Table 1-1. Conventional Theater Planning By Army Force Echelon/Command Level
Medium Force Deployment, Division Level or Nondivisional Force Equivalent
Division Force Organic Functional Mission Gal/Man/Day Requirements:
FORCE ECHELON/
HOT
TEMPERATE
COLD
COMMAND LEVEL
FUNCTIONAL
Tropical
Arid
MISSIONS
Sustaining
Minimum
Sustaining
Minimum
Sustaining
Minimum
Sustaining
Minimum
Universal Unit Level
Consumption
7.70
5.00
7.90
5.20
6.10
3.40
6.60
3.90
Level I and II Medical
0.40
0.40
0.40
0.40
0.40
0.40
0.40
0.40
Aircraft Maintenance
N/A
N/A
0.20
0.20
N/A
N/A
N/A
N/A
Engineer Construction
N/A
N/A
0.40
0.40
N/A
N/A
N/A
N/A
Total
8.10
5.40
8.90
5.80
6.50
3.80
7.00
4.30
Non-Division Level Functional Mission Gal/Man/Day Requirements:
HOT
TEMPERATE
COLD
FUNCTIONAL
Tropical
Arid
MISSION
Sustaining
Minimum
Sustaining
Minimum
Sustaining
Minimum
Sustaining
Minimum
Central Hygiene,
Shower, & Laundry
Operations
N/A
N/A
9.80
N/A
N/A
N/A
N/A
N/A
Mortuary Affairs
Operations
N/A
N/A
0.10
0.10
N/A
N/A
N/A
N/A
Level III & Level IV
Medical Operations
1.20
1.20
1.20
1.20
1.20
1.20
1.20
1.20
EAD Engineer
Operations
N/A
N/A
0.80
N/A
N/A
N/A
N/A
N/A
Calculating Total Daily Requirement. To get the total daily requirement for the support force
multiply the total force personnel of 4,000 by the daily consumption factor of 8 gallons (4,000 x 8 =). This
results in 32,000 gallons per day. The next step is to determine the shortfall, if any, which is the number of
gallons short of the total necessary per day to sustain the force given the full capacity of the equipment
designated for the mission.
Determining Shortfall. To determine the shortfall, it is necessary to first calculate the production
capacity of all the ROWPUs at your command to determine the daily water production rate and then subtract
that result from the total daily requirement. The difference between the numbers will be the shortfall if the
result is lower than the total daily requirement. To determine the total production flow, however, you will first
have to calculate the flow of one ROWPU. To do this, use the water production graph (Figure 1-1) to
determine the production flow of one ROWPU.
Before using the water production flow graph (Figure 1-1), you need to have information on the water
quality, TDS, and water temperature. From the scenario, you are given that the water quality is saline, the
TDS is at 20,000 milligrams per liter, and the water temperature is 35C. By applying this scenario
information to the Water Production Flow Graph (Figure 1-1). You can determine the production flow of one
600-GPH ROWPU.
1-3
QM 4923
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