Automatic Fire Sprinkler Requirements
All new construction shall have automatic fire sprinklers installed in accordance with the requirements of the National Fire Protection Association (NFPA) Chapter 13 and 13R. Currently one and two family homes are exempt. A building being renovated for a change in occupancy, or apartment or commercial buildings being converted to condominiums shall have automatic sprinklers installed. Sprinkler shop drawings must be submitted with the original building permit application directly to the Community Services Division. The submitted sprinkler drawings shall include the following:
1. Four complete sets of scaled shop drawings.
2. Four sets of the hydraulic calculations.
3. Four sets of the manufacturers’ cut sheets.
4. A copy of the contractors State license.
Upon approval of the drawings the permit applicant will be given two stamped sets back, one of which must be on the job site at all times. The Fire Prevention Division shall witness a flush test of the underground supply prior to connecting any system piping. Once the sprinkler work is completed Fire Prevention shall witness a successful two (2) hour 200 PSI hydrostatic test of the system before final approval will be given. Dry pipe systems shall also be required to pass a twenty-four (24) hour pneumatic test at 40 PSI. The sprinkler tests shall include:
1. Verify that the installed piping matches the approved drawing.
2. Insure that there is sufficient drainage for water discharge.
3. Water discharge diameter must equal the pipe size being flowed. If using hoses; the hose flange shall be no less then four (4) feet from the
4. A clean burlap bag or strainer must be attached to the end of the discharge hose or pipe.
1. All piping and sprinkler heads shall be in plain view from the finished floor.
2. Verify that the system gauge is at 200 PSI, and disconnect any pressure pumps.
3. Walk the building with approved drawings and verify that the installed system matches the drawing.
4. Check the piping to assure proper hanger placement.
5. Verify that the inspectors test location is proper, and the valve labeled.
6. Check for the proper number of spare heads and head wrench.
7. System hydraulic placard shall be displayed on the main riser.
8. Record the starting time of the test, after 2 hours note the pressure remaining on the main system gauge.
9. The contractor shall open the main drain to relieve the pressure.
10. Verify that there is a ½ inch ball drip on the FDC.
FIRE PUMP TEST
1. Check the installed equipment against the approved drawing.
2. Witness the acceptance test performed by the installing contractor.
3. Check for proper jockey pump operation.
4. The auto run time for the fire pump shall be set at 10 Minutes.
5. A roof shot from one standpipe shall be performed.
6. Verify that all pertinent information such as on/off pressures, dispatch phone number, and alarm position number are labeled at the pump
7. Rest all controls to normal; verify with dispatch that the proper signals where received.
8. A copy of the test results shall be forwarded to the Fire Prevention office.