MID/AN/57

Repair of 3 cusec discharge 10 mtr head HC pump unit no.02 installed at LIS Lower Manda. The job involves decoupling the pump from motor and further dismantling the pump top cover from its installed position & shifting of the pump shaft assembly by manual / mechanical means to workshop. Separating shaft, impeller and bushes. Providing/fitting of bearings (3310-2nos) at driving and non driving end . Providing/fitting of bushes (2nos.) as per sample. Making necessary repairs to bearing housing. 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. Complete testing of the pumping unit. 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/replacement of burnt out parts of 20 HP FASD starter of pumping unit no. 01 at LIS Lower Manda. The job includes disconnecting the power supply of the starter and replacement of the damaged/burnt 40 Ampere contactor (01 no.) by providing fitting of 01 no. new 40Ampere contactor (of reputed make), replacement of the damaged/burnt 63 Amp max Overload relay (01 no.) by providing fitting of 01 no. new 63 Amp max Overload relay (01 no.) (of reputed make), replacement of the damaged single phase preventor (01 no.) by providing fitting of 01 no. new single phase preventor (01 no.) (of reputed make). Providing and fitting of Providing/ fitting of new copper thimbles of suitable rating duly crimped and taped etc. Complete job with the cost of the material, transportation charges and skilled / semi skilled labour charges at the site of LIS. Complete Job

Repairs to 250 mm dia foot valve assembly of pumping unit no. 2 installed at LIS Lower Manda. 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

GS ENGG WORKS

BEE AAR ENTERPRISES