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Practical solar energy

Solar energy technologies for buildings are no longer limited to add-on technologies. They can now be integrated with the fabric of buildings — with significant cost implications. CLARE HAWTIN tells the story.

Terry Wyatt
Renewable heat – the era of ground-source heat pumps

With carbon-dioxide emissions being 50 to 60% lower than even a gas-fired condensing boiler, ground-source heat pumps have a key role to play in a low-carbon future. PROFESSOR TERRY WYATT explains why he believes their time has arrived.

Brian Sensecall
Underfloor heating – better comfort by design

A new standard for calculating the performance of underfloor heating systems is not only simple but very accurate. BRIAN SENSECALL explains how it works.

Church heating
Redefining the performance of gas-fired convector heaters

Forget the heating of village and church halls of your youth. Gas-fired convector heaters have advanced enornmously — as BILL SINCLAIR explains.

Industrial heating
What’s best for your business?

Heating remains one of the biggest operational overheads for industries throughout the UK. The Government’s Climate Change Levy has added an extra cost to all fuel bills. Switching to energy-efficient space heating technology will minimise fuel consumption, benefit the environment and, most importantly, reduce costs. DAVID ROCK of Ambi-Rad Limited explains.

Reflecta
New opportunities for electric underfloor heating

Technological advances in recent years enable electric underfloor heating systems to provide optimum comfort and be economically viable, says SIMON BRODERICK.

Osma
Underfloor heating for raised access floors

An underfloor heating system designed for use with raised access floors has been developed by Osma. The system can also provide cooling.

Essex college enjoys the benefits of boiler replacement

Faced with the need to replace three cast-iron sectional boilers with ages from 12 to 30 years, Bryan Yates, site manager with Braintree College in Essex, embarked on a feasibility study with consulting engineers Atkins Management Professional Services. The aim was to identify new boilers that would achieve efficient performance with low emissions, ease of maintenance, responsiveness ot varying space-heating requirements and the ability to be easily retrofitted to existing pipework.

Eco Centre
Eco Centre goes to ground for its heating

A ground-source heat pump provides space heating for the Eco visitor centre in Southport, which is the terminus for the park-and-ride service and a showcase and teaching centre explaining sustainable construction and renewable energy. Over 500 000 visitors a year are expected.

Calorex
All-electric heating and cooling solution is heat-pump based

Underfloor heating and cooling served by a Calorex heat pump is providing an energy-efficient solution for a suite of offices in Aylesbury.

Unimat
Energy-efficient boilers for larger heating systems

The Unimat range of commercial boilers from Controlled Flame Boilers is designed to provide energy-efficient solutions for larger heating projects. PM5 safety requirements are included as standard items.

CG boiler
Wall-hung condensing boilers

A range of six wall-hung condensing boilers from Clyde Combustions covers outputs from 58 to 180 kW. All have a maximum operating pressure of 6 bar.

boiler
Hamworthy takes condensing boilers to a new dimension

Hamworthy Heating has launched a range of stainless-steel condensing boilers designed for use in modular arrangements or singly. Ansty boilers have two return connections, one low temperature and the other high temperature, allowing separate circuits to operate at different temperatures, such as underfloor heating and DHW. The lower-temperature return circuit enables the energy-saving benefits of condensing operation to be realised.

school building
Pre-school nurseries enjoy the benefits of underfloor heating

Underfloor heating systems in five new pre-school nurseries in the Isle of Thanet are providing safe heating without the use of cumbersome and costly LT radiators and without taking up wall space.

Computers
The circle of life

Throughout the life of a building, from conception to occupation, and beyond, on-line tools provide scope for collaboration in a way that has not been possible before. GAVIN DALE explains.

Emitex
Cat. 6 package is installer friendly

Emitex has added a Category 6 package to its range of data-cabling products to meet the need for higher transmission speeds.

The package comprises patch panels, cables, modules and associated products to provide a generic cabling system for high performance.

It enables transmission speeds of 250 MHz, which is three times higher than standard Cat. 5 cabling.

The high-performance cable has an extruded pair separator for outstanding cross-talk performance.

An integrated approach to services design

Graphisoft’s CADLink program for the design of HVAC and electrical services is based on a 3D database that tracks all elements with which a building is put together. Using Graphisoft’s Virtual Building model makes it possible to design, administer and manage a building throughout its entire life cycle.

