MID/J/46 (Zanihal District Ramban)

Dismantling the 60 HP motor from the base frame after decoupling it from the pump of 2 cusec discharge and then dismantling the pump from the base frame of Unit-III at LIS Zanihal. Carriage of pump and dismantled motor to roadside using tools and tackles with the help of manual labour passing through nallah and hilly terrain (approximately 800 mtrs). Loading in mechanical transport for shifting to workshop for repair and carriage back to the lift station in the same manner after conducting necessary repairs. The job includes the cost of manual labour, hire charges of tools and tackles, carriage charges through head load and mechanical transport (to & fro). Repairs to 2 cusec discharge, 45 mtrs head pump at workshop by way of dismantling it for extraction of old damaged and worn-out parts i.e. bearings, sleeve, check nut, gland packing, gasket, gland bushes, pump shaft and impeller. Repair to impeller by brazing, turning and finishing to size. Repair to pump shaft of stainless steel by welding, turning, machining, threading and finishing to the required size. P/F of 1 No. gland bush, 1 No. check nut, 2 Nos. bearings and sleeves. Re-assembling all parts of the pump with proper greasing and suitable gland packing and oil paper. Fabrication of new gland set and P/F of new rubber star cushioning for star coupling as per sample. Job includes cost of material, labour charges, installation and testing on full load condition at LIS Zanihal. Repairs to 60 HP Star Delta starter of Unit-III by extracting the damaged/worn-out parts. Providing and fitting of no-voltage coil, overload relay, moving and fixed contacts. Repairs to tripping system by brazing and finishing to required size. Replacement of worn-out thimbles by cutting the burnt ends of cables and P/F of thimbles of appropriate rating/sizes. Topping up transformer oil by 06 litres. Complete job including cost of material and labour charges at LIS Zanihal. Repair to 8" foot valve of Unit-III by dismantling the foot valve from the suction line through cutting/unscrewing the nuts and bolts and extracting the foot valve from the sump tank using tools and tackles with the help of manual labour. Dismantling the foot valve and replacing the leather sheet of appropriate size with required nuts and bolts. Fabrication of new flapper plate and hinge as per sample and fitting it at site using requisite tools and tackles. Assembling back the foot valve and lowering it into the sump tank using tools and tackles with the help of skilled and semi-skilled labour. Fitting the foot valve back to the suction line by providing rubber sheet joint for flange cut to appropriate size along with new nuts and bolts of required sizes. Complete job includes cost of material, labour charges and testing on full load. Repair to 60 HP motor at workshop by extraction of burnt/damaged windings, cleaning of stator slots and complete rewinding of the motor with new copper wires of requisite gauge and specifications of standard make. Providing and fitting of new insulation, packing material, then varnishing with superior quality varnish and drying in oven under controlled temperature. Repairs to rotor of motor of Unit-III by providing and fitting of new bearings (DE & NDE), greasing, making of new sleeves and finishing to bearing size, making new keyway and finishing of coupling, providing and fitting of bearing end cover sleeves, repair to connection plate along with complete greasing of bearings. Assembling the rotor and stator. The job also includes P/F of new thimbles after cutting overheated ends with the help of crimping tools. Making all electrical connections and testing on full load at site. Complete job including cost of material and labour charges. The job also involves repair of bypass priming system on reflux valve of 250 mm, including 40 mm dia pipe (approximately 1 ft long), 02 Nos. bends, 01 No. union, 01 No. nipple and 01 No. ball valve of the same diameter by cutting, welding and fitting the ball valve. Complete job includes cost of material, labour charges, hire charges of tools and tackles, loading & unloading, carriage, testing, installation and hire charges of the crane used during the execution of the job.

Rebate on Old Parts