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uch as 30%. ▪ UFC 4-024-01 has no adverse impacts on environmental or constructability policies or practices. Sustainment costs and energy usage will be increased by application of this guidance. ▪ Impacts on Services (Army and Navy): − Department of Army: The Army Corps of Engineers released Engineering Technical Letter (ETL) 1110-3-498, Design of Collective Protection Shelters to Resist Chemical, Biological and Radiological (CBR) Agents in February 1999. This ETL was used to develop UFC 4-024-01, which will supersede the ETL. − Department of Navy – Marine Corps: The Navy developed Military Handbook MIL-HDBK-1040, Basic Guidelines for Chemical Warfare Hardening of New Military Facilities in February 1989. That handbook was converted to UFC 3-340-13 in January 2004. UFC 4-024-01 will super

BC) Protection, 2 June 2003. NTTP 3-11.29, Multiservice Tactics, Techniques, And Procedures For Nuclear, Biological, And Chemical Reconnaissance, 30 July 2004. 12. Unified Facilities Criteria UFC 3-340-01, Design and Analysis of Hardened Structures to Conventional Weapons Effects, 30 June 2002. UFC 3-400-02, Design: Engineering Weather Data, 28 February 2003. UFC 4-010-01, DoD Minimum Antiterrorism Standards for Buildings, 8 October 2003. UFC 4-010-02, Design (FOUO): DoD INACTIVE UFC 4-024-01 10 June 2008 A-3 Minimum Standoff Distances for Buildings, 8 October 2003. UFC 4-020-01, Security Engineering Planning Manual, currently being completed. UFC 4-020-02, Security Engineering Design Manual, currently being completed. UFC 4-024-02, Security Engineering: Design Examples for Airborne Chemic

re designed for sequential use by a diverse audience to facilitate development of projects throughout the design cycle. The manuals in this series include the following: − UFC 4-010-01: DoD Minimum Antiterrorism Standards for Buildings INACTIVE UFC 4-024-01 10 June 2008 − UFC 4-020-01: Security Engineering Facilities Planning Manual − UFC 4-020-02: Security Engineering Facilities Design Manual − Security Engineering Support Manuals (This category includes UFC 4-024-01.) Impacts: ▪ This manual creates a single-source reference for the design of protection systems for buildings against airborne CBR hazards that are the result of a terrorist attack, industrial accident or intentional release of CBR agents either external or internal to the facility. Facility protection and design criteria for

function during an event when sheltering in place requires turning off all other HVAC systems. This is per Air Force Manual 10-2503, Operations in a Chemical, Biological, Radiological, And Nuclear (CBRN) Environment and UFC 4-024-01, Security Engineering: Procedures for Designing Airborne Chemical, Biological, and Radiological Protection for Buildings. 10.3.5.3. The HVAC controls should be separate in the Building Automation System (BAS) and dedicated to servicing the LBDT room only. Full control for startup/shut down/temperature of the HVAC system must reside within the LBDT room(s), in addition to any other location required by Facility Management. If there are two rooms, each require temperature control. 10.3.5.4. UFC 4-010-01, DoD Minimum Antiterrorism Standards For Buildings, the (AT/

rotective Shelters Chapter References AFI 10-2501 Air Force Emergency Management Program AFI 34-135 Air Force Lodging Program AFI 48-137 Respiratory Protection Program AFMAN 10-2503 Operations in a Chemical, Biological, Radiological, Nuclear, and High-Yield Explosive (CBRNE) Environment AFMAN 10-2504 Air Force Incident Management Guidance for Major Accidents and Natural Disasters AFPAM 10-219V7 Expedient Methods AFTTP 3-2.46 Multiservice Tactics, Techniques, and Procedures for Nuclear, Biological, and Chemical (NBC) Protection ATP 3-37.34 Survivability Operations GTA 90-01-011 Joint Forward Operations Base (JFOB) Force Protection Handbook, Sixth Edition (For Official Use Only [FOUO]) UFC 4-024-01 Procedures for Designing Airborne Chemical, Biological, and Radiological Protection for Buildi

s UFC 3-600-01, Fire Protection Engineering for Facilities UFC 4-010-01, DoD Minimum Antiterrorism Standards for Buildings UFC 4-021-02 28 July 2025 207 UFC 4-010-03, Security Engineering: Physical Security Measures for High-Risk Personnel UFC 4-010-05, SCIF/SAPF Planning, Design, and Construction UFC 4-010-06, Cybersecurity of Facility-Related Control Systems (FRCS) UFC 4-020-01, DoD Security Engineering Facilities Planning Manual UFC 4-020-02FA, Security Engineering: Concept Design UFC 4-020-03FA, Security Engineering: Final Design UFC 4-022-01, Security Engineering: Entry Control Facilities/Access Control Points UFC 4-022-03, Security Fences and Gates UFC 4-024-01, Security Engineering: Procedures for Designing Airborne Chemical, Biological, and Radiological Protection for Buildings UFC

nstallation ability to identify and sustain toxic free areas (TFA). Refer to Unified Facilities Criteria (UFC) 4-024-01, Security Engineering: Procedures for Designing Airborne Chemical, Biological, and Radiological Protection for Buildings, and AFTTP 3-2.46, Multi-Service Tactics, Techniques, and Procedures for Chemical, Biological, Radiological, and Nuclear Passive Defense, for additional guidance on COLRPO requirements. 2.18.6.1. Identify, plan, and program COLPRO requirements for ELs and CLs based on a current CBRN threat assessment derived from the JIPOE process and using the planning guidance below. At a minimum, consider COLPRO requirements for facilities providing C2, mission generation, rest and relief, and/or medical care. 2.18.6.2. Refer to AFTTP 3-2.46 for COLPRO planning inclu

es either Class II or Class I overpressurization depending on operational considerations (see UFC 4-024-01). The filter system can be run continuously or in response to a threat or a heightened force protection condition. It will remove chemical, biological, and radiological agents. 6-8.2.4 High Level of Protection. High LOP includes Medium LOP and adds filtering of recirculated air. The filter system is run continuously. For TSL IV, add explosive detectors. 6-8.3 Project Scope Implications. The project scope implications for this tactic include building support systems. 6-8.3.1 Sitework Elements. Because the focus of this tactic is on keeping agents out of buildings, there are very limited sitework element implications. The only measures are maintaining unobstructed space and avoiding loc