16/MID/AN

Repairs to MS suction pipeline of pumping unit no. 01 installed at LIS Kotgarhi LL . The job involves extraction of the 150 mm dia suction pipeline by engaging manual labour , required tools and tackles etc. as per site conditions . The Job involves dismantling of the suction pipe by using manual labour and cutting the rusted nuts and bolts by gas cutter, suitable tools and tackles . There after repairs to suction pipe by way of welding of leaking section in double layers from all around and providing / welding of M.S plate collar (suitable thickness) as overlap joint for strengthening. Welding with one root layer and two additional layers with 3.14 mm and 4mm I.S marked M.S welding electrodes to fill the grooves between the pipe, welding to be done by specialized skilled workman , handling with proper tools , tackles, employing semi-skilled workman and suitable tools /tackles. The weld should be spurt and gap free and to be done with good quality electrodes and slag material to be chipped off. Fitting of suction pipes fastening the flanges by using new , bolts and washers.Testing for any leakages. Complete job includes cost of material, hire charges of welding set and diesel generator set, labour charges, manual handling, transportation charges and hiring charges of tools and tackles. Complete Job

Repairs to 400 Amp main switch installed at LIS Kotgarhi LL by way of dismantling it after disconnecting the power cables on both input and output side. Dismounting the main switch. Carriage / shifting of the main switch to workshop. Replacement of damaged circuit (breaker) fuses of requisite rating, copper thimbles, bakelite strips, moving (engaging /disengaging) assemblies/contactors and nut bolts etc. Adjustment of off / on switch/ arm. Assembling of the Main switch and shifting to the site of LIS. Fitting the main switch at designated place, connecting the cables by replacement of burnt / damaged thimbles on both input and output side. Testing the main switch on no load and then full load. Complete job includes cost of material , labour & transportation charges Complete Job

Repairs to 150 mm foot valve assembly of pumping unit no. 1 installed at LIS Kotgarhi L/L. The job involves disconnecting / dismantling of the foot valve assembly from the suction pipe by deploying manual labour and allied tools & tackles. Shifting / transporting to the workshop. Cleaning by washing with water to make the foot valves completely silt free. Fabrication/fitting of new flap plate and flap as per sample. Providing / fitting of new rubber washer cut as per size of the flap plate. Reassembling the foot valve and transporting back to the installation site at LIS. Fitting the valves to the respective suction line with replacement of damaged rubber gaskets of flanged joints and worn-out nuts, bolts etc. Complete job including cost of material, labour charges, transportation charges and hire charges for tools & tackles. Complete Job

Repairs to 3.5 cusec , 36 metre head HC pump unit no. 01 at LIS Badyalachak. The job involves decoupling of pump from motor . Further dismantling the pump & shifting of the pump shaft assembly by manual / mechanical means to workshop. Complete dismantling of the pump assembly. Rebuilding of impeller by using good quality electrodes. Turning/machining of rebuild impeller on lathe machine for proper size . Providing / fitting of two nos. bushes and two no. bearings (6309-2 nos.) as per sample to the pump.. Assembling of the pump parts. Carriage / transportation of the pump assembly back from workshop to the site of installation at LIS. Fitment of pump along with replacement of rusted / damaged studs, gaskets, alignment setting at its position, p/f of gland packing, greasing work etc. Aligning & coupling the pump & motor. Complete testing of the pumping unit on full load. Job includes cost of all material, transportation charges, head load and labour charges for skilled/semiskilled labour, hire charges for tools & tackles. Complete Job

M/s RK Elect. Mech. Engg and fabrication works

M/S K S ENGG WORKS