IV. Retreatin~ Shorelines
245
®
\
YL
i:i
...... ',, ',"
t ~--~
o
12I
r
j?°
i.
ENTRANCE
SUCTION
PIPE
2.
SUCTION
PIPE
3.
HIGH PRESSURE
WATERJET
4.
SANDPUMP
5.
SPRAYING
TUBE
6.
HEAD LINE
7/8. SIDE LINE
9.
AFTER LINE
Fig. 30c : Stationary suction dredger