Providing, Stringing out, cutting, Jointing and testing of C.i. Double Flanged pipes with casted flanged as per iS:7181, Class-B (iSi marked with the prior approval of Engineer-in-Charge) and laying the same in trenches to correct alignment and gradients,jointed with nut bolts and rubber insertion fitted complete including all cartage. 125mm i/d pipe lines laid complete