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In buildings that are protected by an automatic sprinkler system in accordance with Section 9.7, lodging or rooming houses shall be permitted to have their sole means of egress pass through a nonresidential occupancy in the same building, provided that both of the following criteria are met:
In buildings that are not protected by an automatic sprinkler system in accordance with Section 9.7, lodging or rooming houses shall be permitted to have their sole means of egress pass through a nonresidential occupancy in the same building, provided that all of the following criteria are met:
- The sole means of egress from the lodging or rooming house to the exterior shall be separated from the remainder of the building by fire barriers having a minimum 1-hour fire resistance rating.
- The lodging or rooming house shall comply with Chapter 26.
- The sole means of egress from the lodging or rooming house shall not pass through a high hazard contents area, as defined in 220.127.116.11.
Lodging or rooming houses shall be permitted to be located above a nonresidential occupancy only where one of the following conditions exists:
- Where the lodging or rooming house and exits therefrom are separated from the nonresidential occupancy by construction having a minimum 1-hour fire resistance rating
- Where the nonresidential occupancy is protected throughout by an approved, supervised automatic sprinkler system in accordance with Section 9.7
- Where the lodging or rooming house is located above a nonresidential occupancy, and the nonresidential occupancy is protected by an automatic fire detection system in accordance with Section 9.6
Special terms applicable to this chapter are defined in Chapter 3. Where necessary, other terms are defined in the text.
In addition to the primary route, each sleeping room and living area shall have a second means of escape in accordance with 24.2.2, unless the sleeping room or living area has a door leading directly outside the building with access to the finished ground level or to a stairway that meets the requirements for exterior stairs in 18.104.22.168.2.
In other than existing buildings and those protected throughout by an approved, supervised automatic sprinkler system in accordance with 26.3.6, every story more than 2000 ft2 (185 m2) in area, or with travel distance to the primary means of escape more than 75 ft (23 m), shall be provided with two primary means of escape remotely located from each other.
Interior stairways, other than those in accordance with 22.214.171.124 or 126.96.36.199, shall comply with 188.8.131.52.3 and shall be enclosed by fire barriers having a minimum 1/2-hour fire resistance rating, with all openings protected with smoke-actuated automatic-closing or self-closing doors having a fire resistance comparable to that required for the enclosure.
Every closet door latch shall be such that it can be readily opened from the inside in case of emergency.
Every bathroom door shall be designed to allow opening from the outside during an emergency when locked.
Where new bathtubs, bathtub-shower combinations, or showers are present, grab bars shall be provided in accordance with the provisions of 24.2.8.
The vertical opening shall be considered protected if the opening is cut off and enclosed in a manner that provides a smoke- and fire-resisting capability of not less than 1/2 hour.
In buildings three or fewer stories in height that are protected throughout by an approved automatic sprinkler system in accordance with 26.3.6, unprotected vertical openings shall be permitted, provided that a primary means of escape from each sleeping area is provided that does not pass through a portion of a lower floor, unless such portion is separated from all spaces on that floor by construction having a minimum 1/2-hour fire resistance rating.
Stair enclosures shall not be required in buildings two or fewer stories in height where both of the following conditions exist:
Alcohol-based hand-rub dispensers in accordance with 184.108.40.206 shall be permitted.
A fire alarm system in accordance with Section 9.6 shall not be required in existing lodging and rooming houses that have an existing smoke detection system meeting or exceeding the requirements of 220.127.116.11.1 where that detection system includes not less than one manual fire alarm box per floor arranged to initiate the smoke detection alarm.
Visible signals for the hearing impaired shall not be required where the proprietor resides in the building and there are five or fewer rooms for rent.
Carbon monoxide alarms or carbon monoxide detectors in accordance with Section 9.12 and 18.104.22.168 shall be provided in new lodging or rooming houses where either of the following conditions exists:
Where required by 22.214.171.124.1, carbon monoxide alarms or carbon monoxide detectors shall be installed in the following locations:
Carbon monoxide alarms and carbon monoxide detectors as specified in 126.96.36.199.1(1) shall not be required in the following locations:
Air passages shall not penetrate corridor walls, unless they are properly installed heating and utility installations other than transfer grilles.
Systems in accordance with NFPA 13D shall be permitted where all of the following requirements are met:
In buildings sprinklered in accordance with NFPA 13 closets that contain equipment such as washers, dryers, furnaces, or water heaters shall be sprinklered, regardless of size.
Heating, ventilating, and air-conditioning equipment shall comply with the provisions of Section 9.2.
Unvented fuel-fired heaters, other than gas space heaters in compliance with NFPA 54 shall not be used.
Elevators, escalators, and conveyors shall comply with the provisions of Section 9.4.
Furnishings or decorations of an explosive or highly flammable character shall not be used.
Fire-retardant coatings shall be maintained to retain the effectiveness of the treatment under service conditions encountered in actual use.