MID/AN/29

Repair/strengthening of regulatory gate at DO 44000 gate installed on New Pratap canal . The job involves providing / fabrication / fitting of new winch machine ( 3 Ton capacity) complete with stem rod , cover, rain pipe . Strengthening of the gate structure at site by providing and welding of angle section stiffeners of same specifications as per requirement in lieu of damaged ones. Shifting of the material to site, followed by fitment of the winch machine on the hoisting, lowering of the stem rod, fastening and aligning it with the gate for smooth uni-axial vertical up and down travel and testing the complete system. The job includes cleaning of the newly provided winch assembly and repaired gate structure with emery paper followed by application of one coat of red oxide primer and two coats of paint and also greasing work.The job covers the cost of hire charges of tools ,tackles, welding rod, gas & oxygen cylinder, labour charges, fabrication charges, cost of material, to & fro carriage charges etc. Complete Job

Reconditioning of DO 56000 on installed at NPC . The job involves dismantling it from its hoisitngs and extraction of gate using crane and manual labour from the embodiment blocks. Providing / fabrication / fitting of new winch machine ( 3 Ton capacity) complete with stem rod , cover, rain pipe The job involves strengthening to leaf by patch welding of new MS sheet 6 mm thick, assembly of the gate at site . Shifting of the material to site, followed by lowering of gate structure in the embodiments, fitment of the winch machine on the hoisting, lowering of the stem rod, fastening and aligning it with the gate for smooth uni-axial vertical up and down travel and testing the complete system. The job includes cleaning of the winch assembly and gate structure with emery paper followed by application of one coat of red oxide primer and two coats of paint and also greasing work.The job covers the cost of hire charges of tools, tackles, welding rod, gas & oxygen cylinder, labour charges, fabrication charges, cost of material, to& fro carriage charges etc.

Repairs to Sluice Valve ( 150 mm dia) of pumping unit no. 02 installed at LIS Mukeri. The job involves dismantling of sluice valve from its installed position by way of unfastening/cutting of all rusted nut & bolts with the help of gas cutter/suitable tools &tackles and shifting to workshop. Complete dismantling of sluice valve. Extraction of stem rod with nuts and flap. Fabrication of new stem rod as per the size of the old stem rod. Fabrication of new nut as per sample. Complete assembling of sluice valve and providing of new gland and rubber packing .Shifting of valve to the site of LIS and fitting by P/F of new nut, bolt and washer replacing all worn out nuts/ bolts. Testing and commissioning. Complete job includes the cost of material, labour and transportation charges to and from the LIS.Complete Job

Repairs to 06 cusec discharge 36m head horizontal centrifugal pump no . 02 installed at LIS Nazlachak. The job involves de-coupling of pump from the motor and removing top cover of the HC pump, extracting the internal impeller assembly together with bearing brackets and shifting the same to workshop by using mechanical transport. Complete dismantling of the impeller assembly in the workshop. Rebuilding of impeller by using good quality electrodes. Turning/machining of rebuild impeller on lathe machine for proper size . Repairs to shaft at damaged spots by applying new material so the shaft should be balanced then finishing to proper size. P/F of 2-No bushes & 2-No bearings (6309). Greasing of all the parts . Re-assembling of impeller shaft assembly & shifting back to L.I.S. Fitment of impeller shaft assembly in the pump at proper position & closing the top cover by p/f of new nuts, bolts, washers and packing. Providing / fitting of gland packing, greasing work . Thereafter coupling with motor, alignment setting, testing of pump on load. Complete job includes the cost of material, labour charges, to and fro carriage charges, hire charges of tools and tackles, out station charges etc. Complete Job

R K Electrical and Engineering Works

Chargotra Trading Co.