A. General:
1. Scope: The provisions of this chapter govern the minimum conditions and standards for fire safety relating to structures and exterior premises, including fire safety facilities and equipment to be provided.
2. Responsibility: The owner of the premises shall provide and maintain fire safety facilities and equipment in compliance with these requirements. A person shall not occupy as owner- occupant or permit another person to occupy any premises that does not comply with the requirements of this chapter.
B. Means Of Egress:
1. General: A safe, continuous and unobstructed means of egress shall be provided from the interior of a structure to a public way.
2. Exit Capacity: The capacity of the exits serving a floor shall be sufficient for the occupant load thereof as determined by the building code listed in subsection 6-3-1A4 of this chapter.
3. Number Of Exits:
a. Requirements: In nonresidential buildings, every occupied story more than six (6) stories above grade shall be provided with not less than two (2) independent exits. In residential buildings, every story exceeding two (2) stories above grade shall be provided with not less than two (2) independent exits. In stories where more than one exit is required, all occupants shall have access to at least two (2) exits. Every occupied story which is both totally below grade and greater than two thousand (2,000) square feet shall be provided with not less than two (2) independent exits.
b. Exception: A single exit is acceptable under any one of the following conditions:
(1) Where the building is equipped throughout with an automatic sprinkler system and an automatic fire detection system with smoke detectors located in all corridors, lobbies and common areas.
(2) Where the building is equipped throughout with an automatic fire detection system and the exit is an approved smokeproof enclosure or pressurized stairway.
(3) Where an existing fire escape conforming to the building code listed in subsection 6-3-1A4 of this chapter is provided in addition to the single exit.
(4) Where permitted by the building code identified in subsection 6-3-1A4 of this chapter.
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.
5. Exit Signs: All means of egress shall be indicated with approved "Exit" signs where required by the building code listed in subsection 6-3-1A4 of this chapter. All "Exit" signs shall be illuminated at all times that the building is occupied.
6. Corridor Enclosure:
a. Requirements: All corridors serving an occupant load greater than thirty (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.
b. Exceptions: The provisions of subsection B6a of this section do not apply to the following:
(1) Corridors in occupancies in other than use group H which are equipped throughout with an automatic sprinkler system;
(2) Patient room doors in corridors in occupancies in Use Group I-2 where smoke barriers are provided in accordance with the fire prevention code listed in subsection 6-3-1A4 of this Chapter;
(3) Corridors in occupancies in Use Group E where each room that is occupied for instruction or assembly purposes has at least one-half (1/2) 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 subsection 6-3-1A4 of this Chapter.
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 shall not exceed thirty five feet (35') (21,336 mm) where the building is equipped throughout with an automatic sprinkler system.
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 subsection 6-3-1A4 of this Chapter. In all other occupancies, aisles shall have a minimum required clear width of forty four inches (44") (1,118 mm) where serving an occupant load greater than fifty (50), and thirty six inches (36") (914 mm) where serving an occupant load of fifty (50) chairs or less. The clear width of aisles shall not be obstructed by chairs, tables or other objects.
9. Stairways, Handrails And Guards: Every exterior and interior flight of stairs having more than four (4) risers, and every portion of a stair, landing or balcony which is more than thirty inches (30") (762 mm) above the floor or grade below shall have guards. Handrails shall not be less than thirty inches (30") (762 mm) nor more than forty two inches (42") (1,067 mm) high, measured vertically above the nosing of the tread or above the finished floor of the landing or walking surfaces. Guards shall not be less than thirty inches (30") (762 mm) high above the floor of the landing or balcony.
10. Information Signs: A sign shall be provided at each floor landing in all interior stairways more than three (3) stories above grade, designating the floor level above the floor discharge. All elevator lobby call stations on all floor levels shall be marked with approved signs in accordance with the requirements for new buildings in the building code listed in subsection 6-3-1A4 of this Chapter.
11. Locked Doors:
a. Requirements: All means of egress doors shall be readily openable from the side from which egress is to be made without the need for keys, special knowledge or effort, except as provided herein.
b. Locks Permitted: Locks or fasteners shall not be installed on egress doors except in accordance with the following conditions:
(1) In mental, penal or other institutions where the security of inmates is necessary, in which case properly trained supervisory personnel shall be continuously on duty and approved provisions are made to remove occupants safely in case of fire or other emergency;
(2) In problem security areas, special-purpose door alarms or locking devices shall be approved prior to installation. Manually operated edge or surface-molded flush bolts are prohibited;
(3) Where the door hardware conforms to that permitted by the building code listed in subsection 6-3-1A4 of this Chapter.
