Restoration of rain damages of LWSS NTPC Jamthal Harnoda in Tehsil Sadar District Bilaspur (SH Dismantling relaying and welding of rising main 150mm dia at various points).

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 jumer work

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

GI pipe 150mm dia from RD 330-390,460-560, 775 to 865).

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

GI pipe 150mm dia from RD 330-390,460-560, 775 to 865).

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

GI pipe 150mm dia RD 389 to 395, 558 to 570, 864 to 870).

Providing circumferential butt welded joints by electrical arc welding to the varous dia MSERW 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.

GI pipe 150mm dia

Pawan Kumar (BID ID -568031)

Jitender Singh (BID ID -568085)