BUILDING SERVICES I

BUILDING SERVICES IWater supply in buildings

Water supply in buildings

Water supply network for buildingAim of designing network within the buildingRate of flow of water of all outlets shall be more or less equalInstallation should prevent wastage of waterSupply to an outlet should not be severely affected by operation of other outletsRate of flow of water should be convenient and satisfying to the user

Water supply network for buildingUpfeed systemWater is fed directly either from municipal main or through hydro-pneumatic systemWater is allowed to be drawn by individual consumers from rising mainsThe amount of water which goes into the overhead tank is the residual water after draw off by the various occupants at different floorsRequires high pressure to be maintained in the pipe line for all 24 hoursNot much of use under Indian conditions

Water supply network for buildingDownfeed systemThe mains discharge water into the overhead tanks, which are normally situated at the highest position, where the water pressure in municipal mains is high enough to reach the terrace level Mostly, underground reservoirs will have to be built to collect water from municipal mains and pumping done to fill the overhead reservoir.

References:

Hammer, Hammer Jr. (2011). Water and Waste Water Technology. PHI Learning Private Limited.

Rangwala, S.C. (1998). Fundamentals of Water Supply and Sanitary Engineering. Charotar Publishing Company, Anand.

Panchdhari, A.C. (1993). Water Supply and Sanitary Installations. Wiley Eastern Limited.