Architectural · A-A6ZAB

Multiple Penetrations through Partition Type A2

Materials

Elements

Walls Partitions Insulation Roof / Floor Openings

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The opening through the partition is packed firmly with two and a half inches minimum thickness of mineral wool insulation forming material. A one-inch thick minimum layer of firestop sealant is applied within the opening, flush with the surface of the wall on both sides. Penetrating items include an eighteen by six inch maximum metal cable tray carrying cable bundles, a PVC pipe up to three inches in diameter or steel pipe up to six inches in diameter, and a cable bundle up to one and a half inches in diameter. The annular space ranges from one inch minimum to seven inches maximum for the cable tray, one and a half inches minimum to nine and a quarter inches maximum for the pipe, and one and three-sixteenths inches minimum to one and a half inches maximum for the cable bundle, conforming to UL listing W-L-8013.

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