ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
PREPARATION FOR USE AND INSTALLATION INSTRUCTIONS
SITE SELECTION AND COMPONENT LOCATION
SITE SELECTION
The site selection of TWPS must be carefully planned to assure the safety of crew members and the
reliable operation of water production. The following items must be considered in selecting a site for
TWPS operations:
Source of water
Operating space
Local ordinances
If a stream is to be used as the raw water source, pick a site for the TWPS upstream from the general
population and ensure that the site provides downstream wastewater drainage away from the water
source. Avoid wells which are encased with steel or which use steel piping. Iron will rapidly foul the RO
elements. Also avoid wells that smell of sulfur. Any well water observed to leave significant residues of
salts should, if possible, be avoided.
If the raw water source is from a sandy beach location and if surf conditions or tide extremes make it
difficult or impossible to use the floating inlet strainer, the OISS should be deployed instead of the floating
inlet strainer. For OISS setup see WP 0008.
Consider variable weather conditions when choosing the site and avoid areas subject to flash flooding,
high tides, etc. In hot weather take advantage of available forest cover. In freezing weather take
advantage of existing shelters and windbreaks.
NOTE
Before setup, refer to manuals FM10-52-I Water Supply Point Equipment and
Operations and TB MED 577 Occupational and Environmental Health for
specifications covering water reconnaissance and water source and water point
development.
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