The Four Major Water Supply Distribution Systems Are

By Aina Parasher|Updated : July 13th, 2022

The four major water supply distribution systems are-

  1. Dead end, tree, grid iron and reticulation
  2. Dead end, tree, grid iron and circular
  3. Tree, grid iron, ring and radial
  4. Tree, reticulation, circular and ring

Answer: C. Tree, grid iron, ring and radial

The four major water supply distribution systems, are tree, grid iron, ring and radial.

Solution

Water supply distribution systems can be classified into four types which are as follows- Dead end system or tree system, Grid iron system, Ring system, and Radial system.

Dead end system or tree system:

  • In the dead end system there is one main pipe which divides into various sub-mains pipes and further divides into lateral pipes.
  • Dead end systems are easy to design 
  • Dead end system is a cheap and simple method of design of water distribution system
  • In the dead end system, a lot of wastage of water occurs due to dead end of pipes
  • In the dead end system water can reach any location from one way only.

Grid iron system:

  • In a grid iron system mains, sub-mains and laterals are interconnected through each other. This ensures the smooth flow of water.
  • In a grid iron system water can reach any location through many possible ways so,in case of maintenance of any pipe, water supply does not get disturb in the region.
  • In the grid iron system pressure at every point is equal.

Ring system:

  • In the ring system Mains pipes are laid over the entire area hence it requires a lesser number of sub-mains and laterals.
  • In the ring system there is less number of valves required.
  • Design of the ring system is cheaper than Grid iron system.

Radial system:

  • In the radial system, area is divided into several parts and a reservoir is located at the centre of each part.
  • Radial system of water distribution is used for highly classified cities.

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