Source level augmentation of LWSS Khanour in Tehsil Dharampur District Mandi HP

Amount

Excavation in foundation and trenches etc. (for pipe and pits) up to all depth and in all kind of soil such as pick work, jumper work, saturated soil including bailing or pumping out water, blasting in soft / hard rock, chiseling / wedging out of same where blasting is prohibited in all lead and lift including trimming and dressing of side, leveling of beds to correct grade including shoring, strutting, planking timbering and dewatering where ever required, stacking the usable and unusable and un-usable materials/soil separately and after laying, jointing and testing of pipes, returning the useful soil trenches in 15 cm layers by ramming and watering and then disposing of all surplus excavated soil/unusable materials as directed with in all leads/lifts including restoration of unmetered/unmetered surfaces to its original conditions and including cost of diversion of traffic, night signals, fixing caution boards, crossing over trenches for access to houses, fencing etc. complete in all respects within all leads and lift as per direction of Engineer-in-charge.

Laying, jointing and testing in trenches (to level or grade) of G.I.pipes medium class including cost of flanged bends of all digree jointed with 10 % flanged & remaining butt weld joints of below diametre conforming to IS 1239-1990 (Part - I ) with latest upto date amendments of grade and wall thickness as specified below, suitable to withstand required hydraulic test pressure in randum length 4m-6m with plain ends and jointed with MS Flanges conforming to IS 6392-1971(Latest upto date amendments) and welding of flanges as per IS 816-1969 with electrodes as per IS 814-1991 including required number and size of MS nuts and bolts as per IS 1369-1967 and compressed asbestos fibre jointing gaskets sheet not less than 3.00 mm in thickness as per IS 2712-1998. The welding of flanges to be done on both faces in two layers to make the joints leak proof (earth work, providing and welding M.S flanges and butt welded joints to be mearsured and paid separately) and to entire satisfaction of the Engineer-in-Charge.The laying of pipes conform to IS 5822-1994 and as per CPHEEO manual and will include all operations such as cutting, welding and jointing including flushing, cleaning and hydraulic testing complete in all respects to the entire satisfaction of Engineer-in- Charge

50 mm dia GMS pipe Heavy class having wall thicthness 4.5 mm with (RD 0/0 to 2010 )

50 mm dia GMS pipe Medium class having wall thicthness 3.6 mm with (RD 2110 to 2610 )

Providing weldingand fixing of M.S. flanges @ 10% of joints, conforming to following tables as per IS 6392-1971 (Latest with up to date amendments) and welding of MS flanges with GMS pipes in two layers on both faces i.e two layer on outer faces and one layer on inner faces to make the joint leak proof (The cost of laying of G.I. pipes to be measured and paid for separtely). 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, the thicthness of gasket not less than 3.00 mm conforming to IS 2712-1998. The work shall be done as per entire satisfactio of engineer in charge with in all leads and lifts.

M.S. Flange 10% of joint 50 mm dia Table-28 RD 0/0 to 2010

M.S. Flange 10% of joint 50 mm dia Table-17 RD 2010 to 2610

Providing circumferential butt welded joints by electrical arc welding to below mentioned dia and wall thickness GMS pipe welded in three 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 of 2.5 mm to 6.3 mm of Advani Oerlikon (Adore)-CITOJET/ES/ESAB make, conforming to IS 814-1991 including Die pentration test, at site of work complete in all respects, including manual/machanical handling of pipe in all leads and lifts to the entire satisfaction of Engineer in charge.

Butt welding 50 mm GMS pipe with 4.5 mm wall thickness (RD 0/0-2010 )

Butt welding 50 mm GMS pipe with 3.6 mm wall thickness (RD 2010-2610

Kuldeep kumar sharma

baldev

Gaurav Sen

RANBIR SINGH GOVT. CONTRACTOR

KRISHAN CHAND GOVT. CONTRATOR