Subsection 307.1 - Fire DetectionRevised sections as follows.
307.1Fire Detection. Where an alteration, addition, change of occupancy or relocation of a building is made to an existing building or structure of a Group R and I-1 occupancy, the existing building shall be provided with smoke detection/alarms in accordance with Section 907 of the International Building Code Delete exception.
Add sections as follows.
307.1.1: When a dwelling unit has more than 50% of the total combined surface area of the walls and/or ceilings open to framing, then the entire dwelling unit shall be provided with smoke detectors/alarms in accordance with Section 907 of the International Building Code.307.1.2: When a dwelling unit has 50% or less of the total combined surface area of the walls and/or ceilings open to framing, or the work is outside of the dwelling unit, the fire protection shall be maintained at the level provided but shall not be less than required by 527 CMR 1.00.780 CMR, ch. 34, pt. 1, 307, 307.1
Amended by Mass Register Issue 1532, eff. 10/11/2024.