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Stall, aisle and driveway design

Section 11-6-2 of the Nowthen City Code covers stall, aisle and driveway design. It is part of Chapter 11, Zoning ordinance.

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A. Parking Stall Size: Except for disability accessible parking stalls, each parking stall shall not be less than nine (9) feet wide and twenty (20) feet in length (exclusive of access aisles) and each stall shall be served adequately by access aisles. B. Street Access: 1\. All off-street parking facilities shall be designed and constructed with appropriate means of vehicular access to a public street. 2\. Each lot shall have access directly onto an abutting, improved public street. C. Lot Circulation: Except in the case of single family dwellings, parking areas shall be designed so that circulation between parking bays or aisles occurs within the designated parking lot and does not depend upon a public street and which does not require backing into the public street. D. Intersection Separation: No curb cut access shall be located less than sixty (60) feet from the intersection of two (2) or more street rights-of-way. This distance shall be measured from the intersection of lot lines. E. Lot Design: Except in the case of single-family dwellings, parking areas and their aisles shall be developed in compliance with the standards on the following Parking Lot Dimension Table:

PARKING LOT DIMENSIONS TABLE
Angle of Parking (degree)Stall WidthCurb Length Per CarStall DepthAisle WidthAngle of Parking (degree)Stall WidthCurb Length Per CarStall DepthAisle Width
09'0"23'0"9'0"12'0"509'0"11'9"20'5"12'0"
209'0"26'4"15'0"11'0"609'0"10'5"21'0"18'0"
309'0"18'0"17'4"11'0"709'0"9'8"21'0"19'0"
409'0"14'0"19'2"12'0"809'0"9'2"20'4"24'0"
459'0"12'9"19'10"13'0"909'0"9'0"20'0"22'0"

Note: This table pertains to a wall-to-wall situation. In calculating dimensions, two (2) feet may be subtracted from each stall depth for each overhang and overlap. No subtraction for overlap is allowed for angles greater than sixty (60) degrees. A = Angle of Parking B = Stall Width C = Curb Length per Car D = Stall Length E = Stall Depth F = Aisle Width G = Overlap H = Overhang PROPERTY LINE WALL CURB E-> G H> A B D F. Street Access Width: 1\. Single Family Dwellings: The maximum width of an access within the right- of-way onto any public street shall not exceed thirty (30) feet. 2\. Other Uses: The maximum width of an access within the right-of-way onto any public street shall not exceed twenty-four (24) feet except as may be approved by the City Engineer in the case of traffic circulation needs. G. Setbacks: 1\. There shall be no off-street parking within ten (10) feet of any street surface. 2\. Curb accesses shall be a minimum of fifteen (15) feet from the side yard property line in all districts except as may be allowed as a conditional use provided that: (Ord. 2020-01, adopted January 12, 2021) a. The reduction in setback is necessary to allow for shared access to two (2) or more properties. b. Private ingress/egress easements allowing use of the shared curb access shall be recorded with each property and are subject to approval of the City Attorney. C. Adequate provisions for management of stormwater drainage and snow removal shall be provided and are subject to approval of the City Engineer. d. The area paved for the shared access shall be the minimum necessary to provide adequate circulation; all other areas shall be landscaped in accordance with the requirements of this Chapter. H. Curb Cut Spacing: Driveway access curb openings on a public street shall not be located less than forty (40) feet from one another except in the case of single family dwellings. I. Grade: The grade elevation of any parking area or driveways shall not exceed four (4) percent. J. Lot Access: 1\. All property shall be entitled to one (1) access from a public street. 2\. Commercial, industrial and institutional uses shall be allowed one (1) access from each one hundred twenty-five (125) feet of street frontage subject to compliance this Section and approval of the City Engineer. 3\. Single family residential uses shall be limited to one (1) access per property except that: a. A second access shall be permitted on any lot with a minimum frontage of one hundred twenty-five (125) feet to a public street. b. The location of all access points shall be subject to: (1) Submittal of a driveway permit application and review/approval by the City Maintenance Supervisor. (2) Review by the City Council should the City Maintenance Supervisor determine that the proposed driveway, its location, size, construction or relationship with other driveways or properties in the neighborhood deviate from the driveway permit checklist. (3) The applicant or property owner shall be required to pay any additional costs associated with the access request to achieve compliance with the requirements of this Section and approval of the City Engineer and the County Engineer when applicable. (Ordinance 2016-05, adopted August 10, 2016) 4\. Effective June 19, 2020, all new principal uses shall be required to provide driveway access that complies with the following: a. The driveway shall be a minimum of twelve (12) feet in width for single dwellings, or two dwellings which share a driveway, and shall be designed to accommodate the maneuvering and turnaround of emergency vehicles and fire apparatus in accordance with Section 503 of the International Fire Code. b. The driveway shall be a minimum of twenty (20) feet in width for three or more dwellings sharing a driveway access. C. A driveway turnaround shall be required for all properties which do not meet the standards established in Section 4e of this subsection: 60 96' 28' radius typical 28' radius typical 12' 12' OPTION 1 CUL-DE-SAC OPTION 2 60-FOOT 'Y' 60' 28' radius typical 60' 12' 70' 28' radius typical 12' 12' 12' OPTION 3 120' HAMMERHEAD OPTION 4 ALT. HAMMERHEAD d. Overhead clearance shall be no less than 13 feet, 6 inches for the passage of fire vehicles beneath trees, power lines, property entrances, and any other building overhangs, appurtenances, or site features between the public road and principal structure(s). e. The distance as measured from the driveway or public street to all sides of the principal structure(s) must be within 250 feet to allow fire hose access. (Ordinance 2020-03, adopted January 12, 2021)

