§ 152.24 I – INDUSTRIAL DISTRICT.
   (A)   Purpose. The purpose of the I Industrial District is to provide for industrial development outside of the other districts authorized by this chapter. Development within the district shall be regulated through the performance standards outlined in § 152.30 of this chapter to promote sensitive site design and to mitigate external site impacts.
   (B)   Permitted uses and structures. Within the I District no structure or land may be used except for the following uses occurring within an enclosed building:
      (1)   Warehouse
      (2)   Storage
      (3)   Office
      (4)   Wholesale
      (5)   Research
      (6)   Government buildings
      (7)   Other such industrial uses which in the determination of the City Council and as formally documented will be compatible and will not be detrimental to uses allowed in this or contiguous districts.
   (C)   Accessory structures and uses. Within the I District the following accessory uses are permitted provided they are subordinate to and