2005 March

coils
Good system hygiene increases efficiency, improves IAQ – and saves money. VERN KLEIN explains why – and offers essential advice on preventative maintenance.
Problems with indoor air quality are preventable, asserts WILLIAM BOOTH.
FIG 1
Hot, dry air is not at all comfortable, which is why ALAN BERESFORD argues that evaporative cooling has an important role to play in increasing indoor air quality.
OPERATING THEATRE
What you cannot see in indoor air is what you should be concerned about. GRAHAM BENTLEY explains the role of the wide variety of air filtration that is available.
Ex-Or

Faster light

20 March, 2005
The MLS Connect Digital quick-connection system is described as a quick and easy way of installing lighting-management systems in larger offices.
Academy
A range of equipment from Mita is used to carry provide power and data services in the £15 million Unity City Academyin Middlesbrough. Designed by Hickton Madeley, it has been designed as a centre of excellence and features a large amount of IT equipment.
cable tray

Cable tray is miles ahead

20 March, 2005
Cablofil cable tray is being used to carry mains, data-communications and low-voltage electrical wiring and cabling in refurbishment work covering nine schools in England and Wales.
Shop
Hager’s Klik LDS flexible connection system has provided the lighting-control solution in the new 15 000 m2 House of Fraser store in Croydon. The system helped electrical contractor DIS meet tight installation deadlines,with pressure for the store t open quickly and generate revenue.
Guide
The new guide to electricity in buildings published by the Chartered Institution of Building Services will be invaluable to design and construction professionals requiring easy access to information on electrical services.
Floor box
Quick to install and quick to respond to changes — that is how ALAN POTTERTON perceives the benefits of flexible prewired systems under raised floors.
box
As the development of IT systems continues to match the demand for increased speeds and greater network capacity, high-tech structured wiring and cabling networks are becoming commonplace. Although providing new opportunities for contractors and installers, it is essential that the containment for these latest-technology installations can meet future as well as current requirements. STEVE DAVIS explains.
diagrams
The profile of prefabricated wiring solutions for electrical services was highlighted at a recent seminar launching the new guide to electricity in buildings by the Chartered Institution of Building Services Engineers.
Sage
A mock-up of the air-conditioning system for the £70 million office complex of business-software company Sage at Gosforth, Newcastle upon Tyne, using almost a thousand chilled beams revealed that the design of the ceilings needed to be modified. The design was altered before work started on site, and the tests demonstrated that the beams would do what the manufacturer Trox said they would do.
Zetters
The scope of VRF air conditioning has been opened up enormously with the development of water-cooled condensing units.
table
Engineered heating solutions can answer the challenges of installations that are not suitable for off-the-shelf products. They offer the flexibility required to meet the heating needs of ‘problem’ buildings, JOE KIERNAN explains
mock-up
Knowing in advance that an engineered solution will work by testing a mock-up is good news for everyone involved in a project. Mock-ups can also help identify performance problems, as WILLIAM BOOTH explains.
boilers
Hamworthy has extended its Wessex range of high-efficiency boilers with fully modulating condensing boilers. The ModuMax 200 Series offers outputs of 250, 500 and 750 kW. The 100 Series provides outputs of 120, 240 and 360 kW.
motors
ABB’s latest range of motors for smoke-venting applications have been tested to withstand up to 400°C for two hours. These motors comply with the European standard EN 12101-3, which becomes mandatory in new installations from 1 April 2005.
ac unit
Mitsubishi Electric’s Mr Slim Power Inverter range has been extended with 8 and 10 hp units to offer an increased capacity of 28 kW with the potential of reducing power consumption by up to 50%.

Energy-management

19 March, 2005
Allen-Martin’s XNET network module for its energy-management systems has TCP/IP capability. The module facilitates a fully integrated Allen-Martin energy-management system within the IT infrastructure of an organisation and allows access to view and monitor the system using a computer with Internet access from a remote location.
controller
Satchwell Controls’ DC1400 optimiser/compensator has evolved from the popular Drayton DC1100, but is designed to be compatible with the full range of Satchwell temperature sensors.
FCU

