Replacement of damaged components of 55,000 GPH x 30 mtrs. head pump unit no. 01 of Tawi low lift and repl. of components of 500 KVA voltage stabilizer and allied works of tawi high lift pumping station respectively

Amount

Replacement of damaged components of 55,000 GPH x 30 mtrs. Head x 30 HP capacity VT pump unit 01 of Tawi Low Lift by way of dismantling of VT motor and extraction of column assembly one by one and loading into the vehicle for shifting to work shop for replacement of worn out components. Providing and fitting of G.M impeller – 2 Nos., G.M Neck rings – 3 Nos., G.M body bushes – 3 Nos., guide bushes – 3 Nos., impeller locking bush – 3 Nos., p/f of pump shaft of actual specification – 1 no. to VT pump assembly of pump and providing and fitting of nuts and bolts. Assembling of column pipes and line shaft one by one by providing and fitting of new rubber gaskets – 10 Nos. to ensure water tight flange joints, providing and fitting of new line shafts 25 mm dia. – 03 Nos., with assembly sockets – 05 Nos., SS sleeves – 04 Nos. and CI retainer assembly – 04 Nos. Extraction of damaged bearing–7214 –2 Nos. The job includes lowering of pump in the collection well along with loading, unloading, handling, transportation, testing and commissioning on full load. Complete job.

Replacement of damaged components of 500 KVA voltage stabilizer alongwith allied works at Tawi high lift by way of disconnecting all electrical connections and bypassing the power supply. Dragging out the stabilizer from Platform. Dismantling of voltage stabilizer by lifting the top assembly with the help of chain pulley block, extracting out of its main coil 3 nos., and voltage regulators – 3 nos., after dismantling all electrical connections. Complete rewinding of 2 nos. main transformer coils out of superior quality copper wire and insulated material as per original specification. Cleaning and refixing to the core after proper insulation. Providing and fitting of Rotary switches 2 nos. Reassembling the transformer assembly. Making connections of regulators with the transformer coils. Replacement of damaged internal control wirings, refitting of panel on transformer assembly and refixing of top assembly into the oil tank and dragging to the platform in the pumping room. Refitting the old T oil after cleaning and heating to remove moisture and carbon and topping up the level by adding 210 ltrs. Fresh T-oil. Making electrical connections. Complete job including cost of material, labour charges and testing the voltage stabilizer on full load

BEE AAR ENTERPRISES

G S ENGINEERING WORKS