A. Backing Onto Public Street: No off-street parking lot shall be constructed in a manner that would require vehicles to back out onto a public street.
1. Requirements: Except as provided in subsection B2 of this section, parking areas shall be properly surfaced with concrete, asphalt, or masonry pavers, maintained in good condition, and kept free of weeds, dust, trash, and debris.
2. Residential Parking Areas:
a. All new main residential driveways, approaches, and parking spaces required by this title shall be surfaced with concrete, asphalt or other hard surfaced (impermeable) pavement material. All new main residential driveways shall have a minimum depth from the front property line to the front of the residence or garage of twenty feet (20').
b. Any gravel or crushed rock installed for accessory parking in a residential zone after July 1, 2014, must be a minimum of two inches (2") deep, compacted, placed atop a weed barrier, be maintained completely free of grass and weeds, and contained within durable borders.
c. Legally established, but nonconforming residential gravel driveways installed prior to July 1, 2014, may continue to be utilized, provided they are properly maintained and kept completely free of grass and weeds.
3. Variations: Variations to the required surface materials set forth in subsection B1 of this section may be permitted for residential parking in the A-1 agricultural zone and for temporary businesses and special events for which the necessary permits or licenses have been issued by the city.
C. Grading: Parking lots shall be graded for proper drainage.
D. Lighting: Lighting used to illuminate an off-site parking area shall be so arranged as to reflect the light away from adjoining premises in any residential district.
E. Design: As a minimum requirement, parking areas shall comply with the standards as shown below. Travel lanes between dual rows of ninety-degree (90°) parking may be developed at twenty-four feet (24') in width subject to prior approval from the city engineer and the North Davis fire district. Primary access points to the parking lot, or the access lane located closest to the primary structure on the lot must be provided with twenty-six foot (26') travel lanes.
F. Interior Parking Lot Landscaping:
1. On doubled rows of parking stalls, there shall be a forty-foot (40') long by nine-foot (9') wide landscaped island on each end of the rows, plus a forty-foot (40') long by nine-foot (9') wide landscaped island to be placed at a minimum of every twelve (12) parking stalls. Each island on doubled parking rows shall include a minimum of two (2) deciduous trees, having a minimum trunk size of two inches (2") in caliper measured eight inches (8") above the soil line. Other landscaping installed in the island shall include shrubbery and an acceptable ground cover. No hard surface improvements such as concrete or asphalt are allowed within any landscape islands.
2. On single rows of parking there shall be a twenty-foot (20') long by nine-foot (9') wide landscaped island a minimum of every twelve (12) stalls. In situations where the parking stall allows a portion of the vehicle to extend over landscaping (“nose over landscaping”), the island planter may be allowed to be no less than eighteen feet (18') in length. Islands on a single parking row shall have a minimum of one deciduous tree having a minimum trunk size of two inches (2") in caliper measured eight inches (8") above the soil line. Other landscaping installed in the island shall include shrubbery and an acceptable ground cover. No hard surface improvements such as concrete or asphalt are allowed within any landscaped islands.
3. Landscaped islands at the ends of parking rows shall be placed and shaped in such a manner as to help direct traffic through the parking area. There shall be a break in parking rows at a minimum of forty-eight (48) parking stalls for each double row of parking for the purpose of facilitating traffic circulation on the site.
4. Interior parking lot islands are not required for industrial properties in order to facilitate traffic flow for large vehicles and proper snow removal.
5. All landscaping improvements required by this section shall be installed in accordance with the approved site plan, landscaping plan, and irrigation plan. They shall be completed prior to the issuance of a certificate of occupancy for the building or structure with which they are associated, or in cases of inclement weather, within six (6) months of the date of initial occupancy. Date of initial occupancy will be the date that a certificate of occupancy is issued for the first building or facility of an individual phase or plat of the development.
