Providing, Laying, fixing & jointing of iSi Marked H.D.P.E. Pipes as per iSi – 4984-1995 casting (Premium make such as Dura-line/Reliance with the approval of Engineer-in-charge) along the Trenches and laying the same in Trenches to correct alignment and gradients, cutting, jointing and testing complete as per specifications. H.D.P.E pipe of 4 Kg. PE-80 125 mm o/d