Sundown Policy for Foam Fire Suppression Systems.pdf

DEPARTMENT OF THE AIR FORCE

WASHINGTON, DC

OFFICE OF THE ASSISTANT SECRETARY

16 November 21

Change 1, 13-May-22

Change 2, 29-December-22

MEMORANDUM FOR DISTRIBUTION C

ALMAJCOM-FLDCOM-FOA-DRU/CC

FROM: SAF/IE

1665 Air Force Pentagon Washington, DC 20330-1665

SUBJECT: Sundown Policy for Foam Fire Suppression Systems

The Assistant Secretary of the Air Force for Energy, Installations, and Environment led a joint effort across the Departments of the Air Force (DAF), Army, and Navy along with the Defense Logistics Agency to assess risks with respect to replacing fluorinated Aqueous Film Forming Foam (AFFF) fire suppression systems (FSS) in Department of Defense Facilities (DoD) facilities. After reviewing 32 years of historical data and 15 years of safety mishap data, the assessment team did not find a single instance where a hangar fuel related fire resulted in the loss of an aircraft or life. The only aircraft fuel related fire in the past 32 years in the DoD was suppressed by a water deluge system.

(CHANGE) In contrast, the historical data shows a trend of inadvertent activations of foam systems across the DoD of one in every two months (84 mishaps over past 15 years). The mishap cost associated with these events was in excess of 24.5 million dollars and contact with chemicals in the foam have caused one death, injured 21 people and damaged more than 120 aircraft. Considering the findings of this risk-informed analysis and the high cost of converting, maintaining, and clean-up of accidental discharges of foam systems, effective immediately, all DAF hangars and similar facilities equipped with a foam FSS will be categorized as Tier 2 Fire Protection Facilities unless specifically approved for Tier 1 designation. Tier 2 facilities will use an automatic water sprinkler system consistent with the attached guidance in lieu of foam FSS. All foam systems (AFFF and High-Expansion Foam Systems [HEFS]) in Tier 2 facilities will be locked out and tagged out by 1 March 23, unless specifically exempted, in accordance with the updated Implementation Guidance.

(CHANGE) The use of foam FSS is limited to facilities where the total loss of the facility, or the loss of the aircraft/assets serviced inside, would result in mission failure at the Department of Defense, Department of the Air Force, Combatant Command or Sub-Unified Command level. These facilities, which are of limited exception, will be categorized as Tier 1 Fire Protection Facilities. Categorization as a Tier 1 facility requires justification by Major Commands (MAJCOMs) or USSF-equivalent and approval by SAF/IE as outlined in the

Implementing Guidance. For approved Tier 1 facilities, bases shall replace the existing FSS with an Ignitable Liquid Drainage Floor Assembly (ILDFA). Low Expansion Foam Systems containing an approved Fluorine Free Foam (FFF) or High Expansion Foam System (HEFS) may continue to be used until end of life then converted to an ILDFA. The ILDFA is the primary option for new Tier 1 facilities. For new facilities requiring a tiering determination, the request must be submitted prior to authorization of design funding. Additional details on exception to policy submission are provided in the attachment.

(CHANGE) While programming efforts are underway, OSD has placed an even greater emphasis on each of the military departments to provide annual cost projections and expected results. In turn, all installations must complete updated programming actions to solidify the Tier 2 facility end state costs using the updated Implementation Guidance. These efforts will enable DAF to accurately advocate and secure funding for all requirements derived from the FY20 NDAA and associated facility repairs. The intent is to capture all facility FSRM requirements related to facility conversions within existing systems of record (i.e. NexGenIT) to ensure proper work accountability and tracking, regardless of project size. Operations and maintenance stakeholders are critical to this effort, as we must balance removal of AFFF with mission demands.

Points of contact for this policy are Lt Col Donnie Horn (william.horn.1@us.af.mil), Office of the Deputy Assistant Secretary of the Air Force for Environment, Safety, and Infrastructure (SAF/IEE), and Mr. Todd Wynn (robert.wynn@us.af.mil), Chief, Facilities Division, Air Force Directorate of Civil Engineers (AF/A4CF). The implementation guidance attached is the responsibility of AF/A4C. A4C may alter this guidance as it deems necessary to comply with this policy.

EDWIN H. OSHIBA, SES, DAF

Acting Assistant Secretary of the Air Force Energy, Installations, & Environment

Attachment:

1. Implementation Guidance (Change 2)

Attachment 1: Implementation Guidance (Change 2) Current as of 15 Dec 22

*Significant changes and additions were made to the Implementation Guidance as well as the addition of guidance to assist the installations in policy compliance.

(CHANGE) 1. Purpose. To provide guidance and direction to implement the DAF Sundown Policy for Foam Fire Suppression Systems, the 2020 NDAA-directed removal of Aqueous Film Forming Foam (AFFF), the lockout/tagout procedures, programming procedures, and new facility fire protection guidance as it pertains to hangar foam-based fire suppression systems (FSS), non-hangar FSS, as well as non-chemical based FSS.

These requirements were developed based on the acceptable risk pertaining to a fuel spill fire scenario.

(ADD) This updated Implementation Guidance contains four appendices to assist the bases in executing the various actions to achieve policy compliance in a rapid manner. A brief description of each appendix follows with associated links:

(ADD) 1.1 APPENDIX 1: TECHNICAL LOCKOUT/TAGOUT GUIDANCE FOR –This appendix provides installations guidance for how to lockout/tagout all AFFF and High Expansion Foam System (HEFS).

(ADD) 1.2 APPENDIX 2: DESIGN AND CONSTRUCTION GUIDANCE FOR

INCORPORATING AIR FORCE FOAM SUNDOWN POLICY IN PROJECTS – This appendix provides installations guidance on required changes for all projects at any stages in design or construction.

(ADD) 1.3 APPENDIX 3: PROGRAMMING GUIDANCE – This appendix provides specific programming guidance for removal/disposal work as well as facility repairs required for policy compliance. The guidance and project nomenclature are critical for higher headquarters to pull data rapidly and accurately for funds advocacy.

