Repair to 10000 GPH x 21-29 meter head submersible mono bloc pump sets-2nos. alongwith allied electro mechanical works and repair to 70 ampere LT control panel cum fault analyzer installed at pumping station Chenani stage-0 (new).

Amount

Repair to 10000 GPH x 21-29 meter head mono submersible pumps-2nos. installed at Chenani stage-0 (New) by way of extraction of damaged mono submersible pumps by drawing out MS pipes one by one manually by using chain pulley block and shifting both the units to workshop. Dismantling and extraction of the internal assemblies from the pumps and providing and fitting of new components viz., thrust pads-02 nos., cast iron impeller-2nos., check nuts-2nos., bracket-4nos. as per size and specifications of old sample. Complete rewinding of 5 HP motor of each unit alongwith remetalling and finishing of rotor shaft together with fabrication and fitting of stainless steel shaft sleeves-2nos. at NDE and DE. Assembling of complete units. Shifting back the mono bloc pumps to the pumping station and then lowering in the Tawi River. Extraction of damaged / washed away pipes and thereafter lowering of new mono submersible pump set in the source by providing /fabrication and fitment of GI pipes, adopters with flanges, nuts and bolts, bends etc. as per size and specifications of the mono bloc in lieu of damaged / twisted components complete with gas cutting and welding work using superior quality electrodes including connecting with the rising main. Testing the pump sets on full load. Job includes the cost of material, labour charges, hire charges of tools and tackles etc. Rebate, if any, should be quoted by the firm separately. (Complete job)

Repair to 70 ampere LT control panel cum fault analyzer cum automatic star delta starter cum protection panel installed at pumping station Chenani stage-0 (new) by way of dismantling of all the incoming and outgoing power cables from the panel and shifting to workshop. Extraction of damaged solid state fault analyzer cum controller (CB4SA) unit, worn-out main power contactor MNX 70-1no. and wornout star power contactor MNX-50-1no. from the control panel assembly. Providing and fitting of new fault analyzer unit of same size and specifications, 3 pole main power contactor MNX-70-1no., 3 pole star power contactor MNX-50-1no. Making and fixing of new PVC copper cable jumpers with copper thimbling at each end-2nos, p/f current transformer-2nos., fuse holders-3nos. Making of the complete internal control wiring afresh with flexible PVC copper wire of appropriate rating with proper thimbling and then shifting the same to the site. Fitment and testing of the equipment, without load and thereafter on full load. The job includes the cost of material, labour charges, hire charges of tools and tackles etc. (Complete Job). Rebate, if any, should be quoted separately.

KHALSA ENGG. WORKS

TARSAIM ELECTRICAL WORKS