Product category:
Electrical Services
News Release from: Power Electrics | Subject: Standby diesel generator
Edited by the Buildingtalk Editorial
Team on 27 September 2007
High spec generator for hospital
application
Power Electrics, working through SWALEC Contracting, recently provided a 'high spec' standby diesel generator to back up the critical installation at Bronglais General Hospital, Aberystwyth.
The compact, integrated standby generator solution included a 1500kVA prime rated diesel generator housed in a sound reduced container and rated at 75dBA@1m Its 68,000 litre double skinned underground fuel tank is connected to the day tank and generator set via double skin fuel pipes, with fuel pumped to the set using a fully automated duty / standby pumping system
This article was originally published on Buildingtalk on 16 Apr 2007 at 8.00am (UK)
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The prime rated generator was compliant with the Health Technical Memorandum HTM2001, Model Engineering Specification C44 (Diesel Engine Driven Automatic Standby Sets), TA Luft requirements, BSEN 60947-6-1 and G59 short term mains paralleling.
Aberystwyth's coastal location meant that the enclosure had to meet some additional exacting construction and protection requirements.
The 125 micro dry film thickness of the paint system used complied with BS 3900 F2 for 1000 hours and will withstand a continuous salt spray for 700 hours without showing any sign of corrosion.
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The paint system used significantly exceeded the specification requirement - no mean task on such a sizable and in places flexible steel structure.
In order to meet the Trusts clear and well defined environmental management policy, emissions of CO (carbon monoxides) and HC (hydro carbons) were minimised by the development of a combination exhaust system deploying the use of latest catalysation and soot entrapment technologies and utilising a highly active base metal washcoat system with a specially formulated precious metal coating.
In series with the catalytic converter was a soot filter section which, by lowering the light off temperature at which the soot particles combust, significantly reduces total soot emissions.
The entire 4000Kg, emissions reduction system, mounted on the roof of the container, needs periodical inspection and maintenance and has a number of specially designed features.
The emission reduction system can be split to permit the 10 x 50Kg soot pots to be viewed and rotated.
The unit was lagged with a heat insulation material and cladding for weather protection and noise reduction.
A modular lagging and cladding system ensured that all maintenance functions could be performed without the need of continuous replacement.
Lifting the 25,000 Kg generator package into its site location was very straight forward.
Being involved at the early stages of the project enabled the PE team to deploy their extensive applications and product knowledge to make sure that the available site space was not only optimised but all potential delivery and positioning difficulties were considered and alleviated.
All aspects of the delivery, positioning and mechanical installation were undertaken by the Power Electrics installations team.
Project manager Leon Shackleton said that "having our own installation guys means that we have complete control over the programme and most importantly over the quality of work that we do".
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