Restoration of Rain Damages to LIS Dehra Kot in tehsil Ghumarwin Distt. Bilaspur H P

Amount

Providing, laying, jointing and testing in trenches of galvanized MSERW flanged pipes excluding cost of flanged bends of all degrees conforming to IS/ISO 3183-2007 Grade L210 or A as per dimensions weight and test pressure mentioned below in a random length of 4m - 6m, The M.S. flanges are to be provided 10% of total joints as per table below conforming to IS: 6392-1971 (latest upto date amendments) and welding of flanges with pipes as per IS: 816-1965 with a electrode as per IS: 814-1967 including required Nos. and size of M.S. nut and bolts as per IS: 1369-1967 and compressed asbestos fiber jointing gaskets sheet not less than 3mm thick sas per IS: 2712-1965 & 90% butt welded joints by considering minimum three layers. The welding of flanges to be done on both faces in two layers on outer face + one layer on inner face to make the joints leak proof and to the entire satisfaction of the Engineer-in-charge. The laying of pipes should be conformed to IS: 5822-1994 (earth work in trenches, MS flanges and butt welded joint to be measured and paid for seprately) . The pipe shall have zinc coating as per IS:4736 in factory latest with upto date ammendements.

300 mm dia Pipe thickness 4.80 mm

Dismentalling of galvanized MSERW pipe from treanches by cutting the butt welded joints complete including stacking carriage tthe serviceable pipeand to the entire satisfaction of the Engineer-in-charge.

250 mm dia

Re laying, jointing and testing in trenches of galvanized MSERW flanged pipes excluding cost of flanged bends of all degrees conforming to IS/ISO 3183-2007 Grade L210 or A as per dimensions weight and test pressure mentioned below in a random length of 4m - 6m, The M.S. flanges are to be provided 10% of total joints as per table below conforming to IS: 6392-1971 (latest upto date amendments) and welding of flanges with pipes as per IS: 816-1965 with a electrode as per IS: 814-1967 including required Nos. and size of M.S. nut and bolts as per IS: 1369-1967 and compressed asbestos fiber jointing gaskets sheet not less than 3mm thick sas per IS: 2712-1965 & 90% butt welded joints by considering minimum three layers. The welding of flanges to be done on both faces in two layers on outer face + one layer on inner face to make the joints leak proof and to the entire satisfaction of the Engineer-in-charge. The laying of pipes should be conformed to IS: 5822-1994 (earth work in trenches, MS flanges and butt welded joint to be measured and paid for seprately) . The pipe shall have zinc coating as per IS:4736 in factory latest with upto date ammendements.

250 mm dia

Providing and welding M.S. flanges at suitable point, conforming to following tables as per IS 6392-1971 (Latest with upto date amendments) with plain end GMS/MSERW pipe in requsite number of layers on both faces to make the joint leak proof (The cost of providing and laying of MSERW pipes to be measured and paid for seprately). The welding of flanges should conform to IS:816-1969 with electrodes as per IS: 814-1991 and required number of nuts and bolts conforming to IS 1364. including cost of gasket sheet nuts & bolts. The thickness of gasket sheet not less then 3.00mm conforming to IS 2712-1998. The work shall be done to the entire satifaction of engineer in charge with in all leads and lifts.

250 mm dia flang T-17

300 mm dia flang T-5

Providing, MSERW Pipe flangrd bends of all degrees manufacured from MSERW pipe as per IS:1978-82 of grade Yst - 210 parent pipe of relevant requirement with 3-4 cuts of radius not less than 5 times of pipe to meet the code requirement with welding of all pieces as per code requirement.The MSERW pipe shall have out side coating of primer as per AWWA specification C: 203 - 1978 followed by a flood coat of coal tar approximately 3/32" thick and hessian cloth wrapping after completely dipping in coal tar and inside coating shall be of black readymade bitumionous antocorossive paint over coat of primer as per AWWA specification C:203-1978 in factory.The MS flanges are to be provided on each joint conforming to IS 6392-1971 & welding of flanges as per IS:816-1969 with electrods as per IS :814-1991 i/c required Nos.& size of MS nuts & bolts as per IS :1369-1967 and asbestos fibre jointing gasket sheet not less than 3.00 mm in thickness as per IS :2717-1998.The welding of flanges to be done on both faces in two layers tomake the joint leak proof as per entire satisfaction of Engineer in Charge within all leads & lifts.

250 mm dia with MS flange table

Providing circumferencial Butt welded joints by electrical arc welding to GMS/MSERW pipe, welded in requisite number of weld runs so as to achieve the minimum effective throat thickness of weld conforming to IS: 816-1969 specifications, by using welding electrodes conforming to IS:814-1991, at site of work complete in all respects, including manual / mechanical handling of pipes in all leads and lifts to the entire satisfaction of Engineer-in-Charge.

300 mm dia

Vishal Chauhan (BID ID -534934)

M/s Raj construction Prop. Hemraj Chauhan (BID ID -534925)