graphs
Fig. 1: Some expected climate changes for the UK. (From UKCIP02 Technical report)

The impact of climate change on modern building services

Jacqui Harman summarises the most important effects of climate change for building services.

Exploiting thermal mass in existing buildings

Exposing the thermal mass of an existing building to night-time cooling has reduced internal temperatures by 5 K compared with ambient temperatures — with important implications for responding to climate change. Nick Barnard and Ant Wilson explain.

Drawing on the experience of warmer climates for UK buildings

Learning from the experience of warmer countries as a response to changing conditions in the UK needs to be tempered with caution, as Dr Adrian Pitts told a recent CIBSE conference.

DVLA takes action to reduce its own carbon emissions

Maximum use of primary energy and reduced carbon emissions are being achieved at DVLA in Swansea by a tri-generation energy system.

Solar glare under control

A solar-controlled Sun-protection system at the Manchester offices of the Royal Bank of Scotland automatically control 320 venetian blinds that have been fitted to this glass-fronted structure.

Integrating the new with the old

Imperial College’s new landmark building for the Tanaka Business School, designed by a team including architect Foster and Partners and consulting engineers Buro Happold, is a striking example of how a new building can successfully integrate with existing structures and services to achieve a balance between user comfort and architectural aspirations.

Pipes
The reality of prefabricated pipework is to streamline work on site and carry out much work under quality-controlled factory conditions.

Encouraging the wider use of modularisation

The successful exploitation of modularisation requires the efforts of more than just a few imaginative contractors. Manufacturers have an important role to play, too.

chart
Fig. 1:While innovative products generally have a higher capital costs than traditional approaches, reduced labour costs can bring significant benefits. This example illustrates the installed costs of pipework using a channel system. Material costs are 8.4% higher, but labour costs are 46% lower. The overall effect is a 7% reduction in installed cost.

Where markets and technology meet

Progressive companies base their success on a sustained programme of new-product development. Anne King examines the issues in the building-services sector.

A better way of controlling stored water...an open-and-shut case for advanced float valves

Even products for very simple tasks can have far-ranging implications.Lawrence Burns considers float valves for controlling the water level in storage tanks and the benefits to health and safety and energy consumption.

Trox pic
Steering a new course — Colt (represented by Simon O’Hea, left) and Trox (represented by David Leatherbarrow) have combined their respective expertise in fan-coil units and grilles and diffusers to offer the industry a guaranteed-performance package covering noise, thermal performance and air distribution.

Fresh thinking on fan-coil units and diffusers

The traditionally separately supplied products of fan-coil units and diffusers are now offered as a single package with guaranteed performance.

AHU
The Airovision range of air-handling units is the outcome of a 3-year development programme by Carrier Holland Heating to address cost issues and deliver a higher-specification product.

Redefining the production of air-handling units

Keeping up in a competitive market place demands periodic reviews of product ranges. We found out how Carrier Holland Heating enhanced its AHU offering and addressed costs.

Commissioning module
Ensuring that the flow to individual fan-coil units in a group (three in this case) is maintained as others close and open is a recently developed concept in commissioning modules from SAV. They can be installed in ceilings and floor voids.

The self-contained solution for commissioning fan-coil units in variable-flow water systems

Effective commissioning of chilled-water systems is vital to their efficient operation — even more so when variable-speed pumps are used. SAV has responded to the challenge with commissioning sets that make possible the balancing of several fan-coil units from one point.

Split air-conditioning systems move towards greater efficiency

Most people must be noticing that R410A split-system air conditioning is more efficient than previous systems. But the change is not just due to the refrigerant.

Fans
Designed for long life in arduous conditions — the Workhorse fan range from VES Andover.

VES fans designed to go on and on

VES Andover has developed a range of fans designed for reliability and to work continuously in arduous environments. They have a life expectancy for bearings in excess of 200 000 h with continuous running temperatures up to 150°C.

Nozzles
Any throw you like — the nozzles in Colman’s N Series of diffusers can be individually adjusted.

Innovation drives product success

The design features of Colman’s N Series of nozzle diffusers are said to be a major factor in the product’s success.

AgCu water treatment
Water disinfection for long periods of time can be achieved using copper/silver units from KK Water Purification.

Advanced water disinfection

The controlled use of copper and silver ions to disinfect water is said by KK Water Purification to avoid the biodegrading problems associated with some biocides, to that they become food for micro-organisms. Disinfection is ensured for long periods of time. Ultra-violet disinfection has similar benefits.

Duct reducer
Innovation from Lindab — the reducer that also reduces pressure loss.

Reducing ductwork losses

A duct reducer that also reduces pressure drop has been developed by Lindab. The reducer has a bell-shaped design and is available in diameters from 100 to 250 mm.

F700
Another giant leap for inverter drives — Mitsubishi Electric’s F700 achieves instant optimisation.

