Improvement of water supply scheme to GP Gheory Beehan and its adjoining Panchayat by tapping new source

Excavation in foundations ,trenches etc. (for pipe and pits ) upto all depths in all classification of earth work such as pick work, jumper work, saturated soil including bailing or pumping out water, blasting soft/hard rock or chiselling soft/hard rock where blasting work is prohibited in all leads and lifts including triming & dressing of sides, levelling of beds to correct grade i/c shoring, strutting, planking, timbering and dewatring wherever required stacking the usable and unusable material/soil separately and after laying & jointing and testing of pipes,returning the usable soil in 15cm layers by ramming & watering and then disposing of all surplus excavated soil/unusable material as directed within all leads and lifts including restoration of unmetalled surface to its original condition and including cost of diversion for traffic, night signals, fixingcaution boards, crossing over trenches for access to houses,fencing etc. within all leads & lifts. (Pick jumper work 50% each)

Laying joining and testing of Galvanised mild steel pipe plain ended i/c cost of bends complee as per IS: 1239-2004 Part-I Medium/Heavy class of following dia meter ( earth work in trenches MS flanged joint and butt welding joints measured and paid separately) complete in all respect.

GMS pipe (H.C) 40mm dia RD 0/00 to 480

GMS pipe (M.C) 40mm dia RD 480 to 900

Providing and fixing of M.S.flanges at 6% joint of following table as per IS:6392-1971 (latest with upto date ammendments) and welding of M.S.flanges with G.I.pipes be done in three layers on both faces one on inner face and two layers in outer face to make the joint leak proof laying of G.I.pipes,butt welded joint to be measured and paid for separately). The welding of flanges should be as per IS:816-1969 with electrodes as per IS:814-1991 with required number of nuts and bolts as per IS:1369-1967 & compressed asbestos fibre gasket sheet not less than 3mm in thickness as per IS:2712-1998. The work shall be done as per entire satisfaction of the Engineer-in-charge complete in all respect.

MS flange 40mm dia T-17

MS flange 40mm dia T-5

Providing circumferential butt welded joints by electrical welding to following dia G.I.pipes (HC/MC) confirming to IS:1239-2004 (Part-I) welded in three layers of welding ( Two outer one inner ) and the minimum throat thickness of welding confirming to IS:816-1969 specification by using welding rods of 2.5mm to 6.3mm of Advani Oerlikon (Adore)/EASB make confirming to IS:814-1991 at site complete in all respect including manual/mechanical leads of pipes in all leads and lifts and to entire satisfaction of the Engineer-in-charge complete in all respect.