Providing Water Portion of Logistics Estimate. The logistics estimate provides an accurate and
current assessment of the CSS situation of the organization, its subordinate units, and any attached or
supporting elements. When preparing, reviewing, and approving detailed water purification plans, a major
responsibility is to provide information to the water portion of the overall logistics estimate.
S4 section formulates information requirements:
Identify information requirements from the restated mission, analysis of the area of operations, and
Petroleum Group's logistics summaries.
Identify policies and procedures from the tactical SOP.
Identify current information holdings by reviewing S4 workbook, situation maps, policy files, and journals.
Identify agencies and/or documents where required information may be obtained.
S4 section assembles required information:
Coordinate tactical situation, terrain considerations, and intelligence information requirements with
Identify equipment shortages by reviewing subordinate units' equipment levels.
Identify critical not-mission-capable equipment from material condition status reports.
Coordinate for personnel strength, projected losses, and replacement data with S1.
Calculate battalion class I, II, III, III (packaged), IV, V, VII, and IX supply requirements.
Calculate battalion equipment, maintenance, and supply assets.
Coordinate for projected resupply rate and priorities with the Petroleum Group S4.
Calculate maintenance work load requirements.
Calculate projected battalion transportation requirements.
Calculate projected field services requirements for HHD and subordinate units.
S4 section prepares logistics estimate:
List the impact of tactical situation, terrain, and intelligence information on logistics courses of action.
List the impact of PSS data on logistics courses of action.
Compare assets against projected requirements.
Identify all internal logistics shortfalls.
Prepare an overall internal logistics statement.
Develop courses of action based on available information.
Conduct comparative analysis of possible courses of action.
Recommend the course of action that best supports the Petroleum Group's course(s) of action and the
battalion commander's restated mission from an internal logistics viewpoint.
Forward logistics estimate to battalion commander for approval.
S4 section disseminates logistics estimate:
Provide oral/written presentation to commander and XO.
Providing Water Portion of Service Support Annex to OPLAN.
The staff logistics officer at each level must include water supply guidance in logistics support plans. Some
specific areas that are critical to any water support plan are as follows:
Development of detailed inland distribution plans that itemize units by UIC and their anticipated grid
square of operations.
Recognition of specific water support requirements for the other services, allied forces, or host nation
Recognition of applicable STANAGs.
Recognition and development of OPROJ stocks that support specific operational plans.
Full development of a force that supports the required water purification, storage (to include DOS), and
distribution mission of the theater.
List water points, storage, and distribution sites, and dry point locations.
State supply plan and procedures.
Post supply point locations to service support matrix and overlay.
Applying Applicable QSTAG and STANAG to OPLAN. An OPLAN must give consideration to
any applicable multinational agreements in place that dictate specific water quality standards and treatment
requirements. Field water quality standards have been developed by international agreements among the