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With buildings managers and owners of commercial buildings increasingly concerned with the impact of energy on the bottom line, the delivery of carefully designed, installed, operated and maintained system controls is a key issue. (Photo: Dalkia) |
Taking the long view
Published: May 2006
The building services industry has never been very good at designing for operation and maintenance. Now the latest edition of the Building Regulations means it has no choice, says MALCOLM LINSLEY.
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Automatic monitoring of emergency lighting using a TridonicAtco system will reduce maintenance costs for the new St Mary’s NHS Treatment Centre in Portsmouth.
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Automatic monitoring of emergency lighting reduces maintenance costs for hospital
Published: May 2006
Sophisticated monitoring of emergency lighting using an integrated system from TridonicAtco will reduce maintenance costs at St Mary’s NHS Treatment Centre in Portsmouth. It also achieves full compliance with the new automatic-testing standard EN 62034. It is believed to be the only self-testing system for emergency lighting that provides full compliance with this standard and obviates the need for visual tests.
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Replacing R22
Published: May 2006
The Isceon 9 series of direct replacement refrigerants for R22 is available in the UK through IDS Refrigeration following its appointment as UK authorised distributor by DuPont. This refrigerant is 9% more energy efficient than R22.
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One of the larger refurbishment projects in London to exploit the benefits of Trox multi-service chilled beams is Riverside House. |
Multi-service chilled beams give new lease of life to office buildings
Published: May 2006
Nearly 200 000 m2 of multi-services chilled beams (MSCBs) have been supplied by Trox for office refurbishment projects since production started in 2000. Recently renovated buildings in London include the Empress State Building, Riverside House and the Ministry of Defence. These three projects alone include over 35 km of MSCBs.
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Among new equipment supplied by Hamworthy Heating for Stowmarket Leisure Centre is this Dorchester SR-RS 40 room-sealed water heater. |
Hamworthy shows its paces at Stowmarket Leisure Centre
Published: May 2006
New boilers and water-heating equipment supplied by Hamworthy Heating for Stowmarket Leisure Centre will provide heating and hot water for the complex, which is used by 520 000 people a year.
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Effective and energy-efficient heating for the racking area of the refurbished premises of H. C. Slingsby Plc is provided by 17 Reznor V3 gas-fred heaters and 19 Maximizor destratification fans. |
Reznor shows the way to energy-efficient space heating
Published: May 2006
Reznor gas-fire unit heaters installed as part of the refurbished of the warehouse, production and distribution centre of H. C. Slingsby Plc in Shipley deliver temperature-controlled warm air between the racking without impeding the manoeuvrability of fork-lift trucks and pickers.
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Lighting maintenance for efficiency and safety
Published: May 2006
LEE BENSLEY explores the issues surrounding the maintenance of lighting systems, including emergency lighting.
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Energy efficiency at the AA’s headquarters in Basingstoke has been improved following the replacement of air-handling plant on each of the 16 storeys. |
Energy-efficiency boost for AA headquarters
Published: May 2006
Air-handling units on each floor of the 16-storey AA headquarters in Basingstoke have been replaced by Specialist Site Services with new units from VES. The original AHUs on each floor provided heating and cooling, with fresh air bled from a central-station air handler in a roof-top plantroom. The building was constructed in the early 1970s.
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Nearly 30 Crown and County Court buildings in the East Midlands are covered by a mechanical and electrical maintenance contract awarded to Dalkia |
Dalkia acquits itself well in court
Published: May 2006
Dalkia has won a contract to provide mechanical and electrical maintenance to nearly 30 Crown and County Court buildings for Her Majesty’s Court Service in the East Midlands.
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New church heating leaves more in the collection tray
Published: May 2006
The cost of heating a Roman Catholic church in Manchester for a typical service has been reduced to less than £10 following the replacement of natural-convection heaters with 16 fully modulating, gas-powered fanned-flue heaters convection heaters from Rinnai. St John Bosco Church has a volume of about 5500 m3 and is now served by 16 heaters with an output of 10.2 kW each.
