MID/AN/101

Repairs to 06 cusec discharge horizontal centrifugal pump no . 01 installed at LIS Nariana. 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

Providing/fitting of 200 mm diameter Foot valve at LIS Nariana. of pumping unit no. 01 after replacing the existing damaged foot valve by way of extracting of foot from the Canal by cutting flange ,rusted nuts, bolts with gas cutter by using manual labour and suitable tools & tackles. The job involves shifting of 200mm dia foot valve to site of LIS by using mechanical transport and manual labour . The job also includes lowering of the foot valve into the Canal and fitting of foot valve on the suction pipeline of pumping unit with rubber gaskets , nuts and bolts by using skilled labour and suitable tools & tackles. The job includes the cost of material, carriage and hire charges of material and tools and tackles required for the job, labour charges for skilled and semi skilled labour at site L.I.S.

Repairs to 5 cusec discharge, 36 m head H.C Pump unit no. 02 installed at LIS Nud.The job involves removing the pump top cover , extraction of pump shaft assembly & shifting of the pump shaft assembly by manual / mechanical means to workshop..Providing / fitting of 2 no. bushes and two no bearings ( 6310 ). Repair to bearing brackets.Providing/fitting of neck rings as per sample. Assembling of the pump parts. Carriage / transportation of the pump assembly back from workshop to the site of LIS. Fitment of pump along with replacement of old damaged studs, gaskets, alignment setting at its position, p/f of gland packing, greasing work etc. Aligning & coupling the pump & motor. Job includes cost of all material, transportation charges, head load and labour charges for skilled/semiskilled labour, hire charges for tools & tackles. Complete Job

Repairs to 7 cusec discharge 21 mtr head HC pumping unit no. 1 along with allied works at LIS Aryanpura . The job involves decoupling of pump of unit no. from the motor and removing the top cover, extraction of shaft and impeller assembly together with bearing bracket by using suitable tools & tackles and skilled technicians..Carriage of the impeller shaft assembly by using manual labour, loading in transport vehicle, carriage to the workshop in the mechanical transport for repairs. Repair to impeller shaft assembly at workshop by way of dismantling and extraction of damaged parts. Job includes repairs to pump shaft and impeller at damaged spots by way of remetaling then finishing to proper size so the shaft and impeller should be balanced. Providing and fitting of 2 nos. bearings (6410-2 nos.). Providing and fitting of new bushes-2 Nos., neck rings ( 2 nos.) as per sample and applying sufficient amount of grease to avoid excessive wear and tear. Fabrication of glands and studs with nuts. Repair to bearing brackets. Re-assembling of impeller shaft assembly and shifting back to site and there after lowering at proper position, placement of oil seal and closing the top cover along with P/F of new nuts,bolts and studs. Coupling the pump with the motor . P/F of gland packing .Priming the pump .Testing the pump on full load . The Job includes cost of material, labour(skilled and unskilled), loading charges, hire charge of tool and tackles, to and fro carriage charges.

Repairs to 300 mm dia foot valve assembly of pumping unit no.2 installed at LIS Aryanpuira . 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. After drying them completely, carrying out necessary repair works on the valve surfaces and flanged joints by welding using good quality electrodes. Dismantling of damaged / worn-out foot valve mechanism with flap & rings etc. Complete repair to the damaged flap plate and strainer by way welding. 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 lines 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

M/S TRIKUTA ELECTRICAL AND MECHNICAL WORKS

M/S K S ENGG WORKS