b. The assigned mission for the TWDS (such as dispensing, storing, or
transferring water).
c. Expected length of time the TWDS will be required to operate.
d. Elevation differences and distances the TWDS will encounter along
its route.
2. Organize a ground reconnaissance prior to installation of the TWDS to
determine exact locations for pumping stations, storage assemblies, and
distribution points.
a. The minimum requirements for selecting the route are a sketch of the
proposed hose line route, odometer distances, and enough topographic
information (surveying altimeter elevations) to establish relative altitude
at various points along the hose line route.
b. If possible, site locations must be near or parallel to existing
roads to ease transportation, assembly, inspection, maintenance, and
disassembly of the system.
Avoid routes along the banks of streams,
marshes, ponds, gullies, ravines, or other areas subject to flooding.
Whenever possible, the hose line is laid out on firm, dry, level ground that
allows easy access and is not subject to flooding.
3. The following guidelines must be used to gain maximum effectiveness for
installation and operation of the system:
a. Select a route that is direct and present a minimum number of
obstacles and obstructions.
b. Select a route parallel to a secondary
all-weather
road
is
preferable to one along a heavily traveled road.
c. If roadways do not exist or cannot be used, select a route that is
accessible to vehicles required for laying the hose line.
Consider the
environmental impact to the area caused by the vehicles off road use.
d. Plan to locate junction of two hose line lengths at installation
sites for each boost pumping station and storage assembly.
e. Keep security precautions in mind. Use natural camouflage whenever
possible, and avoid routing the hose line through populated areas.
4. In selecting pumping station installation sites, the location of the
lead or first pumping station will be
3-5
QM4912
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