Water Demand Calculation Malaysia
Da additional water demand.
Water demand calculation malaysia. W average daily water demand. 03 8317 9333 334 335. Suruhanjaya perkhidmatan air negara ground floor and first floor prima avenue 7 block 3510 jalan teknokrat 6 63000 cyberjaya selangor tel. C per unit consumption.
In quite a lot of trans port and distribution systems in developing countries this is the most significant consumer of water accounting sometimes for over 50 of the total water delivery. Chapter 6 of this manual provides guidance for determining erus. Suruhanjaya perkhidmatan air negara ground floor and first floor prima avenue 7 block 3510 jalan teknokrat 6 63000 cyberjaya selangor tel. The following equations were developed to calculate water demand on a per residential connection or equivalent residential unit eru basis.
Both documents will contain a download link for the wdc. A realistic demand for a supply system will always be far less than the total theoretical demand. Q et expected total water flow l s q nl demand of largest consumer l s. Based on malaysian jkr standards the water demand formula for housing estate is as follows.
Water demand calculator provisions for using the wdc will be published in the 2018 upc and 2017 we stand appendices. Peak demand is obtained by multiplying the average demand by the peak factor of 1 2. 2 5 1 water demand estimation. 5 1 3 peak demand hourly variations in water demand result in the use of peak factors in the design of pipelines.
To calculate total system demand multiply the per unit demand by the total number of erus to be served. On time period for which maximum water demand is desired for community when given annual average per capita daily water use rate. Unaccounted for water an unavoidable component of water demand is unaccounted for water ufw the water that is supplied free of charge. W n.
F service factor. Expected demand in a water supply system can be estimated as. 03 8317 9333 334 335. Average demand in a water distribution system is the total daily demand requirement divided by 24 hours.
Q et q nl 0 015 σq n q nl 0 17 σq n q nl 1 2 1 where.