Repairs to 45 cusec V.T pump having Dynamic head 12 Mtr of lift irrigation scheme Janbazpora-I unit no. III.

Amount

Dismantling of 45 cusec V.T pumping unit no 01 of lift irrigation scheme janbazpora-I having dynamic head 12 Mtr. to rectify the defect by way of decoupling of motor from coupling with the help of skilled labour, heavy tools & tackles. The job includes the charge for carefully opening of small parts like Ratchet pin, Washers, coupling pin, pump coupling, coupling nut, lock nut, bearing nut, drainage of unused M-oil carefully in separate container from oil retaining tube, etc. The job then includes the charge for dismantling of bearing housing, discharge head column pipe 01 No with the help of skilled labour, heavy tools & tackles by way of opening nuts & bolts, then carefully dismantled head shaft from muff coupling by using Ln key set. The job then involves extraction of second & third column pipe, extraction of Bowl assembly, Suction bell mouth, strainer with the help of skilled labours. Extra per additional Dia 300 mm column pipe over corresponding column pipe size (two Pipes).

Providing of Graphite Packing for Two Pumping unit as per sample.

Repairs to Damaged 750 mm dia M.S Flap valve to avoid apprehension to human life (Swimming children’s) during back pressure when the pumping units stops due to shutdown of electricity, by way of extraction of Flap valve from the delivery sump with the help of skilled labour, then shifting it to working area. The job includes the charge for repair to hinges, weight plate & welding to damaged area by way of welding /patching etc. for the completion of work. The job also includes the charge for p/f of new washers, nut & bolt, as per site requirement for the completion of work. After proper repair of Flap valve hinge at site, fitted it properly back to its actual position and tested on full load. The job includes the charge of D.G set, welding set, gas cutter, electrodes etc. for the completion of work. The Job also includes repairs to 750 mm Dia MS NRV Weight plate/Hinges installed at Y-Junction by way of opening the NRV at site with the help of skilled Labour and then carefully opening the damaged hinge along with nut and bolt. Then Job then includes the charge for repair to hinges, weight plate & welding to damaged area by way of welding /patching etc. for the completion of work. The job also includes the charge for p/f of new washers, nuts& bolts (04 kg), as per site requirement for the completion of work. After proper repair of NRV at site, fitted it properly back to its actual position and tested on full load. The job includes the charge of D.G set, welding set, gas cutter, electrodes etc. for the completion of work.

M/S STAR ELECTRICAL ENGINEERING WORKS (BID ID -2376954)

M/s BUHROO MECHANICAL WORKS (BID ID -2376961)