MEJA TPP (2X660MW)

CW SYSTEM AND MAKE-UP WATER SYSTEM CIVIL WORKS PACKAGE

 

SALIENT FEATURES

 

“Salient Technical Features of the equipment/systems/services covered in the IFB No. CS-0360-318A(R2)-9 dated 11.01.2014 are mentioned below. These Salient Technical features are mentioned only to facilitate the prospective bidder to prima-facie understand the requirements under the tender and shall not in any way limit or alter the scope of work and technical features/specification of equipment/system/services covered in the bidding documents. Detailed provisions in regard of scope of work and technical features/specification of equipment/system/services covered in the bidding documents shall be final and binding.”

 

FOR UNIT RATE PORTION

 

A.    Civil, structural and architectural works for CW System, Raw Water Pump house and laying of MuW and effluent disposal pipelines including fabrication and erection of the following major structures:

a)     CW pump house including maintenance bay, Forebay, Transition etc.

b)    Station Auxiliary CW pump house including maintenance bay, Forebay, etc.

c)     CW ducts from CW pump house to transformer yard area and from transformer yard area to Cooling Towers, etc. (ducts between transformer yard area and A-row are covered in Main plant and offsite civil works package)

d)    Open CW RCC channel, etc.

e)     Raw water pump near reservoir including maintenance bay, Common Sump, Valve Pits, switchgear room, control room including battery room, transformer foundation, etc.

f)     Laying of two nos. 900 dia make-up water pipe line including cathodic protection from Make-up water pump house to the raw water reservoir including road/rail/canal crossing. (29.25 km)

g)    Laying of effluent disposal pipe including wrapping and coating from CMB to disposal point (2 km)

 

FOR LUMPSUM PORTION

 

B.    Design, Engineering, Fabrication, Erection and construction of civil, structural and architectural works for MuW System near Intake pump house outside plant boundary, consisting of the following major structures:

a)     Intake well in the river Ganges, etc.

b)    Intake water pump house over the intake well including maintenance area etc.

c)     Approach bridge along with the piers, abutments and their foundations connecting the intake water pump house to the river bank,

d)    River bank and river bed protection works etc.

e)     Geotechnical investigation in river Ganges,

f)     Model studies for intake water pump house in intake well,

g)    Desilting basin on the river bank,

h)     Make up water pump house on the downstream of the desilting basin including maintenance bay, etc.

i)      Silt flushing pump house and outlet structure, etc.

j)      Switchgear room, control room including battery room and Outdoor / VFD transformer foundations for Intake water pump house, MuW Pump House, Silt flushing pump house etc.,

k)     Area filling along with the road/drains, turfing, boundary wall, fencing, gate, etc. in the make up water pump house area on the river bank.

l)      Stop logs, trash racks, lifting beams with hoists for intake well, desilting basin, and Make-up water pump house etc.