Transportation installation and commissioning of 2 nos of 1000 GPM 300 mtr head pump with 3.3 Kv HT electricals in RVIIA seam of Shyamsundarpur Colliery under Bankola Area

Amount

Item Description/ Heading

MLA-6, 200x225, 3.3kV, 370kW Centrifugal pump set with electrical Collection of trolleys from CM section and lifting the same to surface for loading of pump sets from surface workshop

Loading of pump, HT electric motor, bed plate, HT FLP starter on trolleys and transporting the same to Pit top for lowering

Lowering of 1 set centrifugal pump, base plate, electric motor (3.3kV, 500HP), star delta starter pit top to pit bottom of pit no.3 by dismantling and re-assemblíng of cages.

Lifting of 8" dia, 10ft.long- 24 nos Flange fitted M.S.pipe from surface workshop to pit top and lowering the same to pit bottom by dismantling the cage roof top.

Lifting of 6" dia, 20 ft.long- 64nos M.S.pipe from surface workshop to pit top and lowering the same to pit bottom by dismantling the cage roof top.

Transportation of centrifugal pump, base plate, electric motor (3.3kv, 500HP), 3.3kV star delta starter from pit bottom to installation site through track line upto 18L/2WD and manually upto 18L/1ED in RVIIA seam.

Transportation of 8"-24nos and 6" pipe - 64 nos. from pit bottom to RVIIA seam to installation site through track line upto 18L/2WD and manually upto 18L/1ED for suction and delivery line

Installation of bed plate at 18L/1ED, placing the MLA-6 pump and 3.3kV, 500HP motor manually on bed plate, aligning the same.

Installation of suction 8" suction pipe and foot valve for suction range of appx. 35mtr.

Laying and joining of 6" Delivery bend in pump and complete 6' delivery range from pump site, i.e. 18L/1ED to bore hole at 15L/3ED (appx length 180mtr.)

Trransportation of 95sq.mm. power cable from 20L/9ED substation and laying from 14L/4WD substation 17L/1ED in RVIIA seam

Transportation of 3.3kv, 400A FLP breaker from 14L/4WD substation to 17L/1ED pump site in RVIIA seam

Making of base plate for the pump consisting of joint and fabricating the same as per pump and motor dimensions at workshop.

Testing and commissioning for leakage and rectification of delivery and suction range.

Complete lowering of pump set with electricals and reassembling of suction and delivery line as per reduction in water level. 4times lowering- 2 shift/lowering

Pluro-llA-8, 200x225, 3.3kV, 300kW Centrifugal pump set with electrical Collection of trolleys from CM section and lifting the same to surface for loading of pump sets from surface workshop

Loading of pump, HT electric motor, bed plate, HT FLP starter on trolleys and transporting the same to Pit top for lowering

Lowering of 1 set centrifugal pump, base plate, electric motor (3.3kv, 410HP), star delta starter pit top to pit bottom of pit no.3 by dismantling and re-assembling of cages.

Transportation of centrifugal pump, base plate, electric motor (3.3kv, 410HP), 3.3kV star delta starter from pit bottom to installation site through track line upto 18L/4WD and manually upto 18L/1WD in RVIIA seam.

Installation of bed plate at 18L/1WD, placing the Pluro-IIA pump and 3.3kV, 410HP motor manually on bed plate, aligning the same.

Installation of suction 8" suction pipe and foot valve for suction range of appx. 35mtr.

Laying and joining of 6" Delivery bend in pump and complete 6" delivery range from pump site, i.e. 18L/1WD to bore hole at 15L/3ED (appx length 245mtr.)

Transportation of 95sq.mm. power cable from 20L/9ED substation and laying from 14L/4WD substation 17L/1ED in RVllA seam

Transportation of 3.3kV, 400A FLP breaker from 14L/4WD substation to 17L/2WD pump site in RVIIA seam

Making of base plate for the pump consisting of joist and fabricating the same as per pump and motor dimensions at workshop.

Testing and commissioning for leakage and rectification of delivery and suction range.

Complete lowering of pump set with electricals and reassembling of suction and delivery line as per reduction in water level. 4times lowering- 2shift/lowering

Cost for MS nut nolt 5/8 x 3 inch

cost for MS nut bolt 5/8 x 2.5 inch

Cost for 6 inch seamless 12mm thick

Total impact of GST for the purpose of CTC

SWAPAN KUMAR AKHULI (BID ID -1130982)

PRASHANTA KABIRAJ (BID ID -1131899)