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Engineering Technical Letters (AFETL)
Many documents have been converted to Unified Facilities Criteria (UFC) documents. See the DOD Engineering Criteria Status Report for the list of UFCs that were formerly AFETL documents.
UFC documents are located here.
These documents are available in the following format:
Adobe Acrobat (PDF)
| Title | Date | Downloads |
|---|---|---|
| Engineer Technical Letters (ETL) IndexRevised | 05-20-2013 | 167 KB |
| ETL 13-3 Minimum Airfield Operating Surface Selection and Repair Quality Criteria | 01-18-2013 | 12.7 MB |
| ETL 13-2 Design, Construction, Operations and Maintenance of Semi-Permanent Wastewater Treatment Plants at Contingency LocationsNEW | 05-20-2013 | 3.9 MB |
| ETL 12-15 Light-Emitting Diode (LED) Fixture Design and Installation Criteria for Interior and Exterior Lighting Applications, with Change 1Revised | 10-22-2012 | 134 KB |
| ETL 12-12 Solar-Powered Light-Emitting Diode (LED) Fixture Design and Installation Criteria for Exterior Lighting Applications in Contingency Environments | 07-27-2012 | 269 KB |
| ETL 12-10 Utility Energy Service Contracts (UESC) | 04-03-2012 | 571 KB |
| ETL 12-9 Personnel Certification Requirements for Inspection of Lightning Protection Systems (LPS) on Nuclear Weapons Maintenance, Handling, and Storage Facilities | 04-13-2012 | 115 KB |
| ETL 12-8 Contingency Aircraft Tie-Downs in Portland Cement Concrete (PCC) Pavements | 01-18-2012 | 969 KB |
| ETL 12-7 Repair of Cement-Stabilized Soil (CSS) Surfaces | 02-07-2012 | 465 KB |
| ETL 12-1 Recommondations for Incorporating Water System Emergency Response Plan Requirements (FOUO); click here to contact the Publications Manager for this document | 01-13-2012 | |
| ETL 11-29 Use of Light-Emitting Diode (LED) Fixtures in Airfield Lighting Systems on Air Force Installations and Enduring/Contingency Locations | 12-22-2012 | 80 KB |
| ETL 11-28 Mandatory Review and Update of Record Drawings for Nuclear-Capable Weapons and Munitions Storage and Maintenance Facilities | 12-07-2011 | 69 KB |
| ETL 11-27 Solar Lighting for Airfields | 12-07-2011 | 86 KB |
| ETL 11-26 Using Asphalt Surface Treatments as Preventive Maintenance on Asphalt Airfield Pavements | 12-21-2011 | 192 KB |
| ETL 11-25 Implementation of Major and Area Source Rules as Applied to Boiler Tune-ups and Energy Assessments for the Boiler MACT Rule | 08-08-2011 | 89 KB |
| ETL 11-24 Energy Savings Performance Contracts (ESPC) | 07-18-2011 | 185 KB |
| ETL 11-22 Water Distribution Lines Leak Detection | 06-21-2011 | 109 KB |
| ETL 11-21 Emergency and Standby Generator Design, Maintenance, and Testing Criteria, with Change 2Revised | 03-16-2012 | 676 KB |
| ETL 11-18 Small Arms Range Design and Construction | 04-19-2011 | 404 KB |
| ETL 11-15 Repairing and Backfilling Earthen Structures with Flowable Fill | 08-01-2011 | 92 KB |
| ETL 11-12 Grounding, Bonding, Testing and Recordkeeping for Communications Facilities | 02-24-2011 | 54 KB |
| ETL 11-10 Electrical Manhole Design Considerations, with Change 1 | 01-19-2011 | 407 KB |
| ETL 11-9 Electrical Manhole Entry and Work Procedures | 01-19-2011 | 255 KB |
| ETL 11-8 Decision Criteria for Installing Vegetative Green Roofs at CONUS Installations | 01-13-2011 | 141 KB |