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A cost-effective and energy-efficient alternative to air conditioning for the picking and packing halls of Redcats (UK) is provided by 27 Breezair TBA evaporative coolers. |
Evaporative cooling delivers comfort in mail-order centre
Published: May 2006
A total of 27 evaporative coolers have been installed in the picking and packing halls of Redcats (UK) to reduce excessively high temperatures in the summer. They provide the 240 employees in the two halls of this mail-order division of French-based Pinault-Printemps-Redout with a more comfortable working environment.
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Conditions in this swimming pool in Staffordshire have been transformed following the replacement of the full-fresh-air ventilation system with a Calorex HRD air-handling unit. |
Calorex brings new lease of life to indoor swimming pool
Published: May 2006
Conditions in the swimming pool of South Moorlands Leisure Centre in Staffordshire have been transformed following the installation of a heat-recovery air-handling unit from Calorex Heat Pumps. Before the overhaul of the existing ventilation system, the pool hall suffered condensation and damp problems, resulting in rotting windows and doors as well as unpleasant conditions for swimmers and staff.
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York heat pump brings abbey close to nature
Published: May 2006
With recent refurbishment and additional buildings added to the public areas of Glenstal Abbey in County Limerick demanding an overhaul of the existing heating equipment, York has provided a heat pump as part of a geothermal system.
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Chillers using R22 can have their effective life extended as this refrigerant becomes increasingly unavailable for servicing by converting them to an alternative refrigerant. |
Refrigerant replacement extends chiller life
Published: May 2006
TREVOR DANN discusses the issues surrounding replacing R22 in chillers to enable them to continue to be used as this refrigerant becomes increasingly unavailable.
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Unobtrusive air conditioning for Grade 2 listed building
Published: May 2006
It took just a week to install air conditioning for six suites of luxury rooms in Dunkerley’s, a popular Grade 2 listed hotel and restaurant in Deal, using Toshiba’s R410A digital Inverter Split System. The equipment was installed by A1 Refrigeration & Air Conditioning to improve comfort in this hotel, which is sited on an exposed corner, so traffic noise precludes the opening of windows. It faces the Sun for much of the day and catches the wind in winter. Heat-pump air conditioning is providing an ideal solution and demonstrating the potential for providing air conditioning for older and historically significant buildings.
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A new enclosure and heating system from Nordair/Niche enables this swimming pool in Maidenhead to be used all year round. |
Swimming-pool refurbishment gives year-round use
Published: May 2006
A new heating system from Nordair/Niche now enables Claire’s Court School in Maidenhead to use its swimming pool all year round, maintaining its competitive edge against local rivals.
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Maintenance should focus on more than moving parts, or energy will be wasted though a lack of maintenance of the whole system. |
Maintaining energy efficiency
Published: May 2006
Maintenance should be a key element of any energy management strategy — but often is not. SIMON YEATES explains the benefits of taking a more holistic approach
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The 50 buildings on the site of Royal Preston Hospital are now under the control of a Cylon building-management system. |
Royal Preston Hospital refurbishes with Cylon
Published: May 2006
The progressive replacement of building-management systems at Royal Preston Hospital is making possible the effective implementation of the energy-management policy of a site with an energy bill of £3.4 million.
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Fig. 1: Simply maintaining physical assets to keep them in good condition is unlikely to be the most effective strategy. Assessing the risk and consequences of failure provides a better basis for formulating a maintenance strategy. |
Business-focused maintenance
Published: May 2006
Maintenance should be geared towards keeping a business or operation running, which is not the same as caring for assets and preventing failure. PADDY HASTINGS explains the issues.
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This DACHS mini-CHP unit installed as part of a boiler-house refurbishment acts as the lead boiler for heating and provides 3-phase electricity. |
Sheltered accommodation group moves towards CHP
Published: May 2006
Gas-fired CHP has been installed as art of the refurbishment of the boiler house serving sheltered accommodation in Bradford. Shuttleworth House is run by Bradford Community Housing Trust. It is around 30 years old and consists of 43 self-contained flats, a communal lounge, dining room and laundry room.
