In all districts, off-street automobile parking spaces and truck loading areas for the various permitted uses shall be required at the time any of the main buildings or structures for such uses are constructed or altered as provided in this article.
The minimum cumulative number of spaces shall be determined by the amount of dwelling units, bedrooms, floor area, members, equipment, employees and/or seats contained in new buildings or structures or added by alteration of buildings or structures, and such minimum number of spaces shall be maintained by the owner of such buildings or structures as follows:
A. 
Office, business and commercial uses.
(1) 
For retail business or service: one space for each 200 square feet of customer floor area.
(2) 
For office, including professional, personal service, public utility or public: one space for each 200 square feet of gross office floor area.
(3) 
For car washing stations: five waiting spaces for each bay.
(4) 
For restaurant, bar or nightclub: one space for each 50 square feet of customer floor area or one space for each five seats or a combination thereof.
(5) 
For any commercial use: one space for each company vehicle in addition to other required spaces.
(6) 
For drive-in restaurants or eating establishments: 15 spaces plus those required for customer floor area or seats.
(7) 
For motel and vacation resort: one space for each bedroom plus one space for each four employees.
B. 
Industrial uses.
(1) 
One space for each 400 square feet of floor area devoted to manufacture, including printing, publishing and laundry or dry-cleaning plants, plus one space for each employee. If shiftwork is practiced, then the most populous shift employee number shall determine.
(2) 
One space for each 2,000 square feet of area devoted to outside storage, including used car lots and equipment rental or sales yards.
(3) 
For any industrial use: one space for each company vehicle in addition to other required spaces.
C. 
Public and semipublic uses.
(1) 
For places of public assembly (including churches): space for 80% of seating capacity.
(2) 
For elementary school or day nursery: two spaces for each classroom.
(3) 
For high school or college: one space for each employee.
(4) 
For museum, art gallery, institutional or philanthropic use: one space for each 800 square feet of gross floor area.
(5) 
For clinic, sanitarium, nursing or convalescent home: one space for each bed.
(6) 
For club: one space for each 200 square feet of gross floor area or one space for each three seats, whichever is greater.
D. 
Recreational uses.
(1) 
For dance hall: one space for each 50 square feet of dance floor area.
(2) 
For golf course or bowling alley: eight spaces for each tee or alley.
(3) 
For skating rinks: one space for each 250 square feet of area available for skating.
E. 
Residential uses.
(1) 
For dwellings: two spaces for each dwelling unit, to be provided on a buildable portion of the lot.
(2) 
For home occupation: one space for each employee.
(3) 
For boardinghouse: one space for each bedroom.
F. 
For uses not listed herein: as established by the Board of Appeals.
In the case of combination of uses, the total requirements for off-street automobile parking spaces shall be the sum of the requirements for the various uses, unless it can be proven that staggered hours of use would permit modification. Whenever a fraction of a space is required, a full space shall be provided.
Every such space provided shall be at least 10 feet wide and 20 feet long, and every space shall have direct and usable driveway access to a street or alley with minimum maneuver area between spaces as follows:[1]
A. 
Parallel curb parking: five feet end to end with twelve-foot aisle width for one-directional flow and twenty-four-foot aisle width for two-directional flow.
B. 
Thirty-degree parking: thirteen-foot aisle width for one-directional flow and twenty-six-foot aisle width for two-directional flow.
C. 
Forty-five-degree parking: sixteen-foot aisle width for one-directional flow and twenty-six-foot aisle width for two-directional flow.
D. 
Sixty-degree parking: twenty-one-foot aisle width for one-directional flow and twenty-six-foot aisle width for two-directional flow.
E. 
Perpendicular parking: twenty-six-foot aisle width for one-and two-directional flow.
[1]
Editor's Note: See Diagram of Curb Parking Spaces at Various Angles at the end of this chapter.
A. 
In commercial or industrial districts, such spaces shall be provided on the same lot or not more than 400 feet therefrom.
B. 
In nonresidential districts, no open or enclosed parking area shall encroach on any required front yard or required open areas. Open parking areas may encroach on a required side or rear yard to within 10 feet of a property line.
C. 
No entrance and exit drives connecting the parking area and the street shall be permitted within 150 feet of the intersection of two public rights-of-way.
A. 
Number of berths. The number of berths for off-street truck loading areas shall be as follows:
(1) 
For permitted general uses: one berth for 10,000 square feet to 25,000 square feet of floor area and one additional berth for each additional 25,000 square feet of floor area.
(2) 
For motels and vacation resorts: one berth for floor area in excess of 10,000 square feet.
(3) 
For office, business and commercial uses: one berth for 10,000 square feet to 25,000 square feet of floor area and one additional berth for each additional 25,000 square feet of floor area.
(4) 
For manufacturing and industrial uses: one berth for the first 10,000 square feet of floor area and one additional berth for each additional 40,000 square feet of floor area.
B. 
Dimensions for off-street loading berths. Each required loading berth, open or enclosed, shall have the following dimensions: 45 feet long, 12 feet wide and 14 feet high.
C. 
Locations of required berths. All off-street loading areas shall be located on the same lot as the use for which they are permitted or required. Open off-street loading areas shall not encroach on any required front or side yard, access way or off-street parking area, except that in commercial districts off-street parking areas where they exist may be used for loading and unloading, provided that such spaces shall not be used for more than three hours during the daily period that the establishment is open for business.
Parking areas shall be paved with an all-weather surface and suitably drained. The individual spaces shall be visibly marked with paint or other durable material. Parking areas to be used at night shall be lighted. All lights shall be shaded or so directed as to not cause glare on adjoining residential properties and shall be so directed as not to cause a traffic hazard due to glare or color.
At least 10% of the area of the lot usable for off-street parking shall be devoted to landscaping with lawn, trees, shrubs or other plant material. All loading berths and parking areas of three or more spaces that abut a residential lot line, and any parking lot for more than 20 cars shall be screened by a six-foot high solid masonry wall or compact evergreen hedge or a landscaped strip of trees and shrubs so designed as to form a visual screen from the adjoining property. All parking areas and landscaping shall be properly maintained thereafter in a sightly and well kept condition.