Duct Firestop At Penetrations

What listed firestop system applies at this penetration?

I'm checking duct firestop at penetrations at [location]. I found Wrong/missing firestop, wrong system, scope confusion. What listed firestop system applies at this penetration?

Fire/Smoke Dampers & Rated Assemblies 3rd Year RED

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Hold point on duct firestop at penetrations: I have the location, photo, drawing/detail/spec section, and what I checked. Who should verify before this gets cut, drilled, covered, supported, labeled, connected, or signed off?

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Improvise a firestop system

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

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14548 duct firestop at penetrations fire & smoke dampers red 3 what listed firestop system applies at this penetration? i'm checking duct firestop at penetrations at [location]. i found wrong/missing firestop, wrong system, scope confusion. what listed firestop system applies at this penetration? firestop firestop, penetration seal, listed system

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