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The restoration of the Grade 2 listed Saltwell Towers at Gateshead includes a Daikin VRV heat-recovery system supplied by Space Airconditioning. |
Airconditioning for the people’s park in Gateshead
Published: May 2006
As part of the £10 million restoration of Saltwell Park for Gateshead Council, Hadrian Air Conditioning & Refrigeration has installed a Daikin VRV heat-recovery system supplied by Space Airconditioning.
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Building intelligence as the key to managing buildings
Published: May 2006
ALISON NICHOLL explores the interaction between factors driving the development of intelligent buildings and those driving the development of professional facilities management.
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Colour-themed meeting rooms illuminated with LEDs and the use of non-louvred lighting fittings, made possible by advances in the brightness of computer screens, redefine the boundaries of workplace lighting for BP in Canary Wharf. (Photo: Paul Pompii) |
Pushing the boundaries of lighting
Published: May 2006
Dramatic Lighting immediately attracts attention. Modern and imaginative techniques play a key role in creating stimulating environments in workplaces — as the latest Lighting Design Awards demonstrate.
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The capital cost of buildings is very much the tip of the iceberg. Operating and other subsequent costs are likely to be five times the capital cost of construction. |
Planning a building for lower costs
Published: May 2006
When a new building is planned, there is tremendous emphasis on minimising the cost of construction. But what about the lifetime costs of the building? These largely unconsidered costs offer much greater scope for savings, says KEVIN JONES.
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Stop talking, start delivering
Published: May 2006
Policy statements and initiatives from the Government on reducing Britain’s carbon emissions and boosting the country’s use of renewable energy abound. At the same time, we regularly hear that Britain’s carbon emissions are not falling fast enough and that the country is unlikely to meet its Kyoto commitments.
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CIBSE prepares for 100 days of carbon clean up campaign
Published: May 2006
An intensive campaign to reduce carbon emissions starts on 5 June — and the Chartered Institution of Building Services Engineers, supported by the Carbon Trust, is urging all types of organisations to get involved.
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Briggs & Forrester continues its rugby sponsorship
Published: May 2006
Northampton contractor Briggs & Forrester has sponsored the Northampton & District Rugby Alliance Cup Final for the sixteenth successive year. The match was played between two amateur teams at Franklins Gardens, home of premiership team Northampton Saints.
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FETA president welcomes F-gases legislation
Published: May 2006
The passing of legislation by the European Parliament to control the emissions of HFCs for air-conditioning and refrigeration applications has been welcomed by the president of the Federation of Environmental Trade Associations, Neil Afram. The legislation recognises the importance of containment and handling to control emissions of these F-gases from such equipment and was passed overwhelmingly by 476 votes, with 46 against and 25 abstentions.
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New initiative promotes benefits of underfloor heating and hardwood floors
Published: May 2006
The Underfloor Heating Manufacturers’ Association is to work with a producer of hardwood floors to promote better understanding of the synergy between the two products. The objective is to achieve designs that are right first time and a more realistic costing.
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New report could change public-sector procurement
Published: May 2006
Major changes in public-sector procurement could be prompted by a report from the National Audit Office ‘Improving public services through better construction’, according to the Specialist Engineering Contractors’ (SEC) Group.
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Wood to fuel more homes in South Yorkshire
Published: May 2006
Providing heating systems burning wood fuel in homes in Gleadless and Burngreave in Yorkshire is one of the objectives of £200 000 of funding from Yorkshire Forward for the South Yorkshire Woodfuel Project by South Yorkshire Forest Partnership.
