06-14-2006 Council Agenda - Laserfiche WebLink

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Page 18 of 2^ 1. Corridors in occupancies, other than high- hazard occupancies, which are equipped throughout with an automatic sprinkler system. 2. Patient room doors in corridors in health care occupancies where smoke barriers are provided in . accordance with the fire prevention code, are not required to be self - closing. 3. Corridors in educational occupancies 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. (G) 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 twenty feet (20'). Exception: Dead ends that are in compliance with the building code. (H) 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 assembly, educational and health care occupancies shall be maintained in accordance with the requirements of the building code. In all other occupancies, aisles shall have a minimum required clear width of forty four inches (44 ") where serving an occupant load greater than fifty (50), and thirty six inches (36 ") where serving an occupant load of fifty (50) or less. The clear width of aisles shall not be obstructed by chairs, tables or other objects. (I) Stairways, Handrails And Guards: Every exterior and interior flight of means of egress stairs serving any building or portion thereof and having more than one riser shall have a handrail on at least one side of the stair. Every open portion of a stair, landing, balcony, porch, deck, ramp or other walking surface which is more than thirty inches (30 ") above the floor or grade below shall have guards. Handrails shall not be less than thirty four inches (34 ") nor more than thirty eighty inches (38 ") high, measured vertically above the nosing of the tread or above the finished floor of the landing or walk` surface. Guards shall not be Tess than forty two inches (42 ") high above the floor of the landing, balcony, porch, deck, ramp or other walking surface. Exception: Guards are not required at any location where guards are exempted by the building code. (J) Stairway Identification: 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 of discharge. All elevator lobby call stations on all floor levels shall be identified by approved signs in accordance with the requirements for new buildings in the building code. Exception: The emergency sign shall not be required for elevators that are part of an accessible means of >gress complying with the building code. (K) Locked Doors: 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 for in subsection (K)1 of this Section. 1. Locks Permitted: Locks or fasteners shall not be installed on egress doors except in accordance with the following conditions: a. 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. b. In problem security areas, special - purpose door alarms or locking devices shall be approved r -. r to installation. Manually operated edge or surface- molded flush bolts are prohibited. c. Where the door hardware conforms to that permitted by the building code. (L) Emergency Escape: Every sleeping room located below the fourth story in residential and group home 18 http: //66.113 .195.234 /MN /Burnsville /docbar.htm 6/9/2006