2007 January

Refurbishment work is affected by the Building Regulations more than ever before. It can be a minefield, but IAN ADAMS explains how to chart a safe path.
If the design of building services is considered early enough, it can almost become part of the building fabric rather than added later — with considerable benefits, as a landmark building in Germany demonstrates.

Two shows you must not miss

20 January, 2007
Everyone who needs to keep up to date with developments in the HVACR industry must make sure they visit H&V07 and RAC07 from 27 February to 1 March.
A new approach to increasing the thermal inertia of buildings, which can also be retro-fitted, has been developed and tested by DuPont.
Energy efficiency seems to be the only game in town at the moment, but that doesn’t mean we can ignore health, safety and productivity issues, says NIGEL EDWARDS-HUGHES.
RICHARD WALKER, explains why the changes to Part L of the Building Regulations were necessary and how they affect the selection of boiler plant.
Sales of condensing boilers to in the commercial market are approaching 50% — but STUART PURCHASE is concerned that they are not able to realise their full potential.

Beyond weather compensation

20 January, 2007
Do you fancy reducing your heating bills by 20 per cent? PETER JENNINGS believes he has the answer.
There are undoubted benefits to installing condensing technology in existing buildings, but it is a much more complex matter than simply swapping over the boiler says STEPHEN LAWS.
As part of its obligation to meet the Welsh Housing Quality Standard introduced by the Welsh Assembly in 2002, Torfaen County Borough Council in South Wales is working with boiler manufacturer Glow-worm to replace boilers in its housing stock of some 8500 units.
CCL Lindab now offers a stainless-steel flue system for commercial and domestic applications. It can be used with gas- or oil-fired boilers and industrial air heaters.
Integrated into the environmentally aware services of Fifteen Cornwall, the restaurant inspired by Jamie Oliver at Watergate Bay near Newquay, are high-efficiency boilers and calorifiers from Clyde Energy Solutions.
A total of 19 Hoval gas-fired condensing boilers have been installed at the Emirates Stadium of Arsenal Club to serve heating and hot-water systems. Key factors in the specification of the Ultragas AM-c 500 boilers by consulting engineers Buro Happold were their high efficiency and compact design, optimising the use of plant-room space.
Viessmann has expanded its capabilities in the market for biomass-fuelled boiler and CHP with the acquisition of Austrian manufacturer Mawera. This company has a turnover of E30 million and has been awarded prizes for innovation by the Austrian and Bavarian state governments.
To simplify installation, Hamworthy Heating has improved the water manifold kits used with its Wessex ModuMax range of gas-fired boilers.
Social housing in the north west of England is being refurbished using high-efficiency boilers supplied by Ferroli. The company is working with the property services division of Progress Housing Group and is supplying condensing combination boilers from its Optimax and Maxima ranges, together with a service package that includes next-day call out, free training for Progress’s gas heating engineers and sponsorship of its apprenticeship scheme.
The Dimplex Ascari fully modulating electric boiler for domestic heating systems does not require a flue and is said to be ideal for heating smaller properties — especially in multi-occupancy buildings where the design does not allow for gas ventilation but wet radiators are the preferred choice. It is said to be ideally to areas offering Economy 10 and other similar tariffs.
As part its Decent Homes programme, the London Borough of Greenwich has installed Vaillant ecoTEC plus high-efficiency combi boilers to modernise 36 maisonettes. They were installed by K&T Heating services and flued using Vaillant’s variable termination kits, enabling the flue outlet to be resited away from the boiler to reduce the impact of nuisance pluming.
Modern, well insulated large-space buildings require lower heat inputs to their warm air heating systems — but heat distribution must cover much wider areas. ERIC FENTON explains how this can be achieved without extensive ductwork.
Annual energy savings of over 1000 MWh are expected at Belfast International Airport following the refurbishment of a number of air-handling units. The work includes the retrofitting of variable speed drives to the fans of these AHUs. Carbon emissions will be reduced by over 500 t a year.
Replacing the lighting system provides a wonderful opportunity for giving an office a fresh look and increasing productivity and well being. Hugh King’s health check will help you consider your refurbishment options.
Weatherite Building Services Group has completed the refurbishment of air-conditioning system for Supernews shops in Keighley and Sheffield. The projects were part of a major facelift programme of more than a hundred T&S Supercigs shops acquired from Tesco two years ago.
Faced with retrofitting air conditioning into a prestigious central-London address, Air Conditioning Solutions (ACS) replaced the existing cooling-only system with five Mitsubishi Electric PURY-P City Multi heat-recovery units. Gloucester Place Business Centre in London’s West End is an elegant 5-storey period building which combines old with new. Each office of this multi-tenanted building still has the original Edwardian fireplaces, for example.
Econo-Air air-handling units have been supplied by Stokvis Energy Systems for projects at three schools in the West Midlands to enable the use of sports halls to be increased.
New Government regulations place increasing pressure on a building’s owners or users to control and reduce energy use, coupled with stricter requirements on indoor air quality. How do they affect building services in the renovation and conversion markets, and should you replace an ancient air-conditioning system that still seems to work well? PHIL ORD explains more.
As part of the comprehensive refurbishment of the British Film Institute’s National Film Theatre complex on London’s South Bank, Daikin VRV inverter-controlled heat-recovery systems have been installed in many of the new features and special areas.

The spare-parts issue

16 January, 2007
Managing the maintenance, repair and operations of any commercial building is a balancing act for the engineers, facilities managers and contractors involved. Tom Wilson discusses the value that distributors can bring to the maintenance and repair operation.
F-gases (HFCs) do a wonderful job inside chillers, but they are very unkind to the environment if they escape. ADRIAN TREVELYAN explains the forthcoming regulation to contain F-gases — and how they are an opportunity rather than a threat.
As part of the upgrading of halls of residence at the University of Wales Aberystwyth, Parkersell is rewiring the halls and inspecting and testing the fixed wiring. Parkersell is also carrying out emergency-lighting work.
OCS Engineers has won a new 3-year care contract to maintain the headquarters of the London Chamber of Commerce & Industry. The deal builds on a 3-year relationship which began when OCS’s predecessor (BES) won the initial LCCI contract.

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In August, MBStv talks to Stephen Lisk, president of CIBSE about the need to adapt to changes and how collaboration leads to better working. many more...

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Alan Jamieson of Peldon Rose discusses the changes and trends of building services within offices and the focus of wellbeing. 

Alastair Martin: The energy market right now

Chief Strategy Officer at Flexitricity expresses the current state of the energy market and the need for flexibility.