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Requirement :
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Name of work operation and maintenance of distribution system including rising main pipeline (ci/di/ac/ms/gi/upvc/hdpe) with other different components - opening & closing of all the different dia sluice valves (80 rum dia to 350 mm dial on different, places along the alignment of the rising main and distribution main at different places over the, command area daily as and when required for regulating the supply of water and distributing', water all over the command area smoothly including changing and restoration of gland packing of, sluice valve, air valve if required including opening the cap / plug of wash out point or opening the, sluice valves including de-jointing flange joints (80 mm to 350 mm dial including repairing works, and cleaning the pipeline or changing of gate, spindle or liner etc. of sluice valves all complete, , restoration works to be done including earth work in the excavation bailing out of water, re-filling, the excavated earth, taking out of rcc slab or slab cover and refaxing true to position etc. all, complete as per the specification and direction of eic., for operation of valve & iron elimination plant., 1) minimum basic payment for wages @ rs. 465.00/day shall be made by agency to the, individual engaged for this item., 2) the agency concerned shall also pay esi contribution (employer) @ 3.25% on the basic, wages., 3) the agency concerned shall also pay epf contribution (employer) @ 11% on the basic, wages., 4) the agency concerned shall also pay bonus @ 8.33% on the basic wages., n.b. please see the special clause against this item in tender document., arrear payment for operation and guarding of (with effect from 01/03/2023 to 31/10/2024), arrear payment for operation and guarding of (with effect from 01/01/2024 to 31/10/2024), labour charges for repairing the bursting / danage / leakage of 80 mm dia 200 mm dia a.c pipe, line with detachable joints including earth work excavation tracing out the actual position of brust/, leak, cutting pipe equired length, refitting the same with new pipes and old / new detachable, joints after chieselling and shapig the pipe, bailing out water from trenches and refilling the, trenches to its original condition all complete as per direction of eic (extra a.c pipes and, detachable joints with rubber ring, nuts and bolts etc will be supplied from the scheme store., surplus and uniserviceable pipes and specials will have to be returened to the same store. the, rates are inclusive of carraige to site of work and back carraige of materials to and from scheme, store as mentioned above), a) 80 mm. dia to 125 mm dia., b) 150 mm dia to 200 mm dia, extra repairing charges over item no 2 for changing of gland packing of sluice valve/air valve with, supplying of gland packing grease etc. bailing out of water including removing the top cover slab, of vaive chamber and refixing the same after completion of work as per direction of eic, i) 80mm dia to 125 mm dia., ii) 150mm dia to 250 mm dia., i) 300mm dia to 350 mm dia., repairing of flage joint after dismatling the joints, removing the unserviceable rubber insertion, and supply new rubber insertion and supply upto 50% of new nuts and bolts all complete, including necessary earth work dewatering etc all complete as per ditrection of eic., a) 80 mm. dia to 100 mm dia., b) 125 mm dia to 200 mm dia, c) 250 mm dia to 350 mm dia, d) 400 mm dia to 500 mm dia, repairing of air valves by changing the ball with changing the requisite nuts and bolts and rubber, insertion all complete as per direction of eic, making barricading for protecting the trench to avoid any accident including making arrangement, of road light during the night., making lighting arrangement for continuation work during night including all charges (applicable, exclusively for emergency situation and as per direction of eic.), renewing lead joint to ci pipes and specials and spun yam 'including reusing 60% of old and, using 40% new lead of approved quality new span yam and caulking the same properly including, labour charges for dismantling the existing damaged portion complete as per direction of eic., approved quality lead, spun yarn, fuel and other materials will be supplied by the agency, including necessary earth work in exacavation & back filling in same trenches (lead if supplied, by the department will be recovered @ 145/- per kg) nb-this item will be executed as per, specific direction of eic., a) 80 mm. dia to 150 mm dia., b) 200 mm dia to 250 mm dia, c) 300 mm dia to 350 mm dia, d) 400 mm dia. with supply of 10.80 kg lead & 750 gms yarn to each., e) 450 mm dia. with supply of 12.20 kg lead & 950 gms yarn to each., f) 500 mm dia. with supply of 15.00 kg lead & 1.00 kg. yarn to each., g) 600 mm dia. with supply of 19.00 kg lead & 1.20 kg. yarn to each., h) 700 mm dia. with supply of 22.00 kg lead & 1.35 kg. yarn to each, (i) carrying charges of materials m.s rod, di pioe, g.i pipe, tw materials, c.i.d joints, a.c, coupling, brass strainer, h.d.p strainer, a.c pressure, m.s pipes etc by road from different, stack yard to any places within west bengal including loading (upto a lead of 20 mtr from loading, point) packing, uploading and stacking charges etc complete as per direction., a) for distance 0 km to 5 km, b) for distance (above) 5 km to 10 km, [ subjected to minimum of rs 222.10 / mt], c) for distance (above)10 km to 15 km, [ subjected to minimum of rs 248.70 / mt], d) for distance (above)15 km to 25 km, [ subjected to minimum of rs 348.00 / mt], e) for distance (above)25 km to 50 km, [ subjected to minimum of rs 496.00 / mt], f) for distance (above)50 km to 100 km, [ subjected to minimum of rs 784.00 / mt], g) for distance (above)100 km to 125 km, [ subjected to minimum of rs 1407.00 / mt], h) for distance (above)125 km to 150 km, [ subjected to minimum of rs 1642.00 / mt], i) for distance (above)150 km to 200 km, [ subjected to minimum of rs 1648.00 / mt], (j) carraige pipe and specials from departmental store including loading and unloading stacking, at store of any pwss, by van or other means, cleaning silt (every month) from the over head reservoir, cleaning washing and disinfecting the, same with bleaching powder, including machinery, tools and plants as per direction of eic, complete (bleaching powder will be supplied by the agency)., a) upto 1.50 lakh gallon capacity ohr., b) above 1.50 lakh gallon and upto 2.5 lakh gallon capacity ohr, withdrawing and relaying of di/ci pipes / ac pipe after excavation of earth and with the help of, chain pully derrick etc. by dismantling & jointing by rubber gasket joint or lead joint or flange joint, and stacking the withdrawn pipes and specials at site store /road flank, godown etc. all complete, in the excavated same trench & as per direction of eic., a) 80 mm. dia to 125 mm dia., withdrawing of di /ci/ac pipes after excavation of earth and with the help of chain pully derrick, etc by dismantling & jointing of rubber gasket joint or lead joint or flange joint and stacking the, withdrawn pipes and specials at site store / road flank, godown etc all complete as per direction, of eic., a) 80 mm. dia to 125 mm dia. ac/di/ci pipe, b) 150 mm dia to 200 mm dia ac/di/ci pipe, c) 250 mm dia to 350 mm dia di/ci pipe, dismantling existing ferule with fitting and refixing the same after cleanning and washing of pipe, line upto stand post., labour charges for repairing of upvc pipe by using upvc socket and solvent cement including, earth work in excavation with dewatering and necessary tracing out the actual position of brusting, / leakage, cutting the pipe to required length in the trenches and replacing the same with new, pipe (as per required length) including fitting fixing after roughing the upvc surface & supplying, and applying solvent cement, back filling the trenches with excavated earth upto the same as per, direction of eic all complete (upvc pipes and specials, solvent cement to be supplied by the, agency). unserviceable brok
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