Table 1-2. Equipment data specifications
600-GPH ROWPU, Fuel Consumption:
Brackish Water (TDS 1500-15,000 @ 77F water temperature)
1.2 to 2.3 GPH
Sea Water (TDS 1500-35,000 @ 77F water temperature)
2.0 to 2.6 GPH
Fresh Water and NBC Contaminated Fresh Water (TDS up to 1500 @
0.6 to 1.8 GPH
77F water temperature)
30-KW Diesel Generator, Fuel consumption:
Fuel Oil Diesel
Federal Stock Number
Quantity Required for
Quantity Required for
Initial Operation
8 Hours of Operation
Regular Grade DF 2
9140-286-5294
30 gallons
35 gallons
Winter Grade DF 1
9140-286-5286
30 gallons
Arctic Grade DF A
9140-286-5283
30 gallons
Ether Bottle
2910-209-4997
1
Determining Supply Requirements. There are two ways to determine other supply requirements:
one is historical, and the other is using ROWPU consumables tables. An example of a ROWPU
consumables table (Table 1-3, 600-GPH ROWPU) is provided.
Historical data are always preferred provided accurate records were kept. The review of past production
logs and the continuous operation of the equipment that those logs represent are the most accurate method.
This is true for other supplies as well as for fuel.
In the case, however, where you do not have such a record, you will need the ROWPU consumables
table to determine the requirements other than fuel supply for five days operation of a ROWPU.
PART D ROWPU MAINTENANCE SUPPORT REQUIREMENTS
The Potable Water Planning Guide and applicable TMs will include all necessary information required for the
specific type of ROWPU used.
Coordination. The force structure for water support in theater operations divides water support into DS
and GS levels. DS capabilities are sufficient to meet requirements in temperate, tropical, and arctic regions.
However, in arid regions where sufficient water sources are not available, GS water systems are established.
Coordination of maintenance support for a unit, general or direct support, requires that your water section
can still maintain mission requirements. To do this, you, as the NCOIC, need to check that your mission
requirements are being met and that there is no shortfall. You are also to ensure that each water point under
your command has only one ROWPU down for maintenance at any given time. It may be necessary to rotate
the ROWPU units to maintain production rates at a water point that is required to produce more potable
water than other water points.
In addition, as seen from the scenario, in cases of shortfall, it may be necessary to request additional
equipment and personnel. Therefore, coordination with the division G4 and the DMMC for maintenance
support is required to ensure the mission requirements are met. They can also upgrade priorities, if
necessary, when ordering parts for equipment, putting more water purification equipment into operation, or
increasing your operating personnel requirements in order for you to successfully meet the total daily
demand of supported units.
Besides the delivery of equipment, parts, and personnel, maintenance support provides the necessary
turnaround for expendable supplies, including fuel, chemicals, and other supplies necessary for you to
complete your mission.
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QM 4923
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