New-generation drives save even more energy

A new series of variable-speed drives from Mitsubishi Electric is said to set new benchmarks for energy saving through the development of improved power circuits, coupled with the the advanced processing power of the latest electronics to provide enhanced power-control strategies. They are intended particularly for pumps and fans.

Plantation place
Innovation in commissioning — Yorkshire Fittings’ Venturi commissioning valves have been used in sizes up to 250 mm in this project in the City of london.

Innovation in commissioning valves

Faster and more accurate commissioning for a major project in the City of London has been achieved using Venturi commissioning valves from Yorkshire Fittings. David Hearne, commercial manager for valves, says, ‘The Yorkshire Venturi is the first innovative static commissioning product to enter the market in many years.’

Designing services without historical data

For some years now, building-services engineers have found themselves in the forefront of being urged to ‘do something’ to reduce the build-up of greenhouse gases in the Earth’s atmosphere to reduce the effects of climate change — particularly global warming. After all, buildings are responsible for about half the UK’s emissions of that principal greenhouse gas, carbon dioxide.

Valuing independent contractor registration

It is good news indeed that in the 18 months since membership of the Heating & Ventilating Contractors’ Association has required independent assessment of technical and commercial capability that independent research is showing that most local authorities regard it as important that a contractor for M&E projects is a member of HVCA (page 8).

Productivity of M&E contractors continues to rise

The productivity of M&E contractors has risen for the fourth year running to nearly 10% up on 2003. The latest mean score for value-added productivity is £54 100.

Electrical services explained

To bring engineers whose professional training has not included electrical services up to speed, Mid Career College is organising a series of 3-day courses at eight venues across the country from November to May next year.

SFG20
New sections and features — the update of the popular SMG2000 maintenance specification for mechanical services in buildings.

HVCA maintains its maintenance specification

Best-practice standards on ductwork cleaning feature in an upgrade to the SMG2000 standard maintenance specification for mechanical services in buildings from HVCA Publications. SFG20 is published as a CD-ROM and now includes the facility for users to extract articles and transfer them into Word documents, facilitating easy inclusion in plant-operation manuals.

Terry Wyatt becomes a special professor at Nottingham University

Terry Wyatt of Hoare Lea Consulting Engineers and immediate past president of CIBSE has been appointed special professor of building-services engineering in the School of the Built Environment at the University of Nottingham.

Wembley

Carrier scores early at Wembley!

Carrier UK has won the order to supply air-conditioning equipment for the new Wembley Stadium. Two water-cooled centrifugal chillers, each with a capacity of 3100 kW, and one with a capacity of 1300 kW will provide chilled water for cooling administration areas, changing rooms, studios, hospitality facilities, restaurants etc. All the machines will be commissioned by Carrier Service. Design consultant for the mechanical services is Mott McDonald, with MJN Colston of Croydon as mechanical-services contractor.

T5

T5 chooses ammonia chillers from York

Ammonia chillers with a capacity of 6.6 MW are to be supplied for the Terminal 5 development at Heathrow airport by York International. The four chillers will be delivered to site in December and form the first phase of the installation. They were chosen because ammonia has no global-warming effect and also will not contribute to ozone depletion.

Construction orders show general rise in all sectors

Private commercial orders in the construction industry in the year to June were 10% higher than the previous year. Orders in the second quarter of 2004 were 29% higher than in the same period a year earlier. In contrast, orders in the second quarter of 2004 fell by 9% compared to the previous quarter.

Clothworkers Hall

Services have sound logic

Services designed by the M&E division of consultants White Young Green will play a key role in maintaining sound quality of a full-size state-of-the-art concert organ in the refurbished Clothworkers Centenary Concert Hall at Leeds University.

Airedale
30 years on — Alan Duttine, OBE, (left) and Peter Midgley, who founded Airedale International Air Conditioning, with a painting of the factory at Rawdon near Leeds.

Airedale – 30 years on

Nearly 400 staff joined the founders of Airedale International Air Conditioning at the Leeds factory in the middle of June to celebrate 30 years of what has grown to become the UK’s largest independent manufacturer of air-conditioning systems.

Emap plans H&V show to run alongside Refrigeration & Air Conditioning Show in 2005

A new national show running alongside the RAC Show at the NEC has been launched by Emap Communications. Called H&V05, it will target the heating and ventilating sectors of the industry. The first event will be from 1 to 3 March 2005. There will be freedom of movement between the two shows.

Robert Higgs
The commercial value of independent assessment — Robert Higgs, director of HVCA.

Local authorities declare support for HVCA membership

Nearly half of local authorities think it is essential that the contractors they commission to undertake building, construction or maintenance work are members of their relevant trade association. According to research commissioned by the HVCA and carried out by independent market-research organisation BMG Research, only 6% say they do not feel it is important, with 70% believing such membership to be either very important or essential.