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Former accident statistic when he broke his ankle on site, Colin Johnstone is now health-and safety officer with WWW Electrical. |
Accident on site leads to new career in health and safety
Published: May 2006
Having broken his ankle working on site last year, Colin Johnstone knows first hand the importance of health and safety in electrical contracting — which is why he has been appointed health-and-safety officer for WWW Electrical of Glasgow.
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New construction orders show strong growth in private sector
Published: May 2006
Orders for commercial and industrial work in the private sector continue to surge ahead, according to the latest figures published by National Statistics.
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SES reaches new heights in Leeds
Published: May 2006
Contributing to the ever-changing skyline of Leeds city centre is the 32-storey Bridgewater Place, for which M&E contractor is SES. This is the view from the fifth floor, and the building makes extensive use of prefabricated services.
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Ductshop arrives in Leeds
Published: May 2006
Senior Hargreaves has added another branch to its Ductshop chain. It is at Copley Hill Trading Estate in Leeds and provides a complete range of commercial and industrial ventilation products.
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Record earnings and profits for Grundfos Pumps
Published: May 2006
The sales of Grundfos Pumps grew by 10.4% to £1253 million last year. The company’s sixtieth year also saw its largest-ever pre-tax profit of £116 million, despite relatively high prices of materials and a weak US dollar. 2005 became the third consecutive year of record earnings.
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Purchasing power acknowledged — Ken James (left), CEO of the Chartered Institute of Purchasing & Supply, presents a Certificate of Excellence to Luis Correia, CEO of Dalkia Plc. |
Dalkia’s purchasing power acknowledged
Published: May 2006
Dalkia has been recognised for the added value and confidence it brings to customers through the purchasing influences influence it can leverage to deliver office and industrial equipment at lower costs to the end user. The Certificate of Excellence was awarded by the Chartered Institute of Purchasing & Supply to this provider of technical facilities services and energy management.
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BESCA sets up self-certification scheme for HVACR work
Published: May 2006
Businesses working in commercial and domestic heating, ventilating, air-conditioning and refrigeration can now certify their work online through BESCA, Building Engineering Services Accreditation Ltd.
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CIBSE Patrons reaches 100 members
Published: May 2006
The membership of CIBSE Patrons has reached 100 with the joining of contractor NG Bailey & Co. At the same time, CIBSE has launched a £10 000 fund to support up to 10 educational projects over the next 12 months.
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Consultant appointed for Royal Albert Hall
Published: May 2006
King Shaw Associates has been appointed building-services consultant by the Royal Albert Hall to implement recommendations made in a feasibility study in 2005.
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M&E consultancy services for The Cube in Birmingham are being provided by Hoare Lea |
M&E consultant appointed for the Cube in Birmingham
Published: May 2006
Hoare Lea has been appointed M&E consulting engineer for The Cube, the final phase of The Mailbox mixed-use development in Birmingham. The appointment was made by Birmingham Development Company, and the practice will also provide advice on acoustics, BREEAM, lift engineering, specialist lighting and sustainability.
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LG makes major appointment for VRF air conditioning
Published: May 2006
LG has appointed Osprey Air to its growing list of specialist distributors for VRF air conditioning. The company is headed by industry veteran Bob Beattie and will be an LG-brand sole distributor focusing on the Multi V range of VRF and multi-split products.
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13 Biral pumps, including several from the low-speed range, have been installed as part of the overhauling of the plant room of Bury St Edmunds Sports & Leisure Centre, which was damaged by fire in 2004. The pumps supply constant-temperature heating to all the wet systems in the building, including the pool calorifiers, and primary hot water to the Hamworthy Powerstock hot-water heaters.
The low-speed Biral range is particularly suited to this application as the flat curves provide exceptional control without developing excess pressure in the system. Noise problems associated with large-volume circuits controlled by TRVs are eliminated. |
Exploiting the potential of modern pumps
Published: May 2006
PETER NEARS is concerned that the performance and energy-saving benefits of modern pumps are not fully exploited — especially with energy prices rising rapidly.
