TN Code § 68-101-103 (2021)
2021 Tennessee Code|Title 68 - Health, Safety and Environmental Protection|Chapter 101 - Miscellaneous Safety and Environmental Regulations|§ 68-101-103. Parking Garages and Bus Terminals

  It is lawful to construct and maintain a public storage garage for automobiles and other motor vehicles as part of any building used or occupied for habitational purposes, including the basement or cellar thereof; provided, that there is compliance with the following requirements, that:  All parts of such buildings used or occupied for habitational purposes adjacent to the portion of such building constructed, maintained or used as a public storage garage, and for a height of three (3) stories above the same, are fireproof in construction;   The portion of such building constructed, maintained or used as a public storage garage be separated from the remainder of such building by a fireproof wall, partitions and/or floors;   Any opening in walls forming such separation be protected by approved fusible-link fireproof doors and all outside openings be of approved automatic-closing fusible-link fireproof shutters;   The walls, ceilings and floors in such portion of such building constructed, maintained or used as a public storage garage be fireproof in construction;   The portion of such building constructed, maintained or used as a public storage garage be equipped and maintained with an approved automatic sprinkler system with an approved automatic reverse sprinkler installation which would permit sprays to play against the ceiling of that portion of such building constructed, maintained or used as a public storage garage, such sprinkler system to be directly connected with a private water supply system having a storage capacity of at least five thousand (5,000) gallons, and to be cross connected with the city water supply system, the valves controlling such connection to be outside of such portion of the building constructed, maintained or used as a public storage garage, and such sprinkler system to be further directly connected from the outside of that portion of the building constructed, maintained or used as a public storage garage either on street or alley sides, with standard fire hose connections as used in the city where such building is located so that the sprinkler system can be directly connected with the fire engine pumps;   All openings in such portion of such building constructed, maintained or used as a public storage garage be equipped with slotted openings connected with the sprinkler system which would permit a curtain of water to play on the inside of such openings in case of fire;   The entrance for automobiles into such portion of such building constructed, maintained or used as a public storage garage be from the outside either from the street or a public alley and not through the remainder of such building, and that the entrance doors be of approved fireproof construction; and   Such portion of such building constructed, maintained or used as a public storage garage shall be used only for the storage of automobiles and other motor vehicles and for the washing thereof, but shall not be used to operate or maintain a motor vehicle repair shop, to vulcanize tires or to store or dispense gasoline or oil or other volatile and inflammable fluid.     It is lawful to construct and maintain a terminal station for automobile buses engaged in the transportation of passengers as part of any building used or occupied for habitational purposes; provided, that where such terminal station for automobile buses is used solely for the ingress and egress of automobile buses for unloading and loading of passengers and is not used for the storage of such buses, this section shall not apply to the construction and maintenance of such terminal station for such automobile buses.   Nothing in this section shall abrogate, limit, abridge or restrict or be construed to abrogate, limit, abridge or restrict the powers, duties, and rights conferred by statutes on the cities, towns and taxing districts of the state, or inherent in municipalities under the common law and the police power.