Construction of standard RCC cum bricks circular sewers complete in all respects as per drawing design and specifications PCC 1:2:4, RCC M-20, brick work of innner ring in 1:2 cement sand mortar, outer ring in 1:5 cement sand mortar, total inner plaster 12.5 mm thick using 1:2 cement sand mortar with1 mm thick neat cement rendring, steel reinforcement TMT Fe 500, 3mm thick steel form work, complete in all respects by using mechanical mixer and vibrator. Type II (Under Medium Sub – Soil water conditions) 1145mm i/d P.T. sewer