Chilled Beams 29
appropriate environment in the shelving areas while efficiently ventilating the open atrium and stairways.
Dual coil circuitry reduces water resistance and lowers pump power consumption.
Dummy infill panels provide a continuous visual effect and the unconventional corners of the rooms called for special custom design and manufacturing of the casings. By using Waterloo’s passive beams, the library is benefitting from cooling by natural convection which delivers an effective and draught free environment for the building’s occupants, contributes to reductions in carbon emissions and helped the library achieve a BREEAM Excellent rating.
Sustainability
Chilled beam score highly when it comes to sustainability. They use less materials than other HVAC systems and are manufactured from recyclable materials – copper, steel and aluminium. Their 25-year plus life cycle and low
CO2 emissions significantly increase chilled beams sustainability and was a key
criteria for the recent refurbishment of Putney Police station in West London. The refurbishment and modernisation of the 1970s building was viewed as an ideal opportunity to improve energy efficiencies, reduce heat loss and contribute to a
reduction in the Metropolitan Police’s overall carbon footprint. As part of the fit out, the existing HVAC plant was removed and new mechanical and electrical services were installed along with 195 ABM Series of active chilled beams to provide energy efficient environmental control. All the beams were ceiling mounted with the supply of primary air delivered through nozzles and the secondary air induced through a heat exchanger. The units provide excellent throw characteristics and address both environmental requirements and aesthetics.
Legislation
The tightening of legislation and improvements in buildings are helping to fuel demands for more sustainable building construction. Previously projects were cost driven.
Price is still a major consideration but longer term strategies and the green agenda’s demands for improvements such as greater efficiencies, reduced carbon emissions, rising energy costs, sourcing of sustainable products, space constraints and maintenance costs, have helped create a perfect storm for the chilled beam industry.
Advanced Engineering
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ACR News February 2014
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