Sec. 4-165. Fire Protection Systems; Section 907, Fire Alarm and Detection Systems
Codified through Bill No. CB-018-2026, adopted May 12, 2026, effective July 24, 2026. Source: Municode, Supplement 2026 Update 2. Editorial notes and legislative history omitted.
Prince George's County, Md., Code § 4-165 (2026)
Sec. 4-165. Fire Protection Systems; Section 907, Fire Alarm and Detection SystemsLinkCopy Citation
(a)
Section 907.2.1.1, System initiation in Group A occupancies with an occupant load of 300 or more. Activation of the fire alarm in Group A occupancies with an occupant load of 300 or more shall initiate a signal using an emergency voice/alarm communications system in accordance with NFPA 72. Section 907.5.2.2.
Exception:
(1)
Where approved, the prerecorded announcement is allowed to be manually deactivated for a period of time, not to exceed 3 minutes, for the sole purpose of allowing a live voice announcement from an approved, constantly attended location.
(2)
Automatic sprinkler system zones shall not exceed the area permitted by NFPA 13. Fire alarm zones may exceed twenty-two thousand five hundred (22,500) square feet where necessary to match sprinkler zones.
(b)
Section 907.6.4.1, Graphic Zoning Indicator Panel. A zoning indicator panel with a graphic display and the associated controls shall be provided at the main entrance(s) of the building or structure. If the building is not constantly attended, the display shall be visible and discernible from the exterior. The visual zone indication shall lock in until the system is reset and shall not be canceled by the operation of an audible alarm-silencing switch. The Graphic Zoning Panel shall provide the following information:
(1)
Full name and address of building
(2)
Location of Sprinkler Room and/or Fire Pump Room
(3)
Location of fire hydrant(s)
(4)
Fire Command Center, if applicable
(5)
Location of Fire Alarm Control Panel
(6)
Location of all Fire Alarm Control Unit(s), if applicable
(7)
Location of main electrical disconnect for Building and Photovoltaic Systems
(8)
Location of main gas shutoff, if applicable
(9)
North Arrow
(10)
Location of all generator(s), if applicable
(c)
Fire alarm system within a building must not have conflicting:
(1)
Audio devices
(2)
Visual devices