AF Form 848: Download Inventory of Backflow Prevention Devices

AF Form 848: Download Inventory of Backflow Prevention Devices – AF Form 848: Inventory of Cross-Connection Control and Backflow Prevention Devices is a critical U.S. Air Force form used to document and track backflow prevention assemblies across military installations. It supports safe drinking water systems by helping prevent contamination from cross-connections.

What Is AF Form 848?

AF Form 848, titled Inventory of Cross-Connection Control and Backflow Prevention Devices, serves as an official inventory tool for listing every backflow prevention device on an Air Force installation. It documents the presence, location, and details of devices that protect potable water supplies from potential backflow or backsiphonage events.

The form is referenced in Department of the Air Force Manual (DAFMAN) 32-1067, Water Systems, and related instructions like the former AFI 32-1067. It complements other forms such as:

  • AF Form 845 (Cross-Connection Information)
  • AF Form 843 (Backflow Prevention Device Inspection Data)

Civil engineers and the base Backflow Prevention Program Manager (BPM) use it to maintain compliance with Air Force policy, the Uniform Plumbing Code (UPC) Section 603 on cross-connection control, and applicable state/local regulations. Fire protection systems are typically exempt from certain requirements.

Why Cross-Connection Control and Backflow Prevention Matter in the U.S. Air Force?

A cross-connection occurs when a potable (drinking) water line connects to a non-potable source, such as industrial processes, irrigation, or chemical systems. Backflow happens when pressure reverses, potentially pulling contaminants into the clean water supply. This poses serious health risks, including exposure to bacteria, chemicals, or other hazards.

The Air Force mandates a robust Cross-Connection Control Program (CCCP) to:

  • Protect personnel, families, and mission-critical operations from waterborne illnesses.
  • Comply with federal Safe Drinking Water Act principles, EPA guidelines, and DoD standards.
  • Meet Unified Facilities Criteria (UFC) and plumbing code requirements.

Installations must survey all facilities (including non-government owned ones connected to DAF water systems) and water-using equipment every five years. Results are recorded on AF Form 848, in a computerized maintenance management system (CMMS), or approved state submittal forms.

Key responsibilities fall to:

  • Base Civil Engineer (BCE) personnel.
  • The Backflow Program Manager.
  • Bioenvironmental Engineering (BEE) or qualified contractors.

New and existing devices must be accessible for testing and maintenance (typically 1–5 feet above floor/grade with proper clearances) and documented appropriately.

How to Use AF Form 848: Key Sections and Completion Guidance?

While the exact PDF layout includes standard fields for inventory tracking, the form generally captures:

  • Installation/Facility Information — Base name, building numbers, and locations.
  • Device Details — Type of backflow preventer (e.g., reduced pressure principle assembly, double check valve, air gap, vacuum breaker), manufacturer, model, serial number, size, and installation date.
  • Location and Hazard Classification — Specific placement within the facility and the degree of hazard (high or low) per UPC criteria.
  • Survey/Testing Information — Dates of inspections, test results, and any required repairs or replacements.
  • Remarks/Notes — Additional observations, such as accessibility issues or recommendations.
  • Signatures and Approvals — Certified tester, BPM, or civil engineer sign-off.

The form helps create a comprehensive inventory for scheduling annual testing of testable devices (after installation, repair, relocation, or at least yearly). Test results are often cross-referenced with AF Form 843.

Best practices for completion:

  • Conduct surveys systematically across all buildings and water-using systems.
  • Update the inventory whenever devices are added, replaced, or relocated.
  • Integrate data into GIS utility maps or CMMS for better tracking.
  • Ensure certified technicians (meeting state/Air Force training standards) perform work.

You can download the current official AF Form 848 directly from the Air Force e-Publishing site: https://static.e-publishing.af.mil/production/1/af_a4/form/af848/af848.pdf.

  • Survey Frequency — Comprehensive backflow/cross-connection surveys every 5 years (DAFMAN 32-1067).
  • Testing — Testable assemblies must be tested annually (or more frequently as needed) by certified personnel.
  • Design Priorities — Eliminate cross-connections where possible before installing devices. Follow UFC 3-420-01 and manufacturer instructions.
  • Recordkeeping — Maintain records for compliance audits, including device accessibility and hazard assessments.
  • Program Oversight — The BPM develops testing schedules and ensures enforcement.

Bases in the U.S. primarily follow the Uniform Plumbing Code (UPC) Illustrated Training Manual for inspection, testing, installation, repair, and replacement, with Air Force policy taking precedence in conflicts.

Non-compliance can lead to health risks, regulatory violations, or mission impacts. Proper use of AF Form 848 supports proactive risk management.

Tips for Air Force Personnel and Contractors

  1. Maintain an Up-to-Date Inventory — Use AF Form 848 as the foundation, but consider digital tools or CMMS for efficiency.
  2. Coordinate with Certified Testers — Only qualified individuals should inspect and test devices.
  3. Document Everything — Include locations, serial numbers, test dates, and results to streamline audits.
  4. Plan for Accessibility — Install devices with required clearances to facilitate routine maintenance.
  5. Stay Current — Refer to the latest DAFMAN 32-1067, e-Publishing forms, and local/state backflow regulations, as requirements can evolve.

For broader DoD context, similar programs exist in other services, often referencing AWWA Manual M14 for best practices in cross-connection control.

Download AF Form 848

Official Download Link:
AF Form 848 PDF

Always verify the latest version on the official Air Force e-Publishing website (e-publishing.af.mil) to ensure you have the current form.

AF Form 848 plays a vital role in the U.S. Air Force’s commitment to safe, reliable drinking water systems. By maintaining a thorough inventory of cross-connection control and backflow prevention devices, installations protect public health and ensure regulatory compliance. Whether you’re a civil engineer, backflow program manager, or contractor supporting Air Force facilities, proper use of this form is essential for effective water system management.

For additional guidance, consult DAFMAN 32-1067, your base BPM, or the latest UFC documents on water supply systems. Regular surveys and testing keep your program strong and mission-ready.