| ETL 11-7 Nuclear Weapons-Capable Maintenance and Storage Facilities | 09-01-2011 | 420 KB |
| ETL 11-6 Utilities Reporting for Air Force Facilities | 06-21-2011 | 277 KB |
| ETL 11-4 Airfield Pavement Drainage Layers | 12-13-2011 | 81 KB |
| ETL 11-3 Warm Mix Asphalt (WMA) | 08-11-2011 | 62 KB |
| ETL 11-1 Civil Engineer Industrial Control System Information Assurance Compliance | 03-30-2011 | 458 KB |
| ETL 10-7 Connection Methods for Standby Generators - 600 Volts or Less | 03-03-2010 | 60 KB |
| ETL 10-6 External Foam Insulation of Temporary Structures, with Change 2 | 02-22-2010 | 133 KB |
| ETL 10-5 Self-Help Pest and Vegetation Management Program | 08-30-2010 | 98 KB |
| ETL 10-3 Procedures and Acceptance Criteria for Protective Materials Resistant to 155 mm and Smaller Fragmenting Munitions | 03-01-2010 | 2.8 MB |
| ETL 09-13 Irrigation of Installation Turfgrass and Landscaping | 10-23-2009 | 50 KB |
| ETL 09-10 Aurora Electrical System Vulnerability Assessment and Mitigation Actions; click here to contact the Publications Manager for this document | 04-16-2009 | |
| ETL 09-6 C-130 and C-17 Landing Zone (LZ) Dimensional, Marking, and Lighting Criteria (FOUO); click here to contact the Publications Manager for this document | 08-17-2009 | |
| ETL 09-4 Fire Protection Engineering Criteria - Expeditionary and Force Projection Operational Theaters | 02-09-2009 | 453 KB |
| ETL 09-3 Chemical Dust Control for Contingency Roads, Base Camps, Helipads, and Airfields | 03-03-2009 | 421 KB |
| ETL 09-2 Contingency Airfield Pavement Specifications | 03-11-2009 | 497 KB |
| ETL 09-1 Airfield Planning and Design Criteria for Unmanned Aircraft Systems (UAS) | 09-28-2009 | 3.6 MB |
| ETL 08-14 Structural Evaluation Procedure for Stabilized Soil-Surfaced Airfields | 08-28-2008 | 272 KB |
| ETL 08-13 Incorporating Sustainable Design and Development (SDD) and Facility Energy Attributes in the Air Force Construction Program | 09-14-2008 | 139 KB |
| ETL 08-10 Alternative Water Sources -- Use of Non-Potable Water | 07-10-2008 | 87 KB |
| ETL 08-6 Design of Surface Drainage Facilities | 02-05-2008 | 53 KB |
| ETL 08-4 Testing Protocol for Polymeric Spall Repair Materials | 04-10-2008 | 68 KB |
| ETL 08-3 Crater Repair Methods Using Rapid-Setting (RS) Materials (FOUO); click here to contact the Publications Manager for this document | 04-04-2008 | |
| ETL 08-2 Testing Protocol for Rigid Spall Repair Materials | 01-30-2008 | 88 KB |
| ETL 08-1 Evaluation Criteria for Aged Asphalt Concrete (AC) Surfaces, with Change 1 | 02-08-2008 | 95 KB |
| ETL 07-12 Design, Construction, Maintenance, and Evaluation of the McMurdo Sound (Antarctica) Sea Ice Runway for Heavy Wheeled Aircraft Operations | 09-24-2007 | 5.9 MB |
| ETL 07-10 Evaluation and Restoration of Folded Fiberglass Mats (FFM) | 12-19-2007 | 811 KB |
| ETL 07-8 Spall Repair of Portland Cement Concrete (PCC) Airfield Pavements in Expeditionary Environments | 07-27-2007 | 2.5 MB |
| ETL 07-7 Compact Fluorescent Lamp (CFL) Applications (FOUO); click here to contact the Publications Manager for this document | 11-06-2007 | |
| ETL 07-6 Risk Assessment Procedure for Recycling Portland Cement Concrete (PCC) Suffering from Alkali-Silica Reaction (ASR) in Airfield Pavement Structures | 08-14-2007 | 461 KB |
