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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.

 

 

 

NFPA 72, 2007 edition, Table 10.4.2.2 Test Methods

 

 

 

(4) Duct type  

Air duct detectors shall be tested or inspected to ensure that the device will sample the airstream. The test shall be made in accordance with the manufacturer’s published 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.

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