Providing Multi Villages Piped Water Supply Scheme for Una Constituency in Una Block Distt. Una (H.P.)(SH Laying, jointing , testing and commissioning of GMS pipe in Rising main to village Jorian from WSS Kuthar Beet)

Amount

Excavation in foundation and trenches up to all depths and in all classification of earth work such as Pick work, Jumper work, chiselling or wedging out of soft and hard rock as blasting is prohibited, saturated soil including bailing or pumping out of water, including cutting of bitumenous/concrete surface wherever required, in all lifts including trimming and dressing of sides, levelling of beds to correct grade including shoring, strutting , planking, timbering and dewatering where ever required. Stacking usable and unusable material /soil seperataly and after laying, jointing and testing of pipes (for pipes, Pipe duct, chambers, x-sings etc.), returning the usable soil in 15cm layers by ramming and watering and then disposing of all surplus excavated soil/ unusable material as directed within all leads/ lifts and including cost of diversion for traffic, night signal boards, fixing caution boards, crossing over trenches for access to houses, fencing etc. complete in all respects within all leads and lifts as per direction of the Engineer-in-charge.

Laying,Jointing and Testing in trenches Galvanized mild steel flanged/butt welded pipe of 65mm dia (M) dia and grade conforming to IS 1239-2004 (with latest ammendments The M.S. flanges are to be provided 1% of total joints as per table below conforming to 6392-1971 ( Latest uptodate ammendments) and welding of M.S. flanges with pipe as per IS: 816-1965 with electrode as per IS: 814-1967 including required Nos. and size of M.S. nuts and bolts as per IS: 1369-1967 and compressed asbestos fibre jointing gaskets sheet not less than 3mm thick as per IS: 27121-1965. The welding of flanges to be done on both faces in three layers in each face to make the joints leak proof including all kind of specials such as bends of all degree to be made from parent tube, short pieces, tail pieces all made from parent tube and to the entire satisfaction of enginer-in-charge. The pipes end should be bevelled suitable for butt welding. The circumferencial butt welded joints ( 99% of the total joints) by electrical arc welding to following dia & class pipes,welding of pipes to be done in three layers to make the joints leak proof and 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/ESAB make, conforming to IS 814-1991, at site of work complete in all respects and including DPT test for joints & manual/mechnical handing of pipes. The laying of pipe shall confirm to BIS-5822 (with latest ammendments uptodate), including all kind of specials such as bends of all degree to be made from parent tube, short pieces, tail pieces all made from parent tube within all leads and lifts. ( Earth work in trenches, M.S. flanges and butt welded joints to be measured and paid for separately)

Providing and welding of M.S. flanges @1% 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 3.00 mm conforming to IS 2712-1998. The work shall be done to the entire satifaction of engineer in charge with in all leads and lifts.tion of Engineer-in-Charge. 65mm dia T-17

Providing circumferential butt welded joints @99% by electrical arc welding to GMS 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 of 2.5mm to 6.3mm of Advani Oerilikon (Adore)-CITOJET/ES/ESAB make,conforming to IS 814-1991, include Die pentration test,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.65mm dia

Suresh Kumar

Varun Mehan

VISHAL SHARMA

Dinesh Kumar

Vijay Sharma Contractor

RAHUL SHARMA

aditya govt. contractor

NARESH KUMAR

Om Parkash Govt Contrator

DT Enterprises

Kapil Rana