WBPHED/EE/TD/NIeT_20_2024_25 (3rd Call)

Supplying, laying, fiting, fixing and jointing of UPVC pipes conforming toIS:4985-2000 with latest revision and amendments, if any, with necessary UPVC/CI specials, CIDF luice 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 lanks but excluding moorum and laterite or sand stone hard rock including cutting of brick payment without damaging the existing telephone/electrical cable line etc.(in case of amage 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 to facilate the maintenance of pipe line locally as per conventional ethod 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.

For UPVC Pipe

a) 90 mm (OD)

b) 160 mm (OD)

c) 180 mm (OD)

Filling the pipeline with water, testing hydraulically asper I.S3114-1965 (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).

B) For UPVC/HDPE Pipe

a) 90 mm (OD)

b) 160 mm (OD)

c) 180 mm (OD)

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 inresidual chlorinenot less than15mg/ltrs. after 24 hrs. 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).

B) For UPVC/HDPE Pipe

a) 90 mm (OD)

b) 160 mm (OD)

c) 180 mm (OD)

Carrying of CI / DI Pipes with specials and valves and lowering placing in position and laying carefully inside the trenches in proper alignment and gradient etc including earth work in excavation of adequate with as per specification having min. clear cover from top of pipe is 1.10mtr. below existing ground level in any kind of soil including mixed with boulder, road sub-grade and its flank, but excluding moorum and lateriate and stone etc.with out damaging the existing telephone/ electric cable etc.( in case of damaged if any tupe of cable line during excecution, necessary damaged charges as applicable by the respective authority will be borne by the agency in his own cost) preparing the bottom surface for continious bedding of pipe line and laying pipes, fitting, fixing specials and valve with bailing out water if any including carraige of pipes, specials and valves from deptt. store with in 8 KM. and back filling the trenches with excavated earth in layers to original condition as per specification and direction of E.I.C. The surplus materials after execution of work are to be return to be deptt. store.

N.B: i) Any deviation from required clear cover of 1.10 mtr.,due to site adverse condition, prior permission is to be obtained from the EIC in exceptional situation and payment will be made on prorate basis over the rate of entire item. ii) No payment will be made without hydraulic test of the pipe line either part or full . iii) The pipes , specials and valves , rubber gaket will be supplied deptt. free of cost.

a)100 mm dia

Making flange joint to DI/CI pipes , specials and valve where necessary with supply of required rubber insertion and nut bolts, washers etc of approved quality and type all complte as per specicification and direction of EIC.( Nut and Bolts shall be of TATA/GKW rate).

a)100 mm dia

Making rubber gasket joint to CI/DI pipes maintaining proper allignment level etc by mechanical arrangement with or without using mobile cranes where necessary and with help of all other equipments tools and tackles etc as required providing lubricants of approved quality and dierction of EIC.( rubber gasket will be supplied deptt. free of cost.

a)100 mm dia

Cutting DI pipe (all class & type) to required length with cutting device etc. and grinding the cutting portion with file as per direction and satisfaction of EIC.

i) 80mm.dia.to 125mm.dia D.I.Pipe

Chamfering the spigot end of all type/class of DI pipe for properus in gof push joint by means of grinder set at site for proper joint etc.allcomplete as per direction of EIC

a)100 mm dia

Construction of different dia Sluice valve/Airvalve/Washout chamberin 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]

a)80 mm to 150mm dia pipe

b)200 mm dia

c)250 mm to 350 mm dia pipe

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.R12/Gr-13non-magnetic, nuts seatrings are of Gun one tal as per IS:318LTB-2 flanges and drilled to IS:1538 PartIV &VI valves are suitable forma x. working pressure of 10kg/cm2(seattest)and body tested to 15kg/cm2.

b) 150mm dia.

c) 200 mm dia.

Submission of complete detailed drawing of distribution system rising main etc after execution of work showing position of differnt type of valves , fitting/ specials sluice valve chamber with location , note to note wishing in sanctioned drawing as completion drawing of the water supply scheme as per direction and satisfection of EIC. The list of dia wise fitting / specials, different pipe , of valve used in the rising main should be shown in the completion drawing( not seperate) with verified by SAE & AE incharge of the scheme. The above drawing will be submitted in 5 copies.

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75m

Restoration of cement concrete pavements, after laying pipe line into the trenches, restoration to be done by laying cement concrete work(1:2:4) over a brick flat soling over 15cm.thick sand filling for cutting portion only or as per direction of Engineer-in-Charge.

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