RWE Npower, Didcot Power Station - OCGT Fire

CONSTRUCTION & MAINTENANCE DIVISION
Case History
RWE Npower, Didcot Power Station - OCGT Fire Protection Project.
As Didcot “A” Power Station’s long and successful history draws to a close, RWE
Howden installed the inter-connecting pipework from a new tapping location in
Npower’s Engineers looked to secure assets under control of the Station, that
the Towns Main supply, some 180m away, across the adjoining open ground to
could be passed to their adjacent site, Didcot “B”.
the converted tank, and from the tank to the fire pumps and the onward discharge
pipework to the fire protection deluge system and hydrant main serving the
Within the grounds of Didcot A, there is a small Open Cycle Gas Turbine (OCGT)
OCGT building.
building, which houses 4 x 25MW generating units. These units are used for
generation during periods of high demand, the condition of this OCGT plant is
Control Valves and level control mechanisms for the tank were supplied as part of
good, and RWE Npower wished to retain these valuable assets after the closure of
the contract, and a new 12m x 9m x 3.5m GRP Pumphouse Enclosure building has
Didcot A by bringing them under control of Didcot B.
been installed by Howden to house the relocated Fire Pumps and new
control systems.
A transfer project was set up to deliver this objective managed by RWE Npower’s
Engineers from their Swindon Head Office. However, the OCGT fire protection
Howden project managed the entire CDM project, including all Mechanical,
system originally relied on the “A” Station Fire Pumps, which, following the
Electrical and Civil disciplines.
closure, would not be available, so an alternative strategy was required.
Howden C & M were fortunate to secure the contract for the removal and
relocation of two of the existing fire protection pumps to a location near
For further information call Keith Bickle, Business
Development Manager on 01384 401021.
to the OCGT building, together with the conversion of an existing Fuel Oil Storage
Tank into a Fire Water Break Tank.
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