Repair/ annual periodical maintenance of gates at Main Ranbir Canal and other distributaries in Kana Chak along with allied works, Repairs to 250 KVA Electrical Transformer along with allied works at LIS Lower Malpur and Replacement of damaged copper

Amount

Gate at 29000 Feeder Channel (6’-4”x7’) Repair to the gate of 29000 feeder channel near Kanna Chak. Job includes complete dismantling of existing winch machine from its installed position and then extraction of gates by means of chain pulley block, tripod stand and manual labour. Carriage/shifting of the dismantled gate to the workshop for carrying out necessary repairs by loading in the transport vehicle and then repairs to gate by means of cleaning of gate and removal of silt deposited on the gate leaf and then welding of broken joints, repairs to gate wedge support, welding gate leaf at damaged places by way of providing/fitting of M.S sheet of 6mm thickness of requisite size. Also repair to the gate frame by providing/fitting of ISMC 75x40mm as one no. vertical and one no. horizontal member supports by way of cutting /welding using superior quality electrodes, straightening of the tilted stem rod and rethreading of the same. Scrubbing and removal of old rust and then applying two coats of anticorrosive paint on both side of the gate. Job also includes lowering the gate to its closed position inside the channel using chain pulley block and tripod stand and providing and fitting of worm gear, nuts and bolts for mounting the gate on end of stem rod. Job also includes greasing of worm and pinion set of gears of winch machine and on all sliding surface and then complete assembling of winch machine along with support lugs on the ISMC platform by means of providing and fitting of nuts ,bolts and gate rubber seals as per the size of the gate . Job also includes application of two coats of anti-corrosive paint on all surfaces. Complete Job includes cost of material, tools and tackles charges, skilled / semi-skilled labour hire charges, hiring and carriage charges of welding set to site, hire charges of chain pulley block and tripod stand. RD-9500 (3’-6” x 4’-6”) Annual periodical maintenance of the Gate of Distributory RD-9500 by way of dismantling of manually operated winch machine by unscrewing/cutting of rusted nuts and bolts, extracting out the front plate of the winch machine. Unscrewing the rain protection pipe and the dismantling the top cover plate of winch machine. Extracting the gear mechanism and stem rod and cleaning the gear mechanism with appropriate cleaning agent. Checking of stem rod for its straightness and rethreading of the same. Assembling back the winch machine after greasing it properly. Connecting the stem rod to the gate structure and applying of grease to its threads. Lifting the gate to its maximum height to apply the grease to the sliding grooves. Providing & fitting of new nut, bolts & washers. Cleaning of gate surfaces with sand paper and making the surface smooth. Complete painting of gate structure and winch machine with one coat of anticorrosive primer and two coats of superior quality paint. Oiling/greasing of the movable parts. Checking the up and down movement of the gate. Complete job includes cost of material, hire charges of tools & tackles and charges on a/c of skilled labour required for execution of work. C/Job Distributory D9 head small gates (4’ x 4’) (03 Nos.) Annual periodical maintenance of the Gate of Distributory D8 Bakshi Nagar Pul by way of dismantling of manually operated winch machine by unscrewing/cutting of rusted nuts and bolts, extracting out the front plate of the winch machine. Unscrewing the rain protection pipe and the dismantling the top cover plate of winch machine. Extracting the gear mechanism and stem rod and cleaning the gear mechanism with appropriate cleaning agent. Checking of stem rod for its straightness and rethreading of the same. Assembling back the winch machine after greasing it properly. Connecting the stem rod to the gate structure and applying of grease to its threads. Lifting the gate to its maximum height to apply the grease to the sliding grooves. Providing & fitting of new nut, bolts & washers. Cleaning of gate surfaces with sand paper and making the surface smooth. Complete painting of gate structure and winch machine with one coat of anticorrosive primer and two coats of superior quality paint. Oiling/greasing of the movable parts. Checking the up and down movement of the gate. Complete job includes cost of material, hire charges of tools & tackles and charges on a/c of skilled labour required for execution of work. C/Job

Rebate on Old Parts

Repairs to 250 KVA Electrical Transformer and allied works at LIS Lower Malpur. Job includes dismantling of the transformer from HT and LT connections, lifting and lowering of the transformer from the platform on the ground with help of crane and manual labour and then shifting of the transformer to the workshop with help of mechanical transport. Opening of the top cover and taking out the old burnt/damaged copper coils from the casing of the transformer using chain pulley block and tripod stand and manual labour and then providing and fixing of new HV coils-08 Nos & reconditioning of LV copper coils-03nos. Job also includes removal of old damaged HT Bushes-03 nos. & LT Bushes-04 nos., damaged insulation, rubber gasket & providing and fixing of sundry items, new bush rods. Gaskets, internal insulation sleeves and tapping & then lowering of coils inside the sump of the transformer using chain pulley block and tripod stand and manual labour. Job also includes cleaning and de-moisturizing of the transformer casing ,giving heat treatment to the old transformer oil to remove any moisture content and providing and filling of new transformer oil (approx. 300 Its). Re-fixing the top cover with nuts and bolts of appropriate size and then loading and back shifting of transformer from workshop to site by means of mechanical transport and then mounting it on the platform with the help of crane, fitting at the appropriate place and then making connections on the HT and LT lines. Job also includes providing and fitting of aluminum thimbles on LT Cables, testing the continuity of each phase and securing all connections. Charging of the transformer for requisite time period to attain the proper meager value and then testing on load. Job includes rebate on account of old copper scrap, cost of material, labour charges, and hiring charges of the hydraulic crane. Complete Job

Rebate on Old Parts

Replacement of the damaged copper cable 25mm2 at LIS Manyal Brahmna of pumping unit no.2 from motor to starter. The Job involves removal of the old burnt out copper cables from motor to starter measuring approx. 60mtrs. and providing/fitting of the new cable of the same specification as per sample. The job also involves providing/fitting of copper thimbles as per sample along with other allied material at site. Job also includes making connections at motor side and starter by means of thimbling on each side of the cable with the help of crimping tool and then insulating them using cotton tape/insulation tape and using nuts & bolts of suitable size. Complete Job includes cost of skilled/semi-skilled labour, tools & tackles charges, hire and transportation charges. Complete job.

Rebate on Old Parts

PERFECT ELECTRICAL WORKS

NATIONAL ELECTRO-MECH COMPANY