A)Dismantling, fitting, repairing and overhauling of GS-55 gear box of 180 belt conveyor and B)Repairing, dismantling and fitting of bearing block with bearing no. 22220EK in head snub drum of unit no. 79 B/C in raw Coal Section of Kathara Washery

Amount

A) Repairing of GS-55 Gear Box Dismantling of gear box and motor on position

Repairing of input shaft (EN 24 Steel) shaft size 1000 x 150mm a)Materials weight with ultrasonic test shaft

b) Machining of shaft in bearing size

c) Machining and welding of shaft for drill tapping teeth cutting (C.I electrode 4mm Lomet 205 - 0.5 Kg Machining charge per hour 1/2 Hrs

d) Shaft key way cutting charge

Fitting of ear box and motor in position

B) Repairing, dismantling and fitting of bearing block M.S. Plate for 450mm dia and 20mm thickness

20mm plate rough 450mm dia machining to true for size

2 Nos. plate one side machining V setting each other's and welding with electrodes for size and consumption

Welded plate machining of dia 235mm and bearing size 180mm thickness 62mm oil seal in end bearing housing

Ol seal size thickness welding over size 66mm upto size and machining oil seal in end bearing housing

Bearing cap housing rethreading by tapping size dia 38mm

Dismantling of head snub drum bearing block

Bearing housing and its block dismantling and fitting with bearing at side

Complete dismantling counter weight head snub drum and head snub drum motor gear box and bearing block

Complete installation counter weight , head snub drum motor gear box and bearing block

New Bearing no. 22220K

Contractor profit

Total impact of GST for the purpose of CTC

ASNAPANI SIKSHIT BEROJGAR SAHYOG SAMITEE LIMITED

M/S I.R. ENTERPRISES