Extra for providing 1:2 cement sand mortar on tytone rubber joint of RCC pipes having sockets extended out of barrel, in trenches including facing trowelling and finishing the joints at the angle of 45 degree with faces of socket keeping joints wet till cured, testing the pipe joints for leakproof and making good all leakage and defects as per specifications. NP1, NP2 and P-1 S/S joints pipes havinginternal dia meter:- 2000mm i/d pipe