Construction of RCC circular storm sewers cast in situ whithout having any cover and is subjected to direct heavy traffic complete as per drawings and designs Using PCC 1:6:12 cement sand and stone aggregate, RCC M-25, Mild steel reinforcement TMT Fe 500. steel form work, 12.5 mm thick cement plaster 1:2 with 1 mm thick neat cement rendering by using mechanical mixer and vibrator complete in all respects. 36″ ( 915 mm ) i/d RCCStorm Sewer