This rule incorporates by reference National Fire Protection Association Standard #101, Life Safety Code, 2018 edition. All rights reserved by the National Fire Protection Association. Copies of this standard are available through the National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269.
A.Unvented fuel-fired heaters.Unvented fuel-fired heaters shall not be used in a bedroom or bathroom or in a manufactured home. B.Extinguishment Requirements in One- and Two- Family Dwellings. Section 24.3.5.1 of NFPA #101, the Life Safety Code, 2018 edition, is not incorporated by reference.C.Stair risers, guards, treads, and tread nosing. The following provisions of NFPA #101, Life Safety Code, 2018 edition, are modified as indicated: The maximum height of risers as prescribed in Chapter 24, Section 24.2.5 is modified to permit a maximum 7 3/4" riser for newly constructed stairs in one- and two family dwellings only. The minimum height of guards as prescribed in Chapter 24, Section 24.2.5 is modified to permit a minimum guard height of 36" for newly constructed stairs in one- and two family dwellings only. The minimum tread depth as prescribed in Chapter 24, Section 24.2.5 shall be amended to permit a 10" tread depth for newly constructed stairs in one-and two family dwellings only. Tread nosing as prescribed in Chapter 7, Section 7.2.2.3.3.2 is modified to permit a nosing at least 3/4" but not more than 1 1/4" in depth for newly constructed one-and two family dwellings.Nosings are not required where tread depth is not less than 11 inches.D.Separated Occupancies. Tables 6.1.14.4.1 Part 1 &2, "Required Separation of Occupancies (hours.)" shall be crossed referenced with Table 508.4 Required Separation of Occupancies of the 2015 International Building Code (IBC). Where separation requirements in the two tables conflict, separation requirements set forth in the IBC table control.E.Accessory Occupancies.Chapter 6, Section 6.1.14.1.3 of NFPA #101, Life Safety Code, 2018 edition, is not incorporated. Section 508.2Accessory Occupancies, of the 2015 International Building Code governs.F.Dead End Corridors.The following provisions of NFPA #101, Life Safety Code, 2018 edition, are modified as indicated: Chapter 18, Section 18.2.5.2 is modified to require dead end corridors not to exceed 20 feet. Chapter 32, Section 32.3.2.5.4 is modified to require dead end corridors not to exceed 50 feet. Chapter 42, Table 42.2.5 is modified to require that a dead end corridor in an ordinary hazard storage occupancy protected by a sprinkler system not exceed 50 feet. A dead end corridor in an ordinary hazard storage occupancy not protected by a sprinkler shall not exceed 20 ft.G. Chapter 33.7.3.6 Add. Section 19.7 shall apply in such instances.H. Until the end of the State of Emergency declared by Governor Janet T. Mills on March 15, 2020 (due to COVID-19) and amended and extended by subsequent executive orders issued on or before January 1, 2022, whichever occurs first, NFPA #101, Section 3.3.282.9, is partially amended with the words "180 days" replaced with the words "364 days". During any other time period, NFPA #101, Section 3.3.282.9 is fully adopted without amendment.16-219 C.M.R. ch. 20, § 1