# Compliance evidence pack (UNOFFICIAL)

- **Question:** UFC 4-021-01
- **Generated:** 2026-07-21 16:57 UTC
- **e-Publishing catalog checked:** 2026-07-12
- **Supplement layer:** none selected
- **Source:** CheckMyAFI (https://checkmyafi.com) — unofficial reference

> **UNOFFICIAL — VERIFY BEFORE CITING.** Quotes come from indexed copies of public publications. The certified PDF on e-Publishing is the only authoritative source. Your MAJCOM/unit supplement may be stricter.

## Synthesized answer (unofficial)

# Answer

UFC 4-021-01 is the Unified Facilities Criteria (UFC) for Design and Operation & Maintenance of Mass Notification Systems, current as of 9 April 2008 with Change 1 dated January 2010 [UFC 4-021-01].

This UFC applies to the Air Force, Army, Marine Corps, and Navy and establishes design requirements for mass notification systems (MNS) [UFC 4-021-01]. The 2008 revision incorporated lessons learned from field experience and added criteria approving combined MNS and fire alarm systems in some facilities, plus new chapters on wide area MNS, operational characteristics, and special considerations [UFC 4-021-01]. Sample pre-recorded MNS messages and Internet capability progress are documented in the appendices [UFC 4-021-01].

The publication is prepared by the Air Force Civil Engineer Support Agency in coordination with Naval Facilities Engineering Command, U.S. Army Corps of Engineers, and the Office of the Deputy Under Secretary of Defense [UFC 4-021-01].

Unofficial — answered from indexed publication text, which may be incomplete or out of date. Your MAJCOM/unit supplement may be stricter. Verify the official PDF before acting or writing a finding.

## Controlling Air Force guidance (quoted)

**AFSOCI 32-1084 para 7.4.37** (effective/current as of 2023-02-21)

> tant drains. Applicable criteria include UFC 3-401-01 for mechanical & UFC 3-410-01 for HVAC. Electrical Industrial equipment typically requires 240- and 480-volt, three-phase electrical current. Use commercial grade convenience receptacles and special power outlets. Consult X-ray and other NDI equipment specifications for their specific power requirements. Applicable criteria include UFC 3-501-01 for general electrical requirements, UFC 3-520-01 for interior electrical systems requirements, UFC 3-530-01 for interior and exterior lighting and controls requirements, UFC 3-550-01 for exterior power distribution systems requirements, UFC 3-560-01 for electrical safety and electrical O&M requirements, UFC 3-580-01 for building telecommunications requirements, and UFC 4-021-01 for mass notifica

Official source: https://static.e-publishing.af.mil/production/1/afsoc/publication/afsoci32-1084/afsoci32-1084.pdf

## Supplement deltas

_No supplement passage retrieved — check the supplement chain before citing._

## Federal / DoD standards implemented (quoted)

_No federal/DoD passage retrieved._

## NFPA standards (cited by reference — copyrighted, not quoted)

- **NFPA 780** Installation of Lightning Protection Systems — cited by AFSOCI 32-1084 — official viewer: https://link.nfpa.org/free-access/publications/780/latest
- **NFPA 33**  — cited by AFSOCI 32-1084 — official viewer: https://link.nfpa.org/free-access/publications/33/latest

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Retrieval confidence: 97.56 · CheckMyAFI is not an official Air Force product. Verify every citation against the certified publication.