TTPS Operation Circle MPM-II Unit IV Overhauling and load testing of 2 Nos 10 Ton and 7.5 Ton capacity defective crane at Unit-IV mill floor

Dismantling and complete overhauling of main and micro hoist gear boxes, cross travel gear box, long travel gear boxes, cleaning all components conducting DPT for gear components of worn out parts like gears and bearings etc., carrying out the machining works if necessary changing of gear box oil, aligning, reassembling and commissioning.

Dismantling of all hydraulic thyrister brakes and electromagnetic brakes replacement of brake liners and worn out spares if necessary, checking brake drum reassembling and adjusting to its correct position including cost of materials.

Dismantling and checking cross travel, LT & CT wheels main hoist shaft bearing blocks, gear couplings, wheel bearings, key way and keys and replacement of worn out parts if necessary, lubricating and reassembling etc., including consumables.

Removing of wire ropes from the drum and pulleys, checking the condition of drum surface, wire rope, bearings and refixing the worn out parts if necessary, cleaning the drum, bearing blocks and refixing the wire rope, applying rope compound on wire rope, assembling and tightness checking, testing commissioning etc., including the cost of wire rope and bearings required.

Overhauling of main hoist hook and pulley, checking and changing of worn out bearings if necessary and assembling etc.,

Loading and transporting the concrete test blocks, load testing platforms from the storage area to Mill floor of unit V, 10 & 7.5 Ton Crane load testing area. Placing the concrete blocks on the load testing platform, conducting load testing, transporting back to the concrete blocks and platforms to storage area.

Material On Contractor Scope: 8 mm dia wire rope, 6 x 37 construction, Make :MM

Material On Contractor Scope: 4 Core Flexible Copper Trailing cable of 4 Sq. mm. (4 Core x 4.0 Sq.mm).

Material On Contractor Scope: Eye bolt with nut and washer

Material On Contractor Scope: Porcelin Sliding real with cable clamp for hoist.

Material On Contractor Scope: 63 Amps, 415 V, 50Hz TPN metal clad main switch with fuse unit.

Material On Contractor Scope: 40 Amps /3 Pole, coil voltage 240V, AC, 50 Hz, Power contractor (for LT switch gear).

Material On Contractor Scope: 16mm size, Steel wire rope IS 2266-2002, 6x36 construction, Fibre core, Rho Lay un Galvanized, 1779 Tensile with TC, Make USHA Martin.

DURAI ENGINEERING WORKS (BID ID -1118364)