2.Drain Canal : NNCL construct canal to drain rain water and retention pond over 300 rais with capacity 1,200,000 cm3/day.
3.Pumping Station : NNCL have 3 pumping station. North of the project 1 station and South project 2 Station with install 17 pump machines with capacity 734,000 cm3/day. We also have 3 temporary pumping station with capacity 114,000 cm3 Total capacity of drainage 878,000 cm3/day.
4.Pump machine : for emergency capacity 72,000 cm3/day
