Richardson Fire Department Fire Marshal’s Office 136 N Greenville Ave., Richardson, TX 75081 In-Duct Smoke Detector Testing Requirements

The Richardson Fire Department requires in-duct smoke detectors that are supervised by a fire alarm system to be tested in accordance with the National Fire Alarm Code [see below] and the manufacturer's instructions.

The following must be submitted to the Fire Department, with the Fire Protection System Permit number indicated, as part of the final acceptance of the system:

• A copy of the manufacturer’s instructions, describing the test methods and the acceptable range;
• The individual measurements and differential calculations for each unit.  The measurements and results must be on letterhead, signed by a representative of the fire alarm or HVAC contractor.

If you have any questions, please contact the Richardson Fire Department, Fire Marshal’s Office at (972)744-5750.