(ADD) 1.4 APPENDIX 4: UFC 4-211-01 CHAPTER 5 CHANGES DAF FOAM SUNDOWN

POLICY – This appendix contains interim technical guidance for all AFFF, protein foam, Hi-Ex concentrates, or solutions until updates to UFC 4-211-01 are published. This should be used by government engineers as well as architect-engineering firms supporting DAF designs/construction.

(CHANGE) 2. Scope. This Implementation Guidance applies to all locations and temporary facilities, or other facilities purchased as equipment as defined in the policy. It includes all systems containing AFFF as well as all High Expansion Foam Systems (HEFS). This scope updates and clarifies previous guidance to include lockout/tagout, programming and technical direction.

3.Tier 1 Facility.

(CHANGE) 3.1. Approved FSS. The following system is authorized for Tier 1 facilities and shall comply with paragraphs 3.2 (Administration) and technical guidance in APPENDIX 4: UFC 4-211-01 CHAPTER 5 CHANGES DAF FOAM SUNDOWN POLICY: Ignitable Liquid Drainage Floor Assembly (ILDFA). HEFS and LEFS without AFFF are considered interim systems and after end of life the system should be converted to ILDFA. AFFF must be replaced with fluorine free foam (FFF) in these systems as soon an approved foam is available but no later than 1 Oct 24.

3.2 Administration. This policy designates all DAF hangars or similar facilities as a Tier 2 facility. The Assistant Secretary of the Air Force for Energy, Installations and Environment (SAF/IE) must approve all exceptions meeting the Tier 1 definition. Tier 1 requests require endorsement at the MAJCOM/CD (delegable to MAJCOM/A3 or USSF-equivalent) and AF/A3 levels before being submitted to SAF/IE for approval consideration. For the Reserve and Guard Components, Tier 1 requests require endorsement by their respective A3 before being submitted to SAF/IE. Current Tier 1 facilities are listed in Table 1.

(CHANGE) 3.2.1 Projects including FSS already in the programming and/or design phase must be reviewed for compliance with this policy and if applicable, submitted for Tier 1 approval consideration prior to requesting funds for design and execution. If not submitted for Tier 1 designation, the design must be updated for a water only FSS in accordance with interim criteria contained in APPENDIX 4: UFC 4-211-01 CHAPTER 5 CHANGES DAF FOAM SUNDOWN POLICY and UFC 4-211-01.

This applies to all projects regardless of funding source.

(CHANGE) 3.2.2 Tier 1 approval is required prior to installation of any new ILDFA system. New Tier 1 facilities shall be constructed with an ILDFA.

3.2.3 Requests for Tier 1 approval can be submitted via electronic staff summary sheet with a memorandum from the MAJCOM or USSF-equivalent to SAF/IE. The request should include the base name, facility number, Real Property Unique Identifier, and thorough justification detailing how the complete loss of the facility, or the loss of the aircraft/assets serviced inside, would result in mission failure at the DoD, DAF, CCMD or Sub-Unified Command level.

3.2.4 The real property-owning MAJCOM or USSF-equivalent is responsible for submitting all Tier 1 FSS requests. Tenant units or rotational forces requiring a Tier 1 FSS must coordinate with the real property-owning MAJCOM to submit a Tier 1 request.

(CHANGE) 3.2.5. Existing foam-based FSS using new FFF in Tier 1 facilities are permitted to be maintained throughout the end of useful life, or until funding is available to install an ILDFA, unless otherwise approved for further use.

3.2.6. For any approved Tier 1 facilities that contain AFFF, installations shall coordinate AFFF replacement options with AFCEC/COSM to meet the Congressionally mandated 1 Oct 24 phase out requirement date.

Table 1 - Tier 1 Hangars/Facilities1

Installation Facility Current Protection Type

Approval Office, Date

Interim/Final Protection

Joint Base Anacostia- Bolling (JBAB), Washington, D.C.

HMX-1,

Building 389

Low level low expansion nozzles and overhead foam-water sprinklers

SAF/IE,

15 April 2022

Fluorine Free Foam to

Ignitable Liquid Drainage Floor Assembly

Joint Base Andrews

(JBA), MD

AF-1,

Building 19 High-Expansion

High-Expansion Foam to

Ignitable Liquid Drainage Floor Assembly

SAM,

Building 20

Low level low expansion nozzles and overhead foam-water sprinklers

Fluorine Free Foam to

Ignitable Liquid Drainage Floor Assembly

AF-1,

Building 21

Low level low expansion trench system

Fluorine Free Foam to

Ignitable Liquid Drainage Floor Assembly

1 Tier 1 designation approval by SAF/IE (no delegation).

Table current as of 2 December 2022

4. Tier 2 Facility.

(CHANGE) 4.1 Approved FSS. The following system is authorized in a Tier 2 facility and shall comply with paragraph 4.2 Administration below: Automatic Water Sprinkler System designed to provide life safety protection for occupants to evacuate the facility in the event of a fire.

4.2 Administration. Tier 2 fire protection facilities are designated by default, until the process in paragraph

3.2 is fully staffed and approved for Tier 1 designation.

(CHANGE) 4.2.1. New Tier 2 facilities shall not be designed or constructed with HEFS or ILDFA; they shall be designed or constructed with automatic sprinkler systems compliant with technical criteria referenced in APPENDIX 4: UFC 4-211-01 CHAPTER 5 CHANGES DAF FOAM SUNDOWN POLICY until the UFC 4-211-01 update is published. Projects already in design or execution must be modified in accordance with APPENDIX 2: DESIGN AND CONSTRUCTION GUIDANCE FOR

INCORPORATING AIR FORCE FOAM SUNDOWN POLICY IN PROJECTS.

(CHANGE) 4.2.2. Programing actions to convert existing HEFS and AFFF systems to a water-only automatic sprinkler systems compliant with technical criteria referenced in paragraph 4.2.1 but be complete by 1 March 2023. HEFS not at end of useful life may be replaced/converted with a water-only automatic sprinkler system compliant with Appendix 4 using available funding streams as applicable (dFSRM, CTO, etc.). Specific programming guidance shall be followed in APPENDIX 3:

PROGRAMMING GUIDANCE.

(CHANGE) 4.2.3. To ensure progress is tracked accurately, installations must review existing data for accuracy and provide updates for all aircraft hangars on the installation. Additionally, any other non-hangar facility with foam suppression system must be added to the data base. This review and updated on the AFFF Inventory SharePoint site must be completed by 31 January 2023.

