ARMY TM 10-4610-309-14
MARINE CORPS TM10802A-14/1
0027 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR INSTRUCTIONS
OPERATION UNDER UNUSUAL CONDITIONS
c. After adding the caustic, slowly add 15 lbs of calcium hypochlorite.
d. To establish circulation, leave RO Clean Feed Valve V-701 closed and open HP Pump
Shutoff Valve V-212 to circulate the solution through the entire system (see Figure 2 for
valve location).
e. Continue circulation for 4-hours.
f. Complete following the normal cleaning procedure.
g. Perform a product water flush of the system (Short Term Shutdown, WP 0017).
4. Decontaminate the raw water pump(s) as follows:
a. During the extended soak, move the raw water pump(s) to the TWPS.
b. Install the plug(s) in the inlet connection(s).
c. Using the raw water pump priming pitcher, collect decontamination solution from the RO
Feed Tank Auxiliary Drain Valve V-210 and drain tube (see Table 2 and Figure 5 for
valve location).
d. Pour the solution into the pump(s). Repeat until the pump(s) is (are) full.
e. At the end of the soak, drain the pump(s) into a chemical bucket and pour back into the
RO feed tank
f. Flush the pump(s) with product water from a distribution nozzle.
5. Remove the MF and RO elements as follows:
WARNING
Chemical burn hazard. Wear the protective goggles, face shield, apron and gloves.
The residual caustic and chlorine will cause skin burns and may cause serious eye
damage if direct contact occurs.
a. Fill the chemical buckets with product water for rinsing gloves and any skin areas that
may come in contact with decontamination solution.
b. Remove the MF elements, cups and O-rings. Flush with product water and set aside for
disposal.
c. Flush the MF element center tubes and the heads with product water before re-installing
the center tubes.
d. Remove the RO elements, flush the outside with product water and set aside for
disposal.
6. Remove all the hoses and adaptors that were deployed and set them aside for disposal.
NBC SURVIVABILITY
The CAC cover is supplied to provide equipment survival from an NBC agent attack. The doctrine
assumes that a warning of a possible NBC agent attack is provided. Install the cover as described in WP
0010, Other Set-Ups Operation Under Unusual Conditions.
0027 00-19