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Natural light and ventilation for Fromeside Hospital in Bristol are provided by Monodraught SunPipe and Windcatcher units. |
New PFI hospitals cut energy use with natural ventilation and lighting
Published: May 2006
The environmental benefits of natural ventilation and natural daylight are being exploited at two new major PFI hospitals in Bristol by installing Monodraught Windcatcher and SunPipe systems. They are Callington Road Hospital, which was conceptually designed by BDP, and Fromeside Hospital by Devereux. Hurley Palmer Flatt was the M&E consulting engineer.
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Heating and ventilation for the Tsavo exhibit at Chester Zoo is provided by a Powrmatic oil-fired ducted unit heater. |
Powrmatic heaters are animal magic
Published: May 2006
The latest application of Powrmatic heating equipment at Chester Zoo is the Tsavo exhibit, home to the zoo’s rhinos.
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Bisque is hot stuff in Cambridge
Published: May 2006
Among a number of prestigious projects in the Cambridge area using radiators from Bisque Commercial is a contract to supply 142 radiators to St Edmunds College.
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Butterfield Business Village progresses towards environmentally responsible services
Published: May 2006
The first earth ducts to provide ventilation that will reduce energy consumption by up to 75% are laid at the Butterfield business and technology park in Luton. The system is designed to regulate internal air temperatures and deliver excellent air quality.
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As recommended by Sports England, Nor Ray Vac continuous radiant tube heating serves the sports hall and gym at the K2 community sports and leisure complex in Crawley.
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Radiant heating shows its strengths in leisure complex
Published: May 2006
Continuous radiant tube heating has been supplied by Ambi-Rad for the new K2 community sports and leisure complex in Crawley.
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Restricted ceiling space in a control of TV shopping channel QVC led to the use of the Kingspan KoolDuct system. |
KoolDuct is best buy for QVC studios
Published: May 2006
TV shopping channel QVC has refurbished part of its studios at Marco Polo House in London using the Kingspan KoolDuct system as the best option for the project. The work involves an extensive upgrade of a ground-floor control room, which was enlarged to accommodate to latest transmission technology.
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Comfort in the new offices of Britannia Coaches matches the comfort in its luxury coaches thanks to heating and cooling provided by Toshiba air-conditioning systems. |
Split-system air conditioning provides heating and cooling for coach company
Published: May 2006
Both cooling and heating are provided for an extension to the headquarters of Britannia Coaches in Dover by a Toshiba digital inverter split air-conditioning system. Installed by A1 Refrigeration & Air Conditioning, the system uses R410A and operates in heat-pump mode to provide heating.
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Although initially installed as a temporary measure at a young offenders’ institution, four prefabricated plant rooms supplied by Fulton Boiler Works are now permanent fixtures. |
Fulton’s term at young offenders’ institution is extended
Published: May 2006
Four prefabricated plant rooms have been supplied by Fulton Boiler Works to provide heating and hot water for the young-offenders institution at Wetherby.
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Palestra Building air-conditioned by Ability fan-coil units
Published: May 2006
Air conditioning for this unusual-looking building on Broad Street opposite Southwark underground station in London includes 750 fan-coil units made by Ability Projects. These 4-pipe Titan horizontal chassis-type FCUs are supplied with chilled water and LPHW from chiller and boiler plant in the roof-top plant room.
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Air-conditioning for residential accommodation in the 29-storey Ontario in Docklands will be provided by fan-coil units made by Ability Projects. |
Residential air conditioning reaches new heights
Published: May 2006
Some 400 specially designed 2-pipe fan coil units are being supplied by Ability Projects to provide air conditioning for the 29-storey Ontario Tower in London’s Docklands. Developed by the Ballymore Company, the first phase of this project will comprise 260 luxury studios, suites and apartments, as well as a number of penthouses.