(ADD) It is critical that installations ensure all aircraft hangars regardless of protection type (including no protection, water deluge, water sprinklers, detection only, and any type of foam) be entered into the data base including hangars, HAS/PAS and any other structure which fully encloses an aircraft. Only open sided sunshade/weather shelters are excluded. This includes DAF Plants facilities. Tenant occupied facilities regardless of construction or O&M funding source must be included in the installation data base to ensure an accurate inventory of facilities on the installation.

https://usaf.dps.mil/teams/10758/FPETeam/SitePages/Foam%20Fire%20Suppression%2 0System%20Data%20Call.aspx. Ensure all fields are completed.

APPENDIX 1: TECHNICAL LOCKOUT/TAGOUT GUIDANCE

FOR SHUTDOWN

OF FOAM CONCENTRATE SYSTEMS

This guidance is mandatory for all DAF foam fire protection systems regardless of foam type, except for DAF Plants and Tier 1 facilities. HAF/A4CF and AFCEC/CO are working with HAF/A4LM and AFMC to update T.O. 00-25-172, T.O. 1-1-3, and other T.O. documents to reflect new facility fire suppression requirements.

The DAF intent is to continue all aircraft maintenance operations as normal while the technical documents are updated.

This guidance meets the FY2020 NDAA requirement to terminate the “use” of AFFF. The DAF’s compliance with the “use” termination will occur by 1 March 2023 for a majority systems when they have been locked-out and tagged-out. Tier 1 facilities currenting using an AFFF system will comply with the “use” termination when AFFF has been changed out with FFF. This guidance does not address the removal/disposal of chemicals or decommissioning of hardware. Installations will utilize centralized contracts for removal and disposal after lockout/tagout IAW APPENDIX 1: TECHNICAL LOCKOUT/TAGOUT GUIDANCE FOR . These contracts are in development with the U.S Corps of Engineers (Huntsville District) and are led by AFCEC/COSM. The DAF acknowledges there will be limited quantities of AFFF concentrate and solution in system tanks and piping until the later phase, which will remove, rinse, and dispose of these limited quantities. The execution of this “use” termination guidance is not dependent on the later phase of product removal, associated rinsing, and disposal from facilities.

The DAF’s policy eliminates the use of fire protection systems using any chemical-based foams in all Tier 2 general purpose hangars and other facilities concurrently with the elimination of AFFF and PFAS containing foams. Therefore, this guidance addresses all chemical-based foam fire suppression systems and chemicals except those facilities specifically identified.

DAF facilities tenant on other Services’ installations and Joint Bases under other Services management must modify their Host-Tenant agreements before implementing this guidance. This guidance does not automatically apply to facilities of other DoD and non-DoD agencies tenant on DAF installations or Joint Bases under AF management control since those agencies typically follow a different risk/loss tolerance model. DoD and non- DoD agencies on DAF installations are allowed through the Host-Tenant agreement process to adopt/authorize the use of this guidance, at their discretion. Regardless of system type, FFF must be used once available in accordance with FY20 NDAA.

All technical efforts required by this guidance is anticipated to be accomplished by the installation in-house work-force technicians (including BOS contractors). No additional contract resources are anticipated to be required to execute this work effort.

1. Aircraft Hangars

1.1 Aqueous Film Forming Foam (AFFF) Systems (including trench nozzle systems)

1.1.1 Lockout/tagout all control valves on the AFFF concentrate system.

1.1.2 Remove and tagout any solenoid coils from solenoid-operated valves in the concentrate system.

1.1.3 Ensure bladder tank (when provided) pressurization valves are locked out preventing any pressurization of the bladder prevent under any future operations.

1.1.4 Lockout/tagout electric service to any foam concentrate pumps (when installed).

1.1.5 Ensure eduction concentrate system (when provided) valves between concentrate tank and eductor are locked out/tagged out.

1.1.6 Ensure all water features remain in full service.

1.2 High-Expansion Foam (Hi-Ex) Systems

1.2.1 Lockout/tagout all high-expansion OS&Y water control valves.

1.2.2 Lockout/tagout all control valves on the Hi-Ex concentrate system.

1.2.3 Remove and tagout any solenoid coils from solenoid-operated valves.

1.2.4 Ensure bladder tank (when used) pressurization valves are locked out preventing pressurization of the bladder under any future operations. Ensure concentrate tank discharge valves are locked out/tagged out.

1.2.5 Ensure eduction concentrate system (when used) valves between concentrate tank and educator are locked out/tagged out.

1.2.6 Lockout/tagout electric service to any foam concentrate pumps (when installed).

1.2.7 Ensure all sprinkler system risers remain in full service.

2. Bulk Fuel Tanks

2.1 Stand-Alone Tanks (including water supply)

2.1.1 Lockout/tagout all pump controllers.

2.1.2 Lockout/tagout all control valves on the concentrate system.

2.1.3 Lockout/tagout all control valves on the AFFF concentrate system.

2.1.4 Remove and tagout any solenoid coils from solenoid-operated valves in the concentrate system.

2.1.5 Ensure bladder tank (when provided) pressurization valves are locked out preventing and pressurization of the bladder prevent under any future operations.

2.1.6 Lockout/tagout electric service to any foam concentrate pumps (when installed).

2.1.7 Ensure eduction concentrate system (when provided) valves between concentrate tank and educator are locked out/tagged out.

2.2 Manual Systems/Dry Systems – No action required.

3. Other Facilities

3.1 Aqueous Film Forming Foam (AFFF) Systems (including trench nozzle systems)

3.1.1 Lockout/tagout all control valves on the AFFF concentrate system.

3.1.2 Remove and tagout any solenoid coils from solenoid-operated valves in the concentrate system.

3.1.3 Ensure bladder tank (when provided) pressurization valves are locked out preventing and pressurization of the bladder prevent under any future operations.

3.1.4 Lockout/tagout electric service to any foam concentrate pumps (when installed).

3.1.5 Ensure eduction concentrate system (when provided) valves between concentrate tank and educator are locked out/tagged out.

