Sewage is generally planned to flow by gravity in approved sewer pipe material and conveyed to
the existing sewerage system. The proposed sewer line has been planned and incorporated into
the pre-cast manholes at the premix road before its discharged into existing sewerage system.
Proposed hinges manhole cover will be installed with ‘KUMBAHAN’ logo and the proposed
sewerage system will be handed over to Indah Water Konsortium Sdn. Bhd.
The proposed reticulation system will consist of vitrified clay pipes with minimum diameter and pre-cast sewer manholes not less than number in meter deep provided at distance not exceeding
100 meters and at every change in direction, gradient and size of sewer pipe.