TM 55-1930-209-14&P-19
CHAPTER 5 DRINKING WATER SYSTEM PMCS
Section I. General
5-1 Introduction. Chapter 5 contains Preventive Maintenance Checks and Services for the Reverse Osmosis Water Purification Unit
Barge Drinking Water System. Operating and maintenance procedures are described in detail in TM 55-1930-209-14&P-5. TM 55-
1930-209-14&P-5, Appendix C also contains complete Preventive i Maintenance Checks and Services for the Drinking Water System.
5-2 Major components. The drinking water system consists of four storage tanks, reserve tank, two discharge pumps, drinking
water pressure set, sink, shower, washdown station, valves, piping, and electrical controls and circuitry. Table 5-1 lists the major
components of the drinking water system, their basic function and location on the barge.
Table 5-1. Major Components of Drinking Water System
Component
Function
Location
4 storage tanks
Store drinking water
Tanks 1 and 3 - void 3
starboard
Tanks 2 and 4 - void 3
port
4 storage tank liquid
Indicate water level in
One on each storage
tank level indicators
storage tanks.
High and low tank
with level switches
level switches automatically
start/stop discharge pump.
Liquid level data is monitored
and transmitted to monitoring system
250-gallon reserve
Stores drinking water for
Void 3 port - near
use onboard barge
shell tank
Reserve tank liquid
Indicates water level in
On reserve tank
level indicator
reserve tank
Drinking fountain
Provides drinking water
Dayroom
onboard barge
Sink
Provides water onboard
Dayroom
barge for personal hygiene
and other uses
2 discharge pumps
Pump drinking water to
Discharge pumps 1 an J
shore facility or to port
2 - void 3 port near
discharge
aft bulkhead
Drinking water
Supplies drinking water
Void 3 port - near
pressure set
for use onboard barge
shell
including filling of
reserve tank
Salinity cell
Monitors drinking water
Void 3 port - in
salinity and transmits
discharge pump
data to monitoring system
discharge line
Change 1 5-1
