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In Multiple occupancy-Separated occupancies approach-Horizontal Exit

Question asked by amir_aladdin on Feb 27, 2018

In case of a building that is classified as Mercantile with under ground parking; is it allowed to add horizontal exits within the 2-hr separation wall from the mall lobbies to the parking and vice-versa? ( taking into consideration that the design approach for this multiple occupancy building is separated occupancies with full separation of 2-hr Fire barrier as per table Note: both parts are classified ordinary hazard areas).