, as well having access to comprehensive and high quality training and unrivalled technical publications. This will ensure that ESP remains at the forefront in the fire protection industry and means they can share their learning with their customers to help them develop their businesses. Certification to ISO 9001:2015 provides assurance that ESP has evolved its management system to meet the growing needs of its customers and other key stakeholders. Awarded by certification body NQA, ISO 9001:2015 is the internationally recognised standard for Quality Management Systems (QMS) and the most widely used QMS standard in the world, with over 1.1 million certificates issued to organisations in 178 countries. ISO 9001 provides a framework and set of principles that ensure a common-sense approach to the management of an organisation to consistently satisfy customers and other stakeholders.
CAMPAIGN FOR STATUTORY RECOGNITION OF PROFESSIONAL ELECTRICIANS RAISED AGAIN IN HOLYROOD The ongoing campaign to confer statutory recognition on Scotland’s professional electricians will again be under the spotlight when an MSP raises a further motion addressing the issue in the Scottish Parliament later this month. The move, by Jamie Halcro Johnston, Scottish Conservative and Unionist MSP for the Highlands and Islands, is the latest in a campaign by representatives of both employers and employees to secure official, legal recognition of qualified and competent electricians in the interests of public safety. Pat Rafferty, Scotland Regional Secretary of Unite the Union, has expressed its full support for the longrunning campaign for recognition of the skills, knowledge, training, experience and qualifications of electricians and the vital role they play in the functioning of modern society. Halcro Johnston’s motion, which is due to be debated in parliament on Thursday October 25, will ask Holyrood to note the calls supporting the principle of the regulation of electricians, and will point out that, while more than 100 regulated professions exist in the UK, there is no protection afforded to electricians. It will again ask Parliament to appreciate that improperly-installed electrical work creates a significant risk of fire as well as other harm to householders and that the installation of electrical work by unqualified or only partly qualified individuals carries a safety risk. Finally, it will ask for acknowledgement of calls for the Scottish Government to consider how the Parliament’s powers over protection of title can be utilised to reassure the public of the safety of electrical work in domestic and nondomestic premises.
MORE THAN A MONTH OF WORK IS LOST TO CONGESTION, SAYS MERCEDES-BENZ Congestion is increasingly becoming a critical business issue according to the latest research from the Mercedes-Benz Vans Business Barometer. Delivery drivers say that, on average, 16% of their working day is lost due to congestion, which means, based on a (very conservative) eight hour working day, this equates to one hour 17 minutes a day, or more than six hours across a typical working week, adding up to 37 working days a year lost due to congestion for the average delivery driver. Greater London reaffirms its place at the top of the ‘congestion league’, with respondents saying 18% of their working day is lost to congestion – higher than anywhere else in the UK. The research, undertaken amongst 2,000 van owners and operators in the UK, also highlights that congestion is now the second biggest ‘barrier to growth’, with 31% believing this will be a barrier to growth in the coming year, rising to 38% amongst fleet managers, and second only to rising fuel costs (57%). More than 40% of respondents in the North West say that congestion will be a barrier to growth – the highest figure nationally. The North West is home to an emerging ‘Smart Motorway’ network roll-out that impacts some of Britain’s busiest motorways, including the M6, M56, M62 and M60 with completion dates years away. Further to this, more than half (55%) of owners and operators said they plan on increasing the number of vans they own or operate within the next 12 months, only adding to the strain on the vital arteries of the UK’s business network.
INVEST IN BUILDING CONTROLS TO REDUCE OPERATIONAL COSTS, URGES BCIA The Building Controls Industry Association (BCIA) is urging the industry to invest in building controls at the design stage of a building in order to lower the overall operating costs in today’s commercial buildings. The 10 80 10 concept represents the total lifetime costs of a building, whereby 10% of the costs of a building is invested at the construction stage; 80% is spent on operating the building and the remaining 10% is accounted for in dismantling and demolition. The majority of the operational budget is accounted for by the running of building services, which includes air conditioning, heating, lighting and ventilation. A study from the Royal Academy of Engineering showed that for every £1 it costs to build, it will cost £5 to maintain and a further £200 to operate a building during its lifetime. However, too often the £1 spent in the construction phase is squeezed by value engineering and the potential maintenance and operational efficiency benefits are not realised. This is particularly evident with the BEMS where connected points are paired back, metering is removed or commissioning time is cut short. The latest figures from the BCIA’s Market Information Services (MIS) revealed that a new record was set early this year of £654.8 million for the total controls and BEMS market in the UK. This highlights a 0.3% increase in comparison to one year ago and outlines the impact that controls systems have in today’s buildings. Therefore, building managers who utilise effective building controls at the design stage can considerably reduce the running and maintenance costs of a building while increasing energy efficiency and performance.
ERA MAINTAINS TRUSTED ‘SECURED BY DESIGN’ STATUS ERA has maintained its Secured by Design (SBD) licence accreditation for a further three years. SBD is the national police crime prevention initiative which aims to help people live in a safer society and to improve the physical security of homes. To qualify for SBD accreditation, ERA has to prove that its products are sufficiently robust to resist physical attack by casual and opportunist burglars. The products must be certified by an independent, third party, UK Accreditation Service (UKAS) certification authority. Commenting on maintaining Secured by Design Status, ERA’s head of marketing, Tania Tams, said, “Being able to incorporate the coveted Secured by Design logo alongside our many other security-related accreditations, is very important to us. Many homeowners now look for the Secured by Design logo on products, considering it just as important as the BSI Kite Mark which everyone associates with quality, trusted products. We are very proud that a range of our ERA and Fab & Fix products have earned Secured by Design status.”
SSIP SAVES INDUSTRY BOTTOM LINES £65 MILLION IN 2018 New figures from the Safety Schemes in Procurement Forum (SSIP) highlight savings of around £65 million a year for clients, buyers and suppliers in 2018. In 2016, savings of over £50 million were reported, indicating that overall savings have increased by 30% in just two years. The £65 million in savings are linked to the cross-recognition of health and safety supply chain assessments. The figure accounts for estimated work hours saved on duplicate H&S applications, savings from not having to complete multiple PQQs for separate clients, and other direct and indirect cost savings. The figures also suggest that SSIP has delivered hundreds of millions of pounds of savings to buyers and suppliers who carry out construction, maintenance and other contractor activity since it was set up in 2009. Eleanor Eaton, of health and safety consultancy CQMS and chair of SSIP, commented, “These figures clearly demonstrate that SSIP is effectively achieving our mission to facilitate and maximise mutual or cross-recognition of health and safety assessments.” Paul Reeve, deputy chair of SSIP and ECA director of business, added, “These figures show that SSIP continues to make a real difference to companies’ bottom lines by cutting out red tape due to excessive health and safety pre-qualification. We look forward to continued action to reduce unnecessary cost burdens on the supply chain.” SSIP was set up in 2009 to improve the overall cost-effectiveness of health and safety prequalification assessment. Since March 2016, SSIP has been collecting and sharing data that shows the overall savings made by buyers and suppliers.
8 | November 2018
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INDUSTRY NEWS TOOL THEFT HITS RECORD THREE-YEAR HIGH, SAYS VOLKSWAGEN Tool theft from vans has soared by 15% in the last three years costing businesses over £46 million, according to research by Volkswagen Commercial Vehicles. Police forces across the UK have recorded over 64,000 cases of theft from commercial vehicles since April 2015 with a record 23,859 incidents in 2017/18. Figures obtained by Volkswagen Commercial Vehicles via a Freedom of Information request reveal the total cost of equipment stolen from vans – which includes power tools and heavy machinery – is more than £46 million over the last three years.
SCOTTISH BUILDING SERVICES INVITED TO BECOME ‘PREFERRED CONTRACTORS’ Building and property service companies across Scotland are being invited to apply to become ‘preferred contractors’ as part of a newly launched Dynamic Purchasing System for capital and associated works projects in the social housing sector. The new system is being managed by PfH Scotland, specialist providers of procurement services to the housing sector and jointly owned by HouseMark, the National Housing Federation and the Chartered Institute of Housing. It will be available for use by the growing number of Scottish social landlords that are PfH Scotland members to help streamline the process for procuring a variety of works such as kitchen and bathroom installations, electrical rewires, roofing, painting and making disabled adaptations. The new Dynamic Purchasing System has been specifically designed to encourage SME participation by creating separate ‘preferred contractors’ lists covering six individual regions of Scotland, namely North East, North West, Central East, Central West, South East and South West. PfH Scotland anticipate that the new Dynamic Purchasing System for capital and associated works projects it is introducing should help its members to bring any remaining stock that still fails to meet the SHQS up to standard. Interested contractors can register their interest in the new capital works DPS via PfH Scotland’s electronic procurement portal. The DPS will remain open for contractors to join for a period of five years. Any contractor fulfilling the stipulated pre-qualification criteria will automatically have the opportunity to tender for any contracts subsequently procured through the DPS in whichever category and region or regions they have expressed an interest in working. Tender opportunities via the DPS will be advertised to approved DPS suppliers from Monday November 5.
The worst area for tool theft is central London with the Metropolitan Police recording over 8,000 cases a year worth an average of £11 million. Northumbria (4,000 reports a year) and West Yorkshire (1,000) were second and third. Humberside police recorded the biggest rise over the three years with incidents up by over 1,000%. The cost of tool theft to businesses is more than just replacement equipment, with drivers often unable to work while vans are restocked and locks repaired. Downtime costs companies an estimated £550 a day per van.
The first step to protecting your vehicle is thinking about where you park it. Parking in a well-lit area or in a car park with CCTV will definitely help reduce unwanted attention. Where
this cannot be achieved or if you have more than one vehicle, parking them defensively – in other words, where doors are blocked by another vehicle or object – can be a good deterrent.
BREXIT REPORT BAD NEWS FOR UK CONSTRUCTION FIRMS, SAYS INSURANCE EXPERT Following a new Brexit report that outlined a restriction on lowerskilled EU workers, the UK construction sector is being warned to ‘tread carefully’ to avoid damaging business. The advice comes from construction insurance expert Mark Herbert as a new and final Brexit report revealed that the government has been advised to restrict lower-skilled EU workers from coming to Britain. The report, released on September 18 from the Migrant Advisory Committee (MAC), set out advice to the government to impose restrictions to lower-skilled migrants coming to Britain after the country leaves the EU. The MAC committee’s role was to assess the impacts of immigration and give post-Brexit recommendations for after the free movement of labour ends. Construction site workers fall into the ‘lower-skilled’ bracket, which if restricted could pose a threat to industry
recruitment with a knock-on effect to trade and overall profitability in the sector. The construction sector has always relied heavily on an influx of EU continental workers to make up a skilled workforce and there are estimated to be more than 120,000 EU migrants working in the industry. Losing migrant workers would significantly increase the cost burden on UK building firms if they had to recruit and train domestic workers to replace EU nationals. Construction sector bosses have voiced growing concerns over the impact of a hard Brexit on their companies and insurance expert Mark Herbert has been offering Britain’s first Brexit Insurance consultations to help ease worry in the industry. Mark advises firms to ‘play it safe’ during this time of uncertainty and ‘tread carefully’ whilst Brexit negotiations are still taking place.
MOVERS & SHAKERS… IN BRIEF… WLS has expanded its team to include estimator Michael Reis. The move comes as the company continues to increase the number of projects it carries out as a suppliersubcontractor to electrical contractors, MEP specialists and main contractors.
SCREWFIX OPENS 600TH STORE AS BUSINESS CONTINUES TO GROW Screwfix has opened its 600th store – a major milestone for the UK retailer which has added 100 new stores to its network in the past 18 months. Since opening its first store in Yeovil in 2005, Screwfix has grown significantly, with 97% of the UK population being within a 30-minute drive from their nearest store. Screwfix is on track to open 50 stores in 2018, with many more planned for 2019. The new store, on the Trident Industrial Estate in Hoddesdon, will help busy tradespeople to get the job done quickly and affordably, with a Click & Collect service allowing customers to order and collect goods in as little as one minute. Like all Screwfix stores, Hoddesdon is open seven days a week and has created new jobs in the town. John Mewett, CEO of Screwfix, said, “We’re immensely proud to be opening our 600th Screwfix store. It represents a major milestone in our ambitions to offer the ultimate in fast, high quality customer service for our tradespeople, who need a responsive service, seven days a week. We are continuing to invest in our stores alongside our digital offering to ensure our customers can get the products they need, when they need them.”
BCL Distribution has announced the expansion of its ABS enclosure business and the appointment of a new team dedicated to focusing on the BCL distribution box business. The new team is headed by Mandy Thompson, sales manager, who together with the team will advise customers on the best enclosure solution for any application. C-TEC has announced the promotion of Brian Foster to the newly-created role of UK sales manager. Foster has over 30 years’ experience at C-TEC. HIMA Paul Hildebrandt GmbH has appointed Tobias Hoche as its new chief financial officer. The experienced industrial engineer succeeds Reinhard Seibold, joining the executive board of the familyowned company. BVM Limited has appointed Richard Morgan as engineering manager to drive and further support the company’s presence in the embedded computer sector.
10 | November 2018
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COVER STORY
SHOOT FOR THE STARBREAKERS Crabtree explains the new AFDD regulations in the 18th Edition, and how its Starbreaker consumer units are the only off-the-shelf solution to help installers comply with the new rules.
T
he 18th Edition recognises that risk of injury may result from arcing or burning (131.1) and it includes requirements for installations to be arranged so that the risk of ignition of flammable materials due to high temperature or electric arc is minimised, and requires people, livestock and property to be protected against the risk of burns (Chapter 13). Electrical fires caused by dangerous arc faults typically occur at loose connections, poor terminations, or in impacted and damaged leads and cables, or through old, weak and failing insulation. AFDDs can decrease the likelihood of electrical fires
“AFDDs can decrease the likelihood of electrical fires.”
from these conditions by detecting the arcing conditions before the overheating and ignition of flammable materials, thereby protecting people, livestock and property from risks. AFDDs detect arc faults that cannot be detected by RCDs or MCBs. These new devices use digital technology to provide additional protection against fires caused by arcs in AC 230V final circuits. Crabtree AFDDs constantly monitor and analyse electrical values and look for any divergence from normal patterns, i.e. divergences that denote a potentially dangerous arc. They are designed and tested to not respond to arcing under normal operation of equipment, for example vacuum cleaners and drills, whilst simultaneously continuing to respond to arc faults whilst the equipment is being used. Crabtree AFDDs are just two modules wide and the same height as an MCB, so they provide lots of wiring space during the installation and test process. These devices are two-pole switching and totally isolate any faulty circuit or appliance by switching off live and neutral under fault conditions. They provide a much safer environment, both while waiting for the emergency electrician, or while the contractor carries out maintenance and repair tasks.
30mA RCD protection extended Today’s typical domestic installation will have 30mA RCD protection on every circuit, especially as another new regulation in the 18th Edition (regulation 411.3.4) has extended the use of 30mA RCDs to include all lighting circuits in dwellings. All of which means that each circuit in a consumer unit needs to have several types of protection against a variety of potential faults. By combining Crabtree AFDDs with the new Miniature RCBO (Residual Current Circuit Breaker with Overcurrent Protection), Crabtree has created a single device capable of providing protection against all the fault conditions as necessary. This device includes MCB technology, RCD technology and AFDD technology, providing protection against overcurrent, short circuit, earth leakage and arc fault conditions, all in one DINmounted plug-in two-pole device that also switches the neutral for even higher levels of safety. They also help designers and installers comply with the 18th Edition IET Wiring Regulations.
It’s important that installers understand that AFDDs detect the types of arc faults that cannot be detected by RCDs or MCBs. These new devices use digital technology to provide additional protection against fires caused by arcs in AC 230V final circuits.
RCDs and the 30% ‘rule’ To help avoid unwanted tripping of RCDs from PE currents leaking through the protective conductor during normal (non-fault) operating conditions, the accumulated leakage current must be less than 30% of the RCD rating i.e. 30% of 30mA – see regulation 531.3.2. Designers and installers will have to take account of PE currents when dividing the installation into the necessary number of circuits. This is in addition to the requirements set out in Chapter 31 (314.1). An easy alternative to the 30% rule is to install an individual RCBO on each circuit.
Only use manufacturerapproved parts Another new regulation, 536.4.203, refers to devices and components that are used in low voltage assemblies, such as consumer units. Installers must only use devices that have been declared suitable for that purpose by the manufacturer of the assembly, or put another way, only use manufacturer-approved parts – don’t mix brands of devices or control items. Using unapproved parts will invalidate manufacturer guarantees and may result in an unsafe installation.
Periodic inspections The 18th Edition recommends periodic testing and inspection (regulation 135.1). Testing can be a time-consuming and costly activity, but Starbreaker Miniature RCBOs allow IR testing to be carried out without disconnecting and reconnecting circuit cables because they include twopole isolation as standard. Just switch off and test. Easier, safer, faster. So, whether it’s a brand-new installation, an addition or upgrade, Crabtree’s Starbreaker consumer units and devices (Miniature RCBOs and AFDDs) can be simply plugged into the fully insulated plug self-connecting busbar system. Starbreaker provides an easy installation that now includes additional protection against electrically ignited fires. Electrium, electrium.co.uk/crabtree
12 | November 2018
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The Starbreaker Arc Fault Detection Device. Always on guard. Accidental cable damage is just one way arc faults can occur. Unseen risks are hard to protect against – but with Starbreaker AFDDs, you’re in safer hands. Incorporating AFD, MCB and RCD technology, they constantly guard against overloads, short circuits, earth leakages and arc faults, satisfying the 18th Edition IET Wiring Regulations in one clever little device. Quick and easy to install, and compatible with all Starbreaker consumer units via a plug-in busbar system, it also includes two-pole switching for total isolation of faulty circuits, providing protection where it matters most.
