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All buildings, including single-family dwellings hereafter erected, shall be provided with at least two means of egress from the building, as far from each other as the plan of the building will permit, or by a doorway in a fire wall leading to another floor area which is provided with adequate stairs or other independent means of exit. No part of a floor shall be more than 100 feet from an exit.
('72 Code, § 151.039) Penalty, see § 10.99
(A) Monolithic concrete walls having less than .02 of 1% of reinforcing steel shall be considered as plain concrete and the thickness of single bearing walls of plain concrete shall be in accordance with the recommendations in the report of the American Standard Building Code Requirements for Masonry, 1952 edition.
(B) Subject to the requirements in other parts of this chapter, reinforced concrete bearing walls shall have a thickness of not less than six inches for the top story with the thickness of succeeding lower stories including basement, increasing at the rate of one inch for each two stories.
(C) In such walls the amount of reinforcement shall be at least .02 of 1% in each direction, horizontal and vertical, the steel being equally distributed on each face of the wall within a maximum bar spacing of 24 inches.
(D) The combined thickness of the separate parts of double or triple monolithic walls shall be not less than that required for single walls, and no single section of a double or triple wall shall be less than four inches thick. The sections shall be tied together with 3/8 inch round or square galvanized or tar-coated rods, with two-inch hooks at each end, the rods to be spaced not more than 18 inches horizontally and vertically.
(E) Exterior panel walls supported at each story of skeleton construction buildings shall not be less than five inches thick of reinforced concrete.
('72 Code, § 151.031) Penalty, see § 10.99
(A) Portland cement mortar used in laying up masonry shall be mixed in the proportion of one part of portland cement to not more than three parts of sand by volume.
(B) Hydrated lime or lime putty may be added not to exceed 15% by volume of the portland cement used.
(C) Cement-lime mortar shall be mixed in the proportion of one part of hydrated lime or lime putty to not more than six parts of sand by volume.
(D) Lime mortar shall be mixed in the proportion of one part of portland cement added to the amount of 15% of the volume of the lime.
('72 Code, § 151.027) Penalty, see § 10.99
Openings in party or fire walls shall be provided with self-closing fire doors or with positive means of closing the openings to prevent the passage of fire. Doors in fireproof stair and elevator shaft enclosures and coverings for hatchways in floors of all buildings shall be self-closing.
('72 Code, § 151.036) Penalty, see § 10.99
Proportioning of the various load carrying parts of buildings and structures shall be governed by working stresses conforming to good engineering practice as set forth in the 1955 edition of the Building Code Recommendation by the National Board of Fire Underwriters except in cases where the recommendations are in conflict with the specific requirements of this chapter.
('72 Code, § 151.026) Penalty, see § 10.99
No private garage shall exceed 14 feet in total height, and no garage shall be constructed within 20 feet of the front lot line.
('72 Code, § 151.034) Penalty, see § 10.99
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