12. Emergency Escape:
a. Requirements: Every sleeping room located in a basement in an occupancy in Use Group I-1 or R shall have at least one openable window or exterior door approved for emergency egress or rescue; or shall have access to not less than two (2) approved independent exits.
b. Exception: Buildings equipped throughout with an automatic fire suppression system shall not be subject to the provisions of subsection B12a of this Section.
C. Accumulations And Storage:
1. Accumulations: Rubbish, garbage or other materials shall not be stored or allowed to accumulate in stairways, passageways, doors, windows, fire escapes or other means of egress.
2. Hazardous Material: Combustible, flammable, explosive or other hazardous materials, such as paints, volatile oils and cleaning fluids, or combustible rubbish, such as wastepaper, boxes and rags, shall not be accumulated or stored unless such storage complies with the applicable requirements of the building code and the fire prevention code listed in subsection 6-3-1A4 of this Chapter.
D. Fire Resistance Ratings:
1. General: The fire resistance rating of floors, walls, ceilings, and other elements and components shall be maintained.
2. Maintenance: All required fire doors and smoke barriers shall be maintained in good working order, including all hardware necessary for the proper operation thereof. Fire doors shall not be held open by doorstops, wedges and other unapproved hold-open devices.
E. Fire Protection Systems:
1. General: All systems, devices and equipment to detect a fire, actuate an alarm, or suppress or control a fire, or any combination thereof shall be properly maintained.
2. Fire Suppression System: Fire suppression systems shall be in proper operating condition at all times.
a. Valves: Control valves shall be in the fully open position.
b. Sprinklers: Sprinklers shall be clean and free of corrosion, paint and damage. Stock shall be at least eighteen inches (18") (457 mm) below sprinkler deflectors.
c. Piping: Piping shall be properly supported and shall not support any other loads.
3. Standpipe Systems: Standpipe systems shall be in proper operation condition at all times.
a. Valves: Water supply control valves shall be in the fully open position.
b. Hose Connections: Hose connections shall be identified and have ready access thereto.
c. Hose: Where provided, the hose shall be properly packed, dry and free from deterioration.
4. Fire Extinguishers: All portable fire extinguishers shall be visible, provided with ready access thereto, and maintained in an efficient and safe operating condition. Extinguishers shall be of an approved type.
5. Smoke Detectors: A minimum of one approved single-station or multiple-station smoke detector shall be installed in each guestroom, suite or sleeping area in occupancies in Use Groups R-1 and I-1, and in dwelling units in the immediate vicinity of the bedrooms in occupancies in Use Groups R-2 and R-3. In all residential occupancies, smoke detectors shall be required on every story of the dwelling unit, including basements. In dwelling units with split levels and without an intervening door between the adjacent levels, a smoke detector installed on the upper level shall suffice for the adjacent lower level provided that the lower level is less than one full story below the upper level.
a. Installation: All smoke detectors shall be installed in accordance with the building code listed in subsection 6-3-1A4 of this Chapter. When actuated, the smoke detectors shall provide an alarm suitable to warn the occupants within the individual room or dwelling unit.
b. Power Source: The power source for smoke detectors shall be either an AC primary source or a monitorized battery primary power source.
c. Tampering: Anyone tampering or interfering with the effectiveness of a smoke detector shall be in violation of this Chapter.
6. Fire Protective Signaling Systems: Fire protective signaling systems shall be in proper operation condition at all times.
a. Control Panel: The "power on" indicator shall be lit. Alarm or trouble indicators shall not be illuminated.
b. Manual Fire Alarm Boxes: All manual fire alarm boxes shall be operational and unobstructed.
c. Automatic Fire Detectors: All automatic fire detectors shall be operational and free from any obstructions that prevent proper operation, including smoke entry.
7. Records: A complete written record of all tests and inspections of fire protection systems shall be maintained on the premises by the owner or occupant in charge of said premises.
F. Elevator Recall:
1. Required: All elevators having a travel distance of twenty five feet (25') (7,620 mm) or more above or below the primary level of elevator access for emergency firefighting or rescue personnel shall conform to the requirements set forth in subsection 6-3-1A4 of this Chapter.
2. Smoke And Heat Detection: Approved smoke or heat detectors shall be installed in return air ducts or plenums in each recirculating air system with a capacity of more than two thousand (2,000) cfm and serving more than one floor in buildings that exceed six (6) stories in height in accordance with the mechanical code listed in subsection 6-3-1A4 of this Chapter. Actuation of the detector shall stop the fan(s) automatically and shall be of the manual-reset type. Automatic fan shutdown is not required where the system is part of an approved smoke control system. (Ord. 1668, 4-6-1998)