| ETL 07-4 Air Force Carpet Standard | 03-28-2007 | 121 KB |
| ETL 07-3 Jet Engine Thrust Standoff Requirements for Airfield Asphalt Edge Pavements | 02-14-2007 | 65 KB |
| ETL 07-2 Anchoring a Fiberglass Mat Assembly in Asphalt Concrete (AC) Pavement | 12-19-2007 | 185 KB |
| ETL 07-1 Design Criteria for Underground Electrical Distribution Systems Using Directional Boring (DB) Installation Methods for Installing High Density Polyethylene Electrical (HDPE) Conduit | 02-09-2007 | 199 KB |
| ETL 06-6 Interim Swaged End Inspection Criteria for Aircraft Arresting System (AAS) Pendants | 06-16-2006 | 73 KB |
| ETL 06-4 Expedient Trim Pad Anchoring Systems | 05-08-2006 | 432 KB |
| ETL 06-2 Alkali-Aggregate Reaction in Portland-Cement Concrete (PCC) Airfield Pavements | 02-09-2006 | 1021 KB |
| ETL 05-8 Use of Off-the-Shelf Concrete Admixtures as Cold Weather Admixture Systems (CWAS) | 11-04-2005 | 462 KB |
| ETL 05-1 Use of Acrylic Diffusers with Metal Halide Fixtures | 02-01-2005 | 81 KB |
| ETL 04-10 Determining the Need for Runway Rubber Removal, with Change 1 | 05-12-2004 | 139 KB |
| ETL 04-9 Pavement Engineering Assessment (EA) Standards | 04-29-2004 | 258 KB |
| ETL 04-6 Inspection of Drainage Systems | 01-08-2004 | 720 KB |
| ETL 04-5 Design Recommendations for Potable Water System Security (FOUO); click here to contact the Publications Manager for this document | 08-20-2004 | |
| ETL 04-4 Trenchless Technology (TT) for Crossing Air Force Pavements, with Change 1 | 03-31-2004 | 744 KB |
| ETL 04-3 Design Criteria for Prevention of Mold in Air Force Facilities, with Change 1 | 04-06-2004 | 123 KB |
| ETL 04-2 Standard Airfield Pavement Marking Schemes, with Change 1 | 07-19-2004 | 544 KB |
| ETL 03-5 Converting Civil Engineering Radio Frequency Devices to Narrowband Technology | 10-21-2003 | 123 KB |
| ETL 03-4 Alternate Fuels E85 and B20 | 10-21-2003 | 55 KB |
| ETL 03-1 Stormwater Construction Standards | 03-24-2003 | 80 KB |
| ETL 02-19 Air Field Pavement Evaluation Standards and Procedures | 11-12-2002 | 1.5 MB |
| ETL 02-16 Pegasus Ice Runway | 10-16-2002 | 859 KB |
| ETL 02-15 Fire Protection Engineering Criteria - New Aircraft Facilities | 12-03-2002 | 426 KB |
| ETL 02-12 Communications and Information System Criteria for Air Force Facilities, with Change 1 | 06-27-2002 | 117 KB |
| ETL 02-10 Airblast Protection Retrofit of Lightweight Manufactured Structures (FOUO); click here to contact the Publications Manager for this document | 06-12-2002 | |
| ETL 02-9 Construction Signs | 05-12-2002 | 65 KB |
| ETL 02-8 Silicone Joint Sealant Specification for Airfield Pavements | 09-05-2002 | 86 KB |
| ETL 02-7 Preventing Concrete Deterioration Under B-1 Aircraft | 08-07-2002 | 230 KB |
| ETL 02-4 Airblast Protection Polymer Retrofit of Unreinforced Concrete Masonry Walls (FOUO); click here to contact the Publications Manager for this document | 06-12-2002 | |
| ETL 01-18 Fire Protection Engineering Criteria - Electronic Equipment Installations | 10-24-2001 | 233 KB |
| ETL 01-10 Design and Construction of High-Capacity Trim Pad Anchoring Systems | 07-24-2002 | 1.6 MB |
| ETL 01-9 Procedures to Retard Reflective Cracking | 07-17-2001 | 220 KB |
