Restoration of Suction lines damaged due to flash floods in month of August 2025 along with allied works at LIS Miari

Amount

Repairs to the suction pipes by cutting the rusted damaged nuts and bolts with cutter/gas welding for extraction of pipe and removal of damaged flanges by cutting them from the pipes with gas welding/cutter at site. P/f and welding the MS flanges as per sample 6 No. to the suction pipes for both units. Joining the pipes using rubber sheet and new nut and bolts. The job further includes providing, fitting and installation of 2 Nos. 200 mm dia foot valves for pumping unit no. I and II by way of welding new flanges as per foot valves sample/size to 2 No. 200 dia MS suction pipe piece and installing both foot valves on each MS suction pipe end by p/f of appropriate no. of nuts, bolts and rubber gaskets as per size. Job further involves lowering of the foot valves along with suction piece by using chain pulley block and skilled labour, joining of the bends and the suction pipes by bolting via flanges with appropriate no. of new nuts and bolts. The complete job includes cost of material, handling of material, labour charges (skilled and semiskilled), hire charges of tools and tackles used

Desilting of pump house from inside, periphery and approach pathway to the pump room caused due to heavy and increscent rainfall/flood, which has resulted intensive accumulation of sand/ silt and other unwanted material thus causing heavy damage to the installed existing electro mechanical components. The job further involves clearance of sand, silt and unwanted material from inside the pump room. Further removing of wooden blocks, bushes, stones and pebbles from periphery and alongside the approach path ways. The job has to be executed by engaging labor and necessary tools and tackles. The job also involves throwing away of wooden blocks, silt, sand and stones and other unwanted materials away from the pump house at certain distance from the site at a suitable place. The job has to be executed by way of engaging labour/ handcart and other necessary required tools and tackles. The job further involves cleaning of electro –mechanical equipment from the outer surfaces as well as inner surfaces including all the small components hosted by the equipment. For cleaning purpose cotton, dhoti cloth, oil and specially recommended chemicals is to be used. As such dust & dirt because of floods has caused the scratching off painted surfaces of electro-mech equipment. The job also involves clearing the bushes and other unwanted weed from and around the pump room using manual labour. Removal of bushes and silt and logs from the suction sides, clearing the stair case of silt for accessing foot valves. The complete job involves cost on account of both skilled and semi-skilled labour, cost of materials used cost of necessary tools and tackles required, hire charges and carriage charges.

Servicing of 75 HP motor Unit II by way of opening of side covers then extraction of rotor & stator. Cleaning the stator and rotors, drying the windings using heater/ hot air in controlled way so as not to damage the windings due to heat for two to three days intermittently and then applying two coats of varnish and drying each coat by hot air process. Fitting the rotor and complete greasing of bearings properly. Fitting the damaged cable ends at motor side after repairs and then thimbling them properly by P/F of copper thimbles of required size. Servicing of 3 cusec x 38 m head horizontal casing pump set unit II coupled with 75 HP motor by way of dismantling of the pumps, de-coupling from the motor and suction delivery lines at site, P/f of new gland packing 10mm dia with nuts, bolts and rubber sheet after cleaning the gland bushes and gland plate sets, applying sufficient amount of grease including gland packing to avoid excessive wear and tear. Complete assembling of pumps and its refitting back to its position at site for installation. The job further includes coupling the pump and motor for both units, checking for alignment and testing on full load. Job involves cost of materials, labour charges both skilled and unskilled labour and hire charges for tools and tackles, transport charges, and testing of pumping unit at full load. Rebate on lod parts has to be provided by the executing agency on account of providing/fitting of new parts/components.

Repairs to 250 KVA voltage Stabilizer damaged due to flooding by disconnecting all the electrical connections from the voltage stabilizer and then opening the top cover and extraction of core assembly from the stabilizer with the help of chain pulley block and labour. Draining out of the water mixed T-oil from the stabilizer using. Cleaning of all the coils with recommended chemicals. Servicing/varnishing of all the three coils with recommended chemicals. Servicing/Varnishing of all the three coils by way of applying varnish to them and drying them completely using heating process for at least two days on intermittent heating. Cleaning of the tank of voltage stabilizer by way of recommended chemicals using oil, dhoti cloth, cotton. Lowering of the core assembly after servicing in the voltage stabilizer casing. Providing/filling up of fresh transformer oil measuring approx. 550 litres Approximately(to be provided by department after cleaning the tank and heat. Placing the top cover by providing/fitting of new gaskets, nuts and bolts. p/f of 1 no. Voltmeter, 1 no. rotary switch as per sample and new MCCB 400 amp in place of damaged one. The job includes cost of materials and labour charges for the execution of job at site. It also includes hire charges of tools and tackles used including the outstation charges and carrying charges and carriage charges.

Repairs to 75 HP Starters 2 No. by dismantling of all the damaged parts by p/f of new contact points, fixed and moving. Repairs to the moving mechanism of both the starters by p/f of sleeve to the moving rod. P/f of no volt coils. Reassembling of all the parts of the starter. Shifting back to the site and fitting back at the installed position. Making the electric connections done and then testing of starter on no load and then on full load. Complete job includes cost of material and labour charges which includes carriage and handling charges.

M/S K S ENGG WORKS (BID ID -2626220)

M/S FASTTRACK ENGINEERS (BID ID -2626428)