Fan-coil units

19 March, 2005
A range of high-quality fan-coil units from McQuay has cooling capacities from 1.5 to 50 kW and noise levels that meet the requirements of the UK market.
Chef
To meet new legislation affecting ventilation systems for gas-fired catering equipment, CCL Veloduct has introduced a comprehensive range of fan safety interlock systems and controls. The new regulations require commercial kitchens to provide adequate ventilation via extract and input fans to control harmful gases and other fumes — and to shut off the gas supply if a fan fails. The regulations affect new kitchens and major changes such as fitting a new oven.
Romeo
All operational information of Aermec chillers is available via mobile phone using the Romeo remote monitoring system. Fault diagnostics can be sent to the phone, which can then give commands back to the chiller.
SHRM
Toshiba’s Super Heat Recovery Module (SHRM) is a 3-pipe inverter-controlled VRF system using R410A to provide simultaneous heating and cooling for partitioned or multi-zone environments.
The latest Econostor storage water heater from Stokvis operates on the tank-in-tank principle for maximum efficiency.
sensors
Sontay’s latest range of plant thermostats covers a wide variety of typical HVAC applications and is competitively priced.
Thermal camera
A thermal-imaging camera that is a derivation of Flir’s proven E-Series provides a quick and easy non-invasive method of monitoring and diagnosing the condition of building structures. It allows the user to image entire rooms, inspect areas that are difficult to access with moisture meters and discover damp behind tiled walls and wallpaper that does not readily water-stain. Leaks can be tracked to their source and the drying process monitored.
chiller
Optional extras for Daikin’s large screw chillers now include heat recovery, inverter fans and fans with high external static pressures. Daikin has also fitted standard filters for both water- and air-cooled chillers with plate heat exchangers.
servicing
EWS has launched a new service to undertake a wide range of refurbishment projects, replacements, repairing and installing. Work can include air conditioning (comfort and close control) public health, electrical, fire detection, ventilation, water treatment and controls — including building-management systems.
Tree house
Heating for one of the major attractions at Alnwick Gardens in Northumberland, the world’s largest tree house, is provided by an Even-Heat underfloor heating system.
pipes
To meet contemporary performance and hygiene standards, Durapipe’s Friatherm pipework has been used in the refurbishment of Leeds Blood Transfusion Centre as part of the upgrading of all hot- and cold-water services.
Citygate
When the internal layout of Phase 2 of the Citygate project in Newcastle upon Tyne changed, Trox adapted the specification of its chilled beams and enabled them to be called off floor by floor, minimising redundant kit.
A single Ferroli Tempra boiler de-rated from 24 kW to just 5 kW meets the total heating and hot-water requirements of a new eco-house near Stroud in Gloucestershire. It is claimed to be the most energy-efficient domestic building anywhere and looks just like a typical Cotswold stone house.
Hangar
Fuel consumption has been halved in an RAF hangar on the island of Anglesey following the installation of radiant heating to replace an HTHW system dating from the 1960s.
Kitchen
Comfort cooling for the staff in a busy kitchen at a holiday park near Weymouth is provided by air conditioning specially designed to cope with the demands of kitchens supplied by Mitsubishi Electric. Features of the unit include an external casing of stainless steel that is resistant to oil and smoke and easy to clean. Andrew Air Conditioning installed the unit, which was chosen because it includes a high-performance oil mist filter.
By supplying four bespoke packaged rooftop air-handling units to match the footprints of the plant they replaced, Weatherite contributed to the installation of new air-conditioning equipment at Havering magistrates’ court in London being achieved two weeks ahead of schedule. The work was part of a major refurbishment, including a complete reroofing, that had to be completed without disrupting court business.
Waterfront Studio
As part of individually controlled heating systems served by seven centralised plant rooms, Oventrop valves have been used for isolation, regulation and commissioning.
Boiler room
Faced with a 20% increase in fuel costs in a year, Anchor Trust has embarked on replacing and maintaining central-heating and hot-water systems across all its properties based on a partnering arrangement with ATAG Heating. Anchor’s fuel bill stood to rise by about £1 million across its 700 retirement properties and over a hundred care homes. 40 plants are scheduled to to be replaced each year.
Using a Micronics ultrasonic non-invasive portable flow meter in a process application has led to a 75 kW pump being replaced with an 11 kW unit. Annual energy consumption has been reduced from £5698 to £926 for a capital cost of £1500 — a payback of just four months.
Innomech
Faced with controlling one of the most innovative ecological buildings in the UK, GB Innomech decided that industrial-grade equipment would give a far better performance at much lower cost than a standard environmental control system.
George S. Hall recently joined forces with business school Ashridge to create a new team partnering initiative. Aimed at pushing back customer-service boundaries in the facilities-management market, the 3-day event was held with key clients at Amhuinnsuidhe Castle in the Western Isles.
Collage
Five companies have teamed up to form the Steam Alliance — a one-stop shop for the complete range of steam systems for the NHS hospital-building programme.
"Flower"
The Construction Manufacturers Partnering Association (COMPASS) is moving on with it pioneering programme to more efficiently integrate suppliers and sub-contractors into the construction process. ALAN KENNEDY reports on progress.
Paul Adlam
Recognising that ductwork is an important service in buildings, an industry association has been working to increase the expertise and reputation of this sector – as PAUL ADLAM and ALAN WEIR told us.
It is two years since Terry Wyatt as CIBSE president urged the building-services industry to ‘Adapt or die’ — or find itself out-of-date and unwanted. He was particularly concerned with the role of and future of consulting engineers, for which he saw much of their traditional workload disappearing.

Secure power

19 March, 2005
Socomec Sicon UPS has published a brochure on its static transfer system to automatically transfer the load from independent power sources to ensure the continuity of the load. Digitally controlled, it transfers the load instanteneously using break-before-make switching without disturbing the application
Court
Three of the main buildings in Manchester’s huge Spinningfields development have had their mechanical and electrical services commissioned by Commtech. Northern-region director Nigel Hersee says, ‘This development was a fast-track project, so keeping to the schedule was critical to the success of the undertaking. We were very proactive in our involvement and worked closely with other members of the construction team to complete the project on target.’
Southern Electric Contracting (SEC) has acquired BPS, the electrical-contracting business of what was previously Eastern Contracting, from Alfred McAlpine. As part of the deal, Scottish and Southern has acquired the Eastern Contracting name, which is no longer used by Alfred McAlpine.
Jasun Filtration has been award ISO 14001 environmental-management standards for its two factories at Bridgwater in Somerset. The company makes air filters, and director Graham Bentley explains, ‘In creating these products, we cause an impact on the environment. By setting up new standards through ISO 14001, we aim to reduce these environmental effects as well as reducing our own costs.’
College
Europe’s largest and further-education development dedicated to training and education in construction is now open in Birmingham. The South Birmingham College Centre for the Built Environment represents the biggest-ever investment in skill development for the region’s construction industry. The building covers 13 200 m2 on a brownfield site in Bordesley Green.



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