3.1.6 Ensure all water features remain in full service.

3.2 High-Expansion Foam (Hi-Ex) Systems

3.2.1 Lockout/tagout all high-expansion OS&Y water control valves.

3.2.2 Lockout/tagout all control valves on the Hi-Ex concentrate system.

3.2.3 Remove and tagout any solenoid coils from solenoid-operated valves.

3.2.4 Ensure bladder tank (when used) pressurization valves are locked out preventing and pressurization of the bladder prevent under all future operations. Ensure concentrate tank discharge valves are locked out/tagged out.

3.2.5 Ensure eduction concentrate system (when used) valves between concentrate tank and educator are locked out/tagged out.

3.2.6 Lockout/tagout electric service to any foam concentrate pumps (when installed).

3.2.7 Ensure all sprinkler system risers remain in full service.

4. Lock-out/Tag-out Technical Procedures

4.1 For ball valves and wheel handle valves purchase lock-out devices and seal the valves in the appropriate position using aircraft safety wire and seals or plastic seals which must be broken to change the valve position. Available from local industrial and safety supply stores or multiple on-line sources.

4.2 For electrical switches use approved lock-out devices for the specific type of switch or breaker devices and seal the switch in the appropriate position using aircraft safety wire and seals or plastic seals which must be broken to change the switch/breaker position. Typically, available from local industrial and safety supply stores or multiple on-line sources.

4.3 Tag each locked out valve and switch indicating “WARNING - Out of Service or WARNING - Do Not Operate,” date when locked out, craft person who locked out the valve/switch, where to contact before activating/unlocking the switch or valve (typically a 24/7 reporting number like service call).

Tags typically available from local industrial and safety supply stores or multiple on-line sources.

5. System Status

5.1 Ensure using organization(s) and facility managers are aware the foam fire suppression system use has been terminated by the lockout/tagout process. Any tampering with the locked-out/-tagged-out features must be immediately reported to Civil Engineering.

5.2 Ensure fire emergency services update pre-plans and facility inspection records to included computer aided dispatch data bases indicating hangars and other facilities converted to water only protection.

Ensure appropriate installation risk assessment action is taken and documented appropriately at the required authority level.

5.3 Ensure maintenance activities update periodic inspection, test, and maintenance records as appropriate and included a new annual requirement to visually inspect the lockout/tagout devices ensuring valves and switches are sealed in the correct position and indicating there has been no tampering with the system configuration.

5.4 Installations must report each facility when the lockout/tagout process has been completed in the CE Dash, Fire Protection Engineering Workspace, Foam Fire Suppression Data Call at Foam Fire Suppression System Data Call (dps.mil) or https://usaf.dps.mil/teams/10758/FPETeam/SitePages/Foam%20Fire%20Suppression%20System%20 Data%20Call.aspx. Instructions for completing the data call information are found on the site. Users will record the date each facility is lock out and tagged out in the “Comments” field in each facility record. If a facility is not in the existing data installation users will create a new facility data file.

6. Generated Waste

6.1 No waste (foam concentrate, foam solution, rinsate) is anticipated to be generated or released executing this lock out/tag out process.

6.2 In the unexpected chance waste is released, it must be collected and stored in new or previously foam concentrate contaminated drums or totes and stored in the foam equipment room of the facility for remediation under later program guidance. Clean totes can be acquired through DLA. Do not use drums or totes contaminated with any other chemicals.

7. Future Going Forward from Locked Out / Tagged Out

7.1 High expansion foam and low expansion fluorine free foam use is limited to applications as an interim bridging agent pending programming and transition to chemical free protection methods for Tier 1 facilities.

7.1.1 High-Expansion foam protected Tier 1 facilities (Table 1) will continue in-service with high expansion foam until new ignitable liquid drainage floors are programmed and installed; they will be fully maintained IAW UFC 3-601-02.

7.1.2 Low-expansion foam protected Tier 1 facilities (Table 1) will continue in-service with AFFF concentrate until AFFF is replaced with the new Military Specification low expansion fluorine free foam concentrate; they will be fully maintained IAW UFC 3-601-02. 7.2

7.1.3 The locked out/tagged out facilities will be repaired to a uniform risk profile across the DAF using the modernization guidance and prioritization scheme to be included in the next UFC 4- 211-01 change.

For questions or additional information contact the AFCEC Reach Back Center, AFCEC.RBC@us.af.mil.

https://usaf.dps.mil/teams/10758/FPETeam/SitePages/Foam%20Fire%20Suppression%20System%20Data%20Call.aspx https://usaf.dps.mil/teams/10758/FPETeam/SitePages/Foam%20Fire%20Suppression%20System%20Data%20Call.aspx https://usaf.dps.mil/teams/10758/FPETeam/SitePages/Foam%20Fire%20Suppression%20System%20Data%20Call.aspx https://usaf.dps.mil/teams/10758/FPETeam/SitePages/Foam%20Fire%20Suppression%20System%20Data%20Call.aspx mailto:AFCEC.RBC@us.af.mil

APPENDIX 2: DESIGN AND CONSTRUCTION GUIDANCE FOR

INCORPORATING AIR FORCE FOAM SUNDOWN POLICY IN

PROJECTS

This guidance is intended to assist program managers, project designer, and construction managers in applying the revised new aircraft hangar fire protection policy to ongoing aircraft hangar projects. This guidance is structured around the traditional decision points in the design and construction process; however, application is not limited and may be used by project management as necessary. If there is no SAF/IE Tier 1 approval document contained in APPENDIX 1: TECHNICAL LOCKOUT/TAGOUT GUIDANCE FOR , then the hangar is Tier 2. Most hangar projects will be Tier 2 hangar projects, the following guidance will apply based on the current project design or construction status. The Sundown Policy directs no new hangar will enter service with a foam fire suppression system. Since Tier 2 will be the predominant hangar type this guidance will address Tier 2 guidance first:

• Tier 2 – Projects 35% or less design complete, revise to comply with the revised UFC 4-211-01, Chapter 5 criteria.

o Sprinkler – Not less than 0.2 gpm/ft2 over 5000 ft2; DoD (including AF) has been designing to this requirement for many years. There is no change to these long-standing criteria.

o Detection – Do not provided IR detection; delete all optical detection.

o High- expansion foam – Delete all features.

o Trenches – Provide drainage trench at aircraft doors for environmental protection to prevent fluids from escaping the hangar. Trenches are not part of the hangar aircraft servicing area fire protection scheme. AF has been designing to this requirement since 2017.

