Maintenance At Zone Vi Under Siliguri Municipal Corporation Under Siliguri W/S Division P.H.E. Dte.- 1 Earth work in excavation of foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite or sand stone) including removing spreading or stacking the spoils with in a lead of 75 mtr. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom bailing out water as required complete.a) Depth of excavation not exceeding 1.50mtr. but not required shoring . 2 Earth work in filling in foundation trenches or plinth with good earth in layers not exceeding 150 mm including watering and ramming etc. layer by layer complete.a) With earth obtained from excavation of foundation. 3 Supply thefollowingmaterials forconnectionof nlet,outlet,overflow,washoutofOHRasperdeptt. Drawings.(A) CIDF pipe Class-B as per I.S. 7181-1986 with latest revision. 4 Supplying, laying, fiting, fixing and jointing of UPVC pipes conforming to IS:4985-2000 with latest revision and amendments, if any, with necessary UPVC/CI specials, CIDF sluice valves, as per relevant I.S. specificationincluding labour charges for earth work in excavation in any kind of soil including mixed soil with boulder ,road sub- grade and its flanks but excluding moorum and laterite or sand stonehard arock including cutting of brick payment without damaging the existing telephone/electrical cable line etc.(in case of damage of any type of cable line during excavation, necessary damaged charges as applicable by the respaective authority will be borne by the ency in his own cost. Loading, unloading, carrying of pipes, specials, valves from the local store to work site and lowering laying of pipes specials valves carefully in trenches maintaining proper levels and alignment ,jointing the pipe and specials including supplying of good quality/approved brand solven cement (as per IS:14182-1994 including cost of all fabricated PVC fitting i.e. tees,bend, reducers, adopter etc.as per IS:101 1988 and makinflange joints including supplying required quantity of nuts, bolts and rubber insertion (CIDF sluice valves will be supplied by the department free of cost) as required at site by adopting suitable method so as to facilate the maintenance of pipe line locally as per conventional methodincluding back filling the trenches with good earth obtained from excavation of trenches including consolidationwith watering in layer not exceeding 150mm thk. with maintaining an average depth of cushion of 1.10mtr. from the top of pipe line including making interconnection with distribution pipes etc. all complete as per drawin direction and satisfaction of the E.I.CN.B. i) Manufacturer’s test certificate for UPVC pipe & specials to bproduced before laying of pipe line.ii) Laying of pipe line including cost of pipe & fittings/specials but excluding cost of valves.a)90mm (OD) 5 Supply and delivery of CIDF sluice valve (Special type) PW-1.00 of different dia make with CI double flanged non rusting spindle sluice valves conforming to IS 14846 -2000 with latest emended having body dome/bonnet and cover of C.I.Gr-F.G 210mtr. spindle of IS-6603 G.R 12/Gr-13 non-magnetic, nuts seat rings are of Gunonetal as per IS:318 LTB-2 flanges and drilled to IS:1538 Part IV & VI valves are suitable for max. working pressure of 10kg/cm2(seat test) and body tested to 15kg/cm2.N.B: The above item should be procured from the reputed manufactures as per deptt. approved vender list a)250mm.dia. 6 b) 200 mm dia 7 Construction of different dia Sluice valve /Air valve /Washout chamber in different sizes for village road where light traffic run and for main road where heavy traffic run as deptt.approved drawing with 25cm thick brick work (1:6) over cement concrete (4:2:1) over a single B/F soling over150mm.thick sand filling in foundation including earth work in excavation and disposal of excess earth from work site with RCC (1:1.5:3) cover slab 100mm / 150mm thick slab on top of chamber with 1% reinforcement in RCC cover slab with necessary opening for operation ofvalve all complete including cost of labour & materials as per Departmental Dwg. [Reinforcement type:- Other manufactuerers not specified] i)100mm dia 8 ii)200 mm dia 9 ii)250 mm dia 10 Construction of RCC street stand post (700mm height) of RCC (1:1.5:3) footing over 75mm thick 4:2:1 P.C.C over a single B/F soling with 1% reinforcement, connected with saddle piece & 