A098 Domestic water demand

Demand analysis for residential water supply systems in Hong Kong

Brief:

This study surveyed the water usage patterns through face-to-face interviews and simple on site measurements from some typical high-rise residential buildings in Hong Kong and investigated the probable maximum demands of domestic appliances in terms of fixture units determined at an allowable failure rate of 1% of the peak hourly demands. The fixture units of a WC, a washbasin, a shower, a kitchen sink and a 5L washing machine were quantified and compared with the current design values. The results showed that the latter must be reviewed. This study hence provides a useful source of reference for the optimization of water supply and piping systems in high-rise residential buildings.

This work forms part of an undergraduate final year project. Student: W.Y. Liu (BEng)

Further information:

Wong LT, Liu WY, 2008. Demand analysis for residential water supply systems in Hong Kong, HKIE Transactions 15(2) 24-28.