Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 30 - Elevators and Conveying Systems
Section 3007 - FIRE SERVICE ACCESS ELEVATOR
Subsection 3007.4 - Fire service access elevator lobby
Current through Register 1531, September 27, 2024
The fire service access elevator shall open into a fire service access elevator lobby in accordance with Sections 3007.4.1 through 3007.4.4.
Exception: Where a fire service access elevator has two entrances onto a floor, the second entrance shall be permitted to open into an elevator lobby in accordance with Section 708.14.1.
3007.4.1 Access. The fire service access elevator lobby shall have direct access to an exit enclosure.
3007.4.2 Lobby enclosure. The fire service access elevator lobby shall be enclosed with a smoke barrier having a minimum 1-hour fire-resistance rating, except that lobby doorways shall comply with Section 3007.4.3.
Exception: Enclosed fire service access elevator lobbies are not required at the street floor.
3007.4.3 Lobby doorways. Each fire service access elevator lobby shall be provided with a doorway that is protected with a 3/4-hour fire door assembly complying with Section 715.4. The fire door assembly shall also comply with the smoke and draft control door assembly requirements of Section 715.4.3.1 with the UL 1784 test conducted without the artificial bottom seal.
3007.4.4 Lobby size. Each enclosed fire service access elevator lobby shall be a minimum of 150 square feet (14 m2) in an area with a minimum dimension of 8 feet (2440 mm).
