Page 116 - Water and wastewater engineering

INTAKE STRUCTURES 3-13

A
8.35 m
0.75 m
1.5 m 2.3 m 2.3 m 1.5 m
Air Intake
backwash
screen
piping

Access
manhole

75 m diameter
piping
6 m

3 m

1 m dia. screen
A
Conical cylinder w/ 3 mm
debris Section A-A slot openings
deflection
Intake screen
Water
surface
Channel
flow
1.0 m dia.screen cylinder
w/ 3 mm slot openings

20 cm air
backwash piping
Channel
bottom
1.2 m

1.8 m steel raw
water pipeline
1.5 m

1.4 m 1.4 m
1.7 m 2.8 m 1.7 m
Section A–A
FIGURE 3-8
Submerged intake T-screens with typical dimensions.