K. Surfacing:

1\. Farmsteads, farming operations and detached single family residential uses within the RRA Zoning District (including those with home businesses) shall have driveways and parking areas surfaced with materials suitable to control dust and drainage. 2\. Detached single family uses within the RRT Zoning District shall have the primary driveway which serves an attached garage and all parking areas within front and side yards surfaced with concrete, asphalt, pavers or other hard surface as may be approved by the Zoning Administrator, subject to the following: a. The parking of vehicles, trailers, boats and RV's is prohibited within rear yards unless stored within an accessory building or parked on a hard-surfaced or gravel pad which is fully screened from neighboring properties and the public right-of-way. b. A driveway access to an accessory building in the rear yard which serves as a connection of the paved driveway in the front or side yards may be constructed of gravel from the rear line of the principal structure to the accessory structure. C. A second driveway, in compliance with Section 11-6-2.J, which is separated from the primary driveway and attached garage by more than forty (40) feet, may be gravel in its entirety. d. Gravel surfaces shall be kept free of weeds and grass. e. All driveways and parking areas conform with impervious surface limitations outlined in Section 11-3-6 of this Chapter. (Ordinance 2020-01, adopted January 12, 2021) 3\. All other uses: a. All driveways and parking areas shall be surfaced with asphalt, concrete, cobblestone, or paving bricks. b. Plans for surfacing and drainage of driveways and stalls for parking areas of five (5) or more vehicles shall be submitted to the City Engineer for review and the final drainage plan shall be subject to written approval. C. For industrial uses which experience frequent heavy equipment utilization which could be expected to destroy or damage required surfacing materials, an exemption to the surfacing requirements may be allowed by an interim use permit pursuant to Section 10 of this Chapter and provided that: (1) General public and employee access driveways and parking areas shall not be included in the exemption. (2) At such time as the presence of heavy equipment is reduced or eliminated, the surfacing of exempted areas shall be completed in compliance with this Section. (3) All other performance standards related to parking and driveways shall be met. 4\. Striping: All required parking stalls for commercial, industrial or institutional uses shall be marked with white or yellow painted lines not less than four (4) inches wide. 5\. Curbing and Landscaping: a. Except for agricultural uses, single family dwellings and essential service uses, all open, off-street parking shall have a continuous concrete perimeter curb barrier around the entire parking lot. b. The curb barrier shall not be closer than five (5) feet to any lot line except by approval of a conditional use permit provided that: (1) The reduction in setback is necessary to allow for shared circulation and/or off-street parking to two or more properties. (2) Each property shall provide the number of parking stalls required by this Section upon the respective property. (3) Private ingress/egress easements allowing use of the shared circulation and off-street parking areas shall be recorded with each property and are subject to approval of the City Attorney. (4) Adequate provisions for management of stormwater drainage shall be provided and is subject to approval of the City Engineer. (5) The area paved for the shared access shall be the minimum necessary to provide adequate circulation; C. Grass plantings and landscaping shall be provided in all areas bordering the parking area. L. Required Screening: All open off-street parking areas of five (5) or more spaces shall be screened and landscaped from abutting or surrounding residential districts and uses, and the public right-of-way. M. Snow Storage: Adequate space for snow storage shall be provided on the site so as not to reduce the required minimum number of parking spaces. In those cases where excessive snow cannot be properly stored on site, it shall be immediately removed from the site. (Ordinance #38, October 11, 2011)

Amendment history

No amendments to this section are on file here. Ordinances adopted since the code was captured are listed on the city code page.