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Contributing to the energy-efficient operation of services in the National Assembly of Wales, recently opened by the Queen, are 24 Grundfos TPE electronically speed-controlled pumps. |
Grundfos pumps contribute to energy efficiency for the National Assembly of Wales
Published: May 2006
Contributing to the energy-efficient operation of the National Assembly for Wales is a wide range of variable-speed pumps, pressurisation units and booster sets supplied by Grundfos. It is expected that the wide range of energy-efficiency features in this 5000 m2 building will nearly halve consumption compared with current best practice for office buildings – 75 kWh/m2 per year compared with 130 kWh/m2 per year.
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Natural ventilation using 13 Passivent high-capacity terminals is a key part of the environmental strategy for lettable office space for business start-ups in Airdrie town centre. |
Natural ventilation is key part of environmental strategy
Published: May 2006
The environmental-friendly design of a former gas-holding area in Airdrie town centre into 2500 m2 of lettable office space for business start-ups includes a sedum grass roof and passive stack ventilation.
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Thousands of diffusers have been supplied by Gilberts of Blackpool for this 18-storey building in the City of London. |
Gilberts supplies major City diffusers contract
Published: May 2006
Thousands of diffusers have been supplied for an office development in the City of London by Gilberts of Blackpool in a contract worth £100 000. The 18-storey Aldermanbury Square development will be one of the focal points of a newly re-energised City quarter in the Wood Street/London Wall precinct when it is opened later this year.
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Providing the environmental control needed to enable a department store to expand into a warehousing area is a Toshiba VRF air-conditioning system. |
VRF air conditioning helps convert warehouse to department store
Published: May 2006
The installation of a VRF air-conditioning system to provide both heating and cooling has made it possible for a traditional department store in Cranleigh, Surrey, to expand into a warehousing area. This single-skin building experiences extreme swings of temperature, aggravated by the installation of an intermediate floor.
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The ground acts as a source of heat and heat rejection for this installation at Earth Energy in Dagenham. |
Heating and cooling for Earth Energy are linked to the ground
Published: May 2006
Both units are connected to vertical ground-loop heat exchangers and serve 4-pipe fan-coil units with water-side control installed in the ceiling voids
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HVCA Publications has published a guide on the use of plastic pipework. |
Plastic pipework
Published: May 2006
A guide to good practice on the use of plastic pipework in building-services installations for commercial and domestic premises has been published by HVCA Publications. It includes a reference and checklist for selecting suitable materials, with clear information on their engineering properties, typical applications and installation considerations. This guide, TR11, details the advantages of plastic pipework, including simple jointing, resistance to corrosion and chemical, low friction losses, thermal insulation, light weight and flexibility.
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Technical guidance on electric underfloor heating is provided in this handbook from Tyco Thermal Controls. |
Electric underfloor heating
Published: May 2006
Tyco Thermal Controls has published a 32-page handbook on its complete range of Raychem electric underfloor heating systems and ‘smart services’ for new-build and refurbishment projects. It provides product overview, technical specification and selection guide. Of particular interest to contractors and installers will be a section showing how to plug into Raychem ‘smart services’ when planning an underfloor heating system. These include a user-friendly web site, free design service, installation tips and techniques, power-consumption calculator, access to a bill of materials and recommendations on compatible ancillary building materials.
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Among information available from Pipe2000 is a book of reference projects and a CD. |
Polymer underfloor heating
Published: May 2006
Pipe2000, which designs, supplies and installs polymer underfloor heating systems, has updated its web site. Professional users can access comprehensive information on underfloor heating, combined heating and cooling systems and pre-insulated pipes for heating or cooling mains. The company specialises in new-build educational, community and health/residential projects.
The on-line information is in PDF format. A book of reference projects is also available, or a CD can be posted on requested.
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A compressive acoustic reference tool is available from IAC on a free CD. |
Acoustic reference tool
Published: May 2006
IAC, which specialises in noise control, is offering a comprehensive acoustic reference tool on a free CD. Among the company’s product ranges are Quiet-Duct silencers and Noishield acoustic louvres to provide sound attenuation for air-conditioning systems and plant rooms.
The company also supplies acoustic solutions for architectural and construction applications.