Design trench capture and out fall rate for aircraft leak/dump rate (gpm) plus 300 gpm for floor wash/rinse. Maximum flow rate will vary based on aircraft. Minimum design trench capture and outfall rate without overflowing is not less than 500 gpm.

• Tier 2 – Projects greater than 35% design complete.

o Sprinkler – Not less than 0.2 gpm/ft2 over 5000 ft2; is what DoD (including AF) has been designing to for many years. There is no change to these long-standing criteria.

o Detection – Delete all IR detection features, as feasible.

o High- expansion foam – Delete all features beyond the manifold header, as feasible.

Modify the manifold header design to remove the high-expansion riser or blind flange the manifold header where the riser connection would have been made.

Delete all foam concentrate storage and eduction/injection features.

Delete all piping and high-expansion generators.

Delete the fire suppression releasing panel intended to activate the high-expansion foam system.

Delete all foam start and stop stations.

o Trenches – Provide drainage trench at doors for environmental protection to prevent fluids from escaping the hangar per existing project design direction. Trenches are not part of the hangar aircraft servicing area fire protection scheme.

• Tier 2 – Awarded Projects in Execution.

o Sprinkler – Not less than 0.2 gpm/ft2 over 5000 ft2; is what DoD (including AF) has been designing to for many years. There is no change to these long-standing criteria.

o Detection – PM’s decision how to modify project to delete all IR detection features if possible and at no cost to the government.

If PM can’t delete, modify to provide evacuation alarm only upon activation of a single detector activation.

o High- expansion foam – PM’s decision how to modify project to delete all features if possible.

When construction of the high expansion foam system has not begun actual installation, modify, if possible, to delete all features and blind flange the high expansion risers at the manifold connection point. Consideration may be given to accepting the components without installation if the Contractor officer approves. Bottom line would be to avoid the installation of these features, if possible, even if components must still be accepted.

In the event features are or must be installed (see guidance for Tier 2 – Projects construction complete following).

Remove the foam start /stop stations and signage after testing. If installed, modify project, if possible, to remove the stations and blank cover the enclosures. Remove the signage. All removed parts must be labeled and packaged for long term storage in the fire protection equipment room.

o Trenches – Provide drainage trench at doors per contract requirements for environmental protection to prevent fluids from escaping the hangar. Trenches are not part of the hangar aircraft servicing area fire protection scheme.

• Tier 2 – Projects construction complete.

o Detection – Must modify to provided evacuation alarm only activation on a single detector activation or if possible, remove all IR detection.

o High-expansion foam – PM’s decision how to modify project. Recommended actions include:

If installed, acceptance discharge testing using foam concentrate and all other testing required in accordance with contract must be accomplished.

Residual foam concentrate remaining post testing should be removed by contractor and no additional foam concentrate of any type is installed in the system.

After required testing, lock out/tag out all high expansion foam eduction system features;

abandon high-expansion features in place.

Remove manual start and stop stations and signs after acceptance testing. Manual start and stop stations may have wires terminated with heat shrink end terminals and blank NEMA 4 enclosures covers installed. All removed parts must be labeled and packaged for long term storage in the fire protection equipment room.

There are no Tier 1 hangars programmed or in design at this time. There is only one Tier 1 hangar in construction currently. The following applies to Tier 1 hangars. The AF Sundown Policy intent is no new hangar should enter service with an operational foam fire suppression system and any new Tier 1 hangar will use ignitable liquid drainage floor assemblies for fire protection. Additional FSS features or modifications unique to special purpose hangars/facilities will be individually evaluated by the Designated FPE.

• Tier 1 – Projects 35% or less design complete. No current projects programmed or in design.

• Tier 1 – Projects greater than 35% design complete. No current projects programmed or in design.

• Tier 1 – Awarded Projects in Execution. Only project in execution is Hangar 21 at Joint Base Andrews.

No change to the installed system. When the system reaches end of life, ILDFA will be programmed to replace existing foam system.

The AFCEC/CO and CF teams can be reached through the AFCEC Reach Back Center afcec.rbc@us.af.mil to address individual issues for specific projects.

mailto:afcec.rbc@us.af.mil

APPENDIX 3: PROGRAMMING GUIDANCE

It is imperative to program projects for Aqueous Film Forming Foam (AFFF) systems and High Expansion Foam Systems (HEFS) elimination to enable Total Force higher headquarters can advocate for funding and make data driven decisions. To develop and program AFFF system and HEFS elimination projects, bases must follow the guidance below after consulting with the design engineers and existing data for AFFF systems and HEFS. Programming repair projects must be completed by 1 March 2023.

Repairs to convert systems will follow decentralized and centralized guidelines. Smaller scope/cost projects will be decentralized unless the value meets the centralized thresholds and will compete for funding under established rules.

At minimum, the following programming database (e.g., NexGenIT) data fields appropriate must be filled in:

project number, title, facility number(s), programmed amount, design FY, execution FY, and time on target date (if applicable).

For fire suppression system (FSS) facility repairs containing AFFF, assume funding is available in FY23 for design and FY24 for execution. If funding does not materialize, projects should move to the following year.

Programmers may program projects in later fiscal years as mission and manpower dictates, however, at minimum, projects must be programmed within a four-year window (FY23-26) to complete a total conversion to water fire suppression systems in facilities by 1 October 2026.

AFFF conversion projects planned as a single acquisition across multiple facilities shall follow umbrella project programming guidance. Programmers will create the umbrella project number, serving as the “parent” project unifying the “child” requirements. Projects for AFFF facilities will include modification or replacement of existing FSS to meet UFC 4-211-01 or interim guidance in APPENDIX 4: UFC 4-211-01 CHAPTER 5 CHANGES DAF FOAM SUNDOWN POLICY. Projects for HEFS facilities will include modification of existing FSS to meet UFC 4-211-01 or interim guidance in APPENDIX 4: UFC 4-211-01 CHAPTER 5 CHANGES DAF FOAM SUNDOWN POLICY. For work accountability (audit readiness), a project number is necessary for each facility. In this situation, the parent project number represents the overall requirement, and each child projects represent the work in each of the multiple facilities. The 2-digit suffix for multiple-facility projects is comprised of the letter “M” and an alphabetic identifier for each included facility. If the parent project is FXSB204567, and includes similar work in separate facilities, the project number of each child will be FXSB204567MA, FXSB204567MB, FXSB204567MC, etc.

