Ordinance 1880-92 - Laserfiche WebLink

I 1991 UNIFORM FIRE CODE APPENDIX I-A balcony railings shall support a horizontal force of not less than 50 pounds per lin- B eal foot of railing. Balconies shall not be less than 44 inches in width with no floor opening other B than the stairway opening greater than 5/8 inch in width.Stairway openings in such ( B balconies shall not be less than 22 inches by 44 inches. The balustrade of each balcony shall not be less than 36 inches high with not more than 9 inches between g balusters. Fire escapes shall extend to the roof or provide an approved gooseneck ladder B between the top floor landing and the roof when serving buildings four or more I stories in height having rooms with less than 4:12 slope. Fire escape ladders shall B be designed and connected to the building to withstand a horizontal force of 100 pounds per lineal foot; each rung shall support a concentrated load of B 500 pounds placed anywhere on the rung. All ladders shall be at least 15 inches I wide,located within 12 inches of the building and shall be placed flatwise relative B to the face of the building. Ladder rungs shall be 3/4 inch in diameter and shall be located 12 inches on center.Openings for roof access ladders through cornices and B similar projections shall have minimum dimensions of 30 inches by 33 inches. g The lowest balcony shall not be more than 18 feet from the ground.Fire escapes I shall extend to the ground or be provided with counterbalanced stairs reaching to B the ground. Fire escapes shall not take the place of stairways required by the codes under which the building was constructed. I Fire escapes shall be kept clear and unobstructed at all times and maintained in B good working order. I B (e) Exit and Fire Escape Signs. Exit signs shall be provided as required by the I Building Code. B EXCEPTION: The use of existing exit signs may be continued when approved by the chief. B All doors or windows providing access to a fire escape shall be provided with g fire escape signs. I 3. ENCLOSURE OF VERTICAL SHAFTS B Interior vertical shafts, including but not limited to stairways, elevator hoist- B ways, service and utility shafts, shall be enclosed by a minimum of one-hour I fire-resistive construction. All openings into such shafts shall be protected with B one-hour fire assemblies which shall be maintained self-closing or be automatic I closing by smoke detection. All other openings shall be fire protected in an ap- B proved manner. Existing fusible link-type automatic door closing devices may be I permitted if the fusible link rating does not exceed 135°F. EXCEPTIONS: 1. In other than Gpup I Occupancies,an enclosure will not be required for openings serving only one adjacent floor. B 2. Stairways need not be enclosed in a continuous vertical shaft if each story is g separated from other stories by one-hour fire-resistive construction or approved I wired glass set in steel frames.In addition,all exit corridors shall be sprinklered and the openings between the corridor and occupant space have at least one sprinkler B 453