A)Complete repairing/making of bearing housing and its block etc. of tail drum and head drum of Unit No. 493 and stand by B)Repairing and overhauling of 4 nos. Audco Valve size 250mm dia for delivery line and suction line of Fine Coal Section of Kath

Amount

A)Repairing / making of bearing housing and its block etc. of tail drum and head drum (repairing cost of 02 nos.) M.S. Plate for 450mm dia and 55mm thickness

55mm 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

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

Dismantling of drum's bearing block

Bearing cap housing retreading by tapping size dia 38mm

PCD making 205mm in end cover bearing housing by lathe drilling tapping 5/8 B.S.W

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

Fitting charge of bearing

B) Repairing and overhauling of 4 nos. Audco Valve size 250mm dia Complete dismantling of audco valve and its gear box and proper cleaning

Welding of worm out area of valve body with machinable C.I. electrodes and then machining / grinding to its true size C.I. Electrodes - 3 Kg Cost of repairing

Repair of damage pinion by welding, machining and grinding

Repairing of plug by welding with C.I. machinable electrodes and machining C.I. electrode C.I. Electrodes - 1 Kg Cost of repairing

Complete assembling of all parts along with seals fasters and packing

Shaft key way making and repairing

Total impact of GST for the purpose of CTC

M/S RUB TRANSPORT CO (BID ID -1128893)

M/S A A ENTERPRISES (BID ID -1128896)