WBPHED/51_02/EE/BOLMD/2023-24

Amount

Ductile Iron (D.I.) Pipe K-9

100 mm dia.

DOUBLE SOCKET BEND

DOUBLE FLANGE SOCKET BEND 100 X 90

MECHANICAL JOINT ALL SOCKET TEE

MECHANICAL JOINT ALL FLANGE SOCKET TEE 100 MM

DOUBLE SOCKET REDUCER

DOUBLE SOCKET REDUCER 100 X 80

FLANGED SOCKET

FLANGED SOCKET 100

SLUICE VALVE PN 1.0 (RISING)

100 mm Dia with Cap

CARRYING AND LAYING CHARGES FOR THE PIPES

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 inexcavation 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 cableetc.(incaseof damaged if any type of cable line during excecution , necessary damaged charges as applicable by the respective authority will beborne 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)Thepipes, specials and valves , rubber gasket will be supplied deptt. free of cost. (a) 100 mm. dia.

CHARGES FOR MAKING GASKET JOINTS TO THE PIPES

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) (a) 100 mm. dia.

CHARGES FOR MAKING FLANGE JOINTS TO THE PIPES AND SPECIALS

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) 100mm dia.

CHARGES FOR CUTTING THE PIPES TO REQUIRED LENGTH

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) 80 mm. to 125 mm. dia.

CHARGES FOR CHAMFERING THE SPIGOT END OF THE PIPES

Chamfering the spigot end of all type/class of DI pipe for proper using of push joint by means of grinder set at site for proper joint etc. all complete as per direction of EIC. (a) 100 mm. dia.

CHARGES FOR HYDRAULIC TESTING OF THE PIPES

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. (A)(1) 100 mm. dia.

CHARGES FOR CLEANING THE INNER SURFACE OF THE PIPES

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. (A)(1) 100 mm. dia.

Add: GST @ 18% on sum of Item No: 1 to 13

Add Cess @1% on sum of Item No. 14

ORIENTAL ENGINEERING CO.

HINDOL ROY