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BSEE Advertorial


CIAT UK completed a major turnkey project for Bouygues Energies & Services to replace chillers at Central Middlesex Hospital in North London, involving a chiller installaon on the hoest day ever recorded in the UK


The project included the supply of two high performance air-cooled PowerCIAT chillers with a combined cooling capacity of over 1.5MW, management of logistics for removal of existing chillers, as well as installation and commissioning of the new units. The units supply critical cooling for the hospital’s operating theatres, wards, public spaces and administration offices.


The project required careful planning to ensure continuity of cooling to the hospital throughout the changeover, allowing for uninterrupted vital services. “The chillers were replaced in two stages with a four-week proving stage in between, to ensure cooling could be maintained without pause,” says Cammy Singh, project manager, Bouygues E&S FM UK Limited, Central Middlesex Hospital.


“We were fortunate in that one of the existing chillers was no longer operational, and we were able to remove this first and replace it with one of the new PowerCIAT units


while the other chiller continued to meet cooling demand.”


He adds: “Once we were happy the new CIAT unit was performing well and rock solid, we were able to switch off the legacy chiller and lift the second PowerCIAT into position. Installation and commissioning of the second chiller coincided with the hottest day ever recorded in the UK – 38.7 degrees Celsius in nearby Cambridge.” This project included fabrication of new pipework to accommodate the different connections required for the new chillers, managing craneage and logistics for lift-and-shift of the old units, installation of the new chillers, and pressure testing, refilling and commissioning. The new chillers are now being connected to the hospital’s building management system to optimise energy efficiency and control of conditions across the building.


www.ciat.uk.com/product/powerciatnewlx DunhamBush radiant panels a ‘natural’ selecon at Charles Darwin school


It was a case of natural selecon when DunhamBush Evoluon radiant panels were installed at the recently refurbished sports hall and gymnasium at the Charles Darwin School in Biggin Hill, Kent


When selecting heating for large volume spaces, such as sports halls, there are specific environmental considerations that need to be taken into account, in particular siting flexibility and energy efficiency. Radiant panels are often the preferred choice because they can be installed at high level, either freely suspended, ceiling mounted or high on a wall. As the panels are sited remotely from the activities, there are no concerns about damage, obstruction or air movement that might impact on the activities themselves, (badminton for example).


Dunham-Bush Evolution panels provide effective and highly efficient heating by employing radiant heat, which unlike convection heat is not diminished by the additional air changes required in these type of facilities. The unique heating effect from Evolution radiant panels also creates a comfortable environment at lower air temperatures as the floor, walls and occupants are heated directly without the additional need to


warm the surrounding air. The new Dunham-Bush Evolution installation replaces an old gas-fired radiant tube system, which involved a costly annual maintenance regime.


Evolution panels are available in one, two, four or six tube combinations comprising extruded aluminium alloy planks up to three metres in length. The Evolution FS6, freely suspended six-tube, 900mm wide panels were selected for both gyms. Each panel has a radiating surface facing down, with the rear encased in 50mm foil backed mineral wool insulation. Performance is assured through compliance with BS EN 14037 thermal testing. All panels were stove powder coated to RAL 9010 white, 30 per cent gloss.


The installation included 144 metres of Evolution with a total output of 80kW for the main sport hall, which includes a full-size basketball pitch and 60 metres of Evolution with a total heat output of 33kW for the gymnasium, which also features a trampoline facility.


www.dunhambush.co.uk


INSTALLATION NEWS CIAT delivers chiller replacement to London hospital


Luceco lights Muller expansion project in Telford


Muller has recently completed an extensive expansion project building a chilled produce manufacturing facility in Telford


The project has doubled the size of Muller’s current Telford site with three new state-of-the-art production lines, energy efficient cooling facilities and automated warehouse.


Luceco LED luminaires have been installed in many areas including the cooling tunnel, dispatch, goods in and general plant areas, the installation work carried out by Lorne Stewart Engineering based in Birmingham. In many cases, the luminaires were required to be IP65 rated, robust and capable of DALI dimming with connection to a central battery system.


Ceres Extra HighBay luminaires were selected for the principle production areas. IP65 rated, Ceres Extra benefits from a computer designed die-cast aluminium housing with vortex cooling for maximum LED chip performance and provides over 100,000 hours of operational life and a luminaire efficacy up to of 140 Llm/cW. Platinum Mini Downlighters lit non industrial


spaces such as corridors, circulation areas and staff rooms and features easy fit positive locating swing out tabs for quick installation. Platinum Mini, Ceres Extra and Climate Extra are all ideal for use with sensors and lighting controls including LiteIP to further improve energy efficiency. LiteIP is an intelligent wireless lighting system requiring no complicated electrical installation and no limit to the number of luminaires that can be controlled and is compatible with all driver types including DSI, DALI and 1-10V. Other features include presence and daylight detection, energy monitoring and reporting.


Kingfisher Lighting, part of the Luceco plc group, also supplied luminaires for this project. Italo LED lanterns were wall mounted and used to illuminate transportation docks as well as column mounted to light the access route into the plant. The Italo range offers high performance functionality, versatility and a wide variety of optics providing an energy


efficient LED lighting solution suitable for many amenity and street applications.


www.luceco.com Mikrofill by the Sea Life


Mikrofill has supplied replacement LPHW equipment for the Naonal Sea Life Centre in Birmingham


Designed by Sir Norman Foster, The National Sea Life Centre is an aquarium with over 60 displays of freshwater and marine life in Brindley Place, Birmingham. Its ocean tank has a capacity of 1,000,000 litres of water and houses giant green sea turtles, blacktip reef sharks and tropical fish. It also boasts the only fully transparent 360-degree underwater tunnel in the UK, to get any closer you’ll have to get wet!


Building services consultant, Engineering Design Partnership (London) put together a specification that incorporated replacing the existing decrepit LPHW boilers and direct gas fired hot water cylinder. Mikrofill supplied the new scheme’s LPHW equipment that was installed by long standing M&E Contractor AC Engineers Ltd. It included 5No Ethos 130kW wall mounted condensing boilers with a total modulation of 50 > 1 and a Mikrovent 750 low loss header c/w air and dirt separator. In addition the HWS demand was catered for by the installation of an Extreme 300 litre loading cylinder that is designed to maximise the Ethos boilers efficiency by operating at a T of 30°C. The WRAS approved Extreme was supplied c/w a six bar unvented kit and 3kW immersion heater and is capable of producing in excess of 2300 l/hr at 60°C.


www.mikrofill.com


34 BUILDING SERVICES & ENVIRONMENTAL ENGINEER NOVEMBER 2019


Read the latest at: www.bsee.co.uk


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