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See Chapter 1A of this Code and Chapter 6 of the Building Code, which defines current types of building construction.
Wood frame buildings three stories or more in height, constructed, altered or converted for use as an apartment house or hotel after September 1, 1947 shall be constructed of materials providing the entire building with a fire-resistive rating of one hour, as defined by the Building Code in effect at time of construction.
Wood frame buildings constructed, altered or converted for use as an apartment house or hotel prior to September 1, 1947 need not be constructed of fire-resistive materials except for the public exit corridors, the soffits of stair and landings, and any new construction added since September 1, 1947, except that in buildings not over two stories in height public exit corridors and stairways may be of unrated materials if each apartment or guest room has direct access to a way of departure from within the unit or room without entering a common corridor. An approved automatic sprinkler system may be substituted for required fire-resistive construction for exit corridors of buildings altered or converted prior to July 26, 1958.
Public exit corridor for this purpose is defined as those corridors which serve more than one apartment or guest room and which are not connected with any other exit corridor or stairway.
Interior wood construction of Type III (III-A and III-B) and IV buildings shall conform to the same fire-resistive requirements as for Type V (V-A and V-B) buildings. Type III (III-A and III-B) buildings five or more stories in height shall be of fire-resistive construction if constructed, altered or converted for use as an apartment house or hotel after August 17, 1923.
All wood shall be protected against termite damage and decay as provided in the Building Code.
(Added by Ord. 399-89, App. 11/6/89; amended by Ord. 161-92, App. 6/4/92; Ord. 350-95, App. 11/3/95; Ord. 256-07, App. 11/6/2007)
The space between the bottom of floor joists and the ground of any building (except space that is occupied by a basement or cellar) shall be provided with a sufficient number of ventilating openings through foundation walls or exterior walls to ensue ample ventilation. The minimum total area of ventilating opening shall be proportioned on the basis of 1½ square feet for each 50 linear feet, or major faction thereof, of exterior wall, so located as to provide adequate cross-ventilation.
The air space shall be kept clean and free from any accumulation of rubbish, debris or filth.
(Added by Ord. 399-89, App. 11/6/89; amended by Ord. 161-92, App. 6/4/92; Ord. 256-07, App. 11/6/2007)
(a) No automobile or other motor vehicle shall occupy any portion of an apartment house or hotel except in a garage which meets the requirements of the Building Code and other provisions of the Municipal Code.
(b) Use. Private and public storage garages shall be used only for storage of automobiles.
EXCEPTION:
In buildings defined as a dwelling or apartment house in this Code, or buildings defined as a residential hotel in the Residential Hotel Unit Conversion and Demolition Ordinance ( of the San Francisco Administrative Code), garages may also be used for the storage of bicycles, scooters, and other personal items of the tenants, provided that this storage satisfies the automatic sprinkler system requirements set forth in Section 904 of this Code.
In buildings defined as a dwelling or apartment house in this Code, or buildings defined as a residential hotel in the Residential Hotel Unit Conversion and Demolition Ordinance ( of the San Francisco Administrative Code), garages may also be used for the storage of bicycles, scooters, and other personal items of the tenants, provided that this storage satisfies the automatic sprinkler system requirements set forth in Section 904 of this Code.
(c) Separation. See Section 406.1 of the Building Code. When approved, existing separations in existing buildings may be acceptable.
(Added by Ord. 399-89, App. 11/6/89; amended by Ord. 161-92, App. 6/4/92; Ord. 350-95, App. 11/3/95; Ord. 256-07, App. 11/6/2007; Ord. 160-14, File No. 140009, App. 7/31/2014, Eff. 8/30/2014)
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