Tender Document for Construction of Ghorasal 300-450 MW ... - BPDB

4.0 Gas Turbine and Ancillary Equipment
4.1 General
The arrangement of the plant equipment shall be generally as described
below:
Gas Turbine Power Plant(s) with a continuous total net generating capacity
approx. 66% of combined cycle output shall be accommodated in the
location proposed.
4.2 Guarantee
The net output and heat rate of the Unit shall be guaranteed by the
contractor at the following conditions:
a. Ambient temperature : 95 0 F (35 0 C)
b. Site elevation : less than 100 ft(msl)
c. Relative humidity : 98%
d. Barometric pressure : 1.013 bar
e. Generation voltage : 15750 V
f. Power factor : 0.8 lagging
g. Frequency : 50 Hz
The contractor shall guarantee the starting reliability of the Unit(s)including
all ancillary equipment. The guaranteed reliability shall be stated in the
Tender form together with the number of consecutive starts to which the
Unit will be subjected to demonstrate this reliability. (This is for a starting
reliability of 95 %, the Unit shall be subjected to 20 consecutive starts of
which 19 shall be successful) the maximum speed rise after full load
rejection is to be guaranteed (see Tender)
4.3 Gas Turbine and Ancillary Equipment
4.3.1. Basic Equipment Requirements
The gas turbine (Simple Cycle) generating unit shall be of well proven
design and the offered model of gas turbine generating unit (offered model
shall be within the evolution of frame) shall and have satisfactory operating
experience outside manufacturer's country for at least 2 (two) years.
Tenderer shall have to submit separate certificate in this respect, otherwise
Tender shall be rejected.
The extent of supply shall include, but not be limited to, the equipment
described herein. All equipment comprising the gas turbine package shall
be pre-assembled in the factory.
4.3.2 Gas Turbine and Auxiliaries
The gas turbine generating unit shall be of the simple cycle heavy-duty
industrial packaged type suitable for outdoor installation and operation
under the site conditions as specified in Art. 4.2 & Schedule B of Volume 2
of 2 Part B.
Ghorasal 300-450 MW CCPP Project (Vol-2A of 2) 44