Restoration of electro-mechanical components along with other allied works at Lift Irrigation Schemes Zinda Peer and Bindala Mang at district Rajouri

Desilting of pump house of LIS Zinda Peer from inside and periphery of the pump room at LIS Zinda Peer caused due to flash flood submerging the whole pumproom up to roof level within the flood water, 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. The job has to be executed by engaging labour 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 equipments from the outer surfaces as well as inner surfaces including all the small components hosted by the equipments. For cleaning purpose cotton, dhoti cloth, oil and specially recommended chemicals is to be used. 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. The job further involves Provide and fitting of 2 No. centre locks at the entrance rolling shutter of pump room at LIS Zindapeer by way of providing of DG set at the site using manual labor & mechanical transportation. The job further involves electric arc welding of the 2 No. centrelocks at the base of the shutter at equidistant from the two side ends by using DG set as the energy source for welding set. The job further involves digging of 2 No. pits for installation of 2 No. clamp locking frames and fixing them using cement concrete mixture within the pits for the 2 No. welded centre locks. Complete job includes cost of material used and labour charges for skilled and semiskilled labour employed, safety provisions, transportation and other hire charges at site which is at Nowshera-Rajouri & also non-motorable approach on rugged terrain from the nearest village for execution of job, including the outstation charges etc. (Complete job).

Reconditioning of 2 cusec discharge, 16 m Head H.C pumps coupled with 20HP Motors (2 No.) with allied works at site of LIS Zindapeer which was affected in the flash floods. The job involves disconnection of motors, dismantling of the pumps, de-coupling from the motor and suction delivery lines at site, P/F of new gland packing 12 mm dia. with nuts, bolts and rubber sheet. Applying sufficient amount of grease including gland packing to avoid excessive wear and tear. 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 via DG set and then applying two coats of varnish and drying each coat by hot air process. Fitting the rotor and complete greasing of bearings properly. Providing/Fitting of new 2No’s bearings as per sample to both motors of pumping units at D.E. which were damaged due to rust from flooded water. Refitting bearings in housings, greasing properly and reassembling the motors. Reinstalling the pumps and motors at their installed position. Job includes proper fitting of pumps and motors on base frame, leveling and alignment of pumps and motors after fitting of coupling pulley sets. Servicing/Repairs of 2 HP monoblock priming pump at LIS Zindapeer set by way of dismantling of the pumps, de-coupling from the motor and suction delivery lines at site, P/F of new gland packing 4 mm dia. with nuts, bolts and rubber sheet. Applying sufficient amount of grease including gland packing to avoid excessive wear and tear. 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. Complete assembling of pumps and its refitting back to its position at site for installation. Providing/fitting of 50mm dia. foot valve in place of flood affected one. Complete job includes cost of material used and labour charges for skilled and semiskilled labour to be employed at site for execution of job, transportation charges etc.

Repairs to 25 KVA electric transformer installed at LIS Bindala Mang by way of disconnecting of HT & LT connections from the transformer. Removing the top cover after unscrewing all the nuts and bolts along with dismantling of HT & LT bush rods. Taking out the coil assembly using chain pulley and other allied tools and tackles. Draining out of transformer oil from container at site. Carriage of coil assembly to the road side using tools, tackles and manual labour through hilly train. Loading in mechanical transport for further shifting to the workshop for repairs. Dismantling of coils in the workshop and further providing & rewinding of new HV coils for two legs with AL wire of requisite specification as per original design and varnishing complete. Dehydrating and drying the coils in the oven. Then carriage back of newly wound coils sets along with other materials at the site of installation. Desludging and Filtration of old Toil within the transformer by using heat treatment process at site and cleaning the tank for dust and other oily substances, cleaning the core assembly with kerosene oil and then after drying lowering it in the transformer tank. P/f of 3 No. HT bush rod assembly and 4 No. LT bush rod assembly with insulator and rubber sheets using skilled labor. Fitting of newly rewound coils to the legs of the coil assembly and fitting of core along with making connections to the coil assembly. Lowering of the coil assembly in the container after making proper connections. Filling of the filtered/ Heta treated T oil and topping up with new 40 litres of new Toil to be provided by the department. Complete assembling of the transformer. Making all electrical connections on HT and LT side. Checking for continuity, commissioning and testing of transformer at site. Complete job includes cost of labor, material, handling, shifting, carriage and testing at site.

Extraction of damaged burnt and worn out 3.5 core cable from transformer LT side to main switch and Provide and fitting of new 70 mm² single core XLPE insulated 3.5 core Aluminium cable (25 m approx.) of reputed make at LIS Bindala mang, in place of damaged burnt/worn out existing cables laid between the LT side of the transformer and main switch by way of disconnecting LT supply from transformer side after removing removal of rusted thimbles along with cable from main switch output and then removing the other end from electric transformer by cutting the rusted thimbles with cutter. The job further includes P/F of new thimbles on new 3.5 core Aluminium cable after preparing all the eight ends for connection from electric transformer to main switch and from using appropriate tools and tackles and securing and tightening properly at suitable ends using cotton tape etc. testing on no load for checking the continuity of phases and the testing on full load. The job includes cost of material, carriage, skilled and semi-skilled labour, hire charges of tools and tackles required at site for execution of job (Complete job).

Repairs to 2 Nos choked foot valves 200mm dia. of L.I.S Bindala Mang done by way of dismantling of foot valves along with choked suction pipes and cleaning of mud/silt from pipes and foot valves using special tools and tackles. Complete dismantling of foot valves and then providing/fitting of new leather washers cut to size, adjustment of flaps with repairs to hinges. Reassembling the foot valves along with suction pipes by providing/fitting of new R.I sheets and nuts, bolts etc. Repairs to the priming pump’s suction side by Providing / fitting of 1 No.control valve in place of old damaged valve. Providing/fitting of 50mm dia. foot valve in place of flood damaged one along with replacement of wornout nuts, bolts, rubber sheet. Complete job included cost of material used and labour charges for skilled and semiskilled labour employed at site for execution of job including the outstation charges etc. Complete job.

Servicing of 1.5 cusec x 16m head horizontal casing pump set coupled with 20 H.P motor, 2 No.s at LIS Bindala Mang by way of dismantling of the pumps, de-coupling from the motor. Dismantling the pump at site P/F of new gland packing, nut bolts, rubber sealings 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 pump set after carrying out necessary repairs. Re-assembling of pump set at site. The job also includes Servicing of motor of 20H.P (2 nos.) by way of opening of side covers with the help of tools & tackles/manual labour and then extraction of rotor. Cleaning the stator and applying two alternate coats of varnish and drying each coat by hot air process. Fitting the rotor and greasing of bearings properly. Fitting the end covers. Fitting the cable ends at motor side and thimbling them properly by P/F of new copper thimbles of required size. The job also includes repairs / servicing to the old sluice valve (2 No.) and non-return valve (2 No.) 150mm installed at the delivery side of the 2x20 HP motor pumps at LIS Bindala mang by way of using appropriate tools and providing new washers & spare parts in place of worn out/ damaged ones. Cleaning and greasing with requisite materials and then assembling them back with the delivery pipes. Complete job includes cost of material used and labour charges for skilled and semiskilled labour employed, safety provisions, transportation and other hire charges at site & also having non-motorable approach path towards the pump room on rugged terrain for execution of job, including the outstation charges etc. (Complete job).