EASIER. SAFER. FASTER. Learn more at www.electrium.co.uk/crabtreeAFDD
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23/10/2018 12:40
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08/10/2018 09:17
CONTRACT NEWS HORBURY SECURES NEW FIRE DOOR SAFETY CONTRACT
NUAIRE HELPS PROVIDE VENTILATION SOLUTION FOR CAMBRIDGE’S OLDEST HOTEL
Horbury Property Services, part of the Horbury Group of companies, has secured a project to replace fire doors and update fire compartmentation in a number of buildings, including offices and a library for Nuneaton and Bedworth Council. This is part of a significant programme of fire door installations to blocks of flats where there is a closed balcony/corridor. The new fire doors will meet current requirements for fire resisting doors. Horbury Property Services will also ensure that the fire compartmentation within ceilings is brought up to the latest standards. Richard Sutton, general manager at Horbury Property Services, said, “Fire safety is incredibly important and Nuneaton and Bedworth Council is taking a responsible approach by upgrading its fire doors and fire compartmentation. Our expertise in fire safety and as FIRAS-approved contractors means we can help to ensure a housing provider is compliant and occupants are being protected.” Nuneaton and Bedworth Council is a provider of affordable, quality homes across northern Warwickshire.
Nuaire has supplied Boxer Bespoke Air Handling Units (AHU) and XBC Heat Recovery Units to the University Arms Hotel, Cambridge as part of a major redevelopment project. Retrofitting a full heat recovery system presented a complex range of challenges, as Nuaire’s regional sales engineer Andrew Bott explained, “Getting ductwork to 192 bedrooms through limited ceiling voids across levels that do not line up laterally, and down risers that did not stack vertically, was complicated enough – but when considered alongside the VRV refrigerant pipework to 192 fan coil units and the usual water system pipework made the difficult seem impossible.” Furthermore, due to planning restrictions, the available roof space was constrained to a small plant area above the new build section which was also limited in height so as not to be visible. John Slater and Haward consultant Colin Bowen decided to opt for a central plant solution, and turned to Nuaire for help to design the AHUs. Nuaire delivered two bespoke AHUs serving a total of 4.4m3/s of fresh filtered air to the bedrooms which were split west and east. Thermal wheels were used to provide the heat recovery mechanism and purge sectors were applied to prevent cross contamination of exhaust air onto the supply. The design team at Nuaire were able to work in millimetre intervals to squeeze the maximum air volume out of each AHU, the largest
of which has a supply and extract rate of 2.9m3/s with a unit height of just 2,222mm. John Slater and Haward designed a ductwork solution to avoid ‘crossovers’, protecting the corridor ceiling heights. Splitting the supply air into two smaller ducts running either side of a larger central extract duct allowed the extract connections to pass over the supply and the need to cross large ducts was eliminated. By separating ventilation ducts and other services onto alternating floors, space was created for the water pipes and refrigerant connections. A void containing AC pipes and wet services on one floor serving ‘above and below’ meant that the next floor up had a free void for ventilation ducts again serving the upper and lower levels.
NATIONAL VENTILATION SUPPLIES WHOLE HOUSE VENTILATION SYSTEM National Ventilation has designed and supplied a whole house ventilation system to a two-storey home being built in Taunton, Somerset. The project, consisting of a ground floor and first floor, was already well underway when National Ventilation was contacted and so required their free design expertise to work with the existing build. National Ventilation worked with the owner and designer to create a system that would provide the correct levels of ventilation and physically work within the existing structure. A mechanical ventilation with heat recovery (MVHR) unit was required to improve indoor air quality and reduce space heating costs. The Monsoon HRU/330-100 MVHR was selected to meet these requirements, as well as being able to work efficiently with the extra pressure created by using the existing underfloor pipework as the supply and extract pipe. Monsoon radial ducting was also specified as it offers simplified installation and onsite flexibility for any variations that arise in a project compared to design plans. National Ventilation undertook two site visits for the project. The first visit ascertained where to run the ducting for the ventilation, how to run the ducting between floors and where to run the riser on the first floor. The property has high vault ceilings and so National Ventilation also checked that there was enough space in the roofline to position the ducting. They visited the project again after the system was installed to check the ducting routes and connections and ensure there were not too many bends before the ceilings went back up. This gave the designer developer confidence that the ventilation system was installed to meet Building Regulations.
SMITH BROTHERS APPOINTED TO UNDERTAKE HIGH-VOLTAGE UPGRADE WORKS Yorkshire power contractor Smith Brothers has been appointed by WMA Architects to undertake high-voltage upgrade works at Sheffield’s Owlerton Stadium. The stadium hosts races almost every day of the week. The wider redevelopment project, being conducted by WMA Architects, will see significant updates made across the venue – including a new hospitality suite and general upgrade works. Contracted to overhaul the existing high-voltage electrical infrastructure, Smith Brothers has been tasked with delivering this aspect of the project by December 2018 – subject to Northern Powergrid’s own works – to ensure the wider upgrades can begin on schedule. With work having commenced in September, the Elland-based contractor will be responsible for the design, supply and installation of an 11kV ring main unit. This entails the establishment of three package substations, including 800kVA transformers – with close coupled ring main units and three low-voltage switchboards – plus associated high and low-voltage cabling. Kelvin Fallow, technical director at WMA Architects, explained why they chose Smith Brothers for the upgrade works, “Smith Brothers’ experience in this type of project gave us the confidence that the team could not only complete the infrastructure installation, but also manage the transfer of the various existing supplies onto the new network.” Commenting on the project, Smith Brothers’ project manager Emma Charlesworth added, “For any upgrade to a venue such as this one, minimising disruption is key. Given the work we are doing is part of a more comprehensive overhaul of Owlerton Stadium, strict deadlines are in place to ensure the wider project can commence on time.”
THORN ILLUMINATES WORLD’S LONGEST SEA BRIDGE Thorn has announced that it has provided much of the lighting for the brand-new Hong Kong-Zhuhai-Macao Bridge – the world’s longest sea bridge – which is due to open soon. Thorn secured two of the three lighting contracts associated with the 115.9 billion yuan (€14.7 billion) project. Thorn’s products illuminate the two artificial islands at the east and west of the crossing, and the tunnel that leads to the bridge from Hong Kong. The bridge is now nearing completion and set to start carrying traffic soon, after nine years of construction work. It spans China’s Pearl River Delta, connecting the islands of Hong Kong and Macau with the city of Zhuhai on the mainland. Thorn was one of just three suppliers in the final round of bidding to light the artificial islands, and eventually won thanks to its ability to meet the extremely high construction standards and rigorous technical criteria. Thorn provided 120 Champion Pro LED 132 high-power floodlights, mounted on 12 high masts. Meanwhile the Hong Kong team secured the tunnel lighting contract using 6,000 of Thorn’s GTLED Entry and GT58 luminaires with DALI drivers to light a one-kilometre tunnel.
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CONTRACT NEWS
UNITRUNK DRIVES EFFICIENCY AT SOUTHAMPTON MULTI-DECK INSTALLATION NEXANS SUPPLIES CABLES FOR THE WORLD’S FIRST 66 KV OFFSHORE WIND FARMS Nexans has played an important role in three 66 kilovolt (kV) pilot wind turbine projects. The Blyth Offshore Demonstrator (UK), Nissum Bredning Vind (DK) and Aberdeen Bay (UK) wind parks are all successfully connected to the grid and generating power. Nexans has supplied a range of products and accessories, including 66 kV sea cables (array and export cables), power cable accessories (equipment bushings, connectors, coupling connectors, surge arresters, dead-end receptacles, junction cabinets), GPH connection technology and pre-assembled cables. The Blyth Offshore Demonstrator, 6km off the UK coast, is a pilot plant constructed by the Renewable Energies Division of the French energy group EDF. With a total capacity of 41.5MW, produced by five V164-8.0 turbines from MHI Vestas Offshore Wind, it has produced low-carbon power for about 34,000 homes since January 2018. Nexans delivered pre-assembled cable jumpers to connect transformers and switchgear, sea cables for the array cabling and connectors to connect the array cables to the wind turbine switchgear. In addition, pre-assembled junction cabinets, export cables and connectors to connect the wind park to the existing power grid were used. The cable lengths were pre-assembled and electrically tested at Nexans Power Accessories in Hof, Germany. The sea cables, with a diameter of 127mm, were produced in Hanover and delivered in one continuous length in 2017. The general contractor responsible for the Nissum Bredning Vind project is Siemens Wind Power A/S. In the Danish North Sea, four Siemens Gamesa turbines of the SWT-7.0-154 type with a total capacity of 28MW were installed. Nexans delivered EUROMOLD connectors and three-core cables for the tower cabling, equipment bushings and surge arresters to the Siemens transformer plant in Weiz/Austria and connectors to connect the array and export cabling. The installation teams were trained at Nexans in Hof.
LED HI SPORT LUMINAIRE GIVES LEISURE CENTRE’S TENNIS COURT THE ADVANTAGE Fitzgerald Lighting has been recently been involved in the installation of a new LED lighting scheme at Better Bodmin Leisure Centre. Fitzgerald Lighting’s Hi Sport LED luminaire was installed by building services management organisation Sherwoods. Sherwoods was appointed by GLL to upgrade Bodmin Leisure Centre’s existing lighting to deliver an improved light quality and reduce their expenditure through lower energy bills and maintenance. Fitzgerald Lighting designed a special 133W Hi Sport LED luminaire for this project that could be easily installed into the pitch of the ceiling, without the need for trunking, and which met the required lux levels for an indoor tennis facility to LTA standards. 80 luminaires were used for the tennis centre sports hall. Martin Mullin, centre manager at Bodmin Leisure Centre commented, “The lighting we had in place before the installation was pretty dire, so having the new system installed has made a huge difference. Not only is the lighting better, but we have really good even coverage and no shadows on the courts. The system will also save us a significant amount of energy long term, so we will be tracking the results over the next few months.” He continued, “The system is bespoke for tennis courts, so all the lights are suitably placed over the lines. With the lighting level now compliable to LTA standards, customer satisfaction is definitely noticeable. We have also upgraded the lighting in our changing rooms to LED, so our members receive good lighting levels and coverage both on and off the courts. We are very pleased with the results and would recommend the system to others.” Following on from this Bodmin project, Fitzgerald Lighting has just completed a second installation of Hi Sport LED luminaires at St Austell Leisure Centre.
EasyConnect cable basket from Unitrunk’s RIS (Rapid Installation Systems) range has been used for the electrical fit-out of two vehicle storage car parks at Southampton Docks, enabling electrical contractor, Rigfone Electrics, to make substantial savings on both the cost of the installation and the programme. Constructed as part of a £450 million investment in upgrading the seafront and improving the ferry terminals in Southampton, new multi-deck car parks will enable import and export vehicles to be stored securely prior to their onward journey. Rigfone specified Unitrunk’s EasyConnect after using the company’s RIS systems on a Ministry of Defence project. At ground floor level, each multi-deck features a 5m floor to ceiling height and there are 3m ceiling heights for levels one to four, creating significant working at height challenges. John Hubbard from Rigfone Electrics commented, “With a project involving such high ceilings, simplicity of design and installation are critical. For this project, that had to be combined with a robust and hardwearing installation, capable of meeting the client’s stipulation of a 10-year minimum service life. The EasyConnect basket was specified in hot dip galvanised steel with stainless steel fixings. Due to the high ceilings on each level, the cable management system was suspended from the concrete slab by metal rods, which were inserted into holes drilled into the slab at 1.5m intervals and fixed in place with resin; a system that is guaranteed for a minimum of 10 years.
DW WINDSOR UPGRADES BLUEWATER’S OUTDOOR LIGHTING DW Windsor has returned to Bluewater shopping centre to upgrade its outdoor lighting to LED and cut energy usage. Bluewater opened its doors in March 1999. Rising from a former chalk quarry among 50m-high cliffs, it attracts over a million visitors annually. DW Windsor designed, manufactured and installed the original car park, road and service yard lighting, working with architects Speirs & Major to develop a bespoke luminaire specifically for the retail destination – with a wide brim and blue diffused illuminated canopy. 19 years later, while the installation had weathered well, the evolution in lighting technologies had created opportunities for energy savings. The key requirements for the project were: reducing energy, providing uniformity and colour temperature to meet the original lighting requirements and for it to be low maintenance. During the project lifetime, the original metal halide light sources were updated to a more efficient lamp type. This reduced power consumption and energy bills, however, it also resulted in a change in colour temperature, effecting the overall ambience. To meet the original scheme lighting requirements, DW Windsor recommended retrofitting the original lanterns with a 4,000K LED solution across the site with a preprogrammed factory-set dimming regime, to save on CMS costs. DW Windsor will also be restoring the columns, brackets and luminaires to their original appearance. Paint will be matched to the original colour, with a 25-year guarantee of colour stability and gloss level retention. The lighting upgrade programme will be completed over a three-month period, saving Bluewater 650,000kWh annually, which amounts to a 75% reduction in energy usage. In addition to this, the LED solution is maintenance free for a minimum of 20 years.
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TRAINING SKILLELECTRIC 2018 FINALISTS ANNOUNCED The eight competitors who will compete in the 2018 SkillELECTRIC UK final have been named, following a series of challenging regional heats earlier this year. All will now go head-to-head in a two-day practical task on November 15-17 at WorldSkills UK Live, the UK’s largest skills and careers event at the NEC Birmingham where over 70 WorldSkills UK competitions will be held, watched by around 70,000 visitors. Contestants will have to install a complicated set of four circuits with various components and equipment, all to a strict timescale and against a very rigorous marking criteria. The finalists are: Paul Anderson, McGill and Co, SECTT/Dundee and Angus College; Rhys Boni, John Hogarth Ltd, SECTT/Borders College; Jordan Bremner, Chapman Electrical, SECTT/North East Scotland College; Benjamin Martin, Nesbitt Electrical Installation, Southern Regional College; Callum McGarrigle, Weir and McQuiston, SECTT/New College Lanarkshire; David McHugh, GR White & Son Tempo, South West College; Michael White, JJ Electrical, York College and Tom Williamson, Lloyd Morris Electrical, Coleg Cambria. SkillELECTRIC is organised by National Electrotechnical Training (NET) and has the Electrotechnical Certification Scheme (ECS) as its lead sponsor. Edmundson Electrical, Scolmore and Di-Log are the other show partners.
PRYSMIAN GROUP LAUNCHES THE EIGHTH EDITION OF ‘BUILD THE FUTURE’ Prysmian Group has launched the eighth edition of ‘Build the Future’, the international recruitment programme which offers young graduates a highly professional training path through their integration into outstanding working environments. The project will select 50 new graduates in economics, business, engineering, physics, chemistry, mathematics and information technology worldwide. All applicants to ‘Build the Future’ are required to demonstrate a good command of English and be willing to handle job challenges in international environments, in addition to possessing leadership skills, passion for their work, strong motivation and openness to change. Since its inception in 2012, Prysmian has recruited approximately 300 young graduates from over 30 countries in five continents. Sixty of them are currently employed at the Milan headquarters, for a total of 40 different job titles. 42% of new recruits in 2017 were women and the female percentage is set to be raised to 50% by 2019. The group’s initiatives range from promotion of inclusion and diversity, such as the ‘side by side’ project, to numerous global recruitment programmes which, besides ‘Build the Future’, also include ‘make it’ and ‘sell it’ dedicated to the best talents among manufacturing and marketing professionals. The search for the 50 talents will continue until December 2018, through a thorough recruitment and evaluation process carried out at both the local and group level. Their integration within the company is planned by the first quarter of 2019.
AICO COMMENCES FLAGSHIP APPRENTICESHIP PROGRAMME Fire and CO detection specialist Aico has commenced its flagship apprenticeship programme. Aico received over 50 applications from potential apprentices over the summer, with four apprentices commencing employment in September within the customer service, finance and technical departments. Aico has also widened the participation in the programme to include existing members of its workforce, by offering two staff within the IT and technical departments the opportunity to upskill via an apprenticeship, bringing the total number of apprentices starting in September to six. SBC Training, based in Shrewsbury, will be providing the training and support for Aico’s apprentices and have been working with managers to provide a comprehensive induction experience and to ensure that the apprentices have the best possible start to their apprenticeship journey. Sam Marston, who has been successful in securing a technical infrastructure apprenticeship position said, “Since discovering about Aico in school, I have aspired to work there. I am looking forward to joining the team and progressing with my career.” Aico also actively supports education providers within Shropshire by offering work experience placements, support with careers events and tours of their Centre of Excellence. Students who are moving into Year 10 and looking for a work experience placement in 2019 are encouraged to write in with their requests as soon as possible.
NICEIC & ELECSA LAUNCH ASBESTOS AWARENESS TRAINING FOR ELECTRICAL CONTRACTORS NICEIC and ELECSA have launched a partnership with Central Compliance UK (CCUK) to provide training on the dangers of working with asbestos. Figures from the Health and Safety Executive suggest that 14 people will die prematurely every day as a result of being exposed to asbestos – this equates to around 5,000 deaths a year. It is the single greatest cause of work related deaths in the UK and is considered a major factor to many types of health complications. Although receiving a total ban in 1999, there are an estimated 12.5m households that could still potentially contain asbestos. Working with CCUK, NICEIC and ELECSA contractors can take online or face-to-face training in asbestos awareness courses, fully certified by the UK Asbestos Training Association (UKATA). Billy Quinn, managing director for CCUK said, “There are potentially thousands of contractors who are still not aware of the dangers surrounding asbestos. At CCUK we strive to get the message across that professional training can change the way today’s workers operate so they don’t put their lives at unnecessary risk.” Anyone looking to take the course should visit centralcompliance.uk/certsure.
18 | November 2018
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KEY ISSUE
DATA DILEMMA Martyn Walley, group technical manager with Scolmore, looks at the implications of the new data protection act for organisations that use CCTV systems to protect their premises, and offers advice on how businesses can ensure they are acting compliantly.
T
he issues surrounding General Data Protection Regulation (GDPR) have been well documented in the run-up to and post the implementation of this new legislation in May this year, but how many in the industry are aware of the implications for operators of CCTV systems? Under the new regulations, every organisation or sole trader (excluding private domestic users) that processes personal information is required to pay a data protection fee to the Information Commissioner’s Office (ICO), unless they are exempt – and this also includes CCTV.
When is CCTV covered by the GDPR? Most uses of CCTV will be covered by GDPR. The data protection regulation gives you the right to see information held about you, including CCTV images of you, or images which give away information about you (such as your car number plate). It also sets rules which CCTV operators must follow when they gather, store and release CCTV images of individuals. The Information Commissioner can enforce these rules.
