water supply

As the name suggests this type has an end at every branch of pipes. Mainly 3 types of pipes are there. Main pipe which takes the water from reservoir and Sub mains that are connected to main pipe takes water and distributes to the houses through Branches. These branches are not connected continuously. They have a fixed end called Dead End.

This type of distribution takes into account when there is no proper planning of roads in a city.

In case of any repair of pipes a large area will be affected. Water might be stagnated in the pipes if there is no supply, and it leads to the development of Bacteria. If main pipe has to be repaired, then total supply will be stopped.

For fire accidents very low amount of water only supplied.

This type of system suitable for well-planned cities with rectangular road designs. Here the main pipe laid along the middle of the city and submains and branches are interconnected.

In case of any repair of pipes only small area will be effected and water cam be supplied from other pipes. For fire fightings a large amount of water can be supplied for the affected area by controlling the valves from other pipes.

Here the main pipe laid around the city. So that water will reach all over the city with max efficiency. In case of any repair there will not much effect for the area.

The water will be stored in a tank which is located in the middle of the city and then will be distributed to all the houses by the action of gravity.

Water can be supplied in case of absence of power supply also.

Ref: What are the four different types of water supply distribution systems? - Quora