Myriad changes and opportunities — John Field

Understanding the requirements of the new Building Regulations

The 2006 Building Regulations present new challenges and opportunities for building-services engineers. JOHN FIELD is chairman of the Carbon Task Group of the Chartered Institution of Building Services Engineers and outlines their scope.

The key to bringing the energy-efficiency benefits of central plant and renewable energy to individual dwellings in a multi-apartment block is an interface based on a plate heat exchanger — such as the Danfoss Redan range from Taconova.

Delivering Part L to apartments

Multi-apartment buildings and multi-storey flats need a centralised approach to energy-efficient plant and exploiting renewable energy, while still permitting individual control and metering for each dwelling. JOHN COOPER explains how this could be achieved.

Electronic manometers overcome the limitations of mercury manometers. When integrated into a computerised commissioning device, the entire task of commissioning is much simplified. This is Comdronic’s AC5.

Commissioning systems with variable-speed pumps

With the growing use of variable-speed pumps comes the demise of proportional balancing. DUNCAN SELBY discusses this new world of commissioning.

These modern high-bay and T5 fluorescent lighting fittings achieve over 70 luminaire lumens/circuit Watt — well above the 45 luminaire lumens/circuit Watt required by the forthcoming Building Regulations for commercial and industrial buildings.

The route to more efficient lighting

The Government’s long awaited changes to Part L of the Building Regulations will set more onerous limits on the energy efficiency of lighting in domestic and non-domestic buildings. Just what’s involved is explained by HUGH KING.

The role of the Carbon Trust

The statistics of carbon emissions from buildings show just why the forthcoming Building Regulations are so timely.DR GARRY FELGATE explains how the Carbon Trust can help

Getting to grips with Part L

ANT WILSON of FaberMaunsell outlines the effect of energy-efficiency issues in the new Building Regulations for building-services engineers

Developing the next generation in home heating

Microgen Energy and Dutch boiler manufacturer are working together to commercialise an alternative to the traditional heating boiler. The microCHP appliance produces electricity and heat and could achieve energy savings of 25% for an average household. Remeha is represented in the UK by Broag.

Building-simulation is a valuable aid to plant sizing and assessing the performance of systems such as displacement ventilation.

Demonstrating compliance

With the performance of the entire building being what the new Building Regulations seeks to maximise, building-simulation software comes into its own. DAVID McCEWAN explains how such software is the key to integrated design.

Legislation has put in place measures to not only reduce energy spend saving on carbon emissions, but also to create commercial environments that are pleasant places for staff and operatives to convene and work in.

Developing tactics

IAN ADAMS offers advice on how building services contractors, facilities managers and building owners can take a tactical approach in preparation for the introduction of the new Building Regulations.

Making it easy to upgrade to its powered-flue heaters from old balanced-flue systems, Rinnai offers a flue-conversion kit.

An upgrade route for fan convectors

To enable old, balanced-flue heating systems to be replaced with its powered-flue units, Rinnai UK has developed a flue-conversion kit.

Natural ventilation for the Jubilee Library in Brighton is provided using actuators for low-level windows and roof vents supplied by SE Controls and controlled by the building-management system.

SE Controls delivers natural-ventilation for Brighton library

A natural-ventilation system from SE Controls has been specified for the Jubilee Library in Brighton. It has been designed by architects Bennetts Associates with Lomax Cassidy & Edwards as part of a £45-million scheme to transform a run-down area in the heart of Brighton with the creation of a new square, hotel, residential, retail and leisure buildings. The library itself has been designed to represent the future of public libraries.

Renewable energy for underfloor heating and cooling in this school in Holland is provided by groundwater.

Groundwater provides renewable energy for underfloor heating and cooling

Renewable energy from an underground aquifer serves an underfloor heating/cooling system in a recently completed school project in Holland. The Velta Contec system serves an area of 14 600 m2 in the Harlemmermeer Lyceum at Hoofddorp near Rotterdam.

Supermarket under pressure — BSRIA advised on airtightness standards for this Tesco store at Diss and carried out subsequent testing.