15mm dia brass ferrule with supplying fitting, fixing 15mm dia G.I. nipple, G.I.socket, G.I. 200mm x 150mm reducing elbow and 20mm dia GI(m) TATA pipe of (avg.) 2.6mtr. long and one 15mm dia alloy Iron with brass spindle bib cock with socket and 20mm G.I. elbow 2nos. with 15mm GI(m) TATA pipe of 0.225mtr. for connection of stand post to distribution line as per deptt. design and drawing as per direction of EIC along with Construction of platform of size CC platform (1:2:4) over a single B/F soling below G.L over 150mm.thick sand filling, neat cement finish over platform and inner side of band and 15mm thick cement plaster (4:1) on top of platform band and outside upto G.L. as per deptt. drawing and as per direction of EIC 11 Supplying, laying, fiting, fixing and jointing of UPVC pipes conforming to IS:4985-2000 with latest revision and amendments, if any, with necessary UPVC/CI specials, CIDF sluice valves, as per relevant I.S. specification including labour charges for earth work in excavation in any kind of soil including mixed soil with boulder ,road sub-grade and its flanks but excluding moorum and laterite or sand stonehard arock including cutting of brick paymentwithout damaging the existing telephone/electrical cable line etc.(in case of damage of any type of cable line during excavation, necessary damaged charges as applicable by the respaective authority will be borne by the agency in his own cost. Loading, unloading, carrying of pipes, specials, valves from the local store to work site and lowering laying of pipes specials valves carefully in trenches maintaining proper levels and alignment ,jointing the pipe and specials including supplying of good quality/approved brand solvent cement (as per IS:14182-1994 including cost of all fabricated PVCfitting i.e. tees,bend, reducers, adopter etc.as per IS:101-1988 and making flange joints including supplying required quantity of nuts, bolts and rubber insertion (CIDF sluice valves will be supplied by the department free of cost) as required at site by adopting suitable method so as to facilate the maintenance of pipe line locally as per conventional method including back filling the trenches with good earth obtained from excavation of trenches including consolidation with watering in layer not exceeding 150mm thk. with maintaining an average depth of 1.10m from the top of pipe line incl connecting with distribution line etc all complete.N.B. i) Manufacturer’s test certificate for UPVC pipe & specials to be produced before laying of pipe line.ii) Laying of pipe line incliding cost of pipe & fittings/specials but exclide cose of valvess90mm OD 12 Cement concrete with 30 mm down graded shingles excluding shuttering. N.B.Variety (In ground floor) 1:3:6 proportion 13 Opening the cap / plug of washout point and opening sluice valve to clean the pipe, cleaning the cap / plug and sluice valve after completion of the work including earth work in excavation and refilling the same, draining out washed water etc. as per direction of ElC and replacing RCC Top slab cover where necessary including refixing the opened cap/plug in position complete. 14 Bituminous pucca road (approx. 450mm depth) cutting by using gaiti, chisel, hammer etc. and picking uip the withdrawing excavated materials and remove the same within distance of 30mtr. at least all complete for fixing/crossing all dia of pipe line as per direction of EIC 15 Cleaning the chokage of AC/DI/CI/UPVC pipes in the existing line by split bamboo passing through the new pit on the line and cleaning silt, bats or any obstructed materials in the line and cleaning by washed water (work to be executed as per prior approval and direction of EIC. Mallaguri , chandmoni, gurung basti, bagajotin coloni, culli para 16 Supplying Bleaching Powder of approved brand (DCM/Modi/Kanoria) including all charges and free delivery at site. 17 Hire charges of J.C.B for road cutting including fuel, lubricant and opeerator of the machine all complete.WARD NO 45 MALLAGURI 18 Dismantling all types of plain cement concretework stackingserviceable materials at site and removing rubbish as direction within a lead of 75 m.In ground floor including roof(a) Upto 150 mm thick 19 Disinfection and washing the tank and pipe connection including clearing the inside of the tank etc. complete as per direction of EIC. 20 Add. @ 18% GST 21 Add. @ 1% CESS
