1994 023 Ordinance - Laserfiche WebLink

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CHAPTER 7 FIRE SAFETY REQIJIREMENTS SECTION PM-701.0 GEfdERAL PM-701.1 Scope: The provisions of this chapter shall govern the minimum conditions and standards for fire safety relating to structures and exterior premrses, including fire safety facilities and equipment to be provided. PM-701.2 Responsibility: The owner of the premises shall pro- vide and maintain such fire safety facilities and equipment in I compliance with these requirements. A person shall not occupy as oxmer-occ•upmtt or permit another person to occupy any pren:ises that do not comply with the requirements of this chapter. SECTION PhR-702.0 MEANS OF EGRESS PM-702.1 General: A safe, continuous and unobstructed means of egress shall be provided from the interior of a structure to a public way. PM-702.2 Exit capacity: The capaciry of the exits serving a floor shall be sufficient for the occupant load thereof as deter- mined bv the buildirrg c•nde listed in Chapter 8. PM-702.3 iVumber of exits: In nonresidential buildings, every occupied story more than six stories above grade shall be provided with noc less than two independent exits. In residential buildings, every s[ory exceeding two stories above grade shall be provided with not less than two independent exits. In stories where more than one.exit is reyuired, all ncc•uponts shall have access to at least two exits. Every occupied story which is both totally below grade and greater than 2,000 square feet shall be provided with not less than two independent exits. Exception: A single exit is acceptable under any one of the following conditions: l. Where the building is equipped throughout with an automatic sprinkler system and an automatic fire detec- tion system with smoke detectors located in all cor- ridors, lobbies and common areas. 2. Where the building is equipped throughout with an automatic fire detection system and the exit is an ap- proved smokeproof enclosure or pressurized stairway. 3. Where an existing fire escape conforming to the build- ing c•ode li;ted in Chapter 8 is provided in addition to the sinele exit. 4. Where permi[ted by the huilding cnde listed in Chapter 8. P11q-702.4 Arrangement: Exits from dwelling units, rooming units, guestrooms and dormitory units shall not lead through other such units, or through toilet rooms or bathrooms. PM-702.5 Exit signs: All means of egress shall be indicated with approved "Exit" signs where required by the building code listed in Chapter 8. All "Exit" signs shall be maintained visible and all illuminated "Exit" signs shall be illuminated at all times that the building is occupied. PM-702.6 Corridor enclosure: All comdors serving an oc- cupant load greater than 30 and the openings therein shall provide an effective barrier to resist the movement of smoke. All transoms, louvers, doors and other openings shall be closed or shall be self-closing. Exceptions 1. Corridors in occuponcies in other than Use Group H which are equipped throughout with an automatic sprinkler system. 2. Patient room doors in comdors in occupancies in Use Group I-2 where smoke barriers are provided in accord- ance with the fire prevention code listed in Chapter 8, are not required to be self-closing. 3. Corridors in occupancies in Use Group E where each room chac is occupied for instruction or assembly pur- poses has at least one-half of the required means of egress doors opening directly to the exterior of the building at ground level. 4. Corridors that are in compliance with the building code listed in Chapter 8. PM-702.7 Dead-end travel distance: All corridors that serve more than one exit shall provide direct connection to such exits. The length of a dead-end corridor shali not exceed 35 feet (10668 mm) where the building is not equipped throughout with an automatic sprinkler system. The dead-end a-avel distance limita- tion shall be increased to 70 feet (21336 mm) where the building is equipped throughout with an automatic sprinkler system. PM-702.8 Aisles: Arrangements of chairs or tables and chairs shall provide for ready access by aisle accessways and aisles to each egress door. The minimum clear width of each aisle in occupancies in Use Groups A, E and I-2 shall be maintained in accordance with the requirements of the building code listed in Chapter 8. In all other occupancies, aisles shall have a minimum required clear width of 44 inches (1118 mm) where serving an occupant load greater than 50, and 36 inches (914 mm) where 19