Whole-life costing guides investment in energy efficiency

KATHRYN BOURKE and MIKE CLIFT discuss whole-life costing against the background of pressure from the Government for public-sector procurement to be based on this philosphy.

Why it pays to get the whole-cost picture at the start of a project

Multi service chilled beams can accelerate installation times, save energy and reduce maintenance, thereby dramatically cutting the whole life cost of an air conditioning system. GUY HUTCHINS explains.

The appropriate use of whole-life costing — John Langmaid.

The practical aspects of whole-life costing

JOHN LANGMAID puts the concept of whole-life costing into context against other evaluation processes that need to be undertaken during the design phase of a project.

There are both financial and human-resources benefits in good energy management. Improvements in energy manager could, conservatively, reduce energy spend by 15 to 20% and energy-efficient buildings improve the comfort of occupants.

Whole-life costing needs good energy management

Good energy-management practice not only reduces energy spend but also delivers buildings that are more productive to work in. IAN BUDD explains.

Replacing five shell-and-tube calorifiers with engineered systems from Spirax Sarco is saving £3000 a year in energy costs at Stafford General Hospital.

Engineered systems reduce energy costs

Energy savings of more than £3000 a year are being achieved following the replacement of five shell-and-tube calorifiers at Stafford General Hospital with Spirax EasiHeat engineered systems. The work has improved the supply of hot water to the main kitchen, and further savings are expected as more calorifiers are replaced in the future.

The Weather Shop
By providing both heating and cooling for The Weather Shop in Eastbourne using heat-pump technology and inverter drives, this air-conditioning system designed and installed by Aspen Air Conditioning uses 30% less energy compared with traditional equipment.

The forecast is good with Aspen Air Conditioning

Air conditioning to provide both heating and cooling for the new premises of the Weather Shop In Eastbourne is being provided with 30% lower power consumption than traditional system using heat-pump systems with inverter drives. They also use use the ozone-friendly refrigerant R410A.

Tom Delay, chief executive of The Carbon Trust (left), discusses microCHP with Mark Edwards, chief executive of Baxi Group.

Baxi Group demonstrates prototype micro CHP

Baxi Group has outlined its commitment to launching a product based on micro CHP (combined heat and power) within the next three years.

Andy Green
Beyond whole-life cost — Andy Green of Faithful & Gould.

From whole-life costs to whole-life value

A new guide to Achieving whole life value in infrastructure and buildings could play a key role in helping the construction industry answer the challenge laid down in the National Audit Offices report on Improving public services through better construction, published in March.

The energy-efficient and consistent operation of showers is aided by the Equi-Flow automatic flow limiter from Arrow Valves.

Shower limiter reduces drain on energy use

The economic and effective operation of showers can be achieved using an automatic flow limiter from Arrow Valves. These devices are designed to be fitted to a standard shower hose or head to save water and energy.

Sophisticated lighting was added to the chilled beams for this major BT project by Cooper Lighting & Security before delivery to site.

Lighting in chilled beams sets new standards

Sophisticated lighting technology for multi-service chilled beams installed throughout BTs new Internet Protocol Management Centre building at Adastral Park, Martlesham, was designed and made by Cooper Lighting & Security. This is believed to be the first time that such sophisticated lighting technology has been built into chilled beams.

Growing demand for pressure boosting – Peter Reynolds.

Design considerations for pressure-boosting sets

With widespread reduction in mains water pressure, the demand for pressure boosting is increasing. PETER REYNOLDS explores the issues involved.

AquaTech’s 2020plus pump controller brings new features to the control of variable-speed pumps.

AquaTech enhances the scope of its variable-speed pump controller

AquaTech has launched the first generation of its 2020plus micro-processor for controlling variable-speed pumps. The software is sufficiently adaptive to be used with stand-alone inverter drives, panel-mounted drives and the latest motor units with integral inverters. Users thus have complete flexibility and preference for choosing drive and pump manufacturers.

Based on permanent magnets, the P range of Biral Pumps form Hamworthy Heating are much more energy efficient than other pumps.

Permanent magnets add to pump efficiency

Hamworthy Heating has launched a range of Biral pumps using permanent magnets. The P range of pumps is said to achieve energy savings of 30% at full load and up to 60% at part load. This feature makes them particularly for boilers and systems that modulate, have weather compensation, or condensing boilers.

