1mW Water Reticulation Design to SPAN-UTG 001
Overview of Water Supply System
Raw water is collected and treated in water treatment plant to produce potable water. Then, the treated water is supplied to service reservoir, which distributes water to its service area.
In the view of proposed development, supply main conveys water from either existing potable water source to the proposed service reservoir, or from a centralized service reservoir to proposed service area. External reticulation system on the other hand, delivers potable water to individual building.
Water supply system can be either gravity, pumped, or combination of both.
For gravity system, the upstream hydraulic grade needs to be higher than downstream to ensure smooth transmission. When it is infeasible due to topography, pumping system is introduced to increase the head.
The operational cost of gravity system is significantly lower than pumped system.
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