Every little helps save energy at Tesco supermarket

As part of its continuous drive to save energy, Tesco has incorporated rooflights, Sunpipes and a wind turbine at its new store at Diss in Norfolk. Airtightness services are being provided by BSRIA as part of continuing collaboration for over 13 years to achieve airtightness specifications way below those required by the Building Regulations.

Digital lighting controls for this building on the Spinningfields development in Manchester are being supplied by Simmtronic.

Simmtronic installs lighting controls for Manchester development

Simmtronic has supplied the fully addressable digital lighting-controls system for a new corporate office building on the new Spinningfields development in Manchester. Due for completion in March, 2 Hardman Street is an 8-storey building offering 13 300 m2 of office space and a basement car park.

Simple to install and providing readings in £, kWh or MWh — the HCM4 range of heat meters from meters UK.

Putting simplicity into heat metering

The HCM4 heat-calculating meter from Meters UK uses digital high-accuracy sensors (DHAS) to measure pipe temperature, avoiding the problems associated with platinum-resistance sensors and their complex installation requirements. DHAS sensors can be strapped onto pipes, rather than placed in designated pipework pockets.

By delivering heating using a balance of off-peak and direct-acting electricity, the Dimplex DuoHeat radiator achieves carbon savings without increasing running costs.

Electric heating meets Part L

Against the background of the forthcoming Building Regulations, Dimplex has enhanced its approach to electric space heating to achieve carbon savings of up to 10% over conventional off-peak heaters.

Incorporating thermal wheels for maximum annual heat transfer, Eurex Energy’s RotOvex units deliver airflows up to 180 l/s.

Boosting the efficiency of ventilation units

Packaged ventilation units from Eurex Energy incorporate a thermal wheel to exchange energy between the two air streams. There are three models in the RotOvent series, offering airflows from 10 to 180 l/s.

The EcoCooling range of evaporative coolers can deliver 100% fresh air to the interior of buildings with a temperature drop of 8 K.

EcoCooling enlarges the scope of evaporative cooling

EcoCooling has added side- and top-discharge evaporative coolers to its ECP range. They are designed for the commercial and industrial market to provide a simple, safe and low-cost cooling for people and processes.

The fan-convector heater that works with condensing boilers — Biddle’s Forceflow CB.

Fan-convector heaters for condensing boilers

Biddle has enhanced the design of its Forceflow fan-convector heaters to operate with lower water temperatures — such as those delivered by condensing boilers.

An Ex-Or lighting-control system at Guildford College of Laws has achieved substantial capital-cost savings over PC-based, software-driven systems.

Ex-Or takes charge at Guildford College of Law

Sophisticated lighting-management and control systems from Ex-Or were specified for the showcase 2-storey extension to the learning resource centre of Guildford College of Law.

Heat-recovery VRV air conditioning for London Bioscience Innovation Centre

Phase 3 of the London Bioscience Innovation Centre, comprising 23 new office suites with adjoining laboratories, are fully air conditioned by five Daikin VRVII heat-recovery systems.

An Internet-based approach to meeting new building-management legislation using existing instrumentation is provided by the t-mac system.

Meeting new building-management legislation using existing instrumentation

An Internet-based approach to using existing instrumentation as part of remote management for energy monitoring and plant maintenance is offered by t-mac Technologies.

Summer indoor temperatures in this office in Bristol have been reduced from 28°C to 21°C following the installation of a Breezair air cooler.

Breezair air cooler takes control of high summer temperatures

Excessive indoor temperatures in the group head office of Garden & Leisure have been brought under control by installing a Breezair evaporative air cooler from Seeley International.

Demonstrating the capability of integrated service modules to integrate all the functions of building services and a conventional suspended ceiling into one compact unit is this installation for Imperial College in London.

Cool by design — services all in one

Integrated service modules based on chilled ceilings have the potential to transform building design and project management. explains. ANDREW JACKSON.

The compact and local approach to balancing for fan-coil units and chilled ceilings and beams is provided by SAV with a single box containing up to six balancing valves (three in this example) and a suitably sized differential-pressure control to provide good valve authority.