Designed for mounting directly into pipework, Armstrong Holden Brooke Pullen’s Series 4300 vertical inline pump is designed for better life-cycle value.

Vertical inline pump installs into pipework

One of the key products in the newly defined range of pumps from Armstrong Holden Brooke Pullen is the Series 4300 vertical inline pump, fitted with suction guide and Flo-Trex valve. Key features are described as better life-cycle value, faster installation and easier maintenance. Flow rates are in excess of 630 l/s. Traditional base-mounted end-suction pumps are said to require up to three times more floor space than the Series 4300 equivalent, with extra time and cost incurred to create the inertia base.

Trinity Hall
Hot water for the showers in the sports pavilion at Trinity Hall, Cambridge is provided by Movichrom NB 9/2 booster pump supplied by KSB.

KSB gives boost to sports activities at Cambridge

A multi-stage water-booster pump unit supplied by KSB to Trinity Hall, Cambridge, provides domestic hot water to showers in the sports pavilion at the college.

LPCB/BRE approval for Fire pumps

Three new Armstrong end-suction fire pumps have received LPCB/BRE approval. All have been specifically designed to comply with the LPC Technical Bulletin for ESFR installations.

Server cabinets with integral water-based cooling can accommodate equipment consuming up to 22 kW, compared for around 3.5 kW for conventional server cabinet layouts in air-conditioned rooms.

Developing a new approach to cooling computer rooms

As the power of computing equipment grows, so too does its power density. The consequence is that the capabilities of computer-room air conditioning are reaching their limits.

Symbolising the scale of waste electrical and electronic equipment is the 3 t of such waste likely to be consumed by an average person in the UK in their lifetime and used to create this 7 m-high human figure. The WEEE Man, built by the Royal Society of Arts, with support from Canon Europe, is outside the City Hall in London until 27 May and then at the Eden Project in Cornwall for the summer. Among the waste equipment is computer mice for the teeth, an old washing machine to form the spine and vacuum-cleaner tubes for the neck. 90% of the million tonnes of WEEE thrown away by households and business in the UK in a year ends up as landfill.

Understanding the scope of the WEEE Directive

MIKE DUGGAN explains why guidance is needed on the Waste Electrical & Electronic Equipment Directive and where you can find it.

Introducing the Modern Building Services recruitment web site

Finding and recruiting the right staff is a problem in any industry and one that particularly besets the building-services industry with its skills shortages and skills gaps. Ultimately, of course, the long-term solution is to attract more people into the industry and to develop training programmes that are in keeping with the needs of both employers and their staff.

Whole-life costing for you

In our personal life, rather than our working life, few people buy anything on the basis of lowest price. CIBSEs new president Donald Leeper neatly encapsulates the issue in his presidential address when he asserts that few of us use lowest price to decide which garage will service our car, let alone which surgeon will operate on our children.

Legionnaires’ case to go for retrial

Following a 10-week trial at Preston Crown Court, the jury failed to reach a verdict on seven charges of manslaughter against Gillian Beckingham caused by the outbreak of Legionnaires Disease in July and August 2002.

US company acquires Airedale

Airedale International has been acquired by Modine Manufacturing of the United Stares for around $38 million in cash. The purchase price is described by Modine as a highly competitive 6.5 times Airedales 2004 normalised EBITDA [earnings before interest, taxes, depreciation and amortisation]. Airedales financial position is described as debt-free with strong balance sheet.

OCS Technical expands with acquisition

OCS Technical has acquired Building Environmental Services (BES) in a deal that will strengthen and consolidate OCS Technicals share of the market in mechanical and electrical engineering. The expertise of OCS Technical includes maintenance, design and installation.

HVCA president Mike Taylor (left) presents the 40 000th Engineering Services SKILLcard to George Bridges of Johnson Controls.

40 000 SKILLcards issued to industry

The 40 000th person to be issued with an Engineering Services SKILLcard is a service and maintenance engineer with Johnson Controls at South Queensferry in Scotland. George Bridges was presented with his card by Mike Taylor, president of the Heating & Ventilating Contractors Association.

Beetham Tower
Natural smoke ventilation in this new 42-storey building in Liverpool is provided by a system controlled by SE Controls’ OSO system.

