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According to Subtitle 4, Section 4-158 (k), The system supply shall be based upon the low hydraulic grade shown on the Hydraulic Information Sheet, as determined by the Washington Suburban Sanitary Commission (WSSC) or lowest hydraulic point per the water authority in areas not served by WSSC. The demand for the automatic sprinkler system must be below the available water supply curve, as follows:
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Yes, you do need to obtain a permit; however, you do not need to provide plans for review in accordance with Section 4-157(a), Subtitle 4. Plans are not required for automatic sprinkler system modifications or installations in commercial buildings involving 10 sprinkler heads or less, and not involving the shifting of any cross mains or risers. Plans are not required for automatic sprinkler system modifications in single family dwellings for adding or relocating sprinkler heads on the basement level or grade level involving 6 sprinkler heads or less, and not involving the shifting of any cross mains or risers or creating a more hydraulically demanding remote area. Inspection and testing shall still be required after completion of the work.
No, all plumbing requirements are handled by the Washington Suburban Sanitary Commission (WSSC). Plumbing drawings can be provided for reference. For more information, visit the WSSC website.
The cost of fire alarms and sprinkler systems can be found on the DPIE Fee Schedule.
2018 IBC, 2018 NFPA 101, 2018 NFPA 1, Maryland Fire Prevention Code, Prince George’s County Subtitle 4 Building and Subtitle 11 Fire Safety. View adopted codes and amendments:
Refer to Subtitle 11, Section 11-253
The following are current editions of our most frequently used NFPA standards:
A fire hydrant is required within 200 feet of any required Fire Department connection, in accordance with Section 4-167, Subtitle 4.
Fire Inspections are handled by the Fire/EMS Department. To schedule an appointment, contact the Office of the Fire Marshal at 301-583-1830.
Yes. The Fire System shop drawings are required to be reviewed and approved by a DPIE-certified, third-party plan review agency. Visit DPIE’s website to view a current list of Third-Party Reviewers for Fire Protection Systems.
Yes, fire alarm shop drawings are required to be submitted for automatic sprinkler monitoring systems. Once you receive approval by a Certified Third-Party Reviewer for Fire Protection Systems, submit the plans and booklets through DPIE’s ePermits Online Portal.
If the change is only for the fire alarm panel with no changes to associated field devices, then fire alarm plans need not be submitted. However, an Electrical Permit is still required for the fire alarm panel changes.
All plans that require hydraulic calculations must verify all water supplies. All new buildings and additions require that the water test be provided from Washington Suburban Sanitary Commission (WSSC). Learn more information on the Automatic Sprinkler System page.
Subtitle 4, Section 4-106 (e) Subsection 101.4.5, Applicability. Whenever this Code makes reference to the International Fire Code, the requirements of the National Fire Protection Association (NFPA) 1 and Subtitle 11 of the Prince George's County Code shall apply except where referenced in Section 413, 2018 IBC Combustible Storage, 2018 Section 426, 2018 2015 IBC Combustible Dusts, Grain Processing and Storage, Section 427 Medical Gas Systems, and Section 428 Higher Education Laboratories.
No, the fire protection systems require a separate permit and a third-party review process. The Building Permit and any revisions to the Building Permit must be permitted before obtaining a Fire Protection Systems Permit. Visit DPIE’s website page on Fire & Life Safety for more information on the Third-Party Review Program.