An attached private garage shall mean a private garage attached directly to the principal building, or attached by means of an enclosed or open breezeway, porch, terrace or vestibule, or a private garage so constructed as to form an integral part of the principal building.
A detached private garage shall mean a private garage entirely separated from the principal building.
Accessory buildings shall conform to all requirements of this chapter.
Locations. Detached garages shall be governed by the following unless otherwise provided for in appropriate zoning codes.
Garages of wood frame construction shall be located not less than 10 feet from any residence building, except that such distance may be reduced to not less than five feet when the adjacent wall is protected as required for attached garages.
Garages of masonry wall construction shall not be located less than five feet from any residence building.
Area. All private detached garages shall be governed by such setback and green space ratios as otherwise provided by Chapter 745, Zoning.
Foundations and footings. Attached privates garages shall be provided with the same type footings and foundations as required herein for the principal building. Concrete floors shall be not less than four inches in thickness. Detached private garages may be built with a continuous floating slab of reinforced concrete not less than four inches in thickness. Reinforcement shall be a minimum of six inches by six inches, number 10 by 10 wire mesh. The slab shall be provided with a thickened edge all around, eight inches wide and eight inches below the top of the slab. Exterior wall curbs shall be provided not less than four inches above the finished ground grade adjacent to the garage. Bolts 3/8 inch in diameter with nuts and washers attached, six inches long, shall be embedded three inches in the concrete curb of detached garages, eight feet on centers.
Floor surface. The floor in all private garages shall be of concrete construction and sloped toward the exterior garage door or opening. No openings or pits in the floor shall be permitted, except for drainage.
Construction. Private garages shall be constructed as follows:
Load-bearing foundations, walls and partitions shall be constructed as herein regulated except as stated above.
Detached private garages of wood frame construction shall be constructed with the following requirements:
Studs may have a maximum spacing of 24 inches on centers.
Diagonal corner bracing may be applied on the inside surface of studs.
Corner posts may consist of two two-inch-by-four-inch studs or a single four-inch-by-four-inch stud.
Horizontal bracing and collar beams may be two-inch-by-six-inch with a maximum spacing of four feet on centers.
Attached private garages. Private garages may be attached to or made part of residence buildings when in compliance with the following regulations:
Separation from dwelling areas. Attached garages shall be separated from the dwelling unit by at least:
An attached private garage may have a door connecting directly into the principal building, provided that the floor of such garage is at least eight inches below the floor of such principal building. Such door shall be a metal or solid wood door not less than 1 3/4 inches in thickness. A maximum 100 square inches of one-quarter-inch stationary wire glass window may be permitted in such door.
Garage heating. All open flame equipment shall be effectively separated by not less than one-hour fire-resistive wall, floor or ceiling; however, suspended furnaces or direct-fired units that are fired with a liquid fuel or gas may be used without an enclosure, provided that they are located at least seven feet above the floor and at least six inches from any combustible wall or ceiling. All units shall be supported by noncombustible brackets or hangers.