CCTV filming carried out by others The CCTV operator must let people know they are using CCTV. Signs are the most usual way of doing this. The signs must be clearly visible and readable, and should include the details of the organisation operating the system if not obvious.
What must a CCTV operator do? • Make sure someone in the organisation has responsibility for the CCTV images, deciding what is recorded, how images should be used, and who they should be disclosed to. • Have clear procedures on how to use the system and when to disclose information. • Make regular checks to ensure the procedures are followed.
When can CCTV images be disclosed? You have the right to see CCTV images of you and to ask for a copy of them. The organisation must provide them within 30 calendar days. You will need to provide details to help the operator to establish your identity as the person in the pictures, and to help them find the images on their system.
• CCTV operators are not allowed to disclose images of identifiable people to the media, or to put them on the internet for entertainment. Images released to the media to help identify a person are usually disclosed by the police. • An organisation may need to disclose CCTV images for legal reasons – for example, crime detection. Once they have given the images to another organisation, then that organisation must adhere to the Data Protection Act in their handling of the images.
How long can an organisation retain CCTV images? Organisations should have a retention policy. They should only keep the images for as long as necessary to meet the purpose of recording them. Head of enforcement at the ICO, Steve Eckersley, commented on a recent case where a company faced substantial fines for breaking data protection laws by failing to comply with an Information Notice. The company also failed to register with the Information Commissioner’s Office (ICO), despite it being a criminal offence to fail to do so. He says, “Not registering with the ICO, and, in addition to this, not complying with an Information Notice are criminal acts – let it act as a stark warning to other companies who flout the law that we will take robust action.” Here is a quick CCTV compliance checklist to help you ensure you and your clients are operating lawfully: • Signage should be clearly visible and readable. It will also need to show details of the organisation operating the system, the purpose of its use and who to contact if there are any queries. • Signs should be an appropriate size in relation to its context. • If the sign needs to be seen by a car driver; it should be bigger. If it is in a shop then a small sign would be more suitable. • All staff should know what to do and who to contact if a member of the public enquires about the CCTV system. Any signs in a public area must show the organisation or authority responsible for the systems. • Take care when it comes to positioning your CCTV cameras. Although your cameras may be positioned on-site, they may still capture images of people walking by. If this is the case, your CCTV signage should be visible outside the business too. • As a business user or sole trader, make sure you register your system with the ICO. ESP, espuk.com
20 | November 2018
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Perform LIVE electrical tests on EVSE Charge Points Metrel A1532 EVSE Test Adaptor Designed for active testing of EVSE charging stations without opening the box! • Simulates Electric Vehicle connected to Chargepoint – activates power output • Permits Full Electrical Test including Visual Function; Insulation; Voltage & Frequency; Earth Loop Impedance; PFC; RCD and RCM • Works with all Metrel Multifunction Installation Testers • Especially suitable for use with Metrel MI3125BT; MI3102BT; MI3152; MI3155 • Options for charging state output: A. Disconnected B. Charge Ready C. Active Charging (without ventilation) D. Active Charging (with ventilation) E. Pilot (CP) Error • Connect direct to Chargepoint, or include charging cables, plugs and sockets in test path
Metrel UK Ltd. Unit 16, 1st Qtr Business Park Blenheim Road Epsom Surrey KT19 9QN
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Phone: 01924 245000 Fax: 01924 245007 E-mail: sales@metrel.co.uk Web: www.metrel.co.uk
25/07/2018 23/10/2018 10:01 12:40
PROJECT FOCUS
MAINTAINING SAVINGS Bonus Eventus explains how its engineers have helped the residents of Marathon House apartments save money by initiating a planned preventative maintenance programme for the property’s HVAC system.
H
ML Hawksworth is a residential property management company that began life in Chelsea 25 years ago. Since then, it has grown to manage more than 6,000 residential and commercial units, encompassing mansion blocks and luxury riverside developments. Each HML Hawksworth property benefits from a dedicated management team that understands the requirements of the individual building, undertakes maintenance and oversees the work of external contractors.
The challenge Marathon House is a residential property in London with 105 apartments. The property is managed by HML Hawksworth on behalf of Marathon House Right to Manage (RTM) Company Limited.
Each apartment is served by a heating, ventilation and cooling system based on a heat recovery system and electric fan coil units connected to central chillers. To ensure that residents’ homes are kept at a comfortable temperature all year round, it is important to carry out preventative maintenance at regular intervals. In addition to the fan coil units, Marathon House also has dry coolers that were replaced last year and several central chillers that were installed a number of years ago. The older chillers require regular and careful maintenance to manage the risk of them breaking down more frequently. Nick Hughes is the property manager at Marathon House, responsible for maintaining the shared facilities on behalf of residents. When asked how HML Hawksworth stays on top of regular maintenance for such a large residential building, Hughes points to the services provided throughout the year by Bonus Eventus Maintenance. “Servicing the fan coil units is a constant
Fan coil unit before (inset) and after maintenance
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PROJECT FOCUS cycle. Each unit requires a scheduled service that takes from two to three hours, and in some cases eight hours, to complete. There are, on average, three units in each of the 105 apartments in our building,” he explains.
Trusted partners Bonus Eventus Maintenance specialises in residential and commercial heating, ventilation and air conditioning, as well as electrical, mechanical and plumbing repairs. Bonus Eventus engineers embarked on a planned preventative maintenance programme for Marathon House. This has involved engineers visiting residents’ homes to insulate incoming pipes to the fan coil units; removing any debris or dust from the heat exchanger; checking seals; regularly changing the filter, and performing scheduled functionality tests, in addition to providing other regular scheduled maintenance on the building’s central cooling system. Hughes reports that, in addition to doing a very good job, trust is a very important factor in the decision to continue working with Bonus Eventus’ service engineers. “To me, finding the right maintenance partner is all about trust, especially for servicing the fan coil units. We need a reliable partner to deliver this service to our residents in their homes,” says Hughes. “I don’t feel that I need to stand over the Bonus Eventus engineers and supervise them the whole time that they are on-site.”
Planning ahead Like many residential property management organisations, Marathon House RTM Company Ltd is run on a notfor-profit basis. As a result, any expenditure on major equipment has to be carefully planned and budgeted for, to ensure that it can be covered from residents’ combined service charges. By engaging Bonus Eventus to service the chiller compressors, rather than ripping and replacing them, Marathon House has made a 90% saving. The building’s HVAC system is served by two central chillers, each of which has two compressors. Bonus Eventus has serviced
“The regular servicing of the fan coil units has delivered major savings.”
all four compressors at a cost of £1,500 + VAT, plus an additional £2,500 + VAT for new parts for each broken compressor. The replacement cost would have been £250,000 + VAT per chiller. By servicing the chiller units, Bonus Eventus has delivered a saving of more than £500,000 + VAT. Similarly, the regular servicing of the fan coil units has delivered major savings. Many of the 18-year-old fan coil units had internal parts that had stopped working. To replace all of the units would have cost Marathon House £1,000 per unit. Bonus Eventus has been able to reduce that cost by two thirds by servicing each of the units in the 105 apartments and replacing worn out parts, at a cost of £330 + VAT per unit.
Bonus Eventus works with customers to enable vital repairs and maintenance to be funded incrementally: extending the life of shared facilities, rather than incurring large costs up front for replacing equipment. Nick Hughes has also been impressed by Bonus Eventus’ desire to help customers to arrive at the best solution at the right price, without cutting any corners. “Bonus Eventus understands the high-quality service that we want to deliver for our residents and uses its combined engineering expertise and professionalism to deliver the best outcome, without automatically going for the highestpriced option. This is extremely valuable when you are working to a set budget,” asserts Hughes.
Swift response
Going the extra mile
Under the contract, Bonus Eventus HVAC engineers provide an ongoing schedule of planned preventative maintenance on the fan coil units and chiller compressors, which means that engineers are usually on-site at Marathon House. This has delivered an additional bonus when unexpected electrical or mechanical repairs are required to the lift, door entry system, CCTV, fire alarms, or other shared facilities, while also improving the service provided to leaseholders. Residents value the swift response provided by the Bonus Eventus team and HML Hawksworth has avoided incurring emergency call out charges. Many shared residential properties rely on ageing HVAC equipment which must be maintained from the combined service charges of leaseholders. Any replacements must be funded within the budgetary constraints of these pooled funds and with the agreement of residents.
Bonus Evenus specialises in electrical engineering and mechanical engineering. This breadth of expertise has enabled the engineers to take a practical and innovative approach to problem solving on behalf of customers, which has not gone unnoticed: “I have found Bonus Eventus to be proactive, diverse and flexible in the service provided to Marathon House,” reports Hughes. In addition to the technical capabilities demonstrated by the engineers, which benefit the residents of Marathon House, Nick Hughes praises the professional relationship that he has been able to develop with the company founder and senior engineer at Bonus Eventus. “I’ve personally enjoyed working with Laszlo Daragics and Zoltan Horvath. Bonus Eventus has been working with us for 18 months and we’ve not had a single complaint from residents.”
Engineers provide an ongoing schedule of planned preventative maintenance on the fan coil units and chiller compressors, which means that they are often on-site
Bonus Eventus, bonuseventus.co.uk
November 2018 | 23
Project Focus – Bonus Eventus.indd 23
24/10/2018 09:48
Get the power flowing in your industrial site Introducing our selection of BS4343/CEE17 type industrial plugs and sockets.
OUR RANGE OF 110V AND 240V PLUGS AND 110V SOCKETS ARE DURABLE AND VERSATILE.
Now available to order For more information call us on 01933 677668 or email sales@smjuk.com
www.smjuk.com
Also available from SMJ Untitled-5 1
24/10/2018 12:00
COLUMN
ASK THE EXPERT: RCDS
Updated again! We constantly update our website with new products covering interior and exterior areas, commercial, education, industrial and even domestic applications. All Emelux products are available with a next day delivery, meaning they can complete a project even when design and purchase decisions are left until the last minute. Emelux products are tested and selected to provide high quality, competitively priced lighting equipment to comply with the relevant British and European safety standards and are CE marked. Please visit www.emelux.co.uk regularly for new and comprehensive product details, and for sales and for any further information, including photometric details, please contact: sales@emelux.co.uk
Eclipse
Paul Collins, technical and training manager from Hager, summarises some of the most frequently asked questions Hager has received in relation to RCDs – an important section that has been completely revised as part of the 18th Edition – as well as common queries concerning RCCBs and switches.
LED adjustable circular wallwash luminaires
Duo LED dual up and downlight surface luminaires
Satellite LED decorative wall luminaires
Discus LED circular luminaires
Pouch
What has changed regarding RCDs? The new regulations covering RCD technology selection has set out a requirement for specifiers to select the appropriate RCD from the range of four types available. RCDs can prevent fatal electric shocks and is a generic term that covers a range of products, including RCCB, RCBO, SRCD, FCURCD, CBR and MRCD. RCDs offer a level of personal protection that ordinary fuses and circuitbreakers cannot provide.
What type of RCD should I use? RCD use has been in existence for a long time and the new regulations have clarified their selection and specification in order to further enhance safety standards. Electrical contractors need to carefully consider the type of RCD required depending on the type of equipment which may be connected in the installation.
• Type AC RCD Type AC RCD is able to detect and respond to AC sinusoidal residual current only. • Type A RCD A type A RCD is able to detect alternating sinusoidal residual current and residual pulsating direct current suddenly applied or smoothly increasing. • Type F RCD A type F RCD is able to detect and respond to high frequency residual current, as well as pulsating DC residual current.
LED square amenity luminaires
Arrow LED batten luminaires
Cirrus LED circular amenity luminaires
Spear LED batten luminaires (continuous system)
• Type B RCD A type B RCD is able to detect and respond to all types of residual current, including smooth DC residual current
Halo Wafer
LED circular surface and suspended luminaires
Wall mounted LED uplight luminaires
What is the change to overload protection of RCCBs and switches? Diversity can no longer be used to assume overload protection of RCCBs and switches. The simplest way of ensuring that a consumer unit conforms is to make sure that all RCCBs and switches are rated at or above the rating of the upstream protection, i.e. if the cut out fuse is rated at 100A, all switches and RCCBs within the board should also be 100A. Alternatively, contractors can ensure that the sum of the current rating of the downstream loads is less than or equal to the rating of the RCCBs or switches.
Stratos
LED dual up and downlight surface luminaires
Slice LED feature lighting luminaires
Omega LED circular decorative luminaires
Stave LED batten luminaires
Quattro LED beam/wash surface luminaires
Hager, hager.co.uk/18thEdition; facebook.com/HagerRegsLive
www.emelux.co.uk November 2018 | 25
Hager Column.indd 25
the website to watch 25/10/2018 14:06
Work smarter with the ET4000 Series Get ahead of the game with the new Martindale multifunction installation testers
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ET Series advert 244x340mm rev6.indd 1 Untitled-8 1
04/01/2018 07:11:51 22/05/2018 11:53
LOCK OUT KIT SAFETY CAMPAIGN
FEATURE
THE SHOCKING TRUTH It’s easy to forget how dangerous electricity is when you work around it every day, but the importance of safe working practice must never be underestimated. ECN hears about about a new campaign which is aiming to change attitudes to workplace safety for good.
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n the UK, there are a number of regulations and standards which cover electrical work. There’s the overarching Health and Safety at Work etc Act 1974, which sets out the general health and safety duties of employers, employees and the self-employed, and under this the Electricity at Work Regulations 1989, which ensures precautions are taken against the risk of death or injury from electricity in work activities. Then there’s the official guidance from Electrical Safety First and the Health and Safety Executive (HSE), which give further recommendations on how to work in the safest way. Yet despite all these rules and regulations, hundreds of people are hospitalised every year because they come into contact with electricity or electrical discharge at work, and an average of six people die. So why is all this industry guidance failing to protect contractors and installers? Unfortunately, the answer may lie close to home.
Reality of safe working practices New research carried out on behalf of Super Rod has found that contractors risk their lives everyday by not following basic safety procedures like using a lock out kit or a voltage tester to prove dead before starting work.
“Contractors risk their lives everyday by not following basic safety procedures.”
825 members of the Electricians Community Forum group on Facebook were surveyed about their safety habits and the findings make shocking reading; a quarter said they rarely or never used a lock out kit to isolate the electrical supply they are working on and one in five don’t even carry one in their van or tool bag. Without a lock out kit in place, installers are ‘working live’, in direct contravention of the Electricity at Work Regulations, which clearly state that ‘no person shall be engaged in any work activity on or so near any live conductor (other than one suitably covered with insulating material so as to prevent danger) that danger may arise’ unless it is absolutely unavoidable and proper precautions are taken. Instead of using a lock out kit, contractors have many alternative ways to ensure their safety, from using signage (44%) and tape (19%) to verbally telling other trades what they are working on (2%) to avoid accidents. A few respondents said they took no precautions at all (2%). So, why don’t contractors use a lock off kit or another safe isolation method? A third of installers said they worked alone so didn’t need to use one (31%), one in 10 (10%) said they were too much hassle and others felt they were too expensive (9%). 10% didn’t use a lock out kit because their employer didn’t provide them with one, and 4% said they couldn’t find them in their local wholesalers. The survey also asked about attitudes towards using a voltage tester to prove dead before starting work. After all, dead working should be the normal method of carrying out work on electrical equipment and circuits. One in 10 respondents said they didn’t use a voltage tester, and a third of respondents (33%) thought they were experienced enough not to make a mistake, so didn’t need to prove dead. A quarter of contractors (25%) said they didn’t use a voltage tester regularly because theirs was broken or needed new batteries.
Michael’s story The survey was commissioned by Super Rod and Louise Taggart, whose brother Michael Adamson died as the result of an electrical incident in August 2005. Aged just 26, Michael was an experienced electrician, but due to a number of health and safety failings on the site he was working on – including the failure to implement safe isolation procedures and a failure to provide lock off devices and testing equipment – he came into contact with mains voltage power and was pronounced dead. His employer was found guilty of health and safety offences and fined £300,000. After the conclusion of the trial, the HSE said that, “Michael Adamson’s death could have been prevented had his employer ensured that safe working practices were being carried out in accordance with the company’s own written procedures.” This ‘justice’ came as little comfort to the family, and Michael’s sister Louise. She was an employment lawyer for a top Scottish firm but gave it up to go into the field of health and safety after Michael’s death. She wants to ensure what happened to her family will not happen to anyone else’s. Louise says, “Attitudes towards safe working practices in the electrical industry desperately need to change. People regularly come to me with anecdotes and examples of unsafe practice that they come across, and the survey results are sadly very reflective of what I hear on a weekly basis. “At the trial of Michael’s employer in 2008, the sheriff – the judge in the case – said that many electricians had a macho and cavalier attitude to their work and to taking the necessary safety precautions. She also said that attitude needed to be altered and that ‘employers and management had to help bring it about.’ But we are now 10 years on and the survey results suggest this is still an issue today.”
November 2018 | 27
Lock Out Kit Safety Campaign – Super Rod.indd 27
25/10/2018 11:07
FEATURE
Michael Adamson
LOCK OUT KIT SAFETY CAMPAIGN Electrical Safety First states that contractors must not allow or condone dangerous working practices, but if the survey is indicative of the mood of the industry, even those who have been in the business a long time do not follow protocol. What message is this sending to those just starting out? Louise adds, “The most established and experienced electricians in the business have a real responsibility to ensure that apprentices and people coming into the industry continue to observe best practice. They must not encourage or turn a blind eye to short cuts because otherwise we’ll continue to see future generations of electricians put at risk from unsafe working practices.” Official stats seem to suggest the electrical industry is getting safer, but that clearly doesn’t paint the whole picture. In one candid, off-the-record survey, the real story of what goes on when an inspector isn’t present has been sharply revealed. Louise concludes, “I hope that the findings of the research become a springboard for positive change in the industry and raise awareness of the need for change.” “I want the campaign and Michael’s story to make electrical contractors think twice about the consequences of what might happen if they aren’t working safely. They might think that using a lock out kit is too expensive or too much hassle now, but it’s a small price to pay to get home to their families every night.”