Winners

Showing the way to Carbon 60

Members of the team from Fulcrum Consulting that won the Carbon 60 competition run by CIBSE revisit the institution’s headquarters in South London. From the left are Susie Woollett, Chani Leahong and Kate Crawford.

Extensive use of copper pipework, with some 250 000 Yorkshire integral solder-ring fittings, has simplified the co-ordination of up to 160 M&E installers.

Sage project sees the wisdom of copper pipework

Copper pipework with integral solder-ring fittings (ISR) has been used extensively throughout the new £60 million office building of software company Sage Group at Gosforth, Newcastle, despite an original intention to use steel fittings in some areas of the building

Church heating
Energy-efficient and effective heating of this church in Hayes is provided by a new installation of Rinnai gas heaters.

Let there be heat

When the old gas heaters serving a church in Hayes, Middlesex, broke down, Rinnai responded to an urgent request for 13 wall-mounted gas heaters.

Greenings becomes a favourite with Debenhams

Cable management for the new 17 000 m2 new-concept, 3-level Debenhams department store that is part of the 34 000 m2 expansion of the MetroCentre at Newcastle is being achieved using a range of Greenings cable trays. This is the biggest Debenhams store outside of London.

Imperial Wharf
The self-testing capabilities of P4’s Fastelink emergency-lighting system will reduce whole-life costs at the Imperial Wharf development in Fulham compared with a manual switch operated system.

Self-testing emergency lighting reduces whole-life costs

reduces whole-life costs

Cranfield tests confirm effectiveness of zinc water treatment on limescale buildup

An 80% reduction of limescale on heating surfaces has been achieved following the testing of an installation of WaterMatic’s KalGuard+ electrolytic scale inhibitors at Cranfield.

Digital Centre
Daikin’s VRV technology has been installed to provide air conditioning for the Digital World Centre at Salford Quays in Manchester.

Of matchstick men and air conditioning

The lower cost and ease of installation of Daikin’s VRV air-conditioning systems compared with chiller and 4-pipe fan-coil system promoted its installation in the Digital World Centre at Salford Quays in Manchester. Key Engineering handled the project on a design-and-build basis for Lowry Developments. Total cooling load for the project is 820 kW.

Fujitsu
From design to running in just four weeks, the outdoor units serving a Fujitsu VRF air-conditioning at a health centre in Huddersfield.

Work goes on while Fujitsu VRF system is installed

Not only was only four weeks available for the design, installation and commissioning of an air-conditioning system for a community health centre in Huddersfield, but it also had to remain operational throughout.

Mitchell Gallery
Customised Mita electrical equipment provides aesthetic solutions for the refurbishment of Glasgow’s Mitchell Library.

Floor boxes go Baroque

To harmonise with the oak parquet in the main hall of the Mitchell Library in Glasgow, MITA has supplied customised floor boxes with brass edges.

Standby generator
Standby power generators with outputs from 5 to 250 kVA are available ex-stock from Finning Power Systems.

Standby generators ex stock

Finning Power Systems offers ex stock a range of standby generators with outputs from 5.5 to 250 kVA and aimed at building-services engineers and electrical contractors. Generators with outputs up to 500 kVA are available to order. They are particularly aimed at retail applications, and a new company (EP Retail) has been set up to supply them.

fans
Available nationwide from CCL Veloduct — Vent-Axia’s Turboprop axial-flow fans.

Axial-flow fans offer high performance

Vent-Axia’s range of Turboprop axial-flow fans for kitchen systems and longer duct runs is now available from all branches of CCL Veloduct.

Addvent fan
Automatic shutters are a feature of a new range of low-voltage fans from Addvent.

Fan minimises backdraught

An automatic-shutter version of its standard low-voltage 100 mm axial fan is now offered by Addvent. The AVX100 ALVN is described as a premium fan that minimises backdraught due to the superior seal achieved by its automatic shutters — improving the efficiency of the fan and comfort.

chiller
Airedale’s UWC range of water-cooled chillers is designed to meet requirements for greater energy efficiency.

Water cooled chillers designed to new energy-efficiency standards

In response to changes in Building Regulations and energy-efficiency standards, Airedale has developed a range of packaged water-cooled chillers with EERs of 3.5 and more under nominal conditions. The UWC range is designed to meet the requirements of the Energy Technology List.

chiller
Noise levels from Carrier Aquasnap chillers can be reduced to 50 dB(A) at 10 m.

Chiller range is even quieter

Chiller range is even quieter

Smoking booth
This smoking booth developed by Carrier Holland Heating requires only plugging into a mains socket for its installation.

The plug-in indoor smoking area

A smoking booth that can accommodate three people and requires only connection to a mains socket has been developed by Carrier Holland Heating.

Oasis
Oasis door heaters from Diffusion are available in lengths of 1 and 1.5 m.

Warm-air door heaters

Oasis overdoor warm-air heaters from Diffusion are available in lengths of 1 and 1.5 m for LPHW or electricity.

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