OT 16

Amount

Charges for dismantling the screw conveyor top cover plate, de- couple the motor, gear box & gear coupling, screw conveyor DE & NDE existing worn out Plummer block body with bearings & bearing seating shaft, lead & lift the centre pipe shaft assembly with flight from the screw conveyor trough after providing necessary chain block arrangements and hydra for dismantling the screw conveyor assembly parts one by one.

Charges for Fabrication & supply of new screw conveyor centre pipe and flight size : 150 NB x Schedule - 40 - 6.5 Mtr MOC-SA-106 Gr.B. Screw OD 372 x 8 mm thick with hard facing MOC-IS 2062 E 250 BR including cost of materials etc

Charges for fabrication & supply of 'U' shape screw conveyor outer casing M.S. plate of size of 1,380 mm x 6,600 mm x 6 mm tk, Fabrication of screw top cover M.S. plate of size 1,305 mm x 500 mm x 6 mm tk. x 3 Nos with both side curve shape bending (Length wise), providing free holes of size Ø15 mm x 48 Nos over the outer casing top side, providing necessary stiffener plate over the outer casing & top cover plate if necessary, providing necessary suitable type fasteners for easy dismantling & assembling while emergency including the cost of materials & consumables etc

Charges for leading, lifting, transporting of retrieved worn out screw conveyor bearing seating shaft from BAHS to outside workshop, reconditioning the worn out portion of bearing seating, gland rope flange seating by welding the uneven outer surface of screw conveyor shaft, machining the uneven welded surfaces and return to MTPS-II BAHS works site. (Transporting of shaft for machining works under contractors scope)

Charges for decoupling the gear box with motor from the screw conveyor shaft, dismantling & inspection of the gear box internals, cleaning and renewal of worn out spares, oil seals, bearings etc… and finally reassembling the same with the screw conveyor shaft, alignment of the gear box shaft to screw conveyor shaft, renewal of new gear box oil and finally checking the trial run of gear box with out noise including the cost of oil seals, bearings etc

Charges for assembling the screw conveyor centre pipe shaft assembly with flight to the screw conveyor trough, screw conveyor top cover plate, couple with motor, gear box, gear coupling, renewed Plummer block body with bearings, bearing shaft and erect the screw conveyor in the screw conveyor bed and inspection of trial run operation checked without noise condition etc and providing of necessary chain block arrangements and hydra for reassembling the screw conveyor assembly.

FIROZE FABRICATORS