ECN-Editor.pdf
25/10/2018
The safety awareness campaign is being supported by Super Rod. Managing director Malcolm Duncan heard Louise speak at a conference in Scotland last year and was inspired to get behind her cause. “As soon as I heard Louise tell her story, I knew it was something we had to support to help her raise awareness. We didn’t know how widespread the issues of non-compliance would be but the reality revealed by the survey was worse than we had initially thought,” says Duncan. “The use of a lock out kit and voltage tester needs to be standard practice for every contractor and installer, and we are committing our own resources to raising awareness of the issue and finding solutions that will encourage smarter, safer working environments.
“Any lapses in safe working practices can have devastating consequences.”
“So far the industry response to the campaign has been very positive and people are taking notice of what we are saying. This isn’t the last you will hear of this campaign, and we will be announcing plans in the coming months about how contractors can be part of the next phase.” Michael’s story really hits it home that any lapses in safe working practices – whether intentional or otherwise – can have devastating consequences. Contractors work in a dangerous environment, and we must not take it for granted that even the most experienced professionals will return home to their families every night. To read more about Michael’s story, visit michaels-story.net. Super Rod, super-rod.co.uk
16:41
WE’RE HIRING!
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Fighting the cause
Have you got what it takes? , the industry leading electrical contracting magazine, is looking for a new editor. Current editor Kayleigh is heading off to trot the globe, so we’re on the hunt for a tip-top new editor to take the helm. From commissioning content to staying up-to-date with the latest news in the sector, it will be your responsibility to keep ECN at the forefront of the industry. If you are looking for an exciting new challenge based in our Kent offices, please send your CV and a covering letter to David@allthingsmedialtd.com
Lock Out Kit Safety Campaign – Super Rod.indd 28
25/10/2018 16:51
SOLV5 IS HERE
Our new LED Lighting solutions catalogue is out now.
PENDEEN FLOODLIGHT The Pendeen floodlight is a high power, low maintenance solution for your outdoor lighting needs. With multiple beam angles, rotatable fittings and excellent efficacy, the Pendeen Floodlight delivers flexibility and longevity.
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HYSKEIR ELITE 01923 692 600 01923 692 659 sales@venturelighting.co.uk venturelightingeurope.com
ECN_Advert_October_2018.indd 1 Untitled-8 1
The Hyskeir Elite Highbay is a premium, high-efficiency Highbay, designed using the best components available. We can achieve 140 lumens per Watt whilst maintaining this performance at a raised temperature level of up to 65ËšC; suitable for the most demanding industrial applications.
18/10/2018 19/10/2018 16:22 16:53
Save time. Complete more jobs. Wireless lighting control Fast installation
Simple setup
Wireless controls install 70% faster and have a 10-year battery life
Vive Wireless is great; it saves on time and labour wages. Vive is very user friendly to program, any contractor can do it. Actually‌ I think anyone can do it. Joseph Luna—Estimating/Engineering Manager, Lighting Technology Services
Š 2018 Lutron Electronics Co., Inc.
Untitled-8 1
lutron.com/vive-europe
19/10/2018 16:54
SPONSORED FEATURE
TIME TO TAKE CONTROL David Ribbons, senior sales director Europe and Africa at Lutron Electronics, explains how forward-thinking contractors can make the most of wireless lighting control.
L
ighting is a cornerstone of the electrical industry. From residential projects to large-scale commercial installations, lighting can use more electricity than any other building system – and as such, couldn’t be better placed to benefit from smarter control. The advantages of lighting control are extensive. Not only can the use of dimmers and sensors save energy by utilising natural sunlight and only lighting areas when needed, they can also improve the wellbeing and productivity of end-users by creating the right visual environment. For contractors, wireless lighting controls reduce time and material costs, speeding up the install process and adding flexibility to the type and size of installation, both for new and retrofit projects. Savvy contractors can capitalise on the growing demand for smart lighting control by staying ahead of the latest technology and trends, adding another avenue of expertise to their business offering.
Vive offers simple, seamless lighting control to commercial buildings
“Dimmers and sensors can improve the wellbeing and productivity of end-users by creating the right visual environment.”
Wealth of experience With over 50 years’ experience, Lutron understands the evolving needs of the lighting industry. Founded in 1961, the company is the architect of modern lighting control, and has become a global leader in both the commercial and residential sectors. With a longstanding history of innovation, Lutron manufactures more than 15,000 energy-saving products, sold and distributed in over 100 countries worldwide. Anticipating the move towards a more energy-efficient future, Lutron products save an estimated 10 billion kWh of electricity, or approximately $1 billion in utility costs per year, in the US alone. Lutron designs products to meet both the demands of the installer and the end-user. Due to the increasing pressure on contractors to do more for less and in a shorter period of time, Lutron’s products offer intuitive lighting control that saves both time and money during installation. At this year’s LuxLive show, Lutron will be showcasing two such products, which offer simple, scalable and affordable wireless lighting solutions.
Designed to be simple, fast and flexible, RA2 Select provides a wholehome lighting and shading control system
Make a house a smart home
Commercial control
RA2 Select is a whole-home lighting and shading control system for residential properties. The system has been designed to be simple, fast and flexible – offering easy installation and scalability for the installer, and smart home capabilities with personalised control for homeowners. End-users can control the system via a free app, allowing them to monitor and adjust lights and blinds on their smart device – turning any residence into a smart home. RA2 Select seamlessly integrates with other smart home technologies, offering personalised control for any budget. For installers, set-up is as simple as downloading an app. No prior training is needed for set-up – RA2 Select automatically configures light and blind levels. As the only wiring required is the in-line dimmers and in-line switches, RA2 Select is ideal for retrofit applications and can save costs in new projects. A versatile and affordable solution, it can be scaled to meet a variety of different requirements, as the mains repeater – as well as any auxiliary repeaters for extension – are plugged directly into power. Decorating and finishing work won’t be delayed by installation of the system, as all wireless switches, dimmers and sensors do not require any intrusive work. Any existing switches can simply be replaced by removing the wired switch, terminating existing cables in the backbox and covering with a new faceplate.
Vive brings simple, seamless lighting control to commercial buildings, making it easier than ever to bring energy-savings and comfort-enhancing benefits to large projects. Simple to install and scalable to any size project, the wireless Vive system installs 70% faster than wired systems, reducing labour time and cost for contractors. The solution is designed to adapt to the changing needs of a building over time for added flexibility, and is ideal for retrofits and renovations, removing the requirement for extensive new wiring and disruption to the operation of a building. Vive is ideal for any size commercial project, from office spaces to schools and universities, and for retail applications. The solution offers the right level of control to meet each project’s specific needs, making it easy for building owners and facilities managers to create comfortable environments, while also saving business operating costs. Its scalability means owners can start with one room and evolve to full floors, buildings and even multiple buildings – all managed by one system. The lighting system can be scaled up or down when needed without new wiring, eliminating the need for call backs. To contractors, Vive represents a reliable, simple, time-saving product that’s versatile enough to control all light sources in any size commercial building – and is affordable for most budgets. Lutron will be exhibiting both RA2 Select and Vive at LuxLive 2018, November 14-15 at London ExCeL. For more information, visit Lutron at stand H12, or book a meeting by emailing LuxLive@lutron.com. Lutron, lutron.com/vive-europe, lutron.com/ra2select-europe
November 2018 | 31
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25/10/2018 09:57
FEATURE
THE FUTURE IS CONNECTED Dean Jepson, European managing director of smart heating controls manufacturer SALUS, explains how the smart home can help contractors to grow their business.
T
here’s no two ways about it, the future of our homes is connected. More commonly known as the smart home, this is where all our gadgets or devices can be controlled remotely – either by our phones, tablets or computers, or even via a voice-controlled assistant. Smart home technology used to be the preserve of the superrich. Today, however, it’s open to everyone. From controlling our heating, lighting and security systems, to indoor and outdoor cameras and smoke detectors, these devices can be programmed to work together to remotely control many aspects of our home and all via a specially designed app.
SALUS’ SR600 relay enables users to take control of their smart home
A decade ago, the idea of controlling our home’s thermostat, lights and security systems remotely via a smartphone would have seemed like something from a sci-fi movie. Today, however, it’s estimated that around 25% of consumers in the UK currently own at least one smart home device, with security and lighting control being the most popular.
Adaptable environment The dawn of the smart home now enables us to optimise our home environment to suit our lifestyle and needs. We can enjoy added convenience, control, energy savings, and create an overall smarter home.
All we need to do is set the schedule, and the rest is automated based on our personal preferences. With some devices able to learn our behaviours and patterns, some settings can even be adjusted automatically. Any other changes can simply be made using the app. Whether it’s a water leak, unexpected access to the home, or even a rise in carbon monoxide levels, we can be alerted immediately. Of course, the service engineer or security company will be notified automatically too. From viewing visitors at the front door on the TV, to turning the music system on by using voice recognition, just about anything can be connected in the home. As the convenience of smart home devices flourishes and the simplification of mundane day-to-day tasks become easier and easier, the demand for home automation continues to grow.
32 | November 2018
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24/10/2018 09:50
SMART HOMES
Expanding opportunity The rise of the smart home opens many doors for electrical contractors. These products are the fastest growing controls on the market. Indeed, statistics from MTW Research suggest that 50% of consumers are likely to install smart heating products in their homes over the next five years. And, according to research by pwc, around 30% of people are planning to purchase a smart device for their home in the next two years – up from 14% in 2016. Furthermore, it’s estimated that around £10.8 billion will be spent on smart home devices in 2019 alone, with 40% of device owners expected to upgrade within two years. Whilst there are various claims of smart home installations being ‘easy’, the reality is that many of us – particularly those who are not tech-savvy – need help installing this new generation of products. This brings numerous opportunities for you to grow your business and extend your services to installing connected smart home devices.
Staying ahead With multiple smart home devices now flooding the market, it can be difficult to know which products to recommend, so firstly it pays to align yourself to a manufacturer who has a proven track record in smart home technology, and one who offers a comprehensive range of connected devices. Also, check out those manufacturers who are offering free
training on smart home products in your local area. Ideally, you need to be talking to a manufacturer who can provide a central gateway device and a smartphone app necessary to create a connected home. Once the gateway device and app are up and running, a variety of household devices can be connected, and more products can be added further down the line. Popular smart home products include plugs that switch lamps on and off, door and window sensors, smoke alarms, CO2 alarms, indoor and outdoor cameras, smart switches, smart buttons, and even electric monitors that provide data on any particular product. The options are endless. Whilst control scenario set-ups are unique to every homeowner’s needs, they typically include; turning off all the lamps and radiators in the home five minutes after the front door has closed, turning down the thermostat if the windows have been left open for more than ten minutes, and switching on the lights and radiators 20 minutes before arriving home Whilst homeowners will get to benefit from smart products, you will get to capitalise on new and lucrative opportunities to expand your services. Looking further ahead, it’s believed that homes will soon become intelligent enough to distinguish between family members and guests within physical spaces and adapt to their individual needs based on biometrics like fingerprints, body temperatures, and even the rhythm of our own heartbeats.
“25% of consumers in the UK currently own at least one smart home device.”
While this may be difficult to comprehend right now, in reality it’s actually not so far off. Companies are already pouring millions of pounds into developing technologies that seamlessly integrate our digital and physical worlds within our cars and homes. Therefore, it pays to be a smart contractor and to keep on top of all the latest developments in order to best serve your customers. Without doubt, the future is connected.
FEATURE
The new smart home system from SALUS
SALUS, salus-smarthome.com
2018
AWARDS
WINNER FINALIST
making connections beautifully
BRITISH MANUFACTURER
For more information visit www.hamilton-litestat.com info@hamilton-litestat.com +44 (0)1747 860088
Smart Homes – Salus Controls.indd 33
Wiring Accessories • Circuit Protection • Smart Lighting Control & Multi-room Audio
INDUSTRY PARTNER
24/10/2018 09:50
Exit Stopper
®
Newly redesigned for global use
Prevents misuse of entry and exit doors
• Visual and audible warning • Low battery indicator • Easy installation
www.sti-emea.com info@sti-emea.com 01527 520 999
ECN half page_Oct18_PremaLine_PRINT.pdf 1 17/10/2018 17:41:22
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Untitled-10 1
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25/10/2018 14:59
WIRING ACCESSORIES
SPECIAL FEATURE
MADE TO MEASURE Modular electrical installation systems are nothing new, but the last couple of years have witnessed a significant increase in their use across a diverse range of applications. Mark Redfern, managing director at Wieland Electric, examines the reasons behind this growth in popularity amongst electrical contractors and the benefits that modularity offers.
A
lthough modular installation systems have been available for well over two decades, slow initial uptake and a certain degree of suspicion about their proposed benefits meant that traditional hardwired systems remained the first-choice solution for many electrical contractors. However, no longer the ‘new kid on the block’, modular wiring has, thanks to its use on a number of high profile and large-scale capital projects, become firmly established as a medium for the distribution of lighting and power circuits. What’s more, the use of cutting-edge manufacturing techniques and materials now offers a factory produced, assembled and tested wiring system that is reliable, flexible, robust and sustainable, and can reduce installation times by up to 75%.
Make the connection Pre-fabricated wiring forms part of the bigger picture in a modular construction framework, with a focus on shorter timeframes, a more consistent level of quality, versatility of use and financial cost savings. According to research carried out by the Building Cost Information Service (BCIS) on behalf of the Royal Institute of Chartered Surveyors (RICS), only 63% of site-based construction projects are delivered on time, and only 49% are delivered to budget. In light of these statistics it is no surprise that traditional methods are questionable when it comes to meeting the major challenges facing construction. The concept behind a modular installation is simple – from a pre-approved design, a manufacturer produces and tests a system in a quality-controlled environment, providing a complete installation from the respective distribution board to the furthest point of a circuit. Virtually any installation,
“Much of the construction industry has embraced modularity as the most sensible way to approach larger projects.”
regardless of size and complexity, can utilise this technology, with components delivered to site and simply connected together in a complete ‘plug and play’ installation. It vastly reduces, and in many cases eliminates, the need for on-site electrical connections and cuts the number of qualified electricians required to carry out installation work, with subsequent advantages in terms of installation time, health and safety and increased margins. Furthermore, installation schedules can be completed with greater predictability and by reducing work on-site, there is far less risk as a result of improperly configured assemblies and installer variability. As already mentioned, many of the leading modular installation solutions are pretested, ensuring that all connections perform to standard performance criteria. Some suppliers will provide these certifications as a guarantee that the product performs to the highest levels.
November 2018 | 35
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24/10/2018 09:51
SPECIAL FEATURE
WIRING ACCESSORIES
Grand designs Perhaps one of the primary reasons that pre-fabricated wiring technology has been something of a ‘slow burner’ is that it requires a change in working practices, since more design and planning is done in advance. This usually starts with a site survey but can be off-plan if drawings are sufficiently accurate. However, by working closely with a trusted manufacturer, electrical contractors can design and evaluate the electrical requirements of the scheme, measure the lengths of cables required, including the number of home runs needed, and agree a timetable for delivery. The key to making this approach work to best effect is to treat a project as a blank canvas and explore all different power delivery solutions in order to come up with the perfect bespoke system. For example, power may be fed through the floor and/or ceiling and work alongside hardwiring. The clear advantage of modular wiring becomes clear during the second-fix stage, when the rapid speed of connection is indisputable and the time saved has been shown to outweigh the initial cost of the system. Project managers then have the flexibility to free up personnel more quickly to tackle other work and, with electrical contractors under increased time pressures and facing penalties for work going over time, a modular installation system can make a massive difference. Additional timesavings can also be achieved by making use of other innovative product developments, such as a flat cable connection system that combines a busbar and cable into one product. These use a safe tap-off adaptor with a piercing contact that eliminates the cutting and stripping of cable.
Standard issue Although the basic premise behind modular installation systems has remained the same over the last 20 years or so, the technology that is contained within them and their overall configuration has developed enormously. For instance, systems must now meet the requirements of BS 8488-1, which was initially published February 2009 and amended November 2010 to become BS 8488:2009+A1:2010. It identifies the need for system design, installation and verification for conformity with BS 7671, and guarantees that manufacturers supply solutions that meet a defined standard. The need for BS 8488-1 was identified as a result of a number of serious safety concerns with some manufacturers’ systems, and it addresses issues such as protection against electric shock, insulation resistance and electric strength, clearance and creepage distances, and resistance to heat and fire. It also provides a guide to use and applications, including environments within suspended floors and ceilings, and also stipulates the need for clear instructions – each cabling section should be clearly labelled and crosschecked against an installation drawing. Wiring components for lighting and power systems should be colour-coded and polarised in such a way that one system cannot be plugged into the components of
another system. Any connectors must be manufactured and tested in accordance with IEC 61535 – installation couplers intended for permanent connection. Likewise, unused connectors must have fully shrouded pins, while the cable termination of the connectors should ensure maintenance-free operation during the lifetime of the installation.
A product of the environment As the construction industry increasingly turns to more environmentally-friendly products and working techniques, there is a substantial sustainability argument in favour of modular installation systems. Despite the current economic climate, the pressures on project costs have not diminished the appeal of green installation methods. Clients expect to see progress in the development of ever smarter buildings and modularity has a massive part to play in achieving this objective. A modular installation system does away with on-site cutting and fabrication, eliminating wastage and improving health and safety. There is also less packaging and what there is will often be re-usable, so the cost of waste removal from a site will be avoided. Exact quantity ordering also means that materials are not over-supplied and waste is therefore reduced, while components can be packed and labelled on a room, zone, floor or even building basis. On-site storage is increasingly an issue – the popularity of the ‘just in time’ inventory practice means that customers are increasingly demanding materials to be delivered to a site immediately before they need to be used. Precise programming enables just in time delivery of materials and equipment and, in addition, it can be scheduled to keep pace with the progress of the installation and adjusted to accommodate any changes. Just as importantly, if a large proportion of any work can be scheduled to
take place at a time of the contractor’s choosing, it is more efficient than sending personnel to a site at a time dictated solely by a construction programme.
“A modular installation system does away with on-site cutting and fabrication, eliminating wastage and improving health and safety.”
Is modularity the most efficient approach to larger projects?
