Laboratory Exhaust Duct Material

For this lab exhaust, what duct material and joint type does the spec require? Is standard galvanized acceptable?

I'm checking laboratory exhaust duct material at [location]. I found ductwork connected to laboratory fume hoods or chemical exhaust systems. For this lab exhaust, what duct material and joint type does the spec require? Is standard galvanized acceptable?

Grease Duct, Kitchen & Industrial Exhaust 3rd Year RED

Stop if

Hold point on laboratory exhaust duct material: 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 use standard galvanized for corrosive exhaust. Don't assume lab exhaust is the same as general exhaust.

Check

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

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14131 laboratory exhaust duct material grease duct & specialty exhaust red 3 for this lab exhaust, what duct material and joint type does the spec require? is standard galvanized acceptable? i'm checking laboratory exhaust duct material at [location]. i found ductwork connected to laboratory fume hoods or chemical exhaust systems. for this lab exhaust, what duct material and joint type does the spec require? is standard galvanized acceptable? lab exhaust duct material, fume hood duct type, chemical exhaust pipe laboratory exhaust duct, fume hood duct, corrosive exhaust duct, specialty exhaust lab duct, chemical duct, fume hood pipe, special exhaust

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