Owner help

Your certificate of occupancy is waiting on radio coverage. Here is the fastest path.

New buildings must provide approved in-building radio coverage for emergency responders (IFC 2021 510.1), and many places hold the certificate of occupancy until the system or a passing test is approved. In Broward County, no certificate of occupancy or completion is issued until the ERCES is approved by every authority and the radio license holder (FBC Broward 118.1.4). The fastest path is an early signal test, a design built to the fire department's criteria (IFC 2021 510.4.2.2), the license holder's consent requested early, fire alarm monitoring coordinated (IFC 2021 510.4.2.5), and a passing grid test on every floor (IFC 2021 510.5.4).

Last verified Updated 6 sourcesChangelog

Coaxial cable running up a riser in a building under construction

Why the radio test is holding your CO

The model fire code requires approved in-building, two-way emergency responder radio coverage in all new buildings, judged against the public safety signal outside (IFC 2021 510.1). Florida law also requires new and existing buildings, unless exempt, to meet the minimum signal level the local fire marshal sets (F.S. 633.202(18)(a), (18)(b)).

Local rules often tie this directly to occupancy:

PlaceWhat must happen before occupancySource
Broward County, FLNo certificate of occupancy or completion until the ERCES is approved by the building, electrical, fire and elevator authorities and the FCC license holderFBC Broward 118.1.4
Phoenix, AZA Certificate of Radio Coverage Compliance signed and sealed by an Arizona-licensed engineer; a TCO may be issued case by casePhoenix Explanatory Policy
Houston, TXTesting by a city-registered third-party special inspector before the certificate of occupancy or final inspectionHouston CE-1350

Check your own state and city requirements for the local version.

The fastest path to sign-off

  1. Ask for the criteria first. The fire code official keeps a technical criteria document with frequencies, radio sites and design details (IFC 2021 510.4.2.2). Design to it, not to a generic spec.
  2. Survey early. A survey before walls and glass are finished helps size the design and plan cable pathways, but the formal test must reflect the finished building.
  3. Request the license holder's consent early. A booster may only operate with the express consent of the radio license holder, kept in writing (47 CFR 90.219(b)(1)(i); F.S. 633.202(18)(d)). In Broward, the license holder accepts the sealed drawings before the other authorities review them, and the system may not be switched on, even for testing, until it authorizes that in writing (BORA ERCES Guidelines 1.4, 1.7; FBC Broward 118.4). Ask the license holder how long its review takes and build that into the schedule.
  4. Pull the permit. Installing a system needs a construction permit (IFC 2021 510.3).
  5. Coordinate amplifier approval. Amplifiers that can operate on public safety frequencies need prior coordination and approval of the fire code official (IFC 2021 510.5.2).
  6. Plan standby power and space. The model code asks for batteries or batteries plus generator that run the system at full load for at least 12 hours (IFC 2021 510.4.2.3).
  7. Check the team's credentials. The designer and lead installer need an FCC general radio operator license and in-building system training at minimum (IFC 2021 510.5.3).

Fire alarm monitoring

The system must be monitored by a listed fire alarm control unit, or by an audible signal at a constantly attended location, and the model code lists eight supervisory signals, such as donor antenna failure and low battery (IFC 2021 510.4.2.5). That means the fire alarm contractor has to program and test those points before the radio acceptance test. Put both contractors on the same schedule and make one of them responsible for the tie-in in writing.

A status panel with indicator lights beside a fire alarm panel.
The radio system's trouble signals have to show up at the fire alarm panel.

The acceptance test

The acceptance test is what most COs wait on (IFC 2021 510.5.4):

  • Each floor is divided into 20 roughly equal test areas.
  • More than one failed area fails the floor. If exactly two areas fail, the floor may be redivided into 40 areas, with up to two non-adjacent failures allowed.
  • The tester uses a calibrated radio of the model the fire department uses, on the department's system.
  • Amplifier gain values are recorded and kept by the owner.
  • A spectrum analyzer checks the booster for oscillation.

Coverage must reach 95 percent of all areas and 99 percent of critical areas on each floor under the model code (IFC 2021 510.4.1), though your fire department may use its own numbers. On test day, have every room unlocked, including stairs, the fire pump room and elevator lobbies, and have the installer and fire alarm contractor on site. If the test fails, see failed a radio coverage test. For the full sequence, see BDA system testing.

A technician sets up a signal meter in a corridor.
Each floor is tested as a grid of 20 areas; more than one failed area fails the floor.

What to ask the fire marshal

Send these in writing so the answers are on record:

  1. Which document sets the signal levels and critical areas for this building?
  2. Can the acceptance test be scheduled before final finishes, or only after?
  3. What does a TCO need for radio coverage, if one is possible here?
  4. Who must witness the test, and how far ahead must it be booked?
  5. What paperwork closes the radio permit: test report, as-builts, the license holder's letter?

If the original installer has dropped out, see permit expired or installer quit.

Get quotes to clear the test

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Questions people ask

Can we get a temporary certificate of occupancy while the radio system is finished?

Sometimes, but it is a local decision. Phoenix, for example, says a temporary certificate of occupancy may be issued case by case (Phoenix Explanatory Policy, Emergency Responder Radio Coverage). Broward's code holds the certificate of occupancy or completion until the system is approved (FBC Broward 118.1.4). Ask your building official and fire marshal in writing what a TCO would need.

Does every new building need an amplifier?

No. A new building needs approved coverage (IFC 2021 510.1). If the test shows the building already meets the signal levels, no amplification system is required (IFC 2021 510.4.2.1). In Florida, if the fire marshal finds the public safety signal inadequate at the outside of the building, no system or assessment is required (F.S. 633.202(18)(e)).

When should the signal test happen on a new building?

Ask the fire marshal, because the coverage test has to reflect the finished building. Walls, glass and below-grade floors all change the signal. Many teams run an early survey to plan the design and pathways, then the formal acceptance test once the building is closed in and the system is installed.

Is ERRCSCheck part of the fire department or building department?

No. ERRCSCheck is a private company, not a government agency. Only your building official and fire marshal can release a certificate of occupancy.

Sources

Primary documents we read for this page. Rules change; confirm with your fire marshal (AHJ).

  1. International Fire Code 2021, Section 510 (text as published by the City of Eaton), City of Eaton, reproducing the ICC International Fire CodeVerified October 25, 2026 · code
  2. Florida Statutes 2026, section 633.202, subsection (18), The Florida SenateVerified October 25, 2026 · statute
  3. BORA ERCES Guidelines, revised 2021-10-14 (archived copy; broward.org blocks automated access), Broward County Board of Rules and AppealsVerified October 25, 2026 · ahj document
  4. 47 CFR 90.219, Use of signal boosters, Electronic Code of Federal RegulationsVerified October 25, 2026 · federal
  5. Fire Prevention Section Explanatory Policy Manual 2026, Emergency Responder Radio Coverage (effective January 1, 2026), City of Phoenix Fire DepartmentVerified October 25, 2026 · ahj document
  6. Emergency Responder Communication Coverage (ERCC) Guideline, Form CE-1350 (revised July 2025), City of HoustonVerified October 25, 2026 · ahj document

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