Fire Sprinkler System Installation or Modification Permit Application

Fire Suppression Plan Review and Inspections

Fire suppression plan review includes plan review, review of corrected drawings and required inspections. Required inspections include the rough in/200# test/insulation as one inspection and the final flow inspection as the second inspection. If additional inspections become necessary they are billed at a rate of $150.00 per inspection.

Small project modification/addition to existing NFPA 13/13R/13D/Combination System

• 1) Any addition/modification involving less than 21 sprinkler heads to an EXISTING automatic sprinkler system shall NOT require a complete plan submittal as long as the following is provided:
  • a) A completed permit application.
  • b) A check for the appropriate fee.
  • c) A letter from the Arizona licensed fire sprinkler contractor stating:
    • i) The hydraulic water supply will be sufficient and that the work being performed will not negatively impact the existing hydraulics. 
    • ii) The added or modified sprinklers are not adding to nor are they creating a new remote area.
    • iii) The exact number of sprinklers being added/moved/modified and why.
    • iv) Time schedules for the work (start date and projected completion).
    • v) The system will be installed in accordance with all applicable codes and standards
• 2) Any addition/modification involving flexible sprinkler hose to an EXISTING automatic sprinkler system shall NOT require a complete plan submittal provided that the system was originally designed with flexible sprinkler hose and all the requirements in item #1 are fulfilled.
• 3) Any addition/modification involving paint booths, pipe-schedule designed systems, and other special application sprinkler systems SHALL require a complete plan submittal, no exceptions.
• 4) There shall be a limit of ONE “less than 21 sprinkler head” construction permit per sprinkler system without a complete plan submittal being required.
• Fire Protection Underground:

Fire lines shall be visible during hydrostatic testing. Center loading of the pipe is acceptable; however, all joints, valves, thrust blocks, and fittings shall be visible. The fire department inspection of fire line consists of the fire line supply piping from the inside / outside of the building(s) to the point of connection to the supply water main at street or to water main loop. If a remote FDC is installed, the fire line supply piping from the building to the remote FDC is required.

Submittal Must Include the Following:

Minimum Information Required (review shall not be completed until all required information is provided):

• 2 sets hard copy (signed and stamped by a NICET III or IV or AZ Design Professional) or 1 PDF copy of plans submitted on digital media 
• Hydraulic Calculations (PDF Copy)•Product Specifications (PDF copy with specific products highlighted or indicated)