Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 11 - Accessibility
Section 1107 - DWELLING UNITS AND SLEEPING UNITS
Subsection 1107.6 - Group R
Current through Register 1531, September 27, 2024
Accessible units, Type A units and Type B units shall be provided in Group R occupancies in accordance with Sections 1107.6.1 through 1107.6.4.
1107.6.1 Group R-1. Accessible units and Type B units shall be provided in Group R-1 occupancies in accordance with Sections 1107.6.1.1 and 1107.6.1.2.
TABLE 1107.6.1.1 ACCESSIBLE DWELLING AND SLEEPING UNITS
TOTAL NUMBER OF UNITS PROVIDED | MINIMUM REQUIRED NUMBER OF ACCESSIBLE UNITS WITHOUT ROLL-IN SHOWERS | MINIMUM REQUIRED NUMBER OF ACCESSIBLE UNITS WITH ROLL-IN SHOWERS | TOTAL NUMBER OF REQUIRED ACCESSIBLE UNITS |
1 to 25 | 1 | 0 | 1 |
26 to 50 | 2 | 0 | 2 |
51 to 75 | 3 | 1 | 4 |
76 to 100 | 4 | 1 | 5 |
101 to 150 | 5 | 2 | 7 |
151 to 200 | 6 | 2 | 8 |
201 to 300 | 7 | 3 | 10 |
301 to 400 | 8 | 4 | 12 |
401 to 500 | 9 | 4 | 13 |
501 to 1,000 | 2% of total | 1% of total | 3% of total |
Over 1,000 | 20, plus 1 for each 100, or fraction thereof, over 1,000 | 10 plus 1 for each 100, or fraction thereof, over 1,000 | 30 plus 2 for each 100, or fraction thereof, over 1,000 |
Exception: The number of Type B units is permitted to be reduced in accordance with Section 1107.7.
1107.6.2 Group R-2. Accessible units, Type A units and Type B units shall be provided in Group R-2 occupancies in accordance with Sections 1107.6.2.1 and 1107.6.2.2.
Exceptions:
Exception: The number of Type B units is permitted to be reduced in accordance with Section 1107.7.
Exception: The number of Type B units is permitted to be reduced in accordance with Section 1107.7.
1107.6.3 Group R-3. In Group R-3 occupancies where there are four or more dwelling units or sleeping units intended to be occupied as a residence in a single structure, every dwelling unit and sleeping unit intended to be occupied as a residence shall be a Type B unit.
Exception: The number of Type B units is permitted to be reduced in accordance with Section 1107.7.
1107.6.4 Group R-4. Accessible units and Type B units shall be provided in Group R-4 occupancies in accordance with Sections 1107.6.4.1 and 1107.6.4.2.
Exception: The number of Type B units is permitted to be reduced in accordance with Section 1107.7.