All projects are classified as REPAIR work. Though the action is typically stated in the project title, do not take up space in the project title for these projects by adding “Repair” to the front of the title. Reference paragraph PROJECT TITLE NOMENCLATURE below for project title guidance.

There are five common FSS at installations. Below is description of the systems with associate programming scope required to meet the FY2020 National Defense Authorization Act and the Sundown Policy for Foam Fire Suppression Systems. Should an installation have question or concern in determining the type of system and scope required for programming, please contact AFCEC/COSM through the AFCEC Reach Back Center on CE DASH or at afcec.rbc@us.af.mil. After the FSS descriptions, there are specific project title nomenclature requirements that shall be followed.

1. AFFF Systems1 (Low Level nozzle systems without overhead sprinklers) (UFC 4-211-01 para 5-

17.2A)

a. Required programming projects and associated scope:

i. There are no Tier 1 facilities in this category.

ii. For Tier 2 facilities: After the removal and disposal project, this project will repair the existing system and provide an overhead UFC-compliant water-only system.

b. Reference UFC 4-211-01 para 5-17.2 or APPENDIX 4: UFC 4-211-01 CHAPTER 5 CHANGES

DAF FOAM SUNDOWN POLICY for more technical details.

c. Reference PROJECT TITLE NOMENCLATURE section below for project title.

Note 1: If the installation plans to complete a whole hangar/facility renovation which includes FSS repair, the FSS system shall follow scope contained in paragraph ii. Additionally, the installation will still need to program a stand-alone FSS repair project. This will enable HHQs to accurately pull data and accurately requests funds.

2. Fuel Servicing Hangars and HAS/PAS with Legacy Installed Foam Systems1 (UFC 4-211-01 para

5-17.3)

a. Required programming projects and associated scope:

i. After the removal and disposal project, this project will repair the facility by removing existing system and provide an overhead UFC-compliant water-only system.

b. Reference UFC 4-211-01 para 5-17.3 or APPENDIX 4: UFC 4-211-01 CHAPTER 5 CHANGES DAF FOAM SUNDOWN POLICY for more technical details for aircraft hangars and UFC 3-600- 01 for other facilities.

c. Reference PROJECT TITLE NOMENCLATURE section below for project title.

Note 1: If the installation plans to complete a whole hangar/facility renovation which includes FSS repair, the FSS system shall follow scope contained in paragraph i. Additionally, the installation will still need to program a stand-alone FSS repair project. This will enable HHQs to accurately pull data and accurately requests funds.

3. AFFF Systems1 (Foam-water sprinklers with low-level foam nozzles or trench nozzles and foam-water sprinklers without low-level foam nozzles)

a. Required programming projects and associated scope:

i. For Tier 1 facilities: FFF will replace AFFF as part of a centralized contract. The system will be used until end of life. At that point, installations will program the installation of ignitable liquid drainage floor assemblies in lieu of a foam system.

ii. For Tier 2 facilities: After the removal and disposal project, this project will repair the existing system by modifying existing system and provide an overhead UFC-compliant water-only system.

b. Reference UFC 4-211-01 para 5-17.4 or APPENDIX 4: UFC 4-211-01 CHAPTER 5 CHANGES DAF FOAM SUNDOWN POLICY for more technical details.

c. Reference PROJECT TITLE NOMENCLATURE section below for project title.

Note 1: If the installation plans to complete a whole hangar/facility renovation which includes FSS repair, the FSS system shall follow scope contained in paragraph i or ii. Additionally, the installation will still need to program a stand-alone FSS repair project. This will enable HHQs to accurately pull data and accurately requests funds.

mailto:afcec.rbc@us.af.mil

4. AFFF Low Level Nozzles with Water Sprinklers over-head1

a. Required programming projects and associated scope:

i. No Tier 1 facilities are in this category.

ii. For Tier 2 facilities: After the removal and disposal project, this project will repair the existing system by modifying existing system and provide an overhead UFC-compliant water-only system.

b. Reference UFC 4-211-01 para 5-17.5 or APPENDIX 4: UFC 4-211-01 CHAPTER 5 CHANGES DAF FOAM SUNDOWN POLICY for more technical details.

c. Reference PROJECT TITLE NOMENCLATURE section below for project title.

Note 1: if the installation plans to complete a whole hangar/facility renovation which includes FSS repair, the FSS system shall follow scope contained in paragraph ii. Additionally, the installation will still need to program a stand-alone FSS repair project. This will enable HHQs to accurately pull data and accurately requests funds.

5. High Expansion Foam Systems1

a. Required programming projects and associated scope:

i. Currently, there is no requirement to dispose of HEF foam after lock out/tag out. Installations have the option to fund removal if desired. Otherwise leave in place and remove in the future when the FSS undergoes a life cycle repair.

ii. For Tier 1 facilities: This system will be used until end of life. At that point, installations will program the installation of ignitable liquid drainage floor assemblies in lieu of a foam system.

iii. For Tier 2 facilities: This project will repair the existing system by modifying existing system and provide an overhead UFC-compliant water-only system.

b. Reference UFC 4-211-01 para 5-17.10 or APPENDIX 4: UFC 4-211-01 CHAPTER 5 CHANGES DAF FOAM SUNDOWN POLICY for more technical details.

Reference

c. PROJECT TITLE NOMENCLATURE section below for project title.

Note 1: If the installation plans to complete a whole hangar/facility renovation which includes FSS repair, the FSS system shall follow scope contained in paragraph ii or iii. This will enable HHQs to accurately pull data and accurately requests funds.

1188164923C Highlight

PROJECT TITLE NOMENCLATURE

Bases must follow the below nomenclature to ensure Higher Headquarters can rapidly and accurately pull project data and associated costs for funding advocacy.