Balancing for variable-speed pumps

Maximising the energy-saving potential of variable-speed pumping systems in air-conditioning systems using fan-coil units demands action up close — says LARS FABRICUS.

test room
A mock-up test for chilled ceilings includes office furniture, office equipment and people simulators to help create a realistic setting.

Assessing the performance of chilled ceilings

With the environment in which they are installed having a significant effect on the performance of chilled ceilings and beams, WILLIAM BOOTH explains the benefits of mock-up testing.

New standards of quietness and flexibility for fan-coil units

Carrier’s quietest fan-coil unit to date is the Atmosphera, designed for concealing above ceilings.

Frenger multi-service chilled beams for this project in London are just 140 mm deep and operate below dewpoint to increase cooling capacity.

Multi-service chilled beams achieve slimmer profile

Frenger has supplied multi-service chilled beams for Saffron House in London that are just 140 mm deep. This listed building has minimal slab-to-slab height. As a speculative office development, it required exceptional heating and cooling capacities from the shallowest possible depth.

Comfort cooling for the luxury bedrooms in this former prison, now a hotel, is provided by Trox passive chilled beams.

Chilled beams help transform prison into luxury hotel

Part of the transformation of a former prison into a luxury Malmaison Hotel includes the installation of 77 chilled beams to convert the former cells of A-Wing t Oxford Castle into opulent bedrooms. Trox (UK) supplied these passive beams in a contract worth £100 000 and customised their design to blend in with their surroundings. Trox also supplied a range of fan-coil units, attenuators and grilles for the project.

The latest test facility of Trox at Thetford measures the thermal output and air-volume performance of 4-pipe fan-coil units.

Trox invests in test chamber for fan-coil units

Trox (UK) has invested £40 000 in a new facility to test fan-coil units. to the requirements of BS 4856 Part 1 1972.

As part of the low-energy refurbishment of two buildings near Bath for Helphire, air-conditioning is provided by Actionair fan-coil units with electronically commutated motors and digital control.

Actionair FCUs as part of controllable low-energy air conditioning

Actionair fan-coil units with DC electronically commutated motors have been used in the major refurbishment of two former MoD buildings near Bath to provide a new headquarters for Helphire Group, which specialises in replacement transport and other insurance-related services for motorists. The use of these motors can reduce power consumption by up to 40%, suiting them to low-energy environmental control. The heat gain from the fan motors is reduced by two-thirds.

240 fan-coil units with electronically commutated motors are being supplied by Smith’s Environmental for this development in Brentford.

Digitally commutated fan-coil units use less energy

Fan-coil units with electronically commutated fan motors are being supplied by Smiths Environmental for Berkeley First’s Paragon development in Brentford. The 240 units will be installed by Star Mechanical & Electrical Services to provide air conditioning in the academic block, an 11-storey building which will become the new home of Thames Valley University’s faculty of health and human science this autumn.

Carrier’s new facility for fan-coil units is part of an ISO-certified laboratory.

New Carrier facility provides witness testing of FCUs

The opening of a state-of-the-art demonstration facility for fan-coil units enables customers to witness performance testing before a building is built. Virtually any building characteristics can be created. A wide range of windows, flooring and ceilings are held on site at Montluel in France, and thermal loads, outdoor and ambient temperatures, and the effects of solar heat gain can be replicated and varied at will.

The first installation of Trox’s carbon-dioxide cooling system for computer cabinets is at Imperial College. The units bolt on to existing racks and can remove up to 24 kW of heat, returning air to the space at the same temperature as it entered the front of the cabinet.

The next generation of cooling for computer rooms

With the cooling requirements of data centres outstripping conventional close-control air conditioning, Trox has been working on a radically new approach.

Monitoring the performance of all building-services systems, including electrical plant, is the key to identifying and delivering energy savings.

The intelligent approach to maximising energy efficiency

The potential to reduce the energy consumption of existing buildings is boosted by adding intelligence to them. RICHARD HIPKISSS explores the need and the possibilities.