SE Controls reaches higher in Liverpool

A networked smoke-ventilation system for the tallest residential building in the north-west of England has been designed and installed by SE Controls. Beetham Tower on Liverpools changing waterfront is a 29-storey building. It includes a 133-apartment block, a 4/5-star Radisson SAS hotel and a new office block.

Meeting the planning constraints of Westminster City Council are three large Daikin Chillers supplied by Space Airconditioning for the InterContinental Hotel at Hyde Park Corner.

Daikin’s largest chillers installed at London hotel

Strict planning constraints imposed by Westminster City Council for the InterContinental Hotel at Hyde Park Corner in London led to the installation of three large Daikin air-cooled chillers as part of a major services and upgrade programme. Supplied by Space Airconditioning, each EUWA 200MZ chiller has a cooling capacity of 575 kW. Their screw compressors will require overhauling only after about 4 1/2 years operation.

Among hundreds of Tesco stores to benefit from the energy savings of using variable-speed drives in air-handling systems is Surrey Quays.

Every little helps at Tesco

Following a 43% reduction in energy used by fans in air-handling systems in Tesco stores in the south of England, the retrofitting of inverter drives in over 350 larger stores is nearing completion.


Mace reaches new heights at CityPoint in London

Mace is continuing its association with the CityPoint building in London with a construction-management contract for the offices of Macquarie Bank. Mace managed the fit out of law firm Simmons & Simmons in 2000.


LG spells Love Golf

Mark Ford of Capital Air has won LGs Love Golf tournament. He beat competitors from over 40 major air-conditioning installers in the finals in the Quinta de Lago resort in Portugal. Runner-up in a sudden-death play-off was Paul Vasconcelous of Advance Air, who edged Mike McCole of Kool-It Services into third place.

Profits boost for Grundfos

Pre-tax profits for the Grundfos Group grew by 14% in 2004 compared with the year before. Turnover exceeded £1 billion. The growth is attributed to increased sales, improved efficiencies and continuing growth in established markets such as the UK and new markets around the world.

In the restricted delivery area for the 2-year, £165 million refurbishment of the Treasury, the Zone Management solution from The Logistics Business played a vital role in ensuring smooth delivery of materials.

Fitting 70 deliveries a day into two vehicle spaces

With over 70 truck loads of material being delivered each day for the refurbishment of the HM Treasury building in Londons Whitehall and space for only two vehicles at a time, the Zone Manager solution for managing vehicles and cranes played a vital role in ensuring smooth operation. It was developed by The Logistics Business.

Discreet heating and air conditioning for this conservatory with a noise level of just 26 dB(A) is provided by a Carrier XPower split system.

Conservatory air conditioning saves energy and space

Space-saving heating and cooling for a conservatory recently supplied by 21st Century Conservatories is provided by a radiator-size console unit from Carriers XPower range.

Air conditioning designed for hotel requirements has been supplied by Ability Projects for 150 bedrooms in the Ramada Encore London West hotel.

Dedicated fan-coil systems chosen for new Ramada hotel in London

Aurora II fan-coil systems specially designed for hotels by Ability Projects provide air conditioning for the new Ramada Encore London West Hotel. They serve 150 bedrooms and are installed in bulkheads above room doors.

Three Inviron divisions deliver energy-efficient warehouse

Virtually all warehouse systems in a new 16 000 m2 temperature-controlled pharmaceutical warehouse for UDG in Mansfield as a turnkey solution by Inviron are designed to be low maintenance and energy efficient.

boiler house
Reduced emissions — six Remeha fully modulating condensing boilers have been supplied by Broag for major refurbishment work in a hotel at Lytham St Anne’s.

Seafront hotel makes sea-change in emissions

High-efficiency condensing boilers have been installed as part of refurbishment work at the Dalmeny Hotel in Lytham St Annes. The work included the conference and leisure facilities of this prestigious hotel, upgrading the swimming pool and the installation of a new spa. A key part of the programme was the closure of four satellite boiler houses and the remodelling of the building to create a single, central plantroom.

spray booth
Odour problems from a motor-body repairer have been overcome using Jasun Filtration’s Adcell system.

Odour-removal system solves complaints against motor repairer

Willmott Motorbody Repairs has resolved the problem of complying with the Environmental Protection Act 1990 by installing an odour-filtration system based on Jasun Filtrations Adcell system.

Pre-commissioning of manifold assemblies for a large Robbens underfloor heating system in this school in Kent has reduced installation time.

