Restoration/Upkeepment of Electrical machinery of Lift Irrigation Station Langar Nowshera with allied works to make the LIS functional

Amount

Repairs to 100HP Auto transformer starter of unit no.1and 2 installed at LIS Langar. The job involves disconnecting all the electric connections of starter. Draining of ATS oil tank filled with water/mud, cleaning of tank, and drying. Dismantling of the damaged rusted coil and windings of 2 no. 100 HP ATS starter at site, carriage to workshop for repairs by using labour and mechanical transportation, washing of all parts by recommended chemicals to decarbonizes the parts due to rust. P/f of new windings and core for 2 No. damaged 100 HP ATS. Varnishing and drying the core and winding assembly 2 no. at workshop and then carriage to the LIS Langar by using transportation, Reassembling of the 2 no. Auto transformer Starter and reinstalling the same at its installed position. Job also includes providing and fitting of 2 no. 70 ampere contactors one each for ATS, rewiring the damaged control wirings of ATS panel. Providing/filling of of T.Oil (approx.60 Ltrs. In each) in the starter of unit No.1 and 2. Making all the electrical connections. job shall include head load, cost of material, transportation charges, labour required for execution the job. Rebate on old parts has to be provided by the executing agency on account of providing/ fitting of new parts/ components Complete Job

Repair to 250 KVA voltage stabilizer at LIS Langar. Job includes 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 heating treatment. Cleaning of all the 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 the core assembly after servicing in the voltage stabilizer casing. Providing /Filling up of fresh transformer oil measuring approx. 100 lts.for topping up after cleaning the tank and heat trating the oil to make it water free using suitable heat treatment method at site. Placing the top cover by providing/fitting of new gaskets, nuts and bolts. Providing/fitting of indicator lamps 2nos the job also includes p/f of 6m 3.5 core 240sqmm armored aluminum cable by cutting the damaged cable of approximately 8m length and fitting the new 6 m cable by thimbling both ends and connecting LT Panel with 250 KVA VS. 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 out station charges and carrying charges and carriage charges. Rebate on old parts has to be provided by the executing agency on account of providing/ fitting of new parts/ components Complete job.

Repairs to 250 KVA Electric Transformer installed at LIS langar. The job involves disconnecting the HT power supply & damaged Aluminium cables from the LT side of the Transformer, opening of top cover of the transformer by unscrewing bolts & nuts, lifting with chain pulley block and tri-pod stand, extraction of damage HV Windings for for one phase, P/f of new windings as per sample of damaged winding for one leg of transformer, Replacement of damaged HV bushes (3 no.) along with p/f of 3 no. new HV bush rod , and 4 no. LV bushes along with LV bush rod. The job involves placing the electric transformer back to its position using fixtures, angle iron, nuts and bolts in order to ensure proper and safe positioning it is to be done by way of using chain pulley block and labour. Providing and filling with 20 litres of T oil after draining the water mixed T oil out of tank and the demoistruizing it using heat treatemment and other methods. The job included cost of material labour charges and all types of carriages involved and hire charges of tools and tackles required for the job. Rebate on old parts has to be provided by the executing agency on account of providing/ fitting of new parts/ components Complete Job

M/S HITAISHI ELECTRICALS AND MECHANICAL WORKS

ROYAL ENGINEERING ENTERPRISES