1. AFFF FSS Repair from Foam to Water FSS Project’s Project Title Nomenclature:

• AFFF to Water FSS - BXXX, Facility Type

(Bolded words must be exact. Input installation specific data for non-bolded words.)

o Examples:

AFFF to Water FSS – B949, Haetae Hangar AFFF to Water FSS – B1750, B-2 Mx Hangar AFFF to Water FSS – B19, Fuel Storage Facility

2. HEFS FSS Repair from Foam to Water FSS Project’s Project Title Nomenclature:

• HEFS FSS to Water FSS - BXXX, Facility Type (Bolded words must be exact. Input installation specific data for non-bolded words.)

o Examples:

HEFS FSS to Water FSS - B849, Black Cat Hangar HEFS FSS to Water FSS – B1731, Fuel Mx Dock HEFS FSS to Water FSS – B1234, Fuel Storage Facility

APPENDIX 4: UFC 4-211-01 CHAPTER 5 CHANGES DAF FOAM

SUNDOWN POLICY

(Pending Revision of UFC 4-211-01, 13 April 2017 with Change 3, 20 April 2021)

Replace 5-1 with the following: 5-1 GENERAL Apply Chapters 1, 2, 3, 4, 5 and all Appendices to Air Force projects. This UFC additionally applies to all Air Force RPA hangars. Refer to the Air Force RPA General Maintenance Hangar Facility Design Guide located on the Whole Building Design Guide for additional RPA hangar requirements. Address facility design and construction standards or other technical support questions to the AFCEC Reach Back Center at AFCEC.RBC@us.af.mil.

This UFC contains specific criteria, guidance, and procedures for the phase out of AFFF (PFAS) in accordance with the 2020 National Defense Authorization Act (NDAA) and for the phase out of all foam fire extinguishing agents in Air Force aircraft hangars. The guidance modernizes and standardizes hangar fire protection across the entire Air Force infrastructure enterprise and establishes a unified risk acceptance model for Air Force aircraft hangars.

Insert new 5.1.1: 5-1.1 Implementing Direction

This Chapter provides consolidated technical direction implementing Department of the Air Force Policy requirements in:

• AF/A4 Policy Memorandum, Aircraft Hangar Fire Suppression System Modernization dated 3 June 2019 (completion suspense 30 September 26),

• 2020 National Defense Apportions Act, 19 December 2020, PFAS elimination (completion suspense 30 September 2024),

• SAF/IE Assessment of Risks with Respect to Options for Replacing Fluorinated Aqueous Film Forming Foam (AFFF) Fire Suppression Systems in Department of Defense Facilities, Version 1.0 | July 7,

• SAF/IE Policy memorandum SAF/IE Sundown Policy for Foam Fire

Suppression Systems dated 16 November 2021 with Change 1 13 May 2022 (Programming suspense 7 June 2022; no suspended completion date)

• AF/A4C-2 Memorandum Exemption to UFC 1-200-01 DoD Building Code with

Change 2, UFC 3-211-01, Aircraft Maintenance Hangars, and UFC 4-211-02 Aircraft Corrosion Control and Paint Facilities, to implement Sundown Policy for Foam Fire Suppression Systems, 18 January 2022.

mailto:AFCEC.RBC@us.af.mil mailto:C@us.af.mil

Insert new 5-1.2: 5-1.2 Hangar Classification.

Air Force general purpose aircraft maintenance hangars will be classified in two categories Tier 2 – the default classification, and Tier 1 – critical hangars where loss of the hangar or assets in the hangar will directly impact/reduce the Air Force’s ability to serve national military objectives. Tier 1 designation must be approved by SAF/IE.

Air Force special purpose hangars are unique facilities designed and designated to serve as; Corrosion control hangars (UFC 4-211-02), Aircraft Fuel system Maintenance hangars (this UFC), hangars approved for fuel servicing (this UFC), and hangars approved for integrated combat turns (this UFC). Except as otherwise specified Air Force special purpose hangars will include the additional features covered in this UFC.

[C] 5-1.2 The fire protection and life safety requirements for special purpose hangars are specifically identified in this UFC or other UFCs and while similar to Tier 1 and Tier 2 requirements for general purpose hangars there are variations necessary to meet the unique mission requirements of each special purpose type.

Renumber current 5-1.1 and 5-1.2 to 5-1.3 and 5-1.4

Revise 5-2.2.4 to read: 5-2.2.4 Monitoring System Construction Provide a containment system monitoring panel with a minimum NEMA 250 Type 3 enclosure rating.

Rate any devices, conduits, or electrical enclosures installed below grade for prolonged submersion, minimum NEMA 250 Type 6P. Provide any devices, conduits, or electrical enclosures within the tank for an electrical (hazard) classification of Class I Division 1.

Replace 5-6 thru 5-6.5 with the following: 5-6 FIRE PROTECTION AND LIFE

SAFETY

5-6.1 General

Construct / modify all hangars in accordance with NFPA 409, except were modified by this UFC

5-6.1.1 Tier 1 - General Purpose Hangars

5-6.1.1.1 Flammable Liquids Spill and Fire Control System

New Tier 1 hangars will include a listed ignitable liquid drainage floor assembly (meeting FM Approval Standard 6090) recessed into the concrete floor for new construction.

Modernization and life-cycle upgrade projects in existing Tier 1 hangars will include a listed ignitable liquid drainage flooring assembly (meeting FM approval standard 6090) installed on top of the existing concrete floor slab.

5-6.1.1.2 Fire Sprinkler Protection System.

New Tier 1 hangars will include an automatic sprinkler system, conforming to the requirements of this UFC providing not less than 8 L/min/m2 (0.2 gpm/ft2) over the most remote 464.5 m2 (5000 ft2) design area.

5-6.1.2 Tier 2 - General Purpose Hangars

5-6.1.2.1 Flammable Liquids Spill and Fire Control System

None required.

5-6.1.2.2 Fire Sprinkler Protection System.

Tier 2 hangars will include an automatic sprinkler system, conforming to the requirements of this UFC providing not less than 8 L/min/m2 (0.2 gpm/ft2) over the most remote 464.5 m2 (5000 ft2) design area.

5-6.2 Fire Protection Controls and Notification.

