Supplying, fitting, fixing and replacement of 150 mm dia and 200 mm dia MS pipeline for discharge line of centrifugal pump-motor at Sirishdanga pump house under AMC.

With drawing of DI/CI pipes / AC pipe after excavation of earth and with the help of chain pully derrick etc. by dismantling of jointing of rubber gasket joint or lead joint or flange joint and stacking the withdrawn pipes and specials at site store /road flank godown etc.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 as per direction of ElC. b) 150 mm dia to 200 mm AC/DI/CI Pipe

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m.In ground floor including roof.(a) upto 150 mm. thick

Supplying, fitting and fixing of C.I. Mechanical Compression flexible Collar Couplings suitable for C.I. Spun Pipes (as per IS: 1536) and D. I. Pipes (as per IS: 8329) complete with Sealing Rubber Gasket of EPDM quality (IS:5382/1985 Type - 4), Cast Iron Follower Glands and Mild Steel Nut Bolts (Zinc Coated). The whole assembly should be mechanically and hydraulically tested to the provisions as laid down in IS: 1538. Fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. 150 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 over 150 mm.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) 200 mm dia pipe

Bailing or pumping out water from foundation trenches This item should be executed on the specific direction of the Engineer-in-charges when he is satisfied in his absolute discretion, that this has not been necessitated due to any fault on the part of the contractor (Payment, if permitted, will be made on the quantity of water calculated on the basis of initial and final water calculated on the basis of initial and final water level measured before starting and completion of each days work which necessitates a bailing / pumping of water from the trench. The final level of water to be measured, will depend on the level at which the day's work will be taken up. The rate includes any seepage water that may percolate in the trench during pumping).

Supply of M.S. Flange (slipper type) as per IS-6392 TABLE 17 Thickness 20 mm -22 mm,150 MM DIA

200 mm dia

Flange joint to C.l./D.l/M.S. pipes and specials including supply of rubber gasket, nuts, bolts, washers etc. of best quality to make the joint watertight at required hydraulic pressure all complete as per specification & direction of the Engineer-in-charge. 150mm dia.

200mm dia

Supplying, fitting and fixing of D.I.Mechanical flexible Flange Socket Tailpiece suitable for making flanged connection with the plain barrel of C.I. Spun Pipes (as per IS : 1536) and D.I. Pipes (as per IS : 8329). The Tailpieces to be supplied complete with Sealing Rubber Gasket of EPDM quality (IS:5382 / 1985 Type-4), Cast Iron Follower Glands and Mild SteelNut Bolts (Zinc Coated). The whole assembly should be mechanicallyand hydraulically tested to the provisions as laid down in IS: 1538. Fittingand fixing should be in proper position with proper care of main pipeline for leak proof condition 150 mm with length 100 mm.