Smoke Detector Location in Duct

For this duct smoke detector, what are the location requirements per NFPA 72? And is there adequate access for testing?

I'm checking smoke detector location in duct at [location]. I found smoke detector mounted in ductwork with sampling tubes extending into airstream. For this duct smoke detector, what are the location requirements per NFPA 72? And is there adequate access for testing?

Fire/Smoke Dampers & Rated Assemblies 2nd Year RED

Stop if

Hold point on smoke detector location in duct: I have the location, photo, drawing/detail, and what I checked. Who should verify before this gets cut, drilled, covered, lifted, connected, or signed off?

Watch out

Don't install duct smoke detectors without checking NFPA 72 requirements. Don't sample from turbulent areas.

Check

room/grid/area
photo of condition
drawing/detail or submittal
what I already checked
what is blocking progress

Say this to your foreman

14128 smoke detector location in duct dampers, fire/smoke & life safety red 2 for this duct smoke detector, what are the location requirements per nfpa 72? and is there adequate access for testing? i'm checking smoke detector location in duct at [location]. i found smoke detector mounted in ductwork with sampling tubes extending into airstream. for this duct smoke detector, what are the location requirements per nfpa 72? and is there adequate access for testing? duct smoke detector location, smoke detector in duct, nfpa 72 duct detector duct smoke detector, smoke detector in air duct, sampling tube smoke alarm in duct, detector in pipe, smoke sensor, duct detector

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