Public Health Engineering Department Tender

(b) Flange Adapter 150 mm

Carrying 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 width 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 laterite and stone etc.without damaging the exisiting telephone/electric cable etc.(in case of damaged if any type 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 continuous bedding of pipe line and laying pipes, fitting, fixing specials and valves with bailing out water if any including carriage of pipes, specials and valves from local deptt. store within 8KM and back filling the trenches with excavated earth in layers to original condition as per specification and direction of EIC. The surplus materials after execution of work are to be return to the deptt. store. N.B: i) Any deviation from required clear cover of 1.10mtr., 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 gasket will be supplied deptt. free of cost. (i) 150 MM DIA

Providing in alignment and laying in trenches centrifugally cast iron (spun) Flanged)Pipes Class-B (IS.-1537/1976) with screwed flange of the following nominal dia.including cutting trenches upto the depth so as to maintain-1(one) mtr.earth cushion from the top of the pipe upto G.L. in any kind of soil,carriage of pipes from local store within the scheme area / Head works site store to Pin point site & back carriage of excess materials to Head work site store,refilling the trenches including dewatering trenches etc. all complete as per direction of E.I.C. (Earth work in excavation,refilling the trenches as per specification and jointing of pipes to be measured and paid for seperately) (Pipes will be supplied departmentally free of cost) 150 mm dia

Providing in alignment and laying in trenches Cast Iron Double Flange Tapper(IS.-1538/1993) of the following nominal dia.including cutting trenches upto the depth so as to maintain-1(one) mtr.earth cushion from the top of the pipe upto G.L. in any kind of soil,carriage of pipes from local store within the scheme area / Head works site store to Pin point site & back carriage of excess materials to Head work site store,refilling the trenches including dewatering trenches etc. all complete as per direction of E.I.C. (Earth work in excavation,refilling the trenches as per specification and jointing of pipes to be measured and paid for seperately) (Pipes will be supplied departmentally free of cost) 150mm x80 mm dia

Making rubber gasket joint to CI/DI pipes maintaining proper alignment 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 direction of EIC. (rubber gasket will be supplied deptt. free of cost) (i) 150 MM DIA

Making flange joint to DI/CI pipes, specials and valves where necessary with supply of required rubber insertion and nut bolts, washers etc. of approved quality and type all complete as per specification and direction of EIC (Nut and bolts shall be of TATA/GKW rate). a) 80 mm dia pipe

b) 150 mm dia pipe

c) 250 mm dia pipe

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. a) 150 mm dia to 200 mm dia pipe

MECHANICAL JOINT Making MECHANICALJOINT. C.I specials of the following nominal diameter including fitting fixing and fasting follower gland,rubber insertion,bolts & nuts as per direction of the E.IC.((MECHANICAL JOINT .COMPLETE will be supplied departmentally free of cost) 150 mm

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 i) 150 mm dia. With cap

ii) 250 mm dia. With cap

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] a) 100 mm to 150 mm dia

b) 250 mm to 350 mm dia

Supply & Delivery of the following materials (A) CIDF pipe Class-B as per I.S. 7181-1986 with latest revision

(B) Supply & Delivery of C.I.D.F specials as per IS 1537/ 1976 & 1538/1993.

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 ii) 150 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.......ii) 150 mm dia.

Supply of CIDF Duck foot bend as per I.S. 1538 1976 with latest revision.

Ordinary Cement concrete(mix1:1.5:3) with graded stone chips(20 mm.size) excluding shuttering and reinforcement, if any, in ground floor…………..a) Pakur / Chandil Variety

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.

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