Tender Document Volume - 2 - BPDB

6. Control Compartment
a. Outdoor enclosure.
b. Turbine control panel.
c. Generator control panel and protection panel.
a. Motor control centre.
b. air conditioning system.
7. The bidder shall assess the potential impact of air quality, designs the air filter
system appropriately and guarantees its long-term performance.
The bidder shall also supply, install & commission (a) Continuous Emissions Monitoring
Module; and (b) standard weather station for measuring wind velocity & direction and
ambient temperature, pressure & Relative Humidity. Sensors shall be installed in suitable
location as per GT designer's recommendation and calibrated & interfaced with plant
control system. Ambient Temperature, Pressure & Relative Humidity shall be used during
performance tests.
2.1.3 Emergency Diesel Generating Set
One (1) set of emergency diesel generating set complete with ancillary equipment shall
be of minimum 500 kVA [pf 0.80] having diesel storage capacity for 8 hrs continuous
operation for supplying power to essential auxiliaries. EDG shall be of automatic starting
system [compressed air/ Battery] including quick start & loading capability. The starting
system shall be capable of carrying out at least five (5) consecutive start without auxiliary
power supply.
2.1.4 Natural Gas Booster Compressors
The Gas Booster Compressor (GCB) manufactured either by MAN Turbo, Germany or
Atlas Coppco, USA , shall be of well proven design and the offered model of GCB shall
have satisfactory operating experience outside manufacturer's country for at least 2 (two)
years. Tenderer shall have to submit at least one certificate (must be from outside
manufacturer's country) from the end users in this respect. These certificate must be
notarized or have authentication from the Chamber of Commerce of the Tenderer's
country or the Embassy/High commission of the end user’s country situated in Dhaka. In
absence of that in Dhaka, authentication from bidder’s Embassy/High Commission.
The plant shall require centrifugal type gas booster compressors, as the supply pressure
of natural gas at RMS is only 90-150 psig. The capacity of the compressors shall have to
be 2x100% ( one in operation and one standby) and each shall be capable to meet
maximum gas requirement of the plant at all modes of operation [base & peak] & at any
temperature prevailing in the site. Appropriate control, sealing, cooling & anti-surge
system shall have to be provided including compressor house.
The gas booster compressors shall be 6.6 KV motor driven.
2.2 230 Kv Switchgear, Equipment And Transformers
2.2.1 230 Kv Switchgear Equipment
(1) 1 (two) lot of 230 kV circuit breaker [3 phase trip, Dead Tank type] with
Ghorasal 200 MW to 300 MW Gas Turbine Peaking Power Plant Project (Vol-2 of 3)
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