WBPHED/AE/BSSD/NIeT_02/26-27 _10

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, specialsand valves , rubbergasket willbe supplieddeptt. free of cost. a) 450 mm. dia.

b) 300 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 allot her 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) 450 mm. dia.

b) 300 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) 450 mm. dia.

b) 300 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. a ) 250mm.dia.to 350 mm.dia pipe

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) 300 mm dia.

Carriage of different type of departmental pipes from Divisional/Sub-divisional store to the work site by truck including loading, unloading, stacking etc. including cost of fuel, lubricant and also cost of driver, helper etc. and all other taxes and charges as applicable as per direction of EIC. a) Above 5 Km upto 10 Km

Laying of Ms Pipes,specials & valves of different dia.In the trencges including lifting lowering and aligning by mobile crane in the trenches with a minimum cover of 1.00 mtr. Below ground level and hydraulic testing of the same all complete as per specification,direction and satisfaction of the EIC. b) 20% payment will be witheld till hydraulic testing of pipeline system is not done as provided separately. b) 100/80 mm dia. (DI/CI/MS Pipe)