Train to gain On the surface, a modular installation solution could be viewed by the electrical contracting sector as a threat – taking some of the skill out of the profession. However, the opposite is true, as successful design, planning, configuration and installation requires experience, skills and knowledge. The skills shortage within the electrical contracting sector is well documented, with the number of experienced and qualified electricians set to fall significantly in coming years. Therefore, giving employees the knowledge required to enhance their expertise in modular installation systems not only helps ‘up-skill’ a workforce but also offers a significant revenue stream and provides a competitive advantage. Furthermore, education and capability building is key to building a resilient business and reputable manufacturers will be prepared to offer site-based training in how to maximise the effectiveness of their systems.
The time is now Although it has taken many years for the message to finally get through, modular installation systems are definitely here to stay and will only grow further in popularity. Much of the construction industry has embraced modularity as the most sensible way to approach larger projects. The triple benefits of faster project turnaround, greater environmental and operational efficiencies and financial savings are enabling electrical contractors to complete even the most complex installations more quickly and efficiently than ever before. The future is undoubtedly modular. Wieland Electric, wieland-electric.com
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4.0A (3.0A + 1.0A) | 3 USB Ports | High Speed Charging | Fits 25mm Back Box * * Slimline and Vimark Ranges 25mm Back Box, Ultra Ranges 35mm Back Box
t: 01582 544 544
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e: sales@detaelectrical.co.uk
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w: detaelectrical.co.uk
25/10/2018 15:50
FEATURE
WIRING ACCESSORIES
EXPERIENCE SEEKERS Emma Segelov, head of marketing for MK Electric, looks at how changing retail patterns are driving demand for decorative devices.
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he rise of online shopping has changed the way consumers use the high street. Increasingly, they are favouring an enhanced ‘shop and stay’ approach, which marries retail and leisure. Central to this experience is the right ambience, which can only be created if the finer details of the décor are just right. Thankfully, the latest generation of design-led wiring devices is available to help give customers what they want. According to Barclays, fewer consumers are heading to the UK high street just to purchase goods[1]. They can do that online with increasing sophistication, thanks to services such as next-day delivery, free returns and even virtual dressing rooms, so why would they move from the comfort of their own homes? The answer, entertainment. Consumer spending on experiences and entertainment grew by 10.5% last year, and savvy retailers are looking to capitalise on this trend. Over a third (36%) now host events in-store, such as classes, courses, and exclusive sales previews, with 19% planning to start doing so in the next three years[2].
This is also good news for other businesses, such as cafés, bars, and salons who are likely to benefit from this new lifestyle-led approach to retail. Indeed, the traditional art of barbering has been reinvorigorated by growing interest in male grooming; 70% of men spend one to three hours a month getting groomed at a stylist or barber compared to 39% of women[3]. This has led to an influx of so-called ‘lifestyle barbers’, where men not only get their grooming needs met, but also socialise with their friends. But how do these retail trends affect the specification of wiring devices?
Making it personal
Retailers are looking to bring individuality to their interiors – including their choice of wiring devices
As customers become more demanding about how and where they spend their money, retailers are more interested than ever in bringing a touch of individuality and high-tech luxury to every inch of their interior. Many of the experiences that consumers seek are reliant on having plentiful and reliable access to electrical accessories for powering and charging devices. For example, the ability to charge a smartphone device whilst at the salon, or to play a games console at a ‘lifestyle barber’. Therefore, although they may be small in size, light switches, dimmers, and socket outlets are playing an increasingly significant role in the design or refurbishment of retail. With bespoke wiring devices available to suit every interior style, contractors can offer their retail customers the opportunity to create a unique environment and deliver an unforgettable experience to their visitors. While traditional moulded white products have gradually evolved into sleeker, stainless steel and chrome options, there are plenty of retailers who want a more tailored design to match their
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WIRING ACCESSORIES interior. Due to this, there are now more sophisticated products with unique and luxurious finishes in the market. The wide choice offered by manufacturers means that products such as sockets, switches, and dimmers can now blend seamlessly into their surroundings, regardless of the interior aesthetic. Indeed, they can also be selected to stand out as a focal point in their own right. The MK Elements collection, for example, offers distinctive designs in 16 standard finishes across four material groups: naturals, synthetics, glass and metallics, as well as an almost endless variety of custom colours, materials and finishes options.
Finishing touch The explosion of smartphones and tablets has also driven a demand for touchbased technology for all electronics, as consumers seek the familiar, tactile motion that replicates how they interact with their cherished mobile devices. In line with this trend, the MK Elements collection also offers electronic touch control dimmers and switches, allowing users to control lighting levels with a simple swipe. Whilst this feature may be more for the retailer’s use than the customers, the luxe feel of touch-tech is the ideal upsell for business owners aspiring to create a truly modern environment. For even greater personalisation, the online MK Elements Design Tool allows
“Retailers are more interested than ever in bringing a touch of individuality and hightech luxury to every inch of their interior.”
specifiers, contractors and end-users to design their own customised light switches, dimmers, and electrical sockets for an end product that is truly bespoke. After saving their creations, they can then create project shopping lists, request quotes and samples, and save images of custom and standard products. Today’s savvy shoppers demand so much more from their high street experience, which means retailers must take care of every tiny detail. Contractors can add value with stylish, flexible, and personalised wiring devices to ensure every aspect of their premises helps to create the desired ambience.
FEATURE
References [1, 2] Internet Retailing, ‘Shop and stay’ consumers want new and engaging high street experiences – but will spend more when retailers offer in-store, eventsinternetretailing.net/themes/ themes/shop-and-stay-consumerswant-new-and-engaging-high-streetexperiences--but-will-spend-more-whenretailers-offer-in-store-events-15769 [3] Huffington Post, Men Spend More Time Grooming In The Morning Than Women, Says Study, huffingtonpost. co.uk/entry/men-spend-moretime-getting-ready-study_ us_5697c87ce4b0b4eb759d6606
MK Electric, mkelectric.com
Freedom of Installation Our unique 360 degree rotating controller gives the installer the versatility to flip the towel rail to meet their customer's needs.
T: 029 2130 3710
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E: sales@premspec.co.uk
www.premspecelectrical.com
24/10/2018 09:54
SPONSORED FEATURE
SOCKET REVOLUTION BG Electrical discusses the changing role of the socket as it adapts to the technological revolution that is transforming the needs of modern households.
A
few decades ago, the idea of one family sharing a computer was an optimistic thought for computer manufacturers. Now, everyone has a computer in their pocket. It was not until the advent of computers, the internet and mobile technology we saw the average household change so much since the introduction of electricity. Through computers and mobile devices, people have more access to information and are more connected than they have ever been. With Wi-Fi becoming as valuable a necessity as electricity for everyday life and business, it has been called a human right by six nations, with others debating the issue. With over a third of adults owning at least two mobile devices and one in ten having at least four mobile devices and more than four TVs, it is clear to see the outlet feeling the strain.
Following trends
USB charging ports free up sockets for other use
Seeing these changes in modern households and trends in technology, BG sought to develop and produce a product which was tailored for a family’s vital appliances whilst helping keep them connected. On seeing the growing trend in mobile devices and tablets, and the need to stay connected, we decided to dip our toe into the water with what would turn out to be our now market-leading USB sockets. Starting with a 35mm backbox with two USB outlets providing a 2.1A charge, we found a demand in modern households for better charging. Freeing up the outlet by providing two USB charging ports, it was a hit. Seeing this response from the market, we have continually built on our USB socket range and adapted it to better serve our customers.
From a 35mm backbox, we’ve compressed and packed our new models into a 25mm backbox for easier retrofitting, and the new models are available in a variety of finishes to seamlessly integrate into a home. With the option of single and double sockets, BG offers up to four USB charging ports with these outlets, as we have seen consumers embrace tablets and mobile devices. When we first launched our USB sockets, a 2.1A would be a sufficient charge. With phones and tablets becoming more powerful, we have upped our charging power to 3.1A and 4.2A charge to keep up with these changing times.
Encouraging innovation More recently, yet another BG Electrical innovation was born with our new Wi-Fi range extender socket, which also includes USB charging ports. These product ranges seamlessly incorporate the reliable charge of a conventional plug socket with two useful USB features for the modern home. Using ‘smart USB’ charging technology, it recognises the device connected and adapts the charge pattern to ensure compatibility. Its smart electronics monitor the load and will automatically shut down in an overload condition, preventing the risk of damage to the connected device. This development in the socket found a gap in both the marketplace and regulations which caused the BS1363-2 standard to be updated to include USB sockets. BG’s Wi-Fi socket range extender is the first of its kind, designed to eliminate patchy Wi-Fi zones in your home or property. From computers and mobile devices to smart TVs, a strong wireless connection is more important now than ever. However, we have seen homeowners hampered and frustrated by dense walls or new conversions which are just out of reach of an ideal connection. This device can extend a Wi-Fi router’s range by 300Mbps or up to 30m. It can be easily integrated into everyday wireless routers and is simple to both fit and use, repeating the signal strength to help the end-user stay connected.
Both product ranges are designed for quick and easy retrofitting. Manufactured to fit into a standard 25mm wall box, it allows easy installation and replacement of an existing socket.
“With over a third of adults owning at least two mobile devices it is clear to see the outlet feeling the strain.”
Changing future In a time as short as a decade with the changes and developments we have already seen, we may not recognise the next reincarnation of the socket. It is no doubt that we are becoming ever more reliant on the computers and mobile devices for our everyday life and a new device or product can change everything. This device may demand greater integration into modern homes or require its own unique power supply. With the rise of intelligent personal assistants and home automation, we can see more opportunities for outlets to greater support and improve the lives of households in the future. With the next trend or innovation pulling the industry and homeowners in a certain direction, we will have to wait and see how our sockets might adapt to meet it, but we are certain of one thing; BG Electrical will be at the forefront with a product to meet your needs. BG Electrical, bgelectrical.uk/wifi; usbeautiful.co.uk
40 | November 2018
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Wi-Fi Socket
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BG_NewFinishes_WifiAdvert_244x340mm_ECN.indd 1 Untitled-8 1
BG is a registered trademark and member of the Luceco plc group of companies
17/10/2018 19/10/2018 11:59 16:55
SPECIAL FEATURE
HVAC
CLEAN CONSUMPTION John Rush, subject matter expert (SME) – HVAC, from specialist cleanroom design and construction provider BES, discusses the need for a more energy-efficient approach to cleanroom design and the critical role of HVAC design and specification in achieving lower energy consumption.
I
t’s hardly surprising that energy efficiency is not a core priority for the senior technicians and pharmaceutical professionals involved in determining the design parameters for new cleanrooms. Their key concerns are with the facility’s functionality and performance as a validated cleanroom within the required ISO class. And rightly so. Cleanrooms are the environments within a pharmaceutical production plant, hospital or manufacturing environment where avoiding contamination of the materials in process is mission critical. Environmental efficiency and technical compliance are not mutually exclusive, however. In fact, a holistic approach to designing energy efficiency into the requirements of a cleanroom can result in a working environment that meets Good Manufacturing Practice (GMP) requirements, while complementing the wider energy management strategy of the site or organisation.
Causes of cleanroom inefficiency Depending on the specific class or application of the cleanroom, up to 60% of the facility’s energy consumption is usually accounted for by its HVAC system.
Ostensibly, this is unavoidable because of the need to maintain a controlled environment through heating, cooling, humidity control, air changes and pressure regimes. However, innovative design approaches and bespoke specification of HVAC systems to meet the specific needs of the end-user can reduce energy demand of HVAC systems by as much as 50% by avoiding common assumptions and over-specification. While cleanrooms are designed as specialist work environments, generic commercial thinking often pervades specification of the HVAC system, resulting in a tendency to include future proofing in the design for additional processes, equipment or staff beyond immediate requirements. This can have a significant and unnecessary impact on the facility’s energy consumption, far beyond the negligible additional energy loads involved in futureproofing a centrally air conditioned office of a similar size, where air flows are likely to be around five times less. Consequently, part of the cleanroom specialist’s remit is to fully interrogate the brief and understand the immediate needs of the organisation. The impulse to over-specify is often underpinned by the lack of clarity offered by current guidance. While air change requirements are dictated by the cleanroom grade or classification, the guidance does not stipulate how these requirements
should be achieved. Moreover, much of today’s common specification practice does not take sufficient note of advances in calculation methodology and filtration technology that could enable reduced flow rates – and therefore enhanced energy efficiency – while still achieving the required cleanroom standard. Energy consumption is also increased by the assumed need to ensure an operational environment within the cleanroom at all times, despite the disparity in particles entering the space when it is unoccupied. By altering the temperature, humidity and air change parameters for non-operational hours, energy consumption can be reduced by up to two thirds, without reducing the cleanroom’s classification status. If a wider temperature and relative humidity band is set for non-operational hours during initial validation, and pressure regimes are maintained during these periods, much less cooling (for humidity control) and re-heat energy (for temperature balancing) is required. This approach calls upon the knowledge of the cleanroom specialist to calculate the operational and non-operational temperature and relative humidity bands required to achieve optimum energy efficiency, including the use of computational fluid dynamics (CFD) modelling data to analyse air flow and suggest possible layout or workflow modifications.
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HVAC
Designing energy efficiency into the spec It is commonly assumed that cleanrooms do not need to comply with Part L building regulations and, indeed, the decision on Part L compliance lies with the building control officer responsible. The reality is, however, that all cleanrooms can comply with Part L and it is often possible for them to exceed regulatory standards for energy efficiency and meet the requirements for a RICS’ SKA rating for sustainable fit out. To achieve this, the cleanroom specialist must be flexible enough to evolve the specification in line with the developing brief from the end-user, while using best practice data and modelling from previous installations to demonstrate how high standards can be achieved using less energy. The design team must also consider ancillary accommodation – such as change areas, stores and access routes – to ensure the pressure regime strategy supports an energy-efficient approach to maintaining the cleanroom’s controlled environment. As the cleanroom requires more cooling energy than heating, a clear emphasis should be placed on maximising the efficiency of the cooling system and selecting the correct HVAC arrangement for the installation. Where possible, latent (moisture) and sensible (heat) cooling systems should be
“Up to 60% of the facility’s energy consumption is usually accounted for by its HVAC system.”
separated to enable a reduction in the overall cooling load and the use of high efficiency chillers and free cooling. For cleanrooms with lower cleanliness requirements, where the clean air flowrate is similar to the cooling demand, a traditional air conditioning system may be sufficient, with heat recovery contributing to the re-heat requirements of humidity control. For facilities with higher cleanliness requirements, where air change rates exceed those required for cooling, partial conditioning with separate latent and sensible cooling units will reduce the fan, cooling and re-heat energy load. Outdoor air conditioning (where air from outside is used to control latent cooling and relative humidity) is the most appropriate option for larger or multicleanroom high grade facilities, where air change rates exceed those required for cooling. Here, sensible cooling is provided by a separate, primary air handling unit (AHU), removing the need for re-heat and enabling the use of high temperature chilled water from very efficient chillers, combined with free cooling to serve the primary AHU, thereby optimising cooling efficiency. In cleanrooms requiring very low space relative humidity, desiccant dehumidification may be specified for use in combination with the most appropriate HVAC approach above.
SPECIAL FEATURE
Devil in the detail It’s important to note that, while selection of the most suitable HVAC approach is pivotal to an energy-efficient specification, it is the detail of the HVAC design that will provide the substantial and sustainable energy reduction gains possible in a technicallyadvanced facility. Innovative design methodologies for reducing air moisture content before the air reaches the cooling system can significantly cut the cooling energy load, for example, and a more complex, multi-layered HVAC system will use substantially less energy overall.
Bespoke specification of HVAC systems to meet the specific needs of the end-user can vastly reduce energy demand
BES, besltd.org
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25/10/2018 15:45
HVAC
SPECIAL FEATURE
REALISING POTENTIAL David Playfoot, from heating, cooling and plumbing specialist Uponor, discusses best practice specification of district heating (and cooling) systems.
P
roviding heating and/or cooling and domestic hot water through an underground pipe network using energy generated by a centralised plant, district heating systems provide distinct advantages across a wide range of environments, including industrial sites, commercial developments, hospital and educational campuses, and residential schemes. A centralised plant means centralised maintenance and the fit-and-forget nature of the underground pipe networks mean that upkeep and maintenance are reduced. For residential schemes, specification of district heating schemes has been growing in popularity, both for new build developments and as a retrofit solution to reducing energy costs and overcoming issues with gaining access to individual properties for servicing, maintenance and compliance checks. However, for both commercial and residential installations, it’s vital to optimise the energy efficiency gains and minimise both capex costs and disruption through early engagement with a district heating infrastructure specialist.
Renewables opportunity District heating systems are suitable for use with conventional energy sources but there is an increasing trend towards the use of renewables. Commercially, this may be driven by a company’s carbon reduction plan, while for residential schemes it may be prompted by reduced costs, with the Renewable Heat Incentive (RHI) supplementing the financial benefits of lower heating bills. A new government initiative, the £320 million Heat Network Investment Project Fund provided as part of the Business, Energy and Industrial Strategy (BEIS), is also set to encourage district heating system installations and upgrades over the next few years. The funding has been made available to help increase the current 2% of homes served by district heating systems up to 20% by 2030. For some renewable energy sources, such as ground source heat pumps, the heating flow temperature may be lower than conventional boilers, making it imperative to optimise the design and layout of the infrastructure. The goal for the specifier should always be to ensure that the heat energy from the centralised plant reaches its destination at each property as
Government initiatives have been implemented to help increase the current number of homes served by district heating systems
rapidly as possible to maximise the heat energy input to the local network from the centralised plant output. This requires early engagement of the pre-insulated pipe supplier and a collaborative approach – involving the design team, the utilities provider, the contractor and the pre-insulated pipe supplier – to ensure the most efficient underground network is specified, taking into account the routes of existing underground service networks and any additional obstacles below ground.
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SPECIAL FEATURE
Uponor has assisted affordable housing provider Flagship Group in utilising renewable energy as part of a district heating system designed to reduce energy bills
HVAC
Usually, working with the pre-insulated pipe supplier in this way will not only ensure the underground pipe layout is optimised to maximise the energy efficiency of the system but may also reduce the cost of materials and installation by routing the pipework in the most efficient configuration possible.