Kent school adopts underfloor heating

Speedy installation of an underfloor heating system in the canteen building of a girls school in Kent was made possible by the assembling and pre-commissioning of manifolds at the Robbens factory. Because the return-pressure settings had already been made at the factory, the system could be installed quickly.

Radiant-tube heating from Ambi-Rad provides economical comfort by providing five separate heating zones in the Wales National Velodrome.

Velodrome on track for economic heating

To prevent condensation forming on the underside of the roof at the Wales National Velodrome in Newport, Gwent, a Nor-Ray-Vac radiant-tube system has been installed. The system also meets the requirement for flueing through the side walls to avoid roof penetrations.

In control — the graphics capability of Priva’s small control systems enables management at Skibo Castle to control new boiler plant and heating systems easily and efficiently.

Priva adds to the comforts of Skibo Castle

As part of the upgrading of the club house at Skibo Castle, a popular venue for celebrity weddings (including Madonna), a Priva HX4 system controlsl upgraded boiler plant and new radiator and underfloor heating systems. HX4 has been developed to manage such installations and was specified by Campbell Control Services.

Art Cool
Slimmer and with more features — LG’s second generation of Art Cool air conditioners.

Art Cool air conditioning moves to its second generation

LGs second generation of Air Cool indoor units for air conditioning combine a range of improvements.

trench heating
Trench heating made by German company Emco is now available in the UK through Ability Projects.

Natural-convection and fan-assisted trench heaters

The Emco Therm range of trench heaters are now available in the UK from Ability Projects.

Electrical testing without tripping — Martindale’s E-Ze test range.

Non-trip earth-loop impedance tester

The E-Ze test range from Martindale Electric includes the EZ2500 non-trip earth-loop impedance tester with prospective-fault-current and prospective-short-circuit current functionality. This tester features non-trip impedance tests between phase and earth and phase and neutral. It will also carry out socket tests and voltage tests.

Bath plug has two safety features

A bath plug that lets out water when it reaches a certain depth and changes colour when the water temperature exceeds 36°C is available from Nottingham Rehab Supplies.

Designer trunking

MK Electrics Axim trunking is described as an elegant, sleek aluminium-trunking system for skirting and dado applications.

High-efficiency heating and cooling is provided by Daikin Europe’s Z range of cassette units.

Air-conditioning ceiling cassettes deliver very high efficiencies

A new range of 4-way- blow heat-pump and cooling-only ceiling cassettes from Daikin Europe has very high efficiencies. Cooling EERs range from 3.59 to 4.10, depending on the model. Heating COPs are from 4.06 to 4.38.

Designed for low-noise operation — new air-cooled chillers from Axair Climate.

Air-cooled chillers designed for quiet operation

Low noise levels are a key feature of the Kappa V Echos series of air-cooled chillers made by Blue Box and available through Axair Climate. Noise issues have been addressed by using generously sized exchanger elements using condensing coils with corrugated fins (which optimise thermal exchange without impacting pressure drops) and dry expansion brazed plate or shell-and-tube evaporators.

A more environmentally friendly construction and lower resistance — CCL’sTecflex 800S flexible ducting.

Flexible duct is greener

CCL does not use solvents as the principal bonding agent in its Tecflex 800S range of flexible ductwork. A new manufacturing process has reduced the amount of solvent used in the production of this ductwork by over 90%.

ch/dhw module
Self-contained metered hot water and heating for flats and apartments served by central boiler plant is provided by Modusat units from Geminox.

Local heating and hot water from central plant

Designed to provide flats and apartments with independent fast-recovery hot water and high-efficiency heating is the Modusat package from Geminox.

Based on proven Honeywell technology, CentraLine’s Command wall modules provide for measuring and adjusting a wide range of room conditions.

CentraLine wall modules combine style and versatility

CentraLines Command family of wall modules provide for measuring and adjusting room conditions such as temperature, humidity, carbon-dioxide levels and air quality. Designed for small and medium-sized buildings, these modules provide intuitive and versatile control.

Fail-safe versions of Neptronic valves and actuators store energy in a capacitor to move the actuator to its fail-safe position.

JS brings Neptronic actuators to UK

Neptronic actuators and actuated valves are now distributed in the UK by JS Actuators. The range includes direct-coupled electronic actuators to provide precision control for applications such as dampers, VAV systems, fan-coil units and air-handling units.



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