AHP Dn Rectification of defects in 6 Ton capacity 2 Nos for unit I II III EOT crane in ash handling slurry pump house by overhauling of long travels mechanism cross travels mechanism main hoists mechanism gear boxes inspection of control panels

Amount

Complete Removing of 6 T capacity Electrical hoist from the rail by providing frame / Derrick & chain block arrangement , loading and un loading and transporting to the workshop, erection of the Crane / Hoist after 1 No completion of the repair work , testing and commissioning etc. Including Consumables and T&P’s.

Overhauling of main gearbox of 6 Ton capacity electrical hoist including the dismantling of gear couplings, gear box top cover, inspection of gears & gear coupling, changing of hoist gear box assembly in put pinion shaft and input pinion mating gear wheel and gear box shaft made of special grade and hardened material and bearings and assembling back all the above internals etc., and normalizing. Including Consumables and T&P’s.

Overhauling of Long travel gearbox of 6 Ton capacity electrical hoist including the dismantling of gear box top cover and inspection of gears, bearings & changing of L.T drive wheel assembly- 2Nos, changing of L.T output pinion assembly and changing of output pinion mating gear wheel assembly and changing of L.T input pinion and bearings and assembling back all the above internals and normalizing. Including Consumables and T&P’s.

Overhauling of cross travel gearbox of 6 Ton capacity electrical hoist including the dismantling of gear box top cover and inspection of gears, bearings & changing of C.T drive wheel assembly- 2Nos, changing of C.T output pinion assembly and changing of output pinion mating gear wheel assembly and changing of C.T input pinion and bearings and assembling back all the above internals and normalizing. Including Consumables and T&P’s.

Dismantling 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, Consumables and T& Ps

Dismantling of rope drum, inspection, cleaning and applying compound & re winding the steel wire rope and assembling the drum with hoist. Including Consumables and T&P’s.

Overhauling of Hoist Hook Assembly, Compensating pulleys and changing of hook pulley bearings Including Consumables and T&P’s.

Complete chipping and surface preparation of gantry monorails, Alignment checking of rail and correcting misalignment by removing of rails, cleaning, water level, settings, adding shims, packer plates if required and clamping of 6 Ton capacity EOT crane of pump house. Including Consumables and T&P’s.

Complete overhauling of, 415 volts LT Motors. Releasing the motor from bed, removing the gear, dismantling of motor, cleaning the rotor, stator core and stator winding, checking the tightness of wedges, insulating the stator winding portion by spraying one coat of Dr. Beck insulating varnish drying out the stator by preheating, checking of IR value and winding resistance and assembling the motor and testing. Including Consumables and T&P’s.

Fitting of Hoist system operating powder coated steel pendant switch Including Consumables and T&P’s.

Loading and transporting the concrete test blocks, load testing platforms from the storage area to AHP pump house 6 Ton capacity crane -2 Nos 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. Including Consumables and T&P’s.

SRI RAVI BALAJI ERECTORS (BID ID -1249410)

MADURA ENGINEERING WORKS (BID ID -1249748)