Question: Explain various types of intake structures.

Subject : Environmental Engineering 1

Topic : Water Supply and Distribution of Water

modified 9 months ago  • written 9 months ago by gravatar for Abhishek Tiwari Abhishek Tiwari50

Following are the various types of intake structure

a) Canal Intake

b) Reservoir Intake

c) Lake Intake

d) River Intake

Canal Intake

• As water level in the canal remains more or less constant there is no need of providing pipes at various level.

• A canal intake consist of a pipe placed in a brick masonry chamber constructed partly in the canal bank.

• Opening of structure provided with coarse screen & end of pipe inside the chamber is provided with bell mouth fitted with hemispherical fine screen.

• The outlet pipe carries the water to the other side of canal bank, from where it is taken to treatment plants

enter image description here

Reservoir Intake

• A reservoir is formed by constructing a dam or weir across the river.

• The dam may be an earthen dam, masonry dam or concrete dam.

• Water level in reservoir changes from time to time, intake pipes are provided at different levels.

• Reservoir intake used to draw the water from earthen dam.

• It consists of an intake tower constructed a slope of the dam.

• Screen are provided to intake pipes and are controlled by sluice valve provided to control water flow.

enter image description here

c) Lake Intake

• These intake are constructed in the bed of the lake which consist of a pipe & a bell opening, protected by timber or concrete crib.

• Water flows from the opening and is collected din sump well and then pumped to treatment plants.

• These intakes are cheap in construction.

enter image description here

d) River Intakes

• It is circular masonry tower well of 4 to 7 m diameter.

• It is constructed along the river bank at a place from where water can be drawn in required quantity.

• This intake located at bank of river it is called as share intake.

enter image description here

written 9 months ago by gravatar for Abhishek Tiwari Abhishek Tiwari50
Please log in to add an answer.