Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 4 - Special Detailed Requirements Based on Use and Occupancy
Section 405 - UNDERGROUND BUILDINGS
Subsection 405.7 - Means of egress
Universal Citation: 780 CMR MA Code of Regs 405.7
Current through Register 1531, September 27, 2024
Means of egress shall be in accordance with Sections 405.7.1 and 405.7.2.
405.7.1 Number of exits. Each floor level shall be provided with a minimum of two exits. Where compartmentation is required by Section 405.4, each compartment shall have a minimum of one exit and shall also have an exit access doorway into the adjoining compartment.
405.7.2 Smokeproof enclosure. Every required stairway serving floor levels more than 30 feet (9144 mm) below the finished floor of its level of exit discharge shall comply with the requirements for a smokeproof enclosure as provided in Section 1022.9.
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