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External wall insulation
Published: May 2006
The updated web site of the Insulated Render & Cladding Association includes 22 award-winning case studies covering prestigious new-build apartments, revitalised or remodelled social housing, medical, educational and public buildings. The site covers the benefits and applications of external wall insulation and the make-up of the systems, including the different insulants and finishes.
There are also pages describing the INCA insurance scheme and register of systems and applicators.
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Lindab is complementing its expertise in ductwork with the launch of a wide range of fans. |
Lindab enters fans business
Published: May 2006
Ductwork manufacturer Lindab has launched a comprehensive range of ventilation fans. The collection covers all fan requirements for ducted ventilation systems and products for all aspects of non-ducted extraction and air movement.
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Improved filters prevent growth of bacteria and mould
Published: May 2006
Jasun Filtration is now producing its G4- and F5-grade pleated filters with Kimberly-Clark’s upgraded Intrepid filtration medium, which does not support the growth of bacteria or mould.
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Bitzer introduces weekend helpline
Published: May 2006
To provide a weekend service for refrigeration contractors and plant managers, Bitzer has introduced an emergency help line. It is available from 1700 h on Fridays to 0830 h on Mondays and provides spare parts or technical for Bitzer compressors. The service includes bank holidays. The number is 0845 230 3007.
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Grooved connections for large pipes
Published: May 2006
Victaulic has introduced a range of large-diameter rigid and flexible couplings, fittings, valves and accessories for pipework.
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Short and compact, with low pressure drop — Lindab’s reducers for circular ductwork |
Ductwork reducers have short length and low pressure drop
Published: May 2006
LindabSafe reducers for circular ductwork are claimed to allow step-downs to be achieved in shorter distances than other compact reducers and, at the same time, create less pressure drop. It is also said that for step-downs of one or two diameters, they can perform better than some long reducers.
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Condensing boilers with cast-aluminium heat exchangers — the Imax Xtra range from Ideal boilers. |
Ideal Boilers expands its Imax range
Published: May 2006
Ideal Boilers has extended its Imax range of high-efficiency boilers with the Xtra series of condensing boilers. Six models offer outputs from 80 to 280 kW with an efficiency of up to 107.5% net at 30% load. More models later this year will increase outputs to 560 kW.
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Said to be capable of 90% heat transfer between airstreams — the JS Aventis heat-recovery ventilation system. |
Heat-recovery ventilation system is 90% efficient
Published: May 2006
The Aventis ventilation heat-recovery system for spaces up to 400 m3 transfers energy from extract air to incoming air with an efficiency of 90%, which is said to reduce the heating requirements of such a space by up to 23 500 kWh a year compared with using an air-handling unit without heat recovery.
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LG’s Universal Synchro outdoor unit for air-conditioning systems is available for two, three or four branch pipes |
New LG air-conditioning unit simplifies system control
Published: May 2006
LG’s Universal Synchro outdoor unit for multi-split air-conditioning systems produces very little noise through the use of MPS technology. It uses R410A.
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Ease of installation and flexibility are combined in a new manifold for underfloor heating from Robbens Systems |
Underfloor heating manifold combines form and function
Published: May 2006
Robbens Systems has developed a manifold for underfloor heating systems that combines smart appearance with features to ensure a more efficient system.
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Visual and audible alarms are both provided by Apollo’s sounder beacon base. |
Single alarm unit combines sounder and beacon
Published: May 2006
Apollo’s new sounder beacon base combines an integrated base sounder, loop-powered beacon and isolator in once unit.
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Airflows from 1300 to 12 000 m3/h, Axair Fans' new range of Inch Blowers are designed for low-pressure applications. |
Fans for air-handling units and low pressures
Published: May 2006
Direct-driven forward-curved double-inlet centrifugal fans from Axair Fans are designed for air-handling units and other low-pressure applications.
