19. A section of main in a water
for a branch.
The peak demand for
distribution
system
you
are
the building served by the branch
designing is 1,200 feet long and
is 70 gallons per minute, its
must carry a peak flow of 200
length
is
350
feet,
and
the
gallons per minute.
Among the
allowable
headloss
between
the
sizes you try is 6-inch pipe. What
storage
tank
and
the
service
will be the headloss in feet of
connection is 25 feet of water.
water for this 6-inch section of
The headloss in the main between
main? (Assume C = 100)
the storage tank and the branch
a. 6.8
c. 7.8
line is 11 feet of water.
What
b. 7.2
d. 8.2
pipe size (in inches) will you
specify? (Assume C = 100)
20. You are designing a water
a. 3
c. 5
distribution system, and need to
b. 4
d. 6
decide on the pipe size required
3-26
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