Restoration of rain damages 9 to 11 July 2023 to LWSS various havitation in GP Darwar in Tehsil Dharampur Distt Mandi HP

Amount

Excavation in foundation, trenches etc. in all kinds of soil such as pick work, jumper work, blasting work in soft / hard rock, chiselling in soft / hard including wedging out of a rock where blasting is prohibited and stacking the excavated earth up to all lifts, stacking the excavated soil up to all lead clear from the edge of excavation and then returniing the stacked soil in 15 centimeters layers when required in to plinths, sides of foundation etc. consolidating each deposited layer by ramming and waterng and then disposing of all surplus excavated earth as per direction and to the entire satisfation of Engineer- in- charge up to leads and lifts.

Providing, laying, jointing and testing in trenches of GMSERW pipe of following diameter conforming to IS/ISO:3183-2007 of below mentioned grade in item as per dimensions, weight and test pressure mentioned there in code (mill tolerances to be restricted within 3%) in random lengths of 4 to 7 mtrs including the cost of fabrication of bends by butt welding from parent tube as required at site. The welded joints and welding of pipe will be down as per IS:816-1969 with electrodes as per IS:814-1991 of make Adwani/Orelon (Adore)/ESAB. The laying & jointing of pipe should conform to IS:5822-1994 (earth work in trenches and butt welded joints except in bends to be measured and paid for separatly) The pipes and specials shall have out side coating with galvanised as per BIS 4736, the galvanisation is done by the manufacturing frim itself complete in all respect as per direction and to the entire satisfaction of Engineer-in-Charge.

GMSERW pipe 250 mm dia grade L-210 or X 42 wall thickness 4.8mm

Providing circumferencial Butt welded joints by electrical arc welding to following dia API/GMS/MSERW Pipes welded in requisite number of weld runs including thread cutting 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 Oerlikon (Adore)- CITOJET/ESAB make, conforming to IS 814-1991, 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.

200 mm dia.

ANMOL SHARMA

ANKUSH THAKUR