§ 15.103  ROOF OPENINGS.
   (a)   All glass skylights on the roof of any building or premises used for business purposes and subject to the provisions hereof shall be provided with:
      (1)   Iron bars of at least one-half inch round or one inch by one-fourth inch flat steel material under the skylight and securely fastened; or
      (2)   A steel grill of at least one-eighth inch material of two inch mesh under the skylight and securely fastened.
   (b)   All hatchway openings on the roof of any building or premises used for business purposes and subject to the provisions hereof shall be secured as follows.
      (1)   If the hatchway is of wooden material, it shall be covered on the inside with at least 16 gauge sheet steel attached with screws.
      (2)   The hatchway shall be secured from the inside with a slide bar or slide bolts. The use of crossbar or padlock is unauthorized, unless approved by the Fire Marshal.
      (3)   Outside hinges on all hatchway openings shall be provided with nonremovable pins. Such hinge pins may be either welded, flanged or secured by a screw.
   (c)   All air duct or air vent openings exceeding eight inches by 12 inches on the roof of any building or premises used for business purposes and subject to the provisions hereof shall be secured by covering the same with either of the following:
      (1)   Iron bars of at least one-half inch round or one-inch by one-fourth inch flat steel material spaced no more than five inches apart and securely fastened;
      (2)   A steel grill of at least one-eighth inch material of two-inch mesh and securely fastened; or
      (3)   If the barrier is on the outside, it shall be secured with rounded head flush bolts on the outside.
(1958 Code, § 40.12)  (Ord. 67-71, passed 12-28-1967; Ord. 2002-1, passed 1-14-2002)