A firestop installer discovers that a previously firestopped cable penetration has been disturbed by another trade. The correct response is:
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A
Leave it as is since the original firestop material is still present
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B
Document the disturbance, notify the responsible party, and restore to a listed condition
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C
Add more sealant over the disturbed area without further investigation
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D
Report only to the building owner, not the AHJ