Tender Document Volume - 2 - BPDB

6. Sump tank
The sump tank allows draining liquid fuel from combustion system and from
exhaust plenum when there is false start. It may be preassembled and includes
the followings
-One tank of 1 m 3 capacity
-One manual pump
Gas Fuel System
FUEL GAS HANDLING FACILITIES
SCOPE OF WORK
The Contractor shall design, manufacture, inspect, test, delivery to the site and
install of natural gas handling facilities with all accessories as specified hereunder
for the plant.
The gas turbine unit shall be furnished with a complete gas fuel system. The gas
handling system including Gas Booster Compressor shall also be provided.
NATURAL GAS SUPPLY SYSTEM
To forward the natural gas from the main gas supply header to the gas turbine
unit and to adjust its supply pressure to normal operating pressure, the
Contractor shall furnish one (1) complete factory assembled skid mounted gas
pressure regulating unit including all accessories and necessary pipe connections
to the BOARD's gas supply header for gas turbine unit.
Each gas handling unit shall comprise at least the following major items:
Gas Booster Compressors (one running and one standby, each having capacity for
meeting total gas requirement at all ambient temperatures with 10% margin)
with necessary sealing, cooling, anti-surge device, proven control system etc.
Inlet strainer
A flow meter with bypass system and with integration
Pressure gauges
Pressure regulating equipment
Safety valve and relief valve
A gas conditioner (scrubber, separator and others as required)
Other equipment for satisfactory completion of the work.
Each unit shall have guaranteed capacity, which matches or exceeds the gas
turbine needs under all load operating conditions at site conditions.
Specification of natural gas is shown on Appendix (Vol 2 of 3)
3.3.2.8 Air Inlet System
The air filtration arrangement shall be multi stage (pre-filter and high efficiency).
Ghorasal 200 MW to 300 MW Gas Turbine Peaking Power Plant Project (Vol-2 of 3)
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