Selecting the right pipe system District heating and cooling systems require the installation of an underground network of pre-insulated pipe. This should be durable enough to offer a long service life and resist abrasion during installation, while offering excellent flexibility so that it can be routed around obstacles and natural contours in the ground. The insulation performance of preinsulated pipe manufactured specifically for district heating installations varies considerably, and a pipe supplier should be able to advise on the most appropriate choice. This will depend on a range of criteria, including the energy source, the distance between the energy source and the end-point-user, and the size of the network. Insulation performance will also impact on the cost of the installation, as pipe with lower thermal conductivity will be more expensive. There are other ways to bring down the capex cost of the project, however. In addition to taking advice from the preinsulated pipe supplier on configuration and optimised routing, specifiers should seek their advice on the diameter of pipe required. Each section of pipe has a flow and return pipe within the insulated casing, and this should be sized to meet the anticipated demand from the end-user. Usually, there
“District heating systems are suitable for use with conventional energy sources but there is an increasing trend towards the use of renewables.”
will be a ‘spine’ of larger diameter pipe leading to a network of smaller diameter pipe ‘branches’, and early engagement with the pre-insulated pipe specialist can help to avoid over-specification. The pre-insulated pipe supplier can also advise on the most appropriate approach to installing pipe connections. For example, Uponor offers Wipex coupling connectors that offer a conventional approach to joining two sections of pipe by fitting over the join, or a ‘Quick and Easy’ (Q&E) fitting, which is installed using a special expander tool, fitting securely inside the pipe. With training and use of the specialist tool, the Q&E fitting can reduce installation costs by speeding up installation.
Reflecting real usage patterns Historically, many district heating systems have failed to achieve their potential energy efficiency because the centralised plant has been oversized. This is because the calculations used to assess the energy output required have been based on maximum load requirements, rather than actual usage patterns. On a residential development, peak energy demand for hot water can be two or three times greater than the requirement for heating and, while all residents may switch their heating on at the same time during a cold snap, it’s unlikely they will all take a bath at the same time. Consequently, even if the maximum output of the energy source is 20% lower than the maximum demand (calculated using raw occupancy data) it may still only be required at 70-80% capacity at times of peak demand (calculated based on usage patterns). Similarly, contemporary pipe systems like Uponor’s Ecoflex do not allow calcium build-up so the pipe bore should never be oversized when using a polyethylene-based pipe system as there will be no reduction in bore over time.
Flagship project One example of where a renewable energy source has been utilised as part of a district heating system designed to reduce energy bills is Orchard Close in the Norfolk village of Watton. A cul-de-sac of 30 flats, operated by affordable housing provider Flagship Group, the development previously had an Economy 7 heating system which had proved inefficient and expensive to run. With storage heaters in every property, the original system was also onerous in terms of maintenance
because Flagship’s engineers had to gain access to each flat for annual checks and routine maintenance. Flagship decided to install a district heating system involving two 60kW Lampoassa ground source heat pumps, a 2,400 litre thermal store and 220m of Uponor Ecoflex pre-insulated pipe. The dual heat pump installation means that there is resilience in the system should one of the heat pumps need to be taken offline for maintenance. Each flat has its own HIU, hot water radiator circuit and hot water tank, along with an individual meter for every property to ensure accurate consumption-based billing for each tenant. Uponor’s pre-insulated Ecoflex pipe was specified for the district heating system pipe infrastructure, along with the company’s Q&E Shrink Fit System pipe connectors. This enabled heat loss within the primary distribution circuit to be minimised. A total of 220m of Ecoflex was installed, with 50mm thermos twin dual pipe used to provide flow and return for the main spine and 32mm thermos twin dual core pipe used to create the localised connections to the properties. Every property required two tee joints to connect the HIU to the infrastructure and the Q&E Shrink Fit System fittings reduced the time required for each joint by 30% as compared to conventional external jointing fittings. Uponor provided Q&E Shrink Fit System fitting training for the installation to help maximise the speed of installation benefits of the system on-site. The supply arrangement also included provision of a specialist tool to expand the end of the pipe so that each fitting could be inserted into the pipe. When the expander tool is removed, the pipe contracts to its original shape, securely fixing the joint in place inside the pipe casing. The district heating system at Orchard Close is now complete and fully operational, with an anticipated service life of 35 years. The project has successfully contributed to Flagship’s carbon reduction aims, while reducing the tenants’ heating bills by two thirds. It is hoped that increased affordability will encourage tenants to use their heating more liberally, not only giving them a warm, more comfortable home during the colder months but also helping to protect both the properties and their occupants from the symptoms of damp. Uponor, uponor.co.uk
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Moss Electrical Co. Ltd Maxmor House Sandpit Road Dartford DA1 5BU
Moss Electrical (SW) Co. Ltd Horsefair Road Waterton Industrial Estate Bridgend CF31 3YN
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11/10/2018 11:20
SPECIAL FEATURE
HVAC
SOLAR EXPLORERS It’s been a stormy year for solar, and with the closure of the feed-in-tariff (FiT) less than a year away, it’s not surprising that there has been concern around the future of domestic solar power. However, with public support still high and the cost of solar panels falling, Alan Clarke, technical support manager at Heatrae Sadia, explains why contractors should still see the sunny side when it comes to solar technologies.
O
ver the last decade, solar power has enjoyed an enormous surge in popularity. In fact, on one particularly sunny day this summer, we saw electricity generation from solar panels reach 27.5% share of the UK’s power mix – a huge leap from the next to nothing they provided 10 years ago. However, the domestic market has been dubbed ‘the solarcoaster’ by industry experts for a reason. The imminent closure of the Feedin Tariff (FiT) scheme, and the previous cuts made in 2016, have taken a toll on installation figures for solar panels, leading to concern around the future of solar power in the UK.
Break in the clouds But there are a number of silver linings. First of all, the cost of solar panels has reduced by almost a fifth over the last year, with a typical 4kW solar array coming in at around £6,000, an enormous drop from the £12,000-£14,000 which homeowners could expect to pay when the FiT was introduced. This makes solar power a realistic solution for more UK homes than ever, especially for those buying panels in bulk. Furthermore, this year has seen a heightened emphasis on renewable energy at a local government level. This summer, the Solar Together scheme was launched by Suffolk council, a group buying scheme designed to encourage the uptake of solar
panels. Test schemes such as this have already been piloted with great success, resulting in a combined 50,000 solar PV installations, the equivalent of 175MW of power. Equally, public support is still strong. According to a 2018 survey, 62% of those surveyed would like to fit solar panels, despite the closure of the FiT, whilst around 925,000 homes in the UK already have solar panels installed.
Utilising opportunities So, how can contractors continue to capitalise on the popularity of domestic solar technologies? The answer lies in energy utilisation.
48 | November 2018
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SPECIAL FEATURE Due to the nature of solar panels, a significant amount of homes do not fully capitalise on the levels of energy they produce. With most homeowners away from their property during the day, they often use no energy at all when their solar panels are producing their highest levels of output. To retain as much energy as possible within a household, manufacturers have designed hot water storage cylinders that are optimised for use with solar PV arrays. Here, any power that is generated and surplus to the requirements of the home’s energy demand is diverted to the hot water cylinder, rather than being sent to the grid. This allows the cylinder to then pre-heat the water; in prolonged fine weather this could be to the full desired temperature, set by the thermostat, ready for the household to use when required. This water will remain hot for hours after, providing the cylinder has high-quality and high-performance insulation. As the cylinder only uses the excess power created by the solar PV panels, the normal day-to-day power requirements of the household are not affected. However, homeowners need to understand that if electricity usage is higher than what the solar PV panels can generate, electricity bills will increase rather than reduce. So, to avoid any draw from the grid there needs to be a ‘buffer’ of energy. Generally, if there is 2.2kW of export energy, a controller will divert 2kW into the cylinder’s immersion heater, leaving a 200W buffer.
SOFT ON HANDS. TOUGH ON TASKS.
Make a saving Research from the Hot Water Association showed that an average household could receive savings of up to £130 per year on their electricity bills by switching from a standard electric hot water cylinder to one with solar PV capability, compared to the saving of just £95 per year which can be achieved by traditional gas-fired boilers. Heatrae Sadia’s Megaflo Eco Solar PV Ready, for example, is specifically designed to convert excess electricity generated from domestic solar PV arrays into heat energy that will heat up the stored water. It’s simple for homeowners to monitor and wirelessly control the hot water system. The control unit – the Megaflo Buddy – provides a concurrent record of power usage and energy savings.
A main benefit of the Megaflo Eco Solar PV Ready is that it’s simple to fit. It removes the need for contractors to work at height, such as roofs or scaffolding, providing the solar PV panels are already installed, and, providing the contractor has a G3 certificate, no additional qualifications or training are necessary, as the cylinder is pre-wired and just needs to be connected to a fuse spur. With the outlook for solar sunnier than you might originally think, contractors can benefit from homeowners and local councils looking to invest in renewable technologies or enhance the benefits of the over 900,000 systems already in place across the UK by recommending hot water cylinders designed to work with solar PV arrays. Heatrae Sadia, heatraesadia.co.uk
Hobsafe
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8/10/18 08:09 25/10/2018 15:57
HVAC
SPECIAL FEATURE
CLEAR THE AIR Wendy Thomas, residential product manager at manufacturer of fans and ventilation systems Nuaire, looks at the challenge of reducing air pollution within existing homes.
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ir pollution is now recognised to be the greatest environmental threat to human health in the UK. A major health risk, it is more harmful than passive smoking and, according to Public Health England, is responsible for as many deaths as alcohol. Reducing exposure to air pollution is now a major government initiative, but the challenge is vast. Evidence from the Royal College of Physicians and the World Health
Organisation states that as many as 40,000 deaths each year are the result of air pollution and poor indoor air quality, with long-term exposure linked to asthma, heart and lung disease, cancer, dementia, diabetes and stroke. Exposure to high concentrations of pollutants is harmful to our health, and the effects are cumulative, causing damage at every stage of our lives. Elderly people and those with existing health conditions like asthma and heart disease are particularly at risk from poor air quality. Episodes of high air pollution are linked to spikes
in hospital admissions with respiratory problems and cardiac arrests, and to increased mortality rates. Children are also vulnerable, developing long-life health problems like asthma as a result of early exposure to air pollution. An investigation into the death of a child in London due to asthma has, for the first time, explicitly named poor air quality as the main cause. Sadly, this landmark case is likely to be the first of many. Action to protect the most vulnerable from harmful pollutants, at home, at work, at school and when travelling, is needed now.
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SPECIAL FEATURE
HVAC
Pollutant problems So, what are the culprit gases and particles that are of most concern? The government has a statutory obligation to keep concentrations of some pollutants below a certain level. These are fine particulate matter (PM2.5), nitrogen dioxide (NO2 and NOX), non-methane volatile organic compounds (NMVOCs), ammonia (NH3) and sulphur dioxide (SO2). These pollutants come from many sources, including road traffic, industrial processes, agriculture and domestic fuel burning. Some of these pollutants react in the air, in sunlight, and with each other to form other pollutants. Both NOX and VOCs react with other pollutants and in sunlight to form low level ozone. Ammonia converts to particulate matter (PM) after several days in the atmosphere, while sulphur dioxide combines with water to form acid rain. Reactions between NOX, sulphur dioxide and ammonia form secondary PM. The process is fast, continuous and highly unstable. Add the influence of weather and you have a bigger problem. Day-to-day changes in weather have a great influence on air quality. High winds can transport PM and ammonia a long way from their original source, increasing exposure in other areas. In urban areas, air pollution levels are often highest on warm, still days when dispersion is limited and sunlight causes chemical reactions. Road transport is the largest single source of nitrogen dioxide emissions and also produces PM, VOCs, SO2 and ozone. People living near busy roads are at greatest risk of exposure to air pollution, both as they travel outside and in their homes. In fact, levels of NO2 can be as high inside the home as they are at the roadside in high pollution areas. In a recent report by the World Health Organisation, which has made headline news in the British press, it was highlighted that 37 of 43 air quality zones across the UK have failed to meet EU limits on NO2. These regions will have streets or larger areas that are labelled Air Quality Management Areas, or AQMAs, for failing to meet air quality objectives set by government. There are currently 725 in England, 45 in Wales, 43 in Scotland and 42 in Northern Ireland, so the problem is sizeable and widespread.
there are 27 million existing homes in the UK, compared with 170,000 new homes built each year, the disparity is clear. The industry has been waiting for a solution for the millions of existing homes that are blighted by poor air quality. As MVHR systems with carbon filtration require ducting through the property, they are highly intrusive to install in existing homes. Many existing social housing properties are ventilated using intermittent extract fans, which are not effective at preventing the ingress of pollutants or their removal. But now technology has been developed for existing homes. It combines a trusted technology called Positive Input Ventilation (PIV) with high-efficiency carbon filtration. It delivers clean, filtered air into the home, improving the indoor air quality to within safe levels. Nuaire’s Noxmaster is one such solution that removes up to 99.5% of NO2 and other harmful pollutants generated by traffic emissions and industrial processes.
Technology advances “As many as 40,000 deaths each year are the result of air pollution and poor indoor air quality.”
The secret weapon here is activated carbon. The carbon media held inside a cartridge is microporous and has a much larger surface area than its external dimensions suggest. A spoonful of activated carbon equates to the surface of a football field. Through a process known as ‘adsorption’, the pollutants are attracted and held on the surface of the carbon, trapping them before they enter the home. An additional benefit of combining carbon filtration with PIV is the reduction in humidity levels which prevents condensation dampness, and the ability to flush out pollutants generated inside the home from the use of household products, cooking with gas and burning fuel. With growing concern over poor indoor air quality and air pollution, some homeowners are taking steps to monitor and control the air in their homes using apps and consumer air purifiers. This can lead to a false sense of security as the removal of gases and particulates from the air is a complex process. It requires mechanical ventilation and carbon filtration to treat the air throughout the home, and control the pollutants generated inside the home.
£20 billion is the estimated cost of air pollution in the UK. Reducing exposure to pollutants whilst at home can save lives and improve the quality of life. We spend an average of 16 hours a day at home, and often the most vulnerable members of our society, babies and young children and the elderly, spend substantially more time in the home. With the right technology, the control of pollutants in existing homes is now achievable. While we wait for a long-term solution to air pollution, the new breed of mechanical ventilation systems featuring carbon filtration should help reduce diseases like asthma, heart disease and cancer, and increase life expectancy for thousands of people. Nuaire, nuaire.co.uk
Technology to filter air and keep pollutants out of the home is advancing
Close to home With what is now known about the health effects of air pollution, focus has turned to mitigation techniques to keep pollutants out of the home. Technology for air filtration in new build developments is making great strides, with highly-effective carbon filter products that work as part of a ducted Mechanical Ventilation with Heat Recovery (MVHR) system. Nuaire launched its inline IAQ-BOX system which removes up to 99.5% of NO2 and up to 85% of PM2.5. Last year, it took this concept further with the design of the first carbon filter supply air valve, which is highly effective yet easier and quicker to install and maintain. Protection for occupants in newly built homes in high pollution areas already exists and, in many cases, is becoming a planning condition. But when you consider
52 | November 2018
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Shaping our industry. Enabling business growth. Getting you specified. 06/03/2018 16:48
SPONSORED FEATURE
HIGH-TECH HEATING With winter around the corner, Heatstore talks about its Lot 20-compliant InteliRad electric radiator.
A
s of January 1 2018, Lot 20 of the Ecodesign Directive requires all manufactured electrical heating products to meet a number of criteria to comply with UK law. To comply correctly with this new legislation, Heatstore has made a huge investment in researching and designing a family of products that meet this criteria. Specifically designed to meet Lot 20, the Inteli family of intelligent heaters consists of InteliRad, InteliPanel, InteliPanel Plus and InteliStore. The InteliRad energy-efficient electric radiator features dynamic efficiency + technology. Within the modern busy lifestyle, InteliRad does the thinking for the end-user, learning about their environment and lifestyle to then maintain comfortable living temperatures and optimise efficient energy usage.
Adaptive temperature control environment learning InteliRad has a unique self-learning, delayed start function which learns the thermal profile of a room or office. Continuously monitoring the room temperature, it uses algorithms to constantly calculate when it should start or stop to warm the room for the desired temperature and duration. This radiator is intelligent enough to only use the energy required.
Eco start delayed anticipatory control Measuring the heat-up and cool-down times of the room in relation to the external temperature, the radiator will calculate what time it needs to start heating in order to reach the user-defined target temperature at their specified time.
Smart open window open door technology If an external window or door is accidentally left open, InteliRad will detect the sudden change in temperature and instantly scale back the output to 50%, rather than continue to provide 100% output. Once the window or door has been closed, the radiator will return to normal operation equally swiftly.
InteliRad offers a number of benefits, including: • Dynamic efficiency + technology, highly-accurate electronic thermostat control +/-0.2°C • Touch-sensitive control system with audio feedback • Colour changing LCD display for clear temperature reading • Easy to use and operate • Easy to fit and install •T hree-year on-site warranty and 10-year aluminium body warranty.
The InteliApp The InteliApp, connects via Bluetooth to make use of the most advanced technologies to offer total control of the heating from a smartphone or tablet. Contractors are now able to setup multiple heaters saving time when programming on behalf of the customer. The user can then switch on and programme their InteliRad radiator at home with their smartphone or device. The InteliApp can be downloaded from either the Apple App Store or Google Play. The new, upgraded InteliApp now lets the user control not just the InteliRad but all of the Inteli products. The Inteli family of intelligent heaters consists of InteliRad, InteliPanel, InteliPanel Plus and InteliStore. The InteliApp gives the user total control of their heating system within the home or office from the comfort of their chair. Find out more about InteliRad at heatstore.co.uk
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Visit www.heatstore.co.uk to find OUT HOW TO CLAIM YOUR FREE JACKET Adivision – Heatstore.indd 54
25/10/2018 09:06
New additions to the range Weather proof cable reel CT2013WP
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24/10/2018 12:01
COMPETITION
WIN £400 OF AMAZON VOUCHERS Courtesy of
A
s hard as it may be to believe after all the media attention on fire safety and risk over the past 18 months, there is no mandatory requirement for cable management to be fire tested in the UK. But, here at Unitrunk, we don’t believe in testing just for the sake of compliance. For us, safety, service life and specifier peace of mind are just as important, which is why we’ve invested in independent fire testing for both our EasyConnect cable basket and our UniKlip cable tray systems. The great news is that both systems performed exceptionally well and maintained their systems integrity for 90 minutes at a temperature of 1,000°C (in accordance with the German DIN 4102-12 standard). The unique Klip used to install UniKlip cable tray retained its integrity as part of the tests too, demonstrating just how robust our systems are in both design and fabrication. Unitrunk feel we have a moral responsibility to make this commitment to verify the fire safety of its systems, giving the electrical sector complete confidence in utilising either our cable basket or cable tray in any environment. And, of course, installers can still benefit from the reduced installation time and cost provided by our RIS (Rapid Installation Systems) approach to innovative design with tool-free installation.
