Tender Document Volume - 2 - BPDB

Enclosure insulation, ventilation, and cooling shall be provided to maintain
temperatures suitable for personnel and for all systems whether standby or
operating. Unit control rooms shall be ventilated and air-conditioned.
Turbine compartment and generator compartment shall be adequately ventilated
utilising forced ventilation with louvers and bug screens as required for protection
of the houses equipment from outdoor environmental conditions.
Adequate interior lighting shall be provided, and emergency DC lighting shall also
be provided, and those shall be energised through an automatic throw over
contractor when AC source fails.
Enclosures shall be provided with 240 volt AC service outlets.
3.3.2.11 Fire Protection Equipment
The entire gas turbine generating unit including all auxiliary compartment shall be
automatically protected from fire with complete fire protection system complete
with C0 2 gas system, fire detectors, pipe works, control and safety device.
Actuation of the fire protection system shall be indicated at the control
compartment and by a visual and an audible alarm to warn any personnel in the
compartments.
3.3.2.12 Casing Design
The casings of all the rotary parts on the main unit shall be spilt horizontally for
easy dismantling and inspection. Lugs for lifting the upper casing shall be
provided at points which will lift the casing half well balanced. Complete lifting
gear together with lifting drawing and instruction shall be furnished.
3.3.2.13 Insulation And Lagging
Thermal insulation shall be provided where necessary and is to include such parts
as the combustion chambers, exhaust ducts and hoods. Removable insulation
blankets shall be provided in all parts where insulation must he removed for
maintenance purposes.
Ghorasal 200 MW to 300 MW Gas Turbine Peaking Power Plant Project (Vol-2 of 3)
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