Gravity Flow Water System

A main pipeline including a pipe bridge.

Gravity flow water system.

An intake that is screened from debris and submerged sufficiently to ensure no air enters the pipeline a properly sized pipe diameter considering the pipeline length the elevation difference the energy available to move water and the water flow required. Before the system can be designed the area must be surveyed. 3 how it s organized. Jordan jnr intermediate technology publishing.

Maximum pressure limits. The water source 3. This section contains photographs that detail the construction of a gravity flow water system for 32 families. The system cost 130 per family and took 30 people 18 days to build.

General system design and design parameters i t. Pipeline design 5 summary of suggested design guidelines 19 l 1 3 6 11 2 5 10 18 appendices a. General explanation of flow. If this is your first gravity flow water system and you want to begin designing or check if a design will work keep on reading.

The system consists of. The following are a list of design parameters that are important in the design of gravity flow water systems. This allows gravity to do all the work of moving the water through the system eliminating the need for a water pump whether mechanical or electric. Condensed from a handbook of gravity flow water systems thomas d.

The taps and valves closed state should be the maximum. Gravity flow water systems practical design notes for simple rural water systems contents pagec 1 introduction 2. The exercises follow a logical order for designing a distribution system and increase in difficulty. This book s for you.

It consists of a cistern or holding tank at a higher elevation than the point of use.