6. All landscaping required by this section shall be properly irrigated with an automatic irrigation system.
G. Perimeter Parking Lot Landscaping:
1. Landscaping shall be required around the perimeter of parking areas. Landscaped areas adjacent to street frontages shall be a minimum of ten feet (10') in width. Landscaped areas adjacent to parcels that have the same land use shall be a minimum of six feet (6') wide. A fence, landscaping screen, or berm is required around the perimeter of the parking area to mitigate escape of light from headlights and other lighting on surrounding property.
2. When parking areas abut a front yard or road frontage landscaped area, such parking area shall be screened by the following methods or a combination of any of the following that is capable of blocking headlight glare and shall meet the following requirements:
a. Landscape hedge screening shall be planted and maintained as a continuous landscape hedge not less than three feet (3') in height, measured from finish grade of the parking lot, and located outside of public rights of way. Plant materials shall be an evergreen species, a minimum of five (5) gallon size and spaced not farther than five feet (5') on center. The landscape hedge shall be set back a minimum of three feet (3') and a maximum of six feet (6') from the perimeter of any parking space, driveway, or any access aisle. Ground covers and shrubs planted within the clear vision triangle area shall not exceed three feet (3') (36 inches) in height.
b. Berms shall measure not less than three feet (3') in height from finish grade of the parking lot and shall not be located in public rights of way. The toe of the berm shall be set back a minimum of three feet (3') and a maximum of six feet (6') from the perimeter of any parking space, driveway, or any access aisle. The maximum slope of the berm shall not exceed four to one (4:1).
c. Parking screen walls shall measure not less than three feet (3') and not more than four feet (4') in height from finish grade of the parking lot. Parking screen walls shall not be located in public rights of way, or on top of any retaining walls. Walls shall be set back a minimum of three feet (3') and a maximum of six feet (6') from the perimeter of any parking space, driveway, or any access aisle, as measured from the back of curb. Walls shall be constructed of decorative block, brick, stone, or similar materials and finished on both the interior and exterior elevations. Horizontal and/or vertical variation in the design of screen wall is required whenever linear alignment exceeds one hundred feet (100').
In instances, when the parking lot and adjacent roadway are determined by the zoning administrator to be at slopes where the three feet (3') in height measured from the finished grade of the parking lot does not provide adequate screening, measurements from the higher finished grade of the property should be used, and the measurement of the screening (wall, berm, or landscape) is not to be less than three feet (3') in height.
3. On single rows of parking along the perimeter of a parking lot, there shall be a twenty-foot (20') long by nine-foot (9') wide landscaped island a minimum of every twelve (12) stalls. In situations where the parking stall allows a portion of the vehicle to extend over landscaping (“nose over landscaping”), the island planter may be allowed to be no less than eighteen feet (18') in length. Islands on a single parking row shall have a minimum of one deciduous tree having a minimum trunk size of two inches (2") in caliper measured eight inches (8") above the soil line. Other landscaping installed in the island shall include shrubbery and an acceptable ground cover. No hard surface improvements such as concrete or asphalt are allowed within any landscaped islands.
4. All landscaping improvements required by this section shall be installed in accordance with the approved site plan, landscaping plan, and irrigation plan. They shall be completed prior to the issuance of a certificate of occupancy for the building or structure with which they are associated, or in cases of inclement weather, within six (6) months of the date of initial occupancy. Date of initial occupancy will be the date that a certificate of occupancy is issued for the first building or facility of an individual phase or plat of the development.
5. All landscaping required by this section shall be properly irrigated with an automatic irrigation system.
H. Snow Stacking Area: Every parking lot design shall plan for a snow stacking area to accommodate the stacking volume of a four-inch (4") snow base over the entire parking lot. (Ord. 2009-41, 11-24-2009; amd. Ord. 2011-10, 9-27-2011; Ord. 2014-15, 6-24-2014, eff. 7-1-2014; Ord. 2015-13, 7-28-2015; Ord. 2015-19, 12-8-2015; Ord. 2021-11, 7-27-2021; Ord. 2023-10, 6-13-2023)