Software for small projects

Estimating software that links directly into the Jewson’s price list is being launched by HBXL. This price list is continuously updated.

This software for estimating and project management is specifically aimed at small businesses.

market analysis
The growing importance of M&E expertise in facilities management

Facilities managers today are responsible for the building’s performance, and their uncompromising relationship with their occupiers and service providers can only be satisfied if mechanical and electrical skills are there in the first place, says MAURICE TIDY.

Betting shop
Maximising the benefits of portable-appliance testing

PETER WOODS provides a 7-point checklist for selecting a company ot carry out portable-appliance testing

Kenneally
Exploiting the benefits of outsourcing facilities management

CHRIS KENNEALLY shares his views and experiences of making outsourced facilities management a profitable and successful experience.

Painted Room
Maintenance at Greenwich is no mean achievement

Providing maintenance care for historic sites such as the Old Royal Naval College in Greenwich generates many challenging demands. Modern equipment is shoehorned into basement areas, there is a range of disparate building services, and architectural features and decoration demand great care when working.

Welsh Assembly
Welsh Assembly extends Dalkia contract

Dalkia has won a further extension to its 5-year contract to provide comprehensive facilities services to The National Assembly for Wales. In addition to the principal buildings in Cardiff, the contract includes nearly 60 locations throughout Wales. The total estate is some 100 000 m2, mainly offices.

Travel agent
EWS maintenance service is Going Places

Some 600 outlets outlets of travel agent Going Places in the UK and Ireland are covered by a service-and-maintenance package provided by mobile engineers from Eaton-Williams Service.

Kitchens
Towards safer and more comfortable commercial kitchens

STEVE LEONARD advises on standards, guidance and product selection for the effective, efficient and safe ventilation of commercial kitchens.

The ifs and buts of climate change

Is it my imagination, or has more been said by politicians and written in the Press about climate change and global warming than usual during the past month? Perhaps Modern Building Services started the ball rolling in the last issue when we suggested that since most experts now agree that climate change is inevitable, there is probably little point putting effort into designing services to reduce emissions of greenhouse gases.

BSRIA enlarges its testing facilities

BSRIA has boosted the capability of its test facilities with the completion of a new 230 m2 laboratory. It complements the existing 810 m2 laboratory, which can test over 30 types of building-services products, and offers the industry independent accreditation services and expertise for product development, certification and performance verification.

Inviron
Inviron wins Burnley Hospital PFI contract

The £6.5 million contract for M&E services for the PFI scheme at Burnley General Hospital has been won by the Manchester office of Inviron.

Merry Hill shopping centre wins BREEAM first

The first retail development to be certified under the new BREEAM retail scheme is Merry Hill shopping centre in the West Midlands. It was assessed by the sustainable-development group of FaberMaunsell for its existing operations in May and achieved a score of ‘very good’.

Gittings
LG reports record sales for 2004 air-conditioning season

A near 40% increase in sales for the 2004 air-conditioning season for LG has been attributed to new inverter products and a massive demand for the Art Cool range of designer-style wall-hung interior units and standard popular models such as cassettes.

Hills ensures that the show goes on at Royal Opera House

Two performances of ‘Tosca’ at the Royal Opera House in London went ahead thanks to careful planning by Hills Electrical & Mechanical for the lifting of new standby generators at the nearby BT in Covent Garden and the closure of 200 m of Bow Street for a whole weekend recently. The road closures around one of the West End’s busiest tourist destinations were necessary to enable the giant crane to be assembled by a second crane before manoeuvring the generators into position.

HVCA president highlights people as the key to the future

The development of the workforce in the building-services contracting sector has been highlighted by HVCA president Mike Taylor as the single theme binding together the key issues affecting the future of the association and its members.

Carrier joins in with the Genome project

A 27 000 m2 extension for the Wellcome Trust genome campus outside Cambridge represents the largest single application of Carrier Global chillers in the UK in recent months. Eleven 30 Series chillers, two dry coolers and 600 unit coolers will provide 7 MW of cooling for the first phase of this project. The order is worth about £1 million.

Chimney orders reach new heights

Business is booming for chimney and flue specialist A1 Bridge Flue Systems, with a record £1.75 million-worth of orders placed in June and July.

