Nndomestic water supply system pdf

The flow of water to appliances is controlled by valves. Slideshare uses cookies to improve functionality and performance, and to. Water supply is the provision of water by public utilities, commercial organisations, community endeavors or by individuals, usually via a system of pumps and. An example of a direct cross connection is a piping system connecting a raw water supply, used for industrial fire fighting, to a municipal water system. Open well, tube well, hand pump, pond, dam site, external. This will allow the reinstatement of a supply but with the knowledge that much of the water entering the. Water supply world health organization, southeast asia. Drinking water supply and sanitation decade is that good coverage providing a large number of people with access to facilities does not equal success or sustainability. Domestic water supply domestic water supply means the source and infrastructure that provides water to households. With minor exceptions due to ice jams and flooding, this water supply has been reliable since before the civil. The system also automates the supply of water from the reserve tank for use when the water is scarce from the source. Because water supply and sanitation facilities are subject to misuse, nonuse, or breakdown, international donors and national governments alike. Domestic water system definition of domestic water. South part 2 exam questions identification where buildings or facilities contain water supply systems where the water supply systems have different degrees of hazard, then those water supply systems should be.

Mains shall be located 3 feet from the gutter on the northerly or lip of. Operation and maintenance of water distribution systems pseau. Water supply and sanitation food and agriculture organization of. Components of water transmission or distribution systems. Based on measurements of water quality for the source water, the treated water and the tap. Chapter 5 water supply law is the operating system of.

Location the following horizontal and vertical criteria shall be used to locate water mains. Legislation related to the management of water distribution system infrastructureg. Pdf automation of household water supply, treatment and. The advantage of roof catchment systems is that even light rain. An indirect cross connection is an arrangement whereby unsafe water, or other. This will allow the re instatement of a supply but with the knowledge that much of the water entering the. All pipelines of the distribution system, except the small service pipes connecting building systems to the supply. The quality of the municipal drinking water supply for the residents of phnom penh, cambodia is assessed.

Water safety in distribution systems world health organization. Pipes convey water from source to various appliances. The remains of probably the most remarkable and welldocumented ancient water supply system exist in rome, italy. Rehabilitating smallscale piped water distribution systems pdf. Abstract the provision of clean water supply is one of the major factors that greatly contribute to the socioeconomic transformation of a country by improving the health thereby increasing life standard and economic productivity of the society. The first priority is to repair major breakages in the system. Dont study it but learn it this ppt makes you to know about the water supply system. Basic concepts in determining design flow at system demand points. The primary water source of water for washington, dc, is the potomac river. Water transport and distribution systems ocw ihe delft.