| ETL 01-8 Resin Modified Pavement Design and Application Criteria | 09-25-2001 | 464 KB |
| ETL 01-7 Large Aggregate Asphalt Mixtures | 06-05-2001 | 189 KB |
| ETL 01-4 Fire Protection Engineering Criteria - Protective and Hardened Aircraft Shelters | 12-31-2001 | 111 KB |
| ETL 01-1 Reliability and Maintainability (R&M) Design Checklist | 10-11-2001 | 381 KB |
| ETL 00-9 Airblast Protection Retrofit for Unreinforced Concrete Masonry Walls | 08-08-2000 | 258 KB |
| ETL 00-7 Fire Protection Engineering Criteria - Correlation of US and Host Nation Codes and Criteria, with Change 1 | 05-10-2000 | 86 KB |
| ETL 00-2 Inspection and Testing of Trim Pad Anchoring Systems | 02-01-2000 | 173 KB |
| ETL 00-1 EPA Guideline Items in Construction and Other Engineering Specifications | 01-05-2000 | 48 KB |
| ETL 99-4 Fire Protection Engineering Criteria - Emergency Lighting and Marking of Exits, with Change 1 | 11-09-1999 | 40 KB |
| ETL 99-1 Treatment and Disposal of Aircraft Washwater Effluent, with Change 1 | 01-07-1999 | 143 KB |
| ETL 98-10 Installation and Operation Guide for the Stanley Hydraulic Power Unit (HPU) (Mobile Aircraft Arresting System (MASS) Upgrade | 11-05-1998 | 1 MB |
| ETL 98-8 Fire Protection Engineering Criteria - Existing Aircraft Facilities, with Change 1 | 06-25-1998 | 139 KB |
| ETL 98-4 Building Manager Energy Conservation Handbook, with Change 1 | 01-16-1998 | 662 KB |
| ETL 98-1 Design Criteria for Aggregate Surfaced Helicopter Slide Areas and Heliports, with Change 1 | 01-14-1998 | 157 KB |
| ETL 97-22 Competing Facility Keying Systems, with Change 1 | 12-05-1997 | 20 KB |
| ETL 97-18 Guide Specification for Airfield and Roadway Marking, with Change 1 | 12-05-1997 | 72 KB |
| ETL 97-17 Paint and Rubber Removal from Roadway and Airfield Pavements, with Change 1 | 12-01-1997 | 187 KB |
| ETL 97-16 Pavement Marking System for Low Temperature Applications, with Change 1 | 11-25-1997 | 94 KB |
| ETL 97-9 Criteria and Guidance for C-17 Contingency Operations on Semi-Prepared Airfields | 11-25-1997 | 2.4 MB |
| ETL 97-5 Proportioning Concrete Mixtures with Graded Aggregates for Rigid Airfield Pavements, with Change 1 | 04-25-1997 | 341 KB |
| ETL 97-3 Base Course Proof Rolling Requirements, with Change 1 | 03-25-1997 | 54 KB |
| ETL 97-2 Maintenance and Repair of Rigid Airfield Pavement Surfaces, Joints and Cracks, with Change 1 | 07-28-1997 | 277 KB |
| ETL 96-5 Hangar Concrete Floor Reflective Coating Criteria, with Change 1 | 08-26-1996 | 78 KB |
| ETL 96-4 Temporary Joint Sealing Details and Procedures for Pavements, with Change 1 | 07-09-1996 | 175 KB |
| ETL 95-1 Halon 1301 Management Planning Guidance, with Change 1 | 05-12-1995 | 205 KB |
| ETL 94-6 Fire Protection Engineering Criteria and Technical Guidance - Removal of Halogenated Agent Fire Suppression Systems, with Change 1 | 12-05-1994 | 55 KB |
| ETL 91-4 Site Selection Criteria for Fire Protection Training Areas | 06-14-1991 | 43 KB |
| ETL 91-1 Fire Protection Engineering Criteria Testing Halon Fire Suppression Systems | 01-02-1991 | 22 KB |
| ETL 89-2 Standard Guidelines for Submission of Facility Operating and Maintenance Manuals | 05-23-1989 | 61 KB |
| ETL 86-8 Aqueous Film Forming Foam Waste Discharge Retention and Disposal | 06-04-1986 | 10 KB |