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A web-server interface for the Hirovisor control and energy-metering system for the Hiross Flexible Space System of underfloor air conditioning enables tenants in a multi-occupancy building to be accurately billed and gives individual occupants control of their local environment. |
Energy-metering capability is added to the Hiross underfloor air-conditioning system
Published: May 2006
AET has added energy-metering capability to the Liebert Hiross control system available as part of Hiross underfloor air conditioning provided in the Flexible Space concept. The system can thus provide an accurate, easily reconfigurable and cost-effective alternative to using building-management systems for this purpose in multi-tenanted commercial buildings.
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Airflows up to 7.7 m3/s for commercial applications – Vent-Axia’s FP and XP ranges of air-handling units. |
Vent-Axia launches new air-handling units
Published: May 2006
Vent-Axia has launched two ranges of air-handling units for commercial applications. Viking FP and XP units are designed for ease of installation, long life and low noise emissions. There is a wide range of modules for cooling, heating, filtration, heat recovery and humidification. XP units can be mounted on the roof or in a plant room. FP units have a slim design so that they can be installed above suspended ceilings.
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QAX-series room units from Siemens Building Technologies provide an elegant interface to controllers and automation stations.
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Room control units combine elegance with function
Published: May 2006
The QAX series of room units from Siemens Building Technologies are flush mounting and designed for use with a wide range of Siemens controllers and automation stations. These units measure and display room temperature and also provide pushbutton control for convenient and accurate adjustment of the room temperature setpoint. Depending on the type of heating system, functionality such as manual control of fan speed in fan-coil systems can be provided.
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Each fan in Matrix fan-coil units from Ability Projects can have its speed individually controlled, eliminating the need for volume-control dampers in each ductwork branch. |
Multi-spigot fan-coil units feature fans with individual speed control to eliminate volume-control dampers
Published: May 2006
Matrix fan-coil units from Ability Projects have electronically commutated motors and are available as 2- and 4-pipe horizontal-chassis units offering up to 8 kW of cooling and 5 kW of heating.
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Heating systems of to 1000 kW can be served by Biral’s twin-head P range for a power consumption of less than 50 W. |
Twin-head pumps have very low power consumption
Published: May 2006
The Biral range of Mini energy P twin-head pumps consume less than 50 W of electricity to serve a 1000 kW heating system. They can provide duty and standby in one unit and require just two isolating valves, reducing installation cost.
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Available with outputs from 35 to 65 kW, Vaillant’s EcoMax range of boilers marks the company’s entry into the commercial market. |
Vaillant expands into commercial boilers
Published: May 2006
Vaillant is entering the commercial-boiler market in the UK with the launch of a range of wall-hung high-efficiency condensing boilers. There are three models in the EcoMax range with outputs of 35, 46 and 65 kW. They weigh 41, 45 and 72 kg, respectively.
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Fifos electric boilers for wet central-heating systems are now being made in the UK by Marstair. |
Electric central-heating boilers for UK market
Published: May 2006
Marstair is now making the Fifos range of electric boilers for the UK market. These boilers use a patented electric injector system to heat water for wet-central-heating systems. They are suitable for underfloor or radiator systems.
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With a refrigerant charge of less than 3 kg, the Colt Caloris WRF air-conditioning system is promoted as an alternative to VRF without the issues associated with large quantities of refrigerant. |
Colt offers ‘multi-split’ air conditioning with low refrigerant use
Published: May 2006
Colt International is promoting its WRF air-conditioning system as a viable alternative to VRF. It is described as combining the advantages of VRF with a safe and flexible water-based system.
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The range and sensitivity of digital sensors for relative humidity from Sontay can both be set. |
Digital humidity sensors have adjustable range and sensitivity
Published: May 2006
New sensors from Sontay feature the latest digital technology to offer precision measurement for relative humidity in commercial and public buildings.
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test line returns
Published: May 2006
Venture Lighting Europe was commended for its Ventronic control gear for high-pressure sodium or metal-halide light sources. This electronic control gear enables high-wattage
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