Subsection AJ112.4 - Fire ProtectionFire protection features shall comply with the code for new construction throughout the addition.
AJ112.4.1Smoke, Carbon Monoxide and Heat Protection. Where the addition requires smoke, carbon monoxide, and/or heat detection in Sections R314, R314.5 or R315, the addition shall comply with the provisions for new construction. AJ112.4.1.1 Where the addition requires smoke, carbon monoxide, and/or heat detection in accordance with AJ102.3, the provisions shall apply throughout the building.AJ112.4.2Automatic fire sprinkler system. Where the addition creates a condition that would require the installation of a fire sprinkler system per Section R313, an automatic fire sprinkler system shall be installed throughout the addition.780 CMR, ch. 51, app AF, app AJ, AJ112.4
Amended by Mass Register Issue 1532, eff. 10/11/2024.