The cold water basin is constructed from F.R.P. (Fiberglass Reinforced Plastics) which is corrosion free and is supported by HDG steel frame underneath. Th e cold water basin is also slopping basin to ensure the dirt and sediments trapped inside the basin is being diverted towards the depressed sump in the centre of basin. Th e depressed sump will prevent air lock from occurring during the tower operation. Th e sump is also supplied with suction strainer, makeup water ball valve, overfl ow and drain connection. Th ere is a high quality special mat above the cold water basin that will absorb most of the water drop noise.