The new 18th Edition Wiring Regulations have put electrical fire safety in the spotlight; isn’t it time we all did our bit to ensure that the buildings of the future optimise fire safety and reduce risk? To celebrate its fire testing success, Unitrunk is offering one lucky winner £400 worth of Amazon vouchers. For your chance to win, simply answer the following questions:
2. W hich Unitrunk systems have successfully achieved a fire rating?
1. U nitrunk’s EasyConnect and UniKlip systems have been fire tested in accordance to the DIN 4102-12 standard, which originates from which country?
a) EasyConnect b) UniKlip c) Both EasyConnect and UniKlip
3. EasyConnect and Uniklip form part of the RIS Range manufactured by Unitrunk. What does RIS stand for?
a) Britain b) France c) Germany
a) Really Innovative Solutions b) Rapid Installation Systems c) Rapidly Improved Solution
September competition The winner of £400 of Ticketmaster vouchers, courtesy of Niglon, is Jo Di-Corpo of GRD Electrical Contractors Ltd.
Closing date All entries must be returned by November 30, 2018. The editor’s decision is final. The name of the winner will be published in the January issue of ECN. * Prize is not exchangeable.
To enter, please complete the form below and fax to 01634 673173, or post to: ECN Competition, All Things Media Ltd, Suite 14, 6-8 Revenge Road, Lordswood, Kent, ME5 8UD. Alternatively, you can email your answers and contact details to: carol@allthingsmedialtd.com.
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24/10/2018 10:00
SPECIAL FEATURE
ENERGY MANAGMENT supported by
Award winning power protection systems from 400VA to 6MVA
When downtime isn’t an option Reliable power for a sustainable world
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November 2018 | 57
Energy Management – Riello.indd 57
24/10/2018 10:00
SPECIAL FEATURE
ENERGY MANAGEMENT
POWERING THE FUTURE Leo Craig of Riello UPS predicts a power shift in the way the UK generates its electricity thanks to the increasing availability and popularity of battery storage.
W
e live in a truly data-driven society, that’s undeniable. From the allconquering convenience of our smartphones and laptops, through to the automation and artificial intelligence revolutionising our smart offices and factories, today’s world is dominated by devices and sensors. Indeed, by 2025, it’s predicted the average person will interact with a connected device 4,800 times a day – once every 18 seconds. The unrelenting rise of the Internet of Things makes one thing certain – we’ll need a lot more storage capacity to deal with all that additional data. But all that extra server room space, either through on-site data centres or increased cloud storage, requires extra power too. And as we’ve seen with the muchdelayed Hinkley Point nuclear plant, cranking up electricity generation isn’t an easy – or for that matter a cost-effective – thing to do.
With a National Grid seemingly creaking at the seams, it’s understandable both the government and the energy industry are seeking alternatives to maintain the tricky balance between ever-growing demand and limited supply. Ongoing improvements in lithium-ion (Li-ion) battery technology over recent years means that energy storage is becoming an increasingly viable option for facilities as diverse as factories, utilities, telecoms, farms or hospitals – practically any environment that uses substantial amounts of electricity. Whether it’s small-scale renewables such as solar or wind, installing onsite combined heat and power plants to generate power, or using the battery backup in an uninterruptible power supply (UPS) to store electricity, the way we manage power is rapidly changing.
Shifting battery technology When it comes to power protection and UPS systems, sealed lead-acid (SLA) – also known as valve-regulated lead acid (VRLA) – have long-been the batteries of
choice. They’ve proven to be a cost-effective solution and are reasonably reliable. That’s not to say they’re perfect though. SLA batteries require a temperature-controlled environment of 20-25°C to function properly, which means either plenty of energy-intensive air conditioning or a space-eating separate battery room. And their impedance increases over time, which reduces power capacity, meaning they’ll need replacing fairly regularly. While they’ve been commonly used for years in personal electronics such as mobile phones and laptops, it’s taken some time to develop a Li-ion battery suitable for use as part of a critical power protection system. But the technology has come on in leaps and bounds. More importantly perhaps, the costs have come crashing down too, making Li-ion far more commercially viable. Compared to SLA, Li-ion batteries deliver the same power density in less than half the space. They operate safely at far higher temperatures (up to 40°C), recharge much faster, and have up to 50 times the cycle life.
When downtime isn’t an option Award-winning power protection systems from 400VA to 6MVA www.riello-ups.co.uk 0800 269 394 58 | November 2018
Energy Management – Riello.indd 58
24/10/2018 10:01
ENERGY MANAGEMENT
SPECIAL FEATURE
THE LOWDOWN ON LI-ION BATTERIES Riello UPS has a long-standing relationship with GS Yuasa, the leading battery manufacturer. We’ve worked together on several schemes using their Li-ion cells, notably a project where our Multi Sentry UPS helped create a ‘virtual power plant’ that runs the 40-strong office of KiWi Power, the demand side response aggregator. Here Yuasa’s senior technical coordinator Peter Stevenson answers some of the most common questions asked about using Li-ion batteries in a UPS system.
What are the main benefits of using Li-ion batteries with UPS? Li-ion batteries are about 25% of the volume and weight of an equivalent SLA battery, so that’s a big benefit in settings where space is limited. They’re far less sensitive to temperature fluctuations, so for example, Li-ion batteries operating at 30°C will have a longer life than an SLA functioning at 20°C. In many environments, this means fresh air-cooling systems can be used,
Add in the fact they have a 10 to 15-year lifespan, during which an SLA would probably need replacing two or possibly even three times. So while it’s true the initial cost of Li-ion batteries remains higher, in reality the total cost of ownership (TCO) over a 10-year period is likely 10-40% less. Combine these qualities with the battery storage opportunities they provide and it’s clear why Li-ion is fast becoming a pivotal player in the modern power management world.
Opportunities for battery storage One of the main energy storage mechanisms currently available is demand side response (DSR), where organisations are incentivised to shift their electricity use from peak to off-peak periods. This enables the network to spread our demand for power more evenly, while businesses benefit from lower energy bills and can even sell the surplus back to the grid. The government believes widening DSR participation by 5% will save consumers £500 million a year. While if just 5% of the UK’s peak need is met by demand side response, it’d be the equivalent of building a new nuclear
rather than expensive air conditioning, which is a significant plus in terms of total cost of ownership. It’s also easier to predict the ageing of lithiumion, reducing the risk of rapid loss in performance that is sometimes seen with SLA. Finally, Li-ion batteries typically provide up to 50 times as many deep discharge cycles as SLA. While this isn’t hugely significant in a traditional UPS, this could change if the rapid growth of solar and wind generation means a UPS’ role evolves from purely providing emergency power into an energy storage system that can generate revenue.
Are there any disadvantages to using Li-ion compared to SLA? The obvious disadvantage is the initial cost. Even though massive investments in automated manufacturing processes have resulted in significant cost reductions for Li-ion over the last 20 years, the basic raw materials are still expensive compared with lead-acid. Recycling is also an issue too. There’s still much work required to reproduce the well-developed and cost-effective recycling of lead-acid cells.
We’ve all seen examples such as Samsung Galaxy Note 7s going up in flames. Are Li-ion batteries actually safe? Li-ion batteries employ a wide range of chemistries and structures, so they can be optimised for different applications. The batteries used in mission-critical systems use much more robust chemistry and packaging than the ultra-light cells found in hand-held devices.
power plant without the associated cost or lengthy construction period. Taking things a step further, an even more radical approach is removing the link to the National Grid completely by going ‘off grid’, relying on on-site generation and storage instead of mains supply. Not only does this safeguard a business against sudden wholesale price rises, but it also removes the risk of damaging mains power outages or disruptions. Going ‘behind the meter’ in this way also reduces energy bills and carbon emissions, with the added advantage of future-proofing an organisation against the likelihood of ever-tougher environmental rules and regulations.
On-site power generation and storage offers both environmental and economic benefits
How important is battery monitoring? An advanced battery management system (BMS) is mandatory for high-voltage Li-ion applications because each cell must be individually monitored and controlled using electronic circuits to maintain balanced states of charge. Similar BMS are optional with SLA batteries, and although preferable in large-scale applications, they would incur significant additional capital costs.
Why do you think mission-critical sites have been slow to embrace the energy storage potential of Li-ion batteries? It’s more a case of ‘seeing is believing’. Examples of success in other industries will hopefully give increased confidence to the power protection sector in the next few years. The deployment of 20MW gridconnected energy storage systems, which are now fairly commonplace using Li-ion, should also provide encouragement.
environmental and economic benefits of on-site power generation and storage. There’s still some way to go. It’ll take a shift in mindset from what’s an understandably risk-adverse sector, but the potential rewards are plentiful. If predictions by the government’s own National Infrastructure Commission that there’ll be 15GWh of battery storage deployed across the UK by 2030 prove correct, we’ll soon have a very different electricity network keeping our lights on. Riello UPS, riello-ups.co.uk
Powering into the future There’s already more than 4GW of electricity currently stored in UPS power supplies across the UK. That’s enough to power more than three million homes. And it’s just the tip of the iceberg. As the costs of large-scale Li-ion battery systems continue to fall in years to come, more businesses across a wider range of industries will at least have the choice to make the most of battery storage. It’s up to us in both the power protection and electrical contracting industries to keep highlighting the
Sentinel Dual – The Most Powerful Rackmount UPS Available Award-winning power protection systems from 400VA to 6MVA
www.riello-ups.co.uk 0800 269 394 November 2018 | 59
Energy Management – Riello.indd 59
24/10/2018 10:01
NEXT ISSUE
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NEXT TIME… In addition to its regular range of news and viewpoints, the July issue of ECN will contain special features relating to UPS and power distribution, tools and workwear and test and measurement. The features will include articles and information from major companies, providing a range of information about the latest issues and technological developments affecting the sectors. For electrical contractors, the features will prove to be a valuable reference point for all that is happening within this area.
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ENERGY MANAGEMENT
SPECIAL FEATURE
THE SOLAR SITUATION Paul Hutchens of solar specialist Eco2Solar discusses how the hot summer has impacted the solar industry, how Scotland is outstripping the rest of the UK in green energy generation, how national legislation is failing to meet public demand for environmental policy, and what this all means for house builders and home owners.
S
omething quite extraordinary happened on the afternoon of June 30 this year. For one hour, solar energy, all but briefly, overtook gas as the UK’s top power source. And that’s not the only record that has been broken this summer – between June 21 and 28, solar broke the record for weekly output, producing 533GW hours of power. During that same week, solar generated more than 75GWh on five days, another new record. And in a first, solar output hit more than 8GW for eight consecutive days. For a technology considered ‘alternative’ just 10 years ago, this is significant. But what do heatwaves like this mean for the solar industry?
Record-breaking solar output The Met Office reports that 2018 was the joint hottest summer on record for the UK as a whole, and the hottest ever for England. The high temperatures in 2018 were tied with those of 1976, 2003 and 2006 for being the highest since records began in 1910. This rise in temperature is bringing attention to solar technology for two reasons. Firstly, the real effects of global warming are forcing discussions on the necessity for green, renewable energy solutions like solar. Carbon dioxide and methane emissions from fossil fuels contribute to global warming and decreased air quality, whereas solar energy solutions produce no such pollution. While some argue that emissions are created
during the production of solar panels, these are much lower compared to lifecycle emissions for coal and natural gas. Plus, coal and natural gas continue to release carbon dioxide while they produce electricity. Solar panels, on the other hand, produce completely green energy with zero emissions once installed. As the Solar Trade Association states, ‘The government has set out plans for the decarbonisation of UK electricity to below 100 gCO2 per kWh by 2030. More renewables on the grid and a reduction in the use of coal for electricity generation means that the UK has already made great strides in this direction.’ These real environmental changes are shifting attitudes and increasing the attractiveness of properties boasting green energy solutions.
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SPECIAL FEATURE
ENERGY MANAGEMENT understanding of the environmental and financial benefits of the technology. The solar scene has grown at a speed unexpected by the industry some years ago. For example, Electric Insights reported in 2017 that the UK had 12.4GW of solar PV capacity installed; more than many analysts once thought would be installed by 2050. This increase in demand is something that we have experienced first-hand, as we work with most of the UK’s largest home builders on providing solar installation services.
Scotland’s solar excellence
Secondly, the recent increase in sunshine has led home owners to consider the opportunity to benefit financially from solar installations on their home. Since 2004, energy prices have doubled, whereas the cost of solar panels has reduced by some 80%. Solar panels generate electricity from daylight, and this electricity is used in the home rather than buying power from a supplier, saving homeowners around 16p/kWh. Also, any clean electricity not consumed in the home can be stored, or sold back to the national grid. This certainly makes the prospect of solarenabled new build houses more attractive. Indeed, a recent poll by YouGov found that more than half of the British public would install solar panels and home batteries to tackle climate change if there was greater assistance from the government.
Changing perceptions Housebuilders’ choice to install solar on new builds is often driven by local government legislation. However, changes in public attitudes towards the technology are influencing demand from house buyers. One Home is a project to increase public awareness of climate change and accelerate the transition to net zero carbon emissions. Recently released research from One Home showed that solar power is the most popular form of energy generation with support at 87% amongst the general public. In addition, the trend in smart homes is also leading to renewed interest in solar. One survey concluded that 44% of the public want solar panels with storage on their homes by 2020. The report notes, ‘Blazing hot summers are increasing the direct association in people’s minds to the power of renewable energy to reduce increasing energy bills.’ Social enterprises such as One Home are helping to further raise the profile of solar solutions, and increase general
“The real effects of global warming are forcing discussions on the necessity for green, renewable energy solutions like solar.”
The standardisation of solar in different regions of the UK varies significantly. Local authorities are working towards different regional targets, meaning very different outputs. Scotland is at the forefront of the green energy evolution, however. The Scottish government has a clear objective – to generate the equivalent of 100% of Scotland’s electricity demand from renewable sources by 2020. It is set to exceed this target, having gone from delivering 10% to 60% of electricity consumption from renewable sources over the past 15 years. The Scottish government is also on track to ensure renewable sources provide the equivalent of 11% of the nation’s heat demand by 2020. Wind and solar energy are core to Scotland’s overall energy strategy. Furthermore, it has been reported that North Scotland could be set for a boost in renewables as the region may become a major exporter of power to the rest of the UK. This ‘proactive decarbonisation’ model has been set out by Scottish and Southern Electricity Networks in a report detailing different scenarios for the future of energy in the area. There are many reasons renewable solutions are growing at pace in Scotland. Clearly government policy is fundamental, but the geography of the nation and expanse of space in rural Scotland allows for large scale solar developments. Recently, plans have been approved for a
giant solar farm in Moray, that will be the largest in Scotland. The 50MW scheme will include 200,000 solar panels and will supply enough clean energy to power up to 15,000 homes or 19,000 electric vehicles each year. This massive development will occupy 115 hectares, and is just one of many similar size developments throughout the nation. 54,000 homes and 2,000 businesses in Scotland currently benefit from solar PV technology. It is a standard asset on nearly all new builds, and over the past two years, Eco2Solar has experienced a significant growth in demand from house builders. We now have a team of 15 in our East Kilbride offices, working with all the main building contractors throughout the country, and have ongoing contracts with Barratt Homes and Taylor Wimpey. On a national level, Scotland is at the forefront of renewable energy evolution and we are very proud that Eco2Solar can support this.
National government must step up Solar is an essential pillar in the future of decarbonising British electricity, and there are some symbolic movements happening throughout the UK supporting green energy. However, on a national political level, the UK government is arguably ‘kicking the ball into the long grass’ when it comes to environmental policy. Much political attention is diverted towards Brexit, and there are real concerns that, once the UK leaves the EU, the powers held by the European commission to ensure the UK meets EU targets on factors such as air pollution and water quality will expire. Currently there is nothing within the UK government to replace these. The hot summer of 2018 has brought renewed attention to solar, and we would like to see this reflected in national policy. The environmental audit committee has recommended that a new environmental watchdog with powers to hold the government to account must be set up after Brexit to ensure these protections are kept in place. It also called for targets on air, water, soil, biodiversity and other issues to be legally binding and subject to five-yearly reports, in a similar way to the carbon budgets produced by the Committee on Climate Change under the 2008 Climate Change Act. Without this, the impetus for real change and innovation lies with local government alone. Only with a coherent national policy, can the UK hope to meet targets for decarbonising electricity and secure a sustainable future for our energy requirements. Without this, there is a real risk that advances towards green energy solutions will be put at risk. Eco2Solar, eco2solar.co.uk
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SPECIAL FEATURE
Tesla’s Powerwall battery pack is revolutionising storm-readiness with new features
ENERGY MANAGEMENT
COOKING UP A STORM Technology journalist Jordan O’Brien takes a look at the importance of self-generation and self-storage of energy in the face of stormy weather.
C
ould you imagine living without power for 11 months? Probably not. Everything that we do relies on some form of electricity, whether it’s charging our smartphones, watching TV, or even reading a book in bed. Unfortunately for many of those on the island of Puerto Rico, living without electricity for 11 months became a reality after Hurricane Maria. Thankfully, as of August, most of the residents now have their electricity back on – but it shows the importance of preparing the grid for just about every eventuality. Hurricanes can be devastating for both life and property, but most people simply think of the immediate after effects of the storm. The news cycle has since moved on from Hurricane Maria, but the reality was that nearly 1.4 million people were without power after the storm, with 25 still waiting for
it to be restored. Thankfully, as the industry moves away from a centralised system to one more reliant on self-generation and selfstorage, buildings should be able to get up and running much sooner. Nowhere is battery storage technology as important than in a scenario where a storm knocks out the entire grid. Puerto Rico’s publicly-owned power company may have been struggling to get the electricity back on, but oddly enough there were some houses that remained illuminated while their neighbours went dark. That’s because some houses decided to invest in technology that would allow them to be self-sufficient. Tesla is arguably the most recognised name in battery storage systems, and its Powerwall technology was widely deployed on the island after the devastating effects of Hurricane Maria. Satellite views of the island show that those with solar panels on their roof and a Powerwall installed were able to keep the lights on.