New website introduces engineering to secondary schools

To raise awareness of engineering as a career choice among 14 to 16-year-olds, engineering consultancy Buro Happold has launched a new website (URL below).

WYG
White Young Green wins medical-research contract in Newcastle

A multidisciplinary appointment on a new £4 million research facility for the University of Newcastle upon Tyne has been awarded to White Young Green. It will house the university’s first magnetic-resonance (MR) scanner for clinical research. Based at Newcastle General Hospital, the scanner will be used to build up an internal picture of the body without using X-rays. This should allow the integrated clinical and basic research team to make substantial progress in diabetes, cancer, heart disease and dementia. The team will also be able to expand its understanding of how various body functions work.

Underground sign
LUL takes Indepth approach to cleaning grease-extract ducting

Transport for London has awarded a contract for cleaning grease-extract systems at over 20 Transport for London and London Underground sites with staff catering operations to Indepth Hygiene Services.

HVCA starts campaign to resist Dutch auctions

With evidence of the growing use of Dutch auctions, the HVCA has embarked on a campaign to resist this unregulated practice.

Research report considers how buildings can respond to hotter Summers

New research commissioned by the Department of Trade & Industry provides a template for how UK buildings can be adapted to cope with increasingly hot Summers — one of the main effects of climate change. The research was carried out by Arup, and the full recommendations will be published in the Autumn as a CIBSE technical memorandum.

Armstrong re-organises its pump operations

Pump manufacturer Armstrong has restructured its UK operations following the rapid integration of its sales teams, product lines and business systems with those of Armstrong Holden Brooke Pullen.

Carrier
Carrier cuts cost of air-conditioning control at Stansted Airport

integrated controls for an air-conditioning installation at Stansted Airport is said to have saved tens of thousands of pounds in customised software routings, wiring and additional controls.

Vent-Axia
Vent-Axia is firmly on the school syllabus

Vent-Axia’s capability as a comprehensive single source for fans, air-handling modules and accessories has led to the company’s equipment being specified and installed in the new Maidenbower Secondary School in Crawley, West Sussex. It is the first of three similar projects for new schools in the area, the others being Ifield and Thomas Bennett.

Daikin
First UK installation for Daikin’s Mini VRVII-S system

The first UK installation of Daikin’s R410A mini VRVII-S air-conditioning equipment serves a cooling load of 109 kW for the new Wood House commercial complex at Woodlingdean in East Sussex. Developed by Westridge Construction at a cost of £1.8 million, the 2-storey complex on the South Downs is U shaped and zoned into four self-contained areas on each floor with a view to multiple-tenant letting.

Kingspan
Report identifies the benefits of pre-insulated ducting

Kingspan’s pre-insulated KoolDuct system can be installed three times faster than sheet-metal systems — according to research by consultants Bucknall Austin.

Walking machine
JJB leisure centres put Hager Tebis system through its paces

The problems of providing both central switching and some local control for lighting circuits supplied from different distribution boards has been solved for JJB leisure centres by Hannan Associates using Hager’s Tebis bus-based system.

Gym
Ventilation passes Fitness First test

To provide comfortable conditions in exercise areas of a gymnasium where a low ceiling made the atmosphere unacceptable, textile ventilation ducts have been installed vertically in structural columns and fed with conditioned air via ductwork in the ceiling.

Gallery
Industrial control system makes light work at National Portrait Gallery

To meet the demanding environmental control requirements of the National Portrait Gallery in London a range of industrial control hardware and software is now used to manage building services. The hardware and software from Rockwell Automation is part of a £38 million investment programme. It includes Allen-Bradley logic controllers and motor-control gear, as well as a Rockwell Software Active Display Server supervisory control and data-acquisition system.

ICS
ICS mixes the new with the old

A technically challenging project involving the design and installation of new plant and controls to operate alongside existing refurbished equipment has been completed by Integrated Control Systems.

Airflow
Airflow sets new standards in fan design

Design style, ease of installation and performance are billed as the main features of the Icon range of domestic ventilation fans introduced by Airflow Developments.

Beeston
Instant hot water

Continuous supplies of hot water can be delivered by a plate heat exchanger from Beeston Heating at 99% efficiency. With primary water at a nominal 82°C, these units raise cold water from 10 to 60°C.