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DIVISION 3 – USE AND OCCUPANCY CLASSIFICATIONS
Subdivision 302 – Classification
13-56-010 Building classifications – Classes designated.
13-56-020 Class A, residential units.
13-56-030 Class A-1, single-family dwelling.
13-56-040 Class A-2, multiple dwellings.
13-56-050 Class B, institutional units.
13-56-060 Certain Class B institutional units.
13-56-070 Class C, assembly units.
13-56-080 Class C-1, large assembly units.
13-56-090 Class C-2, small assembly units.
13-56-100 Class C-3, schools.
13-56-110 Class D, open air assembly units.
13-56-120 Class E, business units.
13-56-121 [Technology center defined.]
13-56-130 Class F, mercantile units.
13-56-140 Class G, industrial units.
13-56-150 Class G-1, low-hazard industrial units.
13-56-160 Class G-2, moderate hazard industrial units.
13-56-170 Class H, storage units.
13-56-180 Class H-1, low-hazard storage units.
13-56-190 Class H-2, moderate hazard storage units.
13-56-200 Garages.
13-56-210 Class I, hazardous use units.
13-56-220 Class J, miscellaneous buildings and structures.
13-56-230 Mixed occupancy – Requirements.
13-56-240 Mixed occupancy – Defined.
13-56-250 Auxiliary uses.
13-56-260 Mixed occupancy – Applicable provisions.
13-56-270 Mixed occupancy – Height and area limitations.
13-56-280 Mixed occupancy – Fire-resistive separations required.
13-56-290 Separation from public spaces below grade.
13-56-300 Occupancy content determination.
13-56-310 Assembly units and open air assembly units – Occupancy content.
13-56-320 Other occupancies – Occupancy contents.
Every new or existing building or part thereof shall, for the purpose of this Code, be classified according to its use or occupancy in one of the following occupancy classes:
Class A, Residential Units.
Class A-1. Single-family dwellings.
Class A-2. Multiple dwellings.
Class B, Institutional units.
Class C, Assembly units.
Class C-1. Large assembly units.
Class C-2. Small assembly units.
Class C-3. Schools.
Class D, Open air assembly units.
Class E, Business units.
Class F, Mercantile units.
Class G, Industrial units.
Class G-1. Low hazard industrial units.
Class G-2. Moderate hazard industrial units.
Class H, Storage units.
Class H-1. Low hazard storage units.
Class H-2. Moderate hazard storage units.
Class H-3. Garages.
Class I, Hazardous use units.
Class J, Miscellaneous buildings and structures.
Each occupancy class shall include buildings or parts of buildings as hereinafter defined and those of similar character or use. Whenever there is any uncertainty as to the classification of the building, the building commissioner shall consult with the fire commissioner and they shall jointly fix the classification within which it falls according to the relative fire hazard involved.
(Prior code § 48-1; Amend Coun. J. 9-13-89, p. 4604; Amend Coun. J. 3-5-03, p. 104990, § 21; Amend Coun. J. 11-13-07, p. 14999, Art. II, § 1; Amend Coun. J. 5-18-16, p. 24131, § 33)
Buildings, or parts thereof, designed or used for one or more family units or designed or used for sleeping accommodations other than family units except institutional units as defined in Section 13-56-050, shall be classified as Class A, residential units.
(Prior code § 48-2)
A “one-family dwelling” is a building containing one dwelling unit only or one group home only or an intermediate care facility for the developmentally disabled – 15 or less only. A “family” consists of one or more persons each related to the other by blood (or adoption), together with such blood relations' respective spouses, who are living together in a single dwelling and maintaining a common household. A “family” includes any domestic servants and not more than one gratuitous guest residing with said “family”. A “family” also consists of the residents of a family home. An otherwise qualifying building does not lose its status as a Class A-1, single-family dwelling because a bed-and- breakfast establishment is operated in the building if (1) the bed-and-breakfast establishment has operated continuously in the building as of January 16, 2003; and (2) the operator of the bed-and-breakfast establishment files an application for a bed-and-breakfast establishment license no later than the effective date of this amendatory ordinance; provided, however, that a Class A-1, single-family dwelling containing a bed-and- breakfast establishment will lose its status as a Class A-1, single-family dwelling if the building or the bed- and-breakfast establishment is altered, expanded, enlarged or newly constructed after the effective date of this amendatory ordinance.
(Prior code § 48-2.1; Amend Coun. J. 12-21-84, p. 12140; Amended during Supplement No. 2, 4-91; Amend Coun. J. 9-4-03, p. 7118, § 4)
Residential units designed or used for two or more family units or designed or used for sleeping accommodations, other than family units, for more than ten persons shall be classified as Class A-2, multiple dwellings. Class A-2, multiple dwellings shall include, among others, the following:
Apartment buildings
Bed-and-breakfast establishments (regardless of capacity)
Boardinghouses
Clubs
Convents
Dormitories
Fraternities
Group homes
Hotels
Housing for elderly persons
Lodging houses
Monasteries
Motels
Roominghouses
Single-room occupancy buildings
Temporary overnight shelters (regardless of capacity)
Transitional shelters (regardless of capacity)
(Prior code § 48-2.2; Amend Coun. J. 12-22-83, p. 4214; Amend Coun. J. 10-15-87, p. 4811; Amend Coun. J. 4-12-91, p. 32345; Amend Coun. J. 9-4-03, p. 7118, § 5)
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