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IntroductionHot and Cold water systems in buildings are used for washing, cooking, cleaning and other specialised functions.Cold water for buildings is also known as potable water.Non-potable is supplied in some countries, this is not for drinking or cooking.
Mains water supply
Insulation all around tank
Alternative Cold Water Service (CWS) outlet
Cold Water Service (CWS) outlet at bottom ensures better draining.
Typical Cold Water Storage Tank
Cold Water Storage Tank No.2
Draining down valve
Cold Water Storage Tank No.1
Isolating Valves so that tanks can be emptied and cleaned.
Cold Water Supply pipes from opposite corners to inlets to tanks.
Cold Water Service (CWS) pipework
Typical Cold Water Storage Tank arrangement
A balanced flow of water to and from tanks is recommended and this is achieved by installing inlets and outlets at the same level and with the same lengths of pipework.