Restoration of mechanical components along with other allied works at Lift Irrigation Scheme Zinda Peer

Servicing/Drying/Varnishing of 20 H.P. (2 Nos.) motor at LIS Zinda Peer 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 cables at the motor end and then connecting them properly by P/F of copper/aluminium thimbles of required size (as per requirements). Servicing of 2 cusec x 16 m head horizontal casing pump set coupled with 20 H.P 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 8 mm dia. For both the pumps 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. 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 having non-motorable approach path towards the pump room on rugged terrain, for execution of job, including the outstation charges etc. (Complete job).

Servicing/Repairs of 2-HP monoblock priming pump 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. P/F of 1 no. bearing as per sample. Complete assembling of pumps and its refitting back to its position at site for installation. The job also involves repairs/servicing to the suction and delivery pipes of priming pump, cleaning of mud/silt/debris from suction/delivery pipes and foot valves using special tools and tackles along with the replacement of worn-out/old foot valve (1 No.). The job also includes repairs / servicing to the flood effected/old sluice valve (2 No.) and non-return valve (2 No.) installed at the delivery side of the 2x20 HP motor pumps by way of dismantling them from the delivery pipe coupling 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, less cost of rebate on account of old damaged parts/scrap, transportation and other hire charges at site which is at Nowhera-Rajouri & also having non-motorable approach path towards the pump room on rugged terrain for execution of job, including the outstation charges etc. (Complete job).

Servicing/Repairs 2 Nos. to the flood effected 20-HP Auto transformer starter of unit no.1 and 2 installed at LIS Zinda peer. The job involves disconnecting all the electric connections of starter. Extraction of transformer coils from the tanks of each container, contactors/taps at site, washing of all parts by recommended chemicals to decarbonizes the parts due to rust. Cleaning of the ATS tank using recommended chemicals and dhoti cloth. P/f of new copper contactors/taps for both starters. P/f of new no volt coils. Varnishing, heating and drying the core & rewinding using new Copper wire of requisite grade for the 2 Nos. ATS coils using skilled labour. Reassembling of the 2 no. Auto transformer Starter and reinstalling the same at its installed position and making all the connections. Providing/filling of T.oil (approx.25 Litres) for both ATS to be provided by the department, in the starter of unit No.1 and 2. Complete Job includes cost of material, labour charges, installation charges, carriage, transportation charges, less cost of rebate on account of old damaged parts/scrap, hire charges of crane, shifting, testing and commissioning on full load at LIS.

Desilting of pump house of LIS Zinda Peer from inside and periphery of the pump room at LIS Zinda Peer caused due to heavy and incessant 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. 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. 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).

Servicing/repairs to 1 No. flood affected foot valve of 200 mm dia. and p/f of new foot valve of 200 mm dia. in place of damaged one at the suction sides by way of dismantling the flood effected foot valves & extracting the same submerged in silt by using chain pulley blocks along with skilled labour & then removing the silt and then cleaning of mud/silt from pipes and foot valves using special tools and tackles and chain pulley block. Assembling of the new foot valves Complete dismantling of foot valves clearing the silt from hinges of foot valve to unchoke them. Applying sufficient quantity of grease to hinges. Further cleaning of mud/silt/debris from the cutted suction pipes and foot valves using special tools and tackles. Providing/fitting of new leather washers cut to size, adjustment of flaps/plate with repairs to hinges. Reassembling the 1 No. repaired old foot valve along with suction pipes done by providing/fitting of new sheets and nuts, bolts etc. 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. Complete job includes cost of material used and labour charges for skilled and semiskilled labour employed, safety provisions, transportation, less cost of rebate on account of old damaged parts/scrap and other hire charges at site.