Restoration of rain damages of Medium Irrigation Project to Changer Area from Anandpur Hydel Channel in Tehsil Sh. Naina Devi Ji District Bilaspur

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.

Manual 40%

D-watering 10%

Machanical 50%

Dismentalled of old GMS pipe from trenches at various locations (earth work in trenches to be measured and paid for separately) incuding cutting of joints etc

400mm dia wall thickness 4.80mm

400mm dia with wall thickness 5.60mm

400mm dia with wall thickness 10.30mm

Providing circumferential butt welded joints by electrical arc welding to the varlous dia GMS/ 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.

400mm dia