Restoration of rain damages to WSS Kullu Town in Tehsil and District Kullu

Excavation in foundations, trenches etc.in all kind of soil in all leads and lifts such as pick work, jumper work in saturated/unsaturated soil including bailing out water, blasting work in hard/ soft rock or chiseling in hard/soft rock where blasting is prohibited in all lifts stacking the excavated earth not more than 3 mtrs clear from the edge of excavation and then returning the stacked soil in 15 cm layers when required into plinths sides of each deposited layer by ramming and watering and then disposing of all surplus excavated earth foundations etc., consolidating as directed within all leads and lifts and handing over the useable materials available from excavation to department free of cost as per direction of Engineer-in-charge with in all leads and lifts.

Providing , laying, jointing ( by way of circumfrential butt welded joints by electrical arc welding ) and testing of MSERW pipe of following dia meters confirming to ISO 3183-2007, steel grade -A (latest with upto date amendments) having wall thickness as specified below with bevelled ends and capable of withstanding required test pressure in a random length of 4 to 7 meters, including manufacturing reducers/ tapers , all short pieces, bends etc. as per site requirement made from parent tubes . The laying of pipe will include all operations such as cutting, welding, jointing, fabrication of bends, tees etc. including lowering and laying in excavated trenches to ensure required level including flushing, cleaning and hydraulic testing complete in all respects to the satisfaction of the Engineer in charge. The fabricated bends shall have three or four cuts having its radius not less than five times the dia of pipe. The pipes shall be factory galvanized (zinc coating both inside and outside) as per relevant IS standards and the damaged portion of the pipes and specials made form the parent tube during welding or otherwise shall be provided anticorrosive treatment by applying two coats of anticorrosive bituminous paint over a priming coat as per AWWA specifications C-203-1978. The welding electrodes shall be as per IS 814 of Advani Oerlikon/ L&T or ISI marked make. The rates also includes entire carriage of material, flushing, cleaning & hydraulic testing complete to the best satisfaction & direction of Engineer in charge with in all leads and lifts. (Earth work in trenches will be measured and paid for separately).

250 mm dia MSERW pipe 4.8 thickness

400 mm dia MSERW pipe 4.8 thickness

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