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Any grain elevator building or ice house may be constructed of wood if the exterior walls and roof are covered by an envelope of incombustible material and if the first story walls of grain elevators are built of masonry not less than 20 inches thick or reinforced concrete not less than 12 inches thick. The structure above the first story shall be anchored to such wall with 3/4 inch bolts embedded not less than two feet in the masonry or concrete and spaced not more than two feet in the masonry or concrete and spaced not more than six feet apart. Each corner of the structure shall be further reinforced with iron rods not less than one inch thick in diameter extending from above the roof plate to and into the first story wall to a depth of not less than 60 inches. The roof plates shall be fastened down with nuts and washers. All window frames and sashes in the super structure shall be of metal. The openings shall be protected by wire grating of number 14 gauge, with meshes not exceeding 1/2 inch. The openings in the body of the building and in the engine house shall have suitable metal shutters.
('72 Code, § 151.024) Penalty, see § 10.99
Any building or structure intended to be used wholly or in part as a theater, auditorium, a public garage or school shall be constructed according to specifications for fireproof construction hereinafter set forth. Any building intended to be used as a hospital and which is more than one story in height shall be of fireproof construction; and any building to be used for the storage of explosives or flammable liquids or for storing nitrocellulose, or for dry cleaning establishment, foundry or coffee roaster shall be fireproof construction.
('72 Code, § 151.021) Penalty, see § 10.99
(A) Masonry is that form of construction in which non-combustible masonry units such as stone, brick, concrete block, or tile, hollow clay tile, gypsum block, or other similar building units or materials or a combination of these materials, are laid up unit by unit and set in mortar. The minimum permissible thickness of walls and partitions of masonry, and the quality of those materials shall conform to the American Standard Testing Materials Requirements for Masonry, Bulletin No. 3-145, 1940 edition, and Bulletins C-90 and C-129 of 1952 edition, published by the National Bureau of Standards of the United States Department of Commerce.
(B) Masonry bearing walls, party walls, fire walls, fire division walls, exterior panel walls, inclosure walls or curtain walls, eight inches or less in thickness must be laid in portland cement or cement-lime mortar as defined in this chapter.
('72 Code, § 151.030) Penalty, see § 10.99
(A) Portland cement shall conform to the standard specifications and tests for portland cement adopted by the American Society for Testing Materials, published in pamphlet form as C150-52.
(B) Steel used as reinforcement for concrete shall conform to the standard specifications and tests for portland cement adopted by the American Standards Society for Testing Materials, “Standards on Cement,” 1952 edition.
('72 Code, § 151.028) Penalty, see § 10.99
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
The stair and elevator shafts of all buildings except private dwellings, hereafter erected more than two stories high, shall be enclosed continuously by incombustible material, consisting of reinforced gunite not less than 2½ inches thick, or of solid portland cement plaster not less than 2½ inches thick on metal lath and metal frame or of reinforced concrete not less than three inches thick, or of any fireproof material or construction that will pass the standard fire test of the Underwriter's Laboratories of a period of at least two hours. The thickness must in all cases be sufficient to give rigidity.
('72 Code, § 151.038) Penalty, see § 10.99
Each bedroom shall have a window area of not less than 1/10 of the floor area.
('72 Code, § 151.033) Penalty, see § 10.99
(A) No building hereafter erected or altered outside the fire limits shall exceed 2½ stories or 30 feet in height.
(B) No wooden frame building hereafter erected for any occupancy other than grain elevators, coal elevators and pockets and ice houses, shall cover a ground area exceeding the following:
(1) One story buildings - 7,500 square feet.
(2) Two story buildings or 2½ story buildings - 5,000 square feet.
(C) In no case shall a wooden frame building be erected within five feet of the side or rear lot line, nor within ten feet of any other building unless the space between the studs on each side shall be filled solidly with no less than 3½ inches of masonry or plain concrete or other equivalent incombustible material.
(D) Buildings with wooden framework clad with sheet metal, covered with stucco and veneered with brick, shall be classified as wood frame buildings.
('72 Code, § 151.023) Penalty, see § 10.99
BUILDING OPERATIONS
The use of streets for the storage of materials in the process of construction or alteration of a building or structure may be granted where the same will not unduly interfere with traffic and will not reduce the usable width of the roadway to less than 18 feet, no portion of the street other than that directly abutting on the premises on which work is being done shall be used excepting with the consent of the owner or occupant of the premises abutting on such portion. Any person seeking to make such use of the street shall file an application for a permit therefor with the clerk, together with a bond with sureties to be approved by the Clerk to indemnify the city for any loss or damage which may be incurred by such occupation.
('72 Code, § 151.045)
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