(2) Repair cartridge filter (para. 3-20). Dispose of contaminated cartridge filters in accordance with Property
Disposal Officer (PDO).
(3) Clean basket strainer (para. 3-22). Transport debris to disposal sump. At the end of the NBC mission, dispose of
contaminated overscreen in accordance with PDO.
(4) Replace RO elements (para. 3-28) at the end of NBC mission. Dispose of contaminated RO elements in
accordance with PDO.
(5) Flush water (para. 4-25b).
Chlorine may not neutralize all chemical agents. Refer to NBC personnel to deter-
mine chemical agent present.
This procedure will run chlorinated water through the system to destroy biological
(a) Disconnect raw water pump power cable first at the van, then at the raw water pump.
(b) Disconnect hoses and open pump drain and priming valves.
The van raw water inlet should be capped.
(c) Move the raw water pump to a location near the storage tanks.
(d) Pull in suction hoses and disconnect sections. Bring hose sections to pump.
(e) Connect previously deployed suction hose sections to the pump. Wash off suction hoses and intake strainer
thoroughly using the distribution pump.
(f) Place strainer in one water tank and push in extra hose.
(g) Connect all previously deployed sections of raw water discharge hose directly to the raw water pump. Layout
hose so end is near the raw water source.
(h) Disconnect hose connecting the third water tank and cap both the tank and hose.
(i) Add hypochlorite to the two connected tanks. Add three packets to each tank. Add slowly and spread over the
(j) prime the raw water pump following normal procedures (para. 2-17b). Pump through discharge hoses for 3
minutes. Stop pump and crimp the hose section nearest the pump.
(k) Disconnect ail but one hose section. Connect remaining section to the van raw water inlet.
(l) Start-up normally (para. 2-19). Leave system pressure control valve fully open.
(m) Continue to operate for 30 minutes. Fill clean/flush tank using the cartridge filter utility hose. Do not add
(n) Backwash media filter, para. 2-21. When completed, close feed valve.
(o) Remove intake strainer and hose from the tank and place into the third storage tank.
(p) Start up again and operate as before for 10 minutes.
(q) While operating, fill the clean/flush tank to 50 gallons (189l) using the product utility hose. The product shut
off valve will have to be closed to provide pressure but must be opened before closing the utility hose valve. Add two
large bags of bisulfite. Continue filling to 100 gallons (379 l).
(r) Shut down to standby (para. 2-18).
(s) Follow bisulfite sanitizing cleaning procedure (para. 2-26).
(t) Complete normal shutdown procedures (para. 2-23i).
g. Refer to FM3-5 for general NBC decontamination procedure. Further decontamination of ROWPU to be accom-
plished at decontamination site.