Restoration of rain damages of LWSS New Bilaspur Town in Tehsil Sadar District Bilaspur (SH Repair of rising main 300mm dia and gravity main 200mm dia at various locations at various RDs).

Amount

Excavation in foundation and trenches etc. ( for pipe and pits) up to all depths and in all kinds of soils such as pick work, pick jumper work, saturated soil including bailing or pumping out of water, blasting in soft/ hard rock, chiseling/wedging out of rock where blasting is prohibited, in all leads and lifts including trimming and dressing of sides, leveling of beds to correct grade including shoring, strutting, planking timbering and dewatering wherever required, stacking usable and unusable materials/ soils separately and after laying, jointing and testing of pipes, returning the usable soils in 15 cm layers by ramming and watering and then disposing of all surplus excavated soil / unusable materials as directed within all leads and lifts including restoration of un-metalled surfaces to its original condition and including cost of diversion of 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 the direction of the Engineer-in-charge

Pick work

Pick jumper work

Dismentalled of GMSERW pipe from trenches (earth work in trenches to be measured and paid for separately).

GMSERW pipe 200mm dia (4.80mm thick) RD 1250-1340, 1640 to 1720)

Re-laying, Jointing and testing GMSERW in trenches of following dia. including tube fittings such as bends, tees, reducers etc. complete and to the entire satisfaction of the Engineer-in-charge (earth work in trenches to be measured and paid for separately).

GMSERW pipe 200mm dia (4.80mmthick) from RD 1250 to 1339 and 1640 to 1719)168

Providing laying jointing and testing in trenches of GMSERW welded bevelled edge flanged / butt welded pipe conforming to IS/ISO 3183-2007 grade L-210 welding of pipes will be as per IS: 816-1969 with electrodes as per IS: 814-1991 of make Advani / Orelon (Adore)- ESAB. The laying and jointing of pipes should conform to IS: 5822-1994 (earth work in trenches, flanged joints and butt welded joints except in bends to be measured and paid for separately). The pipe shall have with galvanised as per BIS: 4736,complete in all leads and lifts and to the entire satisfaction of the Engineer-in-charge

GMSERW pipe 200mm dia (4.80 mm thick) from RD 1339 to 1342 and 1719 to 1722)

Providing circumferential butt welded joints by electrical arc welding to the varIous dia GMSERW pipe as per conforming to IS: 3183-2007 (latest upto date amendements of grade and wall thickness as specified below 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 Orelon (Adore)-CITOJET/ESAB make, conforming to IS: 814-1991 at site of work complete in all respect, including manual/ mechanical handling of pipe in all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

GMSERW pipe 300mm dia 5.20 mm thick from RD 310 to 346 and 430 to 466

GMSERW pipe 200mm dia 4.80 mm thick.

vishal thakur govt contractor (BID ID -592369)

Lehnu Ram (BID ID -592282)