Table 5-1 Sample Air Force Functional Matrix identifies the system operating inputs and expected operating functions expected to occur. This functional must be tailored by the QFPE for the specific project and any additional inputs/outputs included in the matrix.

5-6.2.1 Hangar Servicing Area Fire Alarm Control Unit

Provide a factory assembled listed fire alarm control unit to monitor and control the manual alarm stations and fire suppression systems in the aircraft servicing area.

Listed releasing service units are required in hangars when pre-action or other releasing service is required.

When releasing service is required, provide a 2-position non-key operated switch located within the controls enclosure, when activated inhibits the releasing and notification. When the switch is placed in the inhibit mode/position, only the releasing and alarm functions of controls are disabled while leaving all other functions operational.

[C] 5-6.1.2.1 SAF and HAF have assessed the risk of a flammable liquid fire in a hangar and the potential impact of a fire. It was determined there is only a remote chance of a spill fire and a Tier 2 hangar does not warrant the installation of flammable liquids fire suppression features or flammable liquid spill controls. See the SAF/IE Assessment of Risks with Respect to Options for Replacing Fluorinated Aqueous Film Forming Foam (AFFF) Fire Suppression Systems in Department of Defense Facilities, Version 1.0 | July 7, 2021

Table 5-1: Sample DAF Functional Matrix

ALARM CONDITIONS

REQUIRED

RESPONSE

ANNUNCIATION AT

LOCAL PANEL

NOTIFICATION AUXILIARY FUNCTIONS

VI

S

U A

L A

LA

R

M

IN

D

IC

AT

IO

N

A U

D

IO

-V

IS

U A

L

TR

O U

B

LE

IN

D

IC

AT

D

IO

-V

IS

U A

L S

U P

E R

V

IS

O R

Y

IN

D

IC

AT

G E

N E

R A

L

FI

R E

E M

E R

G E

N C

Y M

E S

S A

G E

T O

R

C

E

IV

IN

TA

TI

AI

C R

A

FT

S E

R V

IC

IN

G B

A Y

FI

R

E E

M E

R G

E N

C Y

M

S S

A G

E T

H R

O U

G H

T H

E

FA

C

IL

IT

D

JA

C

E N

T A

R E

A W

A

TE

R T

R O

U B

LE

S

IG

N

A L

TO

FA

U A

C

E

IV

IN

G

S

TA

TI

M M

O N

F

IR

E A

LA

R

M S

U P

E R

V

IS

O R

Y S

IG

N

A L

TO

F

A C

U A

C

E

IV

IN

G

S

TA

TI

M M

O N

W A

TE

R

S U

P E

R V

IS

O

IG

N

A L

TO

F

A C

U A

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IN

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TA

TI

P

TI

C

A L

FL

A

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D E

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TI

O

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IN

H

IB

IT

P E

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VI

S O

SI

N

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TO

F

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IN

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TA

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G H

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T

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IT

H

IG

H L

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T O

T H

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IN

ST

AL

LA

TI

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U

TI

LI

TY

AN

AG

EM

EN

T R

EP

O

R

TI

N G

S

YS

TE

BL

E

BE

AC

O

N A

C

TI

VA

TI

S

IT

IO

N

T H

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IV

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N

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LV

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T

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T O

U

TF

A

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T O

C O

N

TA

IN

M

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T

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LE

A

S E

P R

E -A

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S P

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IN

K

LE

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TE

(IF

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ID

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A B

LE

T

H E

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A

S

IN

G A

N D

A

LA

FU

C

TI

O

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F

TH

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P

TI

C A

L D

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C

TO

R S

TH

R

O U

G H

T H

FA

AIRCRAFT SERVICING AREA

MANUAL PULL STATION

IMMEDIATE X X X

PRESSURE SWITCH OR FLOW SWITCH

AIRCRAFT SERVICING AREA SPRINKLER SYSTEM X X X

ONE OR MORE OPTICAL FLAME DETECTOR(S) WITHIN

THE PROTECTED AREA

IGNITABLE LIQUID DRAINAGE FLOOR ASSEMBLY

AUTOMATIC DISCHARGE TO CONTAINMENT X X X X X

ADJACENT / SUPPORT AREA

MANUAL PULL STATION X X

PRESSURE SWITCH OR FLOW SWITCH

ADJACENT/SUPPORT AREA WATER SPRINKLER

SYSTEM

X X

HEAT DETECTION IN THE HANGAR BAY

(IF PROVIDED FOR PRE-ACTION SPRINKLER) X X X X

FLOW DETECTION IN IGNITABLE LIQUID FLOOR

DRAINAGE ASSEMBLY (not maintenance activated/commanded) X X X X

CONTAINMENT HIGH LEVEL ALARM 9WHEN MONITORED

BY THE FIRE ALARM CONTROL X X X

SUPERVISORY CONDITIONS

COMMON SUPERVISORY

2 HOURS FOR

INVESTIGATORS

(can be emergency responders, alarm center runners, maintainers or user representative as directed in local policy guidance)

X X

NITROGEN SYSTEM FAILURE ON PRE-ACTION

SPRINKLER SYSTEMS

X

IGNITABLE LIQUID DRAINAGE FLOOR ASSEMBLY

MANUAL WASH DOWN SYSTEM ACTIVATED

(maintenance activated/commanded)

X X

IGNITABLE LIQUID DRAINAGE FLOOR ASSEMBLY

AUTOMATIC DISCHARGE TO CONTAINMENT (pumps operating when provided)

X X

CONTAINMENT LEVEL EXCEEDS 5% LEVEL INDICATION X X X

PRE-ACTION SUPERVISED SOLENOID

DISCONNECT (IF PROVIDED) X X X

OPTICAL FLAME DETECTION INHIBIT SWITCH

IMPROPERLY POSITIONED VALVE (CLOSED OR OPEN) X X X

TROUBLE CONDITIONS

COMMON TROUBLE

4 HOURS FOR

MAINTAINERS X X

BREAK IN A CONDUCTOR X X

ACCIDENTAL GROUND X X

EDITED BY QFPE: NAME,

ORGANIZATION / DATE

[C] Table 5-1 Do not copy this sample table directly into contract documents and drawings without editing for the specific…