prov., laying, jointing, cutting and testing of upvc pipe (200 mm and 300 mm i/d) and rcc np-3 pipe (800 mm i/d) const. of m.h. chamber including house conn. and w/s of 4 inch (100 mm i/d) to 16 inch (400 mm i/d) d.i. k-7 and k-9 pipe, const. of sv haudi
