WASTE WATER TREATMENT
Site surface rain water contaminated with soil shall be sedimented and treated with chemicals before discharging to the public drain.
(Based on Marina Barrage Project experience)
8-in.submersible pump is lowed to the corner of the pit. The engine is mounted to the steel frame. The pump is therefore can be adjusted up and down to suit different water level.
Working mechanism of the submersible pump
WATER SEDIMENTATION TANK
(DTL 1 C902)
Waste water sedimentation tank on one corner of the completed basement roof top