Laying of new UPVC/DI pipeline in the distribution system and providing FHTC in connection Near THE HOUSE OF BELA DEB TO NIRANJAN BARMAN with the APAS booth level Camp Proposal to resolve the drinking water issue at Radhanagar village

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 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 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 PVC fitting 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 tofacilate 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 cushion of 1.10mtr. from the top of pipe line including making interconnection with distribution pipes etc. all complete as per drawing direction and satisfaction of the E.I.C. N.B. i) Manufacturer’s test certificate for UPVC pipe & specials to be produced before laying of pipe line.ii) 3rd party inspection of UPVC pipe & specials to be done by CEPET or (India) SGS/NTH Kolkata or as per direction of EIC as per approved vender list. iii)No part payment at any stage on account of supply of materials shall be entertained. iv)Payment will be made on actual consumption of materials. v)UPVC pipes for the works to be supplied as per approved vendor list and as per direction & satisfaction of EIC. No pipes will be allowed beyond recommendated vendor list. vi)Submission of drawing of pipe line with statement of materials consumed between node to node points against each R.A. & final bill.if so.vii) Any deviation from required clear cover of 1.10mtr.due to site adverse condition, prior permission is to be obtained from EIC and payment for such work will be made on prorate basis over the rate of entire item. viii)All pipe connection shall be completed in all respect and as per directionof EIC. Decision of EIC in this respect is final & binding. In case of any deviation/or any left out pipe connections an amount of Rs.10,000.00 for each pipe connection will be realized/recovered from the bill. (A) Pressure Rating : Class III. (ii) Laying of pipe line including cost of pipe & fittings/specials but excluding cost of valves. i)90 mm (OD)

Filling the pipe line with water, testing hydraulically as per I.S 3114-1965 (Article-6) in section of a length not exceeding 500mtr. for head of pressure as per specification including supplying installing and fixing all equipments such as diesel pump set, blank flange, pressure gauge, valve, pressure pump and all other tools and plants including drilling topping and plugging of necessary holes to pipes, blocking ends providing temporary thrust block and subsequent blocking of holes and other jointing materials and dismantling and removal of the same including disposal of water etc. all complete as per specification and direction of EIC. The rate is inclusive of cost of requisite water to be arranged by the contractor (Recovery rate of water @ Rs.10.00/m3, if contractor used water from deptt. source).A) For CI/DI pipe. i)100 mm dia

ii)150 mm dia

B) For UPVC/HDPE Pipe. i)90 mm mm

110 mm dia

Cleaning thoroughly the inner surface of pipe line including specials and valves by flushing with water and subsequently disinfection of the same pipe line by flushing again with water containing bleaching powder resulting in residual chlorine not less than 15mg/ltrs. after 24hrs. of such filling including laboratory testing of water samples obtain from the disinfested pipe line and disposal of water from the pipe line after completion of the work. The rates including of cost of requisite water to be arranged by the contractor) (The rate of water @Rs. 10/m3 may be recovered, if the contractor used water from deptt. source)A) For CI/DI pipe. i)100 mm dia

ii)150 mm dia

B) For UPVC/HDPE Pipe. i)90 mm mm

110 mm dia

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 of valve all complete including cost of labour & materials as per Departmental Dwg. [Reinforcement type:- Other manufactuerers not specified] i) 80 mm to 150 mm dia pipe

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

Submission of complete detailed drawing of distribution system, rising main etc. after execution of work showing position of different types of valves, fittings/specials sluice valve chamber with location, node to node wise in the sanctioned drawing as completion drawing of the water supply scheme as per direction and satisfaction of EIC. The list of dia wise fitting/specials, different pipes ;of valve used in the rising main should be shown in the completion drawing (not separate) with verified by SAE & AE in-charge of the scheme. The above drawing will be submitted in 5 copies.

ii)150mm dia. D.I. Pipe

Supply of Jeffy coupling as per IS certification 100mm dia

Supply of Jeffy coupling as per IS certification 150mm dia

Providing FHTC from the existing/DI/UPVC/GI/AC distribution pipe line by installing 10mm NB Gun-metal Ferrule conforming to IS 2692: 1989 on the said pipeline with supply ,fitting & fixing of all other accessories line saddle piece of required size to fit the existing distribution pipeline ,specials, nut& bolts, rubber sheet, washers etc. And supply & laying of 15 mm NB PVC schedule 80)/20 mm OD HDPE (PE100,PN16) pipe (average 15 m length) with all necessary specials 1.0 metre below the ground connecting the ferule including cutting trenches in all sorts of soil and filling up trenches as per direction of the Engineer -in-charge and upto a point just inside the premises of the household or as directed by EIC. Supply and installation of 15mm dia alloy iron Bib Cock (tested to 21 Kg/cm2 ) above 1.0 Mtr. From ground , an alow Stop Cock of 15 mm dia . with brass spindle (tested to 21 Kg/cm2) to be fitted in a position as directed by EIC GI pipe (Medium duly) of 2 metre length with all necessary specials to continue from the end of the HDPE/PVC pipe and upto 1.0m above ground within the premises of household. Note:-1. PVC pipe shall of schedule 80(medium duty) conforming to ASTMD-1785 and threaded to match with GI pipes as per IS: 1239 (Part-I) 2. Rate is exclusive of supply and delivery of 10mm NB gun-metal Ferrule. 3. Payment of supply & laying of 15 mm NB PVC (schedule 80)/20mm OD HDPE (PE100, PN16) pipe with all necessary specials 1.0 metre below the ground will be made on actual measurement basis. The rate of this item is Rs. 117/- per metre) a) Upto 10m. length

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