6.
Which considerations are important for the proper selection of a field water
purification unit site?
a. Good view.
b. Level terrain.
c.
Access to roads and power lines.
d. Adequate buiIdings for housing personnel.
e. Adequate utiIities (sewer, water, and gas).
f.
Area large enough to accommodate all equipment.
7.
The intake for a WPU should never be located near, and always upstream from:
a
Dams.
b. Rapids.
c.
Latrines.
d. Fishing areas.
e. Bathing areas.
f.
Sewer outlets.
8.
The raw water pump should be placed not more than ______ feet from the WPC.
9.
The raw water suction hose should always be at least ___________ incles below
the surface water.
10.
How many feet should the suction strainer be below the surface if the water at the
source is 6 feet deep?
MD0160
5-46