20.14.080 - Gravel/screening surface parking.
A. Allowed uses.
1. Office, educational or institutional (less than or equal to five thousand sf building).
a. Gravel/screenings surfaced parking areas may be incorporated for the required parking reserved for use by employees and staff of in-store retail or professional offices, and for required parking where on-site ponding (see Section 20.14.080 C.4.) or permanent desilting basins are provided. In no case shall gravel/screening parking exceed fifty percent of the total required parking.
b. The perimeter of any gravel or screenings parking and drives areas shall be delineated by edging, curbing, abutting hard surfaces or other method as approved by the director of the city development department or other designee of the city manager; and signage shall be installed indicating "Parking For Employees, Staff, and/or Overflow Parking Only."
2. Office, educational or institutional (greater than five thousand sf building).
a. Gravel or screenings surfaced parking may be incorporated for parking in excess of the required parking only.
b. The perimeter of any gravel or screenings parking and drives areas shall be delineated by edging, curbing, abutting hard surfaces or other method as approved by the director of the city development department or other designee of the city manager; and signage shall be installed indicating "Overflow Parking Only."
c. All access drives to required parking shall be hard surfaced.
3. Commercial/manufacturing/warehousing/ storage/construction yards/ high traffic uses.
a. Gravel/screenings surfaces may be incorporated for parking in excess of the required parking, for employee parking, for the storage users of truck trailers, storage containers, equipment, supplies, materials, motor vehicles or recreational vehicles which are part of the business function of the facility or site; including transport drop-offs and stock-in-trade.
b. All required parking for visitors, customers, employees, or patrons shall be hard surfaced.
c. The perimeter of any gravel or screenings parking and drives areas shall be delineated by edging, curbing, abutting hard surfaces or other method as approved by the director of the city development department or other designee of the city manager; and signage shall be installed indicating "Overflow Parking Only" or as appropriate.
d. All access drives to required parking shall be hard surfaced.
e. All loading docks and all other loading areas shall be hard surfaced.
4. Recreation, amusement and entertainment.
a. For outdoor facilities, gravel/screenings surfaces may be incorporated for required parking in accordance with the attached table (Parking Table, Appendix C). For indoor facilities, gravel surface parking areas may be incorporated for parking in excess of the required parking, and for required parking where on-site ponding or permanent desilting basins are provided.
b. Gravel/screenings surfaces may be incorporated for parking in excess of the required parking and for the storage of truck trailers, storage containers, equipment, supplies, materials, recreational vehicles that are part of the function of the facility.
c. The perimeter of any gravel or screenings parking and drives areas shall be delineated by edging, curbing, abutting hard surface or other method as approved by the director of the city development department or other designee of the city manager.
d. All access drives to required hard surfaced parking shall be hard surfaced.
5. Temporary Uses.
a. Gravel/screenings surfaces may be incorporated for all required parking subject to review, approval, and conditions by the director of the city development department or other designee of the city manager.
b. Temporary uses with no parking requirements (i.e., construction areas, etc.) are exempt from parking surface requirements.
c. The perimeter of any gravel or screenings parking and drive areas shall be delineated by edging, curbing, or abutting hard surface or other method as approved by the director of the city development department or other designee of the city manager.
6. Utility, miscellaneous and governmental facilities.
a. Gravel/screenings surfaces may be incorporated for required and/or excess parking subject to review, approval, and conditions by the director of the city development department or other designee of the city manager.
b. Temporary uses with no parking requirements (construction areas, etc.) are exempt from parking surface requirements.
c. Any gravel or screenings parking areas shall be delineated by edging, curbing, or abutting hard surface or other method as approved by the director of the city development department or other designee of the city manager.
7. Agricultural and related uses. Gravel/screenings surfaces may be incorporated for all required parking including truck trailers, storage containers, equipment, supplies, materials, recreational vehicles which is part of the business function of the facility as well as personal vehicles of the living quarters on the premises, and for parking in excess of the required parking.
8. Residential.
a. Gravel/screenings surfaces may be incorporated for:
i. Required parking located at a distance no less than twenty feet from the front property line;
ii. For required parking where on-site ponding (see Section 20.14.080(C)(4)) or permanent desilting basins are provided for the surface area of the gravel/screening parking area; and
iii. For all parking in excess of the required parking within side and rear yards.
b. The perimeter of any gravel or screenings parking areas shall be delineated by edging, curbing, abutting hard surfaces or other method as approved by the director of the city development department or other designee of the city manager.
B. Non-allowed uses and restrictions.
1. Gravel/screenings surfaces shall not be incorporated for either required or excess parking for motor vehicle sales except as allowed in other sections of this chapter, for repair or dismantling uses, for storage of used drive train components other than tires, wheels or drive shafts, or for fueling or lubricating bays.
2. Gravel/screenings surfaces shall not be incorporated for either required or excess parking for hospital or medical treatment uses with buildings greater than or equal to five thousand square feet.
3. Gravel/screenings surfaces may be not be incorporated for either required or excess parking in excess of ninety-nine spaces.
4. No authorizations herein shall supersede state or federal requirements, restrictions, rules, or regulations.
5. No parking is allowed on top of landscaping or areas not specifically designated for parking.
6. Parking surfaces with more than five parking spaces shall be paved or uniformly covered with gravel. This provision shall not apply to temporary parking lots defined as lots used for less than one month, after which access is prohibited. Such temporary lots shall be required to apply water or suitable oil or chemical.
C. General requirements for all allowed uses.
1. All driveway aprons from public streets to any gravel/screenings surfaced areas shall be concrete, asphalt (where applicable), or composite thereof. Driveway apron shall extend a minimum of twenty feet from the property line.
2. Where possible, gravel/screenings surfaced parking areas shall be graded at slopes from zero percent to two percent. Gravel surfaced parking areas exceeding two percent slope shall provide for appropriate gradation to be designed by a professional engineer. All gravel/screening shall be a minimum thickness on top of the base course/sub-grade as defined in subsection (D)(2). Alternatively, as otherwise allowed or required by base course/sub-grade conditions and as evaluated by a professional engineer and geotechnical engineering evaluation. In all cases, unless otherwise approved by the director of the city development department or other designee of the city manager, surface drainage of that parking should be directed either to an on-site ponding area or to a permanent desilting/stilling area (planter, landscaping etc.) prior to any discharge to a public street.
3. Site drainage should be directed away from gravel/screenings surfaced parking areas.
4. On-site ponding shall be provided for the surface area of any gravel/screening parking area if ponding for both the pre-existing undeveloped and the difference (if any) to the developed stormwater runoff from that site has not been previously provided for that site whether on-site or off-site.
5. All TAS parking shall be hard surfaced and comply with TAS requirements; gravel/screenings surfaces may be incorporated for driveways and areas not utilized for accessible routes.
6. The perimeter of all gravel/screening parking and drives shall be delineated by edging, curbing, abutting hard surface or other method as approved by the director of the city development department or other designee of the city manager.
7. The property owner shall maintain all gravel/screening surfaced parking and drive areas, on-site ponding, and/or desilting basins in clean and good condition.
(Ord. 16653 § 2 (part), 2007) (Ord. No. 17442, § 36, 10-26-2010; Ord. No. 17560, § 10, 5-17-2011; Ord. No. 17801, § 8, 6-5-2012, eff. 6-11-2012)