What’s the best solution in a storm? Solar panels aren’t exactly fool-proof in a storm. After all, there is a possibility that they could be damaged in inclement weather, meaning electrical contractors need to ensure that they have followed all the recommendations when it comes to storm-proofing a building. Thankfully, most solar panels are manufactured to withstand most weather conditions – that includes hail and hurricanes. One example of solar’s resilience comes from New Jersey, where the state saw little to no damage to its PV capacity after Hurricane Sandy in 2012, while Hurricane Maria’s devastation on Puerto Rico had no effect on the solar array on San Juan’s VA hospital, which continued to operate at 100% efficiency even when it was battered with 180mph winds. Some other solar arrays on the island weren’t as lucky,
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ENERGY MANAGEMENT which is why it’s so important to ensure that not only the panels themselves are manufactured to withstand high winds, but that the racking and anchoring systems are also sufficient. San Juan’s VA hospital achieved its 100% efficiency thanks to its flexible racking device. This allowed the rack to bend under the stress rather than staying rigid and eventually breaking. Electrical contractors should take this into account when it comes to specifying solar panels; especially in areas at high risk from being hit by a hurricane. Other forms of electricity generation can be a little more problematic in the event of a major storm. Wind turbines may sound like they would generate masses of energy in 180mph winds, but very few claim to be hurricane-proof, and hydroelectricity isn’t a solution for most buildings.
The question of generators The go-to choice for back-up power in the event of a major storm is typically a generator. While this is an easy shortterm solution, it’s expensive and requires being constantly topped up with fuel; it’s also horrifically bad for the planet, emitting deadly fossil fuels into the atmosphere. As we try to combat global warming, it’s important that electrical contractors look at sustainable solutions, rather than a quick fix. Those wishing to keep costs down may also find that a generator isn’t the optimal choice. Despite the low upfront cost, generators require expensive fuel to keep them going, meaning the total cost of ownership is significantly higher than had the building just opted for a solar system hooked up to a battery. As an example, the average house will end up paying £1,600 a year in fuel costs to keep a generator going, while they also require regular maintenance.
SPECIAL FEATURE
Easy access to fuel can also be an issue in the event of a major storm. Hurricane Irma saw fuel shortages across the state of Florida, meaning those with generators could still find themselves left without power. That’s not a concern for those with solar panels, as the sun should still be with us for at least another five billion years. Generators are also more likely to break down, something that could be disastrous in the event of a major storm, while those deadly fumes have the potential to kill occupants when the generator is used incorrectly. That’s not even mentioning the deafening sound that can be produced.
Best option The best solution for dealing with a storm will likely be a battery-solar combo. There are various companies that you can get these from, although the Tesla Powerwall could be a good shout for those looking to get the most from their home battery pack. New features released by Tesla also make it better than ever for inclement weather. In August, Tesla released a new feature for its Powerwall customers called ‘Storm Watch’. This allows the battery to automatically detect incoming storms and begin preparations for when the storm hits. That means the battery pack should be fully charged before the storm arrives, allowing building owners to be safe in the knowledge that they’ll have electricity for at least the immediate aftermath of the storm. The Storm Watch feature isn’t available to every Powerwall customer, but has been targeted to ‘specific regions’. With around 11,000 Tesla Powerpacks being installed in Puerto Rico, it’s likely that those will be amongst the first to be activated. With hurricane season in full swing, the Storm Watch feature couldn’t have come at a better time.
The future of storm proofing “Storm proofing will become more important in the future, so electrical contractors need to plan accordingly.”
Storm proofing will become more important in the future, so electrical contractors need to plan accordingly. It’s estimated that as temperatures rise across the globe, intense storms will become prevalent, meaning the chances of buildings being knocked off the grid will also increase. It’s not just earth’s typical weather that the electrical grid has to contend with either. In August, NASA sent a satellite to the sun to learn all about solar storms. It’s those solar storms that could be one of the biggest threats to our electricity grid – and while it’s not top of the agenda yet, in the event of a solar storm, trillions of dollars of damage could be inflicted on the energy grid. Now the chances of a solar storm are rare, with the solar storm of 1859 being the most notable. That storm saw telegraph systems fail in much of the Northern Hemisphere, and caused telegraph operators to be shocked. These days an event of that scale could be catastrophic, thanks to our wide use of electricity. The US Government already recommends having a plan of action in place for space weather, but many don’t. It’s especially important for critical infrastructure buildings to prepare. A decentralised grid will go some way of ensuring the power remains on during space weather, but it’s not fool proof. While solar panels and a battery bank are pretty safe in the event of a solar flare or electromagnetic event, the same can’t be said of the inverters and charge controllers. The best-case scenario is that the inverter will blow a fuse, but the damage could be far worse. Thankfully, the systems are designed to shut down in this situation. There is a way to protect all the components in an off-the-grid system – and that’s by shielding them with a faraday cage. While it may seem over-the-top, critical systems such as water treatment will need to remain operational in the rare case of space weather affecting the grid.
It has taken almost a year to get Puerto Rico’s electricity grid back online
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SPECIAL FEATURE
ENERGY MANAGEMENT
GOING GREEN The future of greener energy management systems will depend on new ways of thinking and working, says Paul Reeve, ECA director of business.
E
nergy management systems account for a large part of a building’s environmental impact. The systems of the future will most likely be shaped by a combination of three emerging areas in particular: the circular economy, distributed energy, and the Government’s Industrial Strategy. If we are to reduce our carbon emissions, we must proactively seek out the benefits of new ways of thinking and working, in order to minimise energy impacts, and maximise client value.
Smart, stored and distributed renewables The UK’s low-carbon economy will increasingly depend on the intelligent deployment of energy capacity from renewables, storage and a distributed grid. Once set up, renewables tend to deliver the cheapest (and lowest carbon) electricity available to the UK market. The solar/wind/storage triad can minimise many customers’ energy bills, and notably exposure to shortterm price fluctuations via half-hourly metering. These savings can even be supplemented by income from emerging opportunities such as grid balancing. The triad may lead to many new installation and maintenance opportunities for the electrotechnical industry, whether for owners, customers, contractors or other third parties. While they still only comprise a small part of the UK’s energy storage capacity, batteries are expected to become far more important in the near future. A key commercial attraction of battery storage, as costs continue to fall, is the relative ease of deployment (batteries can be set up in numerous and varied locations). Lithiumion batteries currently dominate the market, offering high discharge and recharge rates – ideal for frequency response.
The opportunities for contractors are significant, and they include the design, installation, maintenance and servicing of smart, renewable and distributed power systems. We believe this area of activity will grow as solar, wind and battery prices continue to fall, and we expect new opportunities in the electrotechnical industry to emerge – provided we have the skilled capacity to deliver. The business case for energy efficiency measures in commercial and public sector premises is increasingly compelling, and ECA has identified at least 25 different lowcarbon or energy-efficient technologies that are available to asset managers, ranging from LEDs to renewables, and movement sensors to batteries.
Squaring the circle
“UK carbon emissions have been reduced by more than 40% since 1990, while the economy has grown by two thirds.”
The way we think about the component parts of a building’s energy management system has an enormous impact on its efficiency and output. This extends to the way they are manufactured, considering impacts arising from extracting and transporting raw materials, manufacturing, packaging and shipping – all the way through to construction and installation, a typically overwhelming contribution from ongoing use, as well as maintenance and upgrades. Finally, there are the implications of material recovery and waste to also consider. The principles of the ‘Circular Economy’ enable a logical but highly innovative approach to finding optimal solutions to maximising whole life economic, environmental and social value, while reducing the accompanying impacts. The Circular Economy is a key enabler of sustainable development, and it
involves getting the very best out of product design, use and recovery, as well as examining the overall business model. Put simply, the Circular Economy swaps out the ‘take, make, dispose’ model for a ‘make, use, recycle’ one. With the focus on optimising value, the circular economy has already attracted the attention of legislators and various UK buyers and suppliers. Contractors may want to watch this space in the near future.
Government’s Industrial Strategy Against its plans for a smart, lowcarbon grid, Government’s Industrial Strategy, published in late 2017, points to the ongoing need for energy efficiency and management. We are told that a new ‘Transforming Construction’ programme will harness digital, lowcarbon and energy-efficient technology to provide, ‘places to live and work that use dramatically less energy to build and run.’ In addition, the government will be looking for measures to create a scalable marketplace for energy efficiency, boosting private investment in both domestic and commercial energy efficiency. UK carbon emissions have been reduced by more than 40% since 1990, while the economy has grown by two thirds, which means we have successfully ‘decoupled’ carbon emissions from economic growth. With effective implementation of the Industrial Strategy and Clean Growth Strategy, both these trends are likely to continue, and this should lead to considerable business opportunities for asset managers and contractors. ECA, eca.co.uk
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AXIOM EXTENDS RANGE OF CONSUMER UNIT DEVICES The Axiom Amendment 3 compliant metal consumer unit range was launched two years ago with a full standard range of devices, including MCBs, RCDs and RCBOs. Earlier this year, a major boost came from the addition of single module mini RCBOs, providing protection levels from 6Amp to 40Amp. Now a further package of DIN rail mountable modular devices is available. Starting with NO (normally open) contactors, there are 20A two-pole single module and 25A four-pole twin module options. With EN61095 and EN60947-4-11 approvals, both devices are suitable for general control, heating and lighting applications. 16A timer devices follow, with a digital LCD timer allowing daily and weekly programming, plus a NO variable delay staircase timer. The final addition is a 15A twinmodule bell transformer, suppling power to a bell circuit. Built with secondary short circuit protection, this device has EN61558-2-6 approvals. For further information visit ced-elec.co.uk
COMPANY SHOWCASE
BE PREPARED WITH SNICKERS NEW WATERPROOF JACKETS You can count on year-round comfort and protection with Snickers Workwear new AllRoundWork waterproof jackets. They’ll make the working day easier and more comfortable with built-in quality, functionality and high-performance features to cope with the very worst weather. With lightweight and heavierduty designs and styles for professional tradesmen and women, these jackets are 100% waterproof. The insides are fully sealed from the worst of the weather and every seam is taped or sealed. Even the pockets and cuffs are specially designed to keep the weather out and dry warmth in. There’s a host of designs, styles and extensive size options to select the right jacket for the job. To back them up, Snickers has a great range of winter vests and bodywarmers, even a body mapping micro fleece. For further information, call 01484 854788, visit snickersworkwear.co.uk or email info@snickersworkwear.co.uk.
EFFICIENT & TOUGH – NEW RLE-G2 MODULES FROM TRIDONIC The new RLE-G2 modules from Tridonic have been developed for harsh industrial environments and challenging outdoor conditions. They can withstand salt spray, pollutants and extreme temperatures and are easy to integrate in a very wide range of luminaires. The second generation of the RLE EXC and ADV family of modules for industrial and outdoor lighting has been specifically developed for modular luminaire designs. All the high-power and mid-power modules have passed a demanding series of tests. With their extended temperature range of -40 °C to +105 °C/+95 °C (high power/mid power) they can also handle extreme climatic conditions. High-power modules offer a life of 100,000 hours, while mid-power modules offer exceptionally high efficiency of up to 190 lm/W and a life of 80,000 hours. Tridonic offers a warranty of eight years on the high-power modules with a life of 100,000 hours, and a warranty of five years on the mid-power modules with a life of 80,000 hours. For further information visit tridonic.com
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COMPANY SHOWCASE
SPONSORED STORIES FROM THE INDUSTRY
NEW RANGE OF BOSCH PROFESSIONAL PROCORE18V BATTERIES Bosch Professional has launched its latest ProCORE18V series, with 4.0, 8.0 and 12.0 Ah versions tailored to individual needs. Also introduced is the Bosch GAL 18 V-160 C Professional Charger – the fastest 18V charging unit and the world’s first ever to use connectivity. Thanks to innovations including new-generation cells and Bosch CoolPack 2.0 technology, it is now possible to achieve a more powerful performance from very small packages. All three of the Bosch Professional ProCORE 18 V batteries are compact, powerful and long-running. The key to extending runtime and lifetime is intelligent heat management and design, as developed for Bosch CoolPack 2.0. This provides ideal conditions for efficient battery performance and prevents damage from overheating. A Single Cell Monitoring (SCM) system safely optimises power delivery from the cells, while battery status is clearly displayed by a new high-resolution indicator with five LEDs. Its unique connectivity function enables connection to the user’s smartphone via Bluetooth and the Bosch Toolbox app. For further information visit bosch-professional.co.uk
SIMPLY SAVING ENERGY WITH DANLERS HIGH-BAY PIRS DANLERS high-bay PIR occupancy switches are ideal for energy saving lighting control in areas such as factories, storage aisles and sports halls. The products detect a person moving within the detection area and control the lights accordingly. Each product includes an adjustable time lag function plus an adjustable photocell. There are versions for simply switching the lighting load on/off, as well as products for DALI, DSI or 1-10VDC ballasts, which automatically dim or brighten the lights in response to changes in the ambient light level. The products either come with manual adjustment or as versions which are programmable using the free DANLERS ‘EasyZAPP’ or ‘ControlZAPP’ apps on an Android phone or tablet. View the DANLERS range at LuxLive, London ExCel, November 14 and 15, booth L2. For further information danlers.co.uk
EASY TO INSTALL, PLUG-TOGETHER LIGHTING CONNECTION AND CONTROL Using the flex7 system cuts installation time on-site dramatically. The prefabricated products simply plug-together onsite, saving time, and reducing the requirement for skilled labour. Our products are simple to install, but the scope of our product range and flexibility of the system mean that we can cater for even the most complicated or unusual of requirements. Our wide client base encompasses commercial, education, healthcare, public, high street and transport sectors across the UK. All of our products are both designed and manufactured in the UK. Our design team focuses on creating innovative, high-quality, user-friendly products, that meet the constantly evolving needs of our customers. For further information visit flex7.co.uk
METWAY FULLY ADDRESSABLE SYSTEM • Ten individually addressable outputs Each lighting control module has 10 outputs and four switch inputs to cater to nearly every required scenario. • Fully communicating This allows occupancy information to be shared between the presence detectors to keep any essential lighting on if required.
ESP LAUNCHES NEW & IMPROVED GUARDCAM LED ESP has made improvements to its GuardCam combined security camera and LED floodlight, which now boasts a higher number of lumens – increased from 1,100 to 1,500lm – to offer an even better quality light output. GuardCam LED is a complete all-in-one, PIR floodlight, camera, speaker and DVR system, which offers an ideal low-energy external area protection solution. The system is straightforward to install by simply connecting to the mains power, fixing to the wall and setting the time and date via the supplied SD card. Once switched on, GuardCam will detect an intruder, floodlight the area, and initiate a high resolution 1280x720P video recording directly to an internal SD card. If selected, an audible warning can be delivered, and users have the ability to record their own warning message. An 8GB card is supplied and there is the capacity for a maximum card size of 32GB. Up to 200 20-second video clips can be captured. For further information visit espuk.com
CENTIEL GROWS GLOBAL INSTALLED CASE OF UPS CUMULUSPOWER
• Commissioning Commissioning will be carried out by a Metway commissioning engineer.
CENTIEL SA has confirmed it has a growing global installed base of its three-phase, modular UPS system, CumulusPower. Launched for the first time in the UK just over a year ago, CumulusPower has now been installed in data centres and comms rooms in over 60 countries across five continents. More than 50MW of critical power loads are now protected with CumulusPower in locations across the world including the UK, Singapore, Australia, Germany, Spain and the Czech Republic. Mike Elms, sales and marketing director, CENTIEL Ltd explained, “Although a relatively new company, CENTIEL is a Swiss-based UPS manufacturer whose team of designers have experience that covers the last four decades. They were responsible for the design of the world’s first three-phase transformerless UPS and the world’s first three-phase modular UPS. “As a result, the introduction of our fourth generation UPS CumulusPower to the marketplace has been met with unprecedented enthusiasm on an industry-wide basis.”
For further information visit metway.co.uk
For further information visit centiel.co.uk
• Can communicate without the need for DALI ballasts Although the system will normally communicate using the DALI protocol, it can also work using its own open network allowing the use of DSI ballasts or switching only luminaires. • Emergency monitoring If required, this system allows for emergency monitoring with fault reporting. Headend PC available. For integration with a building management system.
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What is mental health? Put your hands up if...
Free Mental Health Awareness Training 2018
To us y o just a nu are NOT umber
It is designed to give you: • An understanding of what mental health is and how to challenge the stigma • A basic knowledge of some common mental health issues • An introduction to looking after your own mental health and maintaining wellbeing • Confidence to support someone in distress or who may be experiencing a mental health issue
We believe in the importance of health and wellbeing for all our industry members and their families and we are working towards creating a positive culture around mental health.
Rotherwick House Meeting Rooms 4 & 5 3 Thomas More Street, London E1W 1YZ
If you are interested in understanding what is mental health? how can we remove the stigma? And how can you help support your friends, family and colleague’s? Then come along to our free mental health awareness training being held at the end of every month, in partnership with Mates In Mind.
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1pm – 3pm & 4pm – 6pm
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Confidence is 32 mpg from a 32 mpg van. When When you you need need to to improve improve the the fuel fuel efficiency efficiency of your fleet, you need Verizon Connect. of your fleet, you need Verizon Connect. Our Our platform platform lets lets you you see see critical critical vehicle vehicle data data and and make make adjustments in real time to reduce costly idling adjustments in real time to reduce costly idling times, times, improve improve driver driver behavior behavior and and save save fuel. fuel. Discover how you can see clearly, act intelligently and go Discover how you can see clearly, act intelligently and go with confidence at verizonconnect.com/uk. with confidence at verizonconnect.com/uk.
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