Chiefs Regulation 4

Testing of Fire Protection Equipment
The Los Angeles Fire Department is pleased to offer guidance for your testing of Fire Protection Equipment in accordance with Chief's Regulation Number 4.


What We Will Need You To Do!    Regulations No. 4 prospective applicant letter
It is important that you first identify:

  1. Which Fire Protection Systems are in your building.
  2. The date that each system was last tested.
  3. The testing frequency required for such systems, are outlined below.

Basic Fire Warning Systems - 1 year
Complex Fire Warning Systems - 1 year
Central Station Signaling Systems - 1 year
Smoke Management Systems - 1 year
Elevators, Automatic - 1 year
Emergency Generator and Lighting Systems
All Occupancies - 1 year
Fire Doors: All Types/All Occupancies - 1 year
Fire Escapes - 1 year
Class I Standpipe Systems - 5 years
Class II Standpipe Systems - 5 years
Class III Standpipe Systems - 5 years
Combined Standpipe Systems - 5 years
Class H Standpipe Systems - 5 years
Fire Pumps - 1 year
Automatic Fire Sprinkler Systems - 5 years

Note: Pre-action, Deluge and Dry Pipe Systems are tested annually.

  • Pressure Reducing Valves (PRV's)
  • Partial Flow - 1 year
  • Full Flow - 5 years

What Is The Process?
If a Chief's Regulation No. 4 test is required, please contact a certified tester to schedule and perform your test.

  • The certified tester must submit the test results on Fire Department approved forms, electronically through the compliance engine at within 7 days.
  • Repair and Retest: If defects are found in equipment that is being tested, correction on such defects shall commence forthwith and shall be completed as soon as possible, but in every case within 30 days of the initial test. At the completion of such repair, the system or device shall be retested as necessary to determine that it is fully operable.




  • LAFD Bureau of Fire Prevention & Public Safety, Chief's Regulation No. 4 Unit
  • Your Neighborhood Fire Station 
Fire Station NON-Emergency Business Phone Numbers
  • The following list of Fire Prevention Bureau (FPB) email addresses can be used for:
    • Contacting a Unit about an issue with an FPB occupancy
    • General correspondence with a specific Unit

Brush Unit:
Central Industrial Unit:
Chief’s Reg. 4 Unit:
Environmental Unit:
Film Unit:
Harbor Industrial Unit:
High Rise Unit:
Hydrants and Access Unit:
Legal Unit:
Public Assemblage Unit:
Schools/Churches/Institutions Unit:
Valley Industrial Unit:
Valley Public Safety Unit:
West Industrial Unit:

For Additional Information Contact:
Los Angeles Fire Department
Bureau of Fire Prevention & Public Safety Chief's Regulation No. 4 Unit
200 North Main Street, Room 1700
Los Angeles, CA 90012 USA
Phone: (213) 978-3596