Renewable energy that is not subject to weather vagaries

Not only do ground-source heat pumps represent an effective way of using renewable energy without storage problems but they also address the issue of rising fossil-fuel prices. As TONY BOWEN explains.

Convincing boards — Mike Lawrence

Building-services manufacturers look to encourage energy efficiency

A new group has been set up by the Federation of Environmental Trade Associations (FETA) to stimulate the use of energy-equipment. The Energy Reduction Group is chaired by Mike Lawrence from the British Refrigeration Association.

HSBC’s top BREEAM award builds on carbon neutrality

The HSBC Group headquarters building in Canary Wharf has become the first building in this development to achieve a BREEAM ‘Excellent’ rating.

R&D initiative aims to bridge gap between research and application

Centres for research into energy utilisation and sustainable building design are part of a major new R&D initiative for the built environment launched as the BRE-Universities Partnership. Initially, there are four research centres; energy utilisation is at the University of Strathclyde and sustainable building design is at the University of Cardiff.

Preparing for the new Building Regulations

With the new Building Regulations requiring a 28% improvement on current performance, CIBSE’s forthcoming national conference in March is designed to help professionals throughout the industry deliver innovative approaches to the design, construction and operation of buildings. Other driving forces requiring a step change in industry performance include local planning requirements and voluntary codes.

Cofathec acquires Energy Services

Energy and facilities provider Cofathec has acquired Energy Services Ltd as part of its strategic expansion in the energy-management market. The acquisition of ESL, which is based in Halesowen, will boost Cofathec’s turnover by £5 million and bring in 17 more staff members.

Briggs & Forrester performs key

roles in hospital project

The Matrix Park, Chorley, plant of Vernon-Carus, where Thermal Transfer has won a £5.25 million order to design and build a new medical-instrument sterilisation suite and manufacturing facility.

Thermal Transfer wins major healthcare project

Thermal Transfer has secured a £5.25 million contract for the design and build of a new sterilising suite for medical instrument and manufacturing facility for Vernon-Carus.

Yorkshire contractor works on its biggest contract

Yorkshire-based building-services group JH Shouksmith & Sons has win its largest-ever contract. Worth £3.6 million, it is for mechanical and electrical work for student accommodation in Leeds.

Fulfilling objectives — Paul Kingswell of Axair Climate.

Axair Climate enlarges project portfolio

Axair Climate has established a partnership with Fujitsu to launch a new range of split air conditioners in the UK. The move further strengthens the packaged side of the business of Axair Climate. The company’s product portfolio includes Condair, Defensor, Hitachi and Blue Box, and it already has successful trading inks with Fujitsu elsewhere in Europe.

WYG wins design role for £38 million educational project

Design services for the £38 million Macclesfield Learning Zone project are being provided by the Manchester office of White Young Green. This world-class educational campus will comprise a new college, new joint sixth-form college, new school for Henbury High School, new joint sports centre, the European Centre for Aerospace Training and the integration of Park Lane Special School.

Building-services engineers set up recruitment company

Following some 20 years working in the building-services industry, Darren Warmington has set up a new recruitment company specialising in building-services vacancies. He has worked as a site-based engineer and designer in both consultancy and contracting and has a number of years’ recruitment experience in design consultancy and project management.

College block release is a key element of the revamped apprentice scheme of SES launched last September.

New apprentice scheme shows benefits for SES

Less than six months after SES launched its revamped apprentice scheme to 28 budding engineers, the benefits are being seen at sites across the country.

The teams at Watts UK and Watts Martin Orgee have combined forces under the new name Watts Industries UK.

What’s changing at Watts?

Pipework-fittings specialists Watts UK and Watts Martin Orgee have combined forces under the new name Watts Industries UK Ltd. The complementary businesses will operate as a fully integrated division of Watts Industries Group.

LG continues to dominate global air-conditioning sales

LG is the world’s largest manufacturer of air-conditioning products for the sixth consecutive year, according to independent auditors. The company has sold over 10 million units in consecutive years.



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