LESSON 3
WATER DISTRIBUTION SYSTEMS
TEXT ASSIGNMENT -------------------- Attached memorandum.
MATERIALS REQUIRED ----------------- None.
LESSON OBJECTIVE ------------------- To teach you how to design simple
water
distribution
systems
for
theaters of operations.
ATTACHED MEMORANDUM
1.
INTRODUCTION
a source, dams, floats, galleries, and
similar improvements may be used to
The construction and/or operation of
increase the quantity and quality of
water supply systems in the theater of
the water.
Some of the more common
operations, practically from the front
improvements
are
discussed
in
line back, is a function of engineer
succeeding paragraphs.
units.
The particular aspect to be
considered in this lesson is the
c. Precautions.
Elaborate
design
and
construction
of
water
developments should be avoided as
distribution
systems
for
TO
simplicity brings more rapid results.
installations.
Only small systems
A temporary water source should not be
will be designed because of time
converted into a permanent one until
limitations; however, the principles
the area has been reconnoitered for a
involved for these small systems can
source
requiring
less
development.
be applied to the design or evaluation
All intake hoses or pipes should be
of any system.
equipped
with
an
intake
strainer
regardless of the clearness of the
2.
DEVELOPMENT
OF
COMMON
WATER
water
source.
Suction
strainers
SOURCES
should be protected from floating
debris which may damage, clog, or
a. Scope.
Development of a water
pollute them.
Proper anchorage of
source
includes
all
work
which
suction lines and strainers prevents
increases the quantity and improves
loss of prime, punctured or kinked
the quality of the water, or makes it
lines,
and
damage
to
strainer.
more readily available for treatment
Figures 1, 2, 6, and 9 show several of
and distribution.
The development of
the common methods of suction inlet
surface water sources, springs, sea
anchorage.
is considered in this lesson.
d. Intake point.
Water at the
intake
point
should
be
as
b. Improvements.
In
developing
clear
and
deep
as
possible.
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