This assembly shows a fire-rated partition wall meeting the underside of a steel beam supporting a metal deck. The steel beam is protected per Underwriters Laboratories Design No. D929, while the partition wall is constructed per Underwriters Laboratories Design No. U419. Rigid mineral and fiber board, such as Driclad or equal, provides fire protection around the beam. A fire-resistive joint system is installed at the head of the partition where it meets the beam, with specific head-of-wall details referenced in the partition types schedule.
BEAM; SEE STRUCTURAL RATED PARTITION REFER TO FLOOR PLANS AND PARTITION SCHEDULE METAL DECK RATED PARTITION UL DESIGN NO. U419 RATED BEAM UL DESIGN NO. D929 RIGID MINERAL AND FIBER BOARD, DRICLAD OR EQUAL FIRE-RESISTIVE JOINT SYSTEM. SEE PARTITION TYPES FOR HEAD OF WALL DETAILS.
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