BSEE INSTALLATION NEWS
ir distribution products for the £multi-million refurbishment of Bush House (former home of the BBC’s World Service) have been supplied by Waterloo Air Products plc.
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The landmark office development comprises four buildings – Bush, Strand, Melbourne and King House. Collectively known as the Aldwych Quarter it is on the north side of the Thames with excellent links to the City and West End.
The re-developed site provides high- specification offices and ancillary space around a campus-style environment. Each building features contemporary finishes and services that
comply with the site’s Grade II listed status.
The new HVAC system includes a combined heating and cooling system to all zones provided by a ceiling mounted four-pipe variable air volume fan coil system. Air cooled packaged water chillers and CHW pumps are at roof level within dedicated pump rooms
Each building had individual design parameters. Internal design temperatures in the summer are 22°C ± 2°C and 21°C ± 2°C in the winter, based on external design conditions of 30°C dry bulb and 20°C wet bulb in the Summer and -4°C dry bulb in the Winter months. Ventilation rates in the offices
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Aldwych Quarter benets from Waterloo’s air distribuon
were based on 6 l/s per m² based on occupancy of one person per 10m². Maximising performance and energy efficiencies were a major focus for Kato Kagaku Company Limited, the building’s Japanese owners. Waterloo supplied an extensive number of CS linear slot diffusers, DF louvred faced diffusers and plenums throughout each building. The small format continuous slot diffuser series set the industry standard in terms of aerodynamic and acoustic
performance. The series offers excellent low flow rate air diffusion characteristics and high air handling capacity and is particularly suited to variable volume applications.
Flexibility characterises the ‘D’ multi- core diffusers, which are suitable for any commercial project which requires a high quality diffuser that can be integrated with various ceiling types. Five frame styles are available with 14 different air pattern control core designs for vertical and horizontal diffusion.
“This was a substantial project. Waterloo collaborated with Haydon Mechanical and JLL, the development manager, to deliver an office development incorporating up to date facilities within buildings of historical and architectural importance,” explains Ron Edmondson, Managing Director of Waterloo.
www.waterloo.co.uk
Elta Fans in pole posion for Liverpool go karng project
eam Sport is Europe’s largest indoor karting operator, operating 17 UK race circuits with their most recent, in Liverpool, opening last December. For the latest building the brief was to ensure the correct extract of CO2 produced by the petrol engines of the karts, which demanded an appropriate ventilation system for the size of the enclosed space.
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East Lancashire Refrigeration Limited, in Blackburn, was chosen as the contractor and used Elta Fans Multiflow SEM in-line fans sourced through SK Sales, for the project The Mutiflow SEM mixed flow, in-line fans were considered the perfect solution to meet the design criteria which required high volume air flow at a medium pressure. Alex Fletcher, branch manager of SK Sales said: “Five 630Ø extract fans and four 630Ø supply fans were supplied for installation on the project. We have a long standing relationship with Elta Fans and have every confidence in the integrity of their products and their ability to supply on a tight turnaround.”
Darren Melvin from East Lancashire Refrigeration said: “We have used this type of fan at other karting tracks, so were aware of their specification and knew that they would deliver the desired results.”
www.egbuildingservices.co.uk
he woodworking workshop at the Rycotewood Furniture Centre, at the City of Oxford College campus, is a key resource for the students of furniture design and making who attend the College.
When it was decided to upgrade the dust extraction system, it was important that the work could be carried out to a reasonable budget and quickly, with minimal disruption. The original intention was to remove the existing dust extraction system and replace it with an entirely new one, including high level ducting, fans, filters, etc. And it was on this basis that companies were invited to submit tenders.
But when Western Air Ducts examined the
Western Air Ducts retrots intelligent LEV soluon at Oxford college T
specification documents they concluded that the required improvement in dust extraction efficiency could be achieved by retrofitting their Inteliair system to the existing dust extraction installation – retaining all the existing extraction infrastructure and saving significant time and expense.
Inteliair is an intelligent air control system that reduces operating costs, lowers carbon footprint and improves air quality by optimising the efficiency of dust extraction, fume extraction and ventilation systems. It does this through the automatic and continuous monitoring of demand, using local control units that detect when extraction is required.
At the Ryecotewood furniture workshop, an
Inteliair damper control unit is fitted to the extract duct serving each of the woodworking machines. When a particular machine is switched on, the Inteliair system detects it and automatically opens a damper accessing the extraction system regulates the main extraction fan speed accordingly and dust is extracted.
In the original system, and in competitors’ proposed replacement systems, when one machine was in use, the whole dust extraction to every machine was activated, wasting large amounts of energy.
An additional benefit of the installation is the reduction in noise, not only within the workshop but also in rooms located nearby. Because the existing ductwork, extraction
fans and filters remained in place, the work involved in making the upgrade was greatly reduced and could be timed to occur over the holiday period.
Andy Appleby, Facilities Manager, City of Oxford College, commented: “When Western Air Ducts came and explained how Inteliair could transform our existing installation from its basic state into a fully automated extraction system – without the need to replace the existing ductwork (which was really relatively new) – we were convinced that this was the solution for us. We are really delighted with the results.”
www.westernairducts.com
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