7.4.3.   GENERAL PROVISIONS
   A.   Parking Required
      1.   Parking is required for every use unless otherwise specified in Section 7.4.4.B, Minimum Number of Motor Vehicle Spaces Required, or 7.4.8.B, Minimum Number of Required.
      2.   Each Group (Group), except for Residential and Storage, has a standard minimum parking formula. The standard formula applies to every Class (Class) within that Group, except for those Classes specifically listed in the parking tables.
      3.   The Groups and the Classes within each Group are defined in Article 11.
      4.   Required parking for uses not defined in Article 11 are determined by the Zoning Administrator.
   B.   Parking for
    spaces for must be provided as required by the City of Tucson’s adopted Building Code.
   C.   Change of Approved
   Any change of the as shown on the approved must comply with the requirements of this section.
   D.   Changes of Use
   Parking for changes of use is required as follows.
      1.   When the proposed use is the same as the use it is replacing, the parking remains the same in accordance with Article 9, , , or .
      2.   When the proposed use is different that the use it is replacing, the parking remains the same provided all of the following criteria are met:
         a.   The replacement use must be a permitted use in the current , except a replacement use may not include a restaurant or bar (Food Service or Service uses) or a similar use listed in the applicable Group;
         b.   The parking intensity for a proposed replacement use, except as permitted by Section 3.3.3.H, Zoning Compliance for   in Existence on May 1, 2005, must be the same or a lesser intensity as a prior use on the subject property as documented by the applicant. The property owner must provide documentation regarding the prior use as required by the Zoning Administrator;
         c.   Existing on- parking, , and screening may remain in their current configuration; however, the Planning and Development Services may require new including paving and striping when a public safety hazard exists or may be created; and,
         d.   The proposed use must comply with the City of Tucson’s adopted Building Code pertaining to accessibility for .
      3.   When the proposed use is different than the use it is replacing and the criteria of Section 7.4.3.D.2 cannot be met, the required number of motor vehicle and shall be in accordance with Sections 7.4.4 and 7.4.8, respectively, except as provided below.
      4.   When the is in a tenant space within a shopping center, , or   , the required number of is based on the , or whichever method for determining the minimum required number in accordance with Section 7.4.8, of the tenant space in which the proposed occurs.
   E.   Expansions
   Expansions of existing uses are subject to the following.
      1.   If an expansion is less than 25% or if a series of expansions cumulatively results in less than a 25% expansion in , the requirements of this section apply only to the proposed expansion. Existing on the is subject to the zoning regulations in effect at the time of approval of the most recent approved plan for the existing . However, if the existing was approved prior to April 1, 1969, and there is no approved plan on file with the , the for the existing shall comply with:
         a.   The parking, screening, and requirements in effect at the time the permit for the existing use was approved; and,
         b.   The paving and striping requirements of this division.
      2.   If an expansion is 25% or greater or if a series of expansions cumulatively results in a 25% or greater expansion in , the requirements of this section apply to the entire .
      3.   Expansions as noted in Section 7.4.3.E.1 and 2 are cumulated over time from April 1, 1969, for the application of motor vehicle parking regulations and from May 9, 1990, for the application of parking regulations. Once a is brought into with the provisions of this division, subsequent expansions will begin cumulating as of the date the was brought into .
   F.   Calculation of Required Motor Vehicle and
   The minimum number of parking spaces required must be calculated based on the particular characteristics of the use. The following methods shall be used to calculate the required number of parking spaces.
      1.   Based on Fixed Seats
      Use the total number of fixed seats to calculate the requirement. If individual seats are not provided, each 18 linear inches of benches, pews, or similar seating facilities is considered one seat.
      2.   Based on Beds
      Use the total number of beds to calculate the requirement.
      3.   Based on
      Use the total number of to calculate the requirement.
      4.   Based on (GFA)
      Use the total GFA of all applicable within the   , plus the area of any outdoor areas necessary to provide the service to the public or conduct the activity, such as outdoor eating areas or outdoor areas used for sale of merchandise, to calculate the requirement. The calculation does not include , automobile display areas, or other outdoor areas used for nonpublic purposes. Where such areas are identified on a plan but are not defined, the Zoning Administrator shall determine the extent of the area.
      5.   Based on the Number of Residents
      Use the total number of residents for which the facility is authorized to calculate the requirement.
      6.   Based on the Number of Students
      Use the total number of students for which the facility is designed to calculate the requirement.
      7.   Based on the Number of Employees
      Use the shift with the greatest number of employees to calculate the requirement.
   G.   Fractional Amounts
   When the calculation of required , , and spaces results in a fractional number, a fraction of one-half or more is adjusted to the next higher whole number, and a fraction of less than one-half is adjusted to the next lower whole number.
(Am. Ord. 11953, 8/23/2022)