Bid 1093 - Security Replacement Project at OCS - Invitation…

Community College of Allegheny County OCS Security Camera System Pittsburgh, PA

B. Install and cure joint firestopping systems per manufacturer's written instructions using natural means of ventilation or, where this is inadequate, forced-air circulation.

1.7

COORDINATION

A. Coordinate construction of joints to ensure that joint firestopping systems can be installed according to specified firestopping system design. B. Coordinate sizing of joints to accommodate joint firestopping systems.

PART 2 - PRODUCTS

2.1

PERFORMANCE REQUIREMENTS

A.

Fire-Test-Response Characteristics: 1. Perform joint firestopping system tests by a qualified testing agency acceptable to authorities having jurisdiction. 2. Test per testing standards referenced in "Joint Firestopping Systems" Article. Provide rated systems complying with the following requirements: a. Joint firestopping systems shall bear classification marking of a qualified testing agency. 1) UL in its "Fire Resistance Directory."

2.2

JOINT FIRESTOPPING SYSTEMS

A. Joint Firestopping Systems: Systems that resist spread of fire, passage of smoke and other gases, and maintain original fire-resistance rating of assemblies in or between which joint firestopping systems are installed. Joint firestopping systems shall accommodate building movements without impairing their ability to resist the passage of fire and hot gases. B. Joints in or between Fire-Resistance-Rated Construction: Provide joint firestopping systems with ratings determined per ASTM E1966 or UL 2079. 1. Products manufactured by STI 2. Fire-Resistance Rating: Equal to or exceeding the fire-resistance rating of the wall, floor, or roof in or between which it is installed. C. Joints at Exterior Curtain-Wall/Floor Intersections: Provide joint firestopping systems with rating determined per ASTM E2307. 1. Products manufactured by STI 2. F-Rating: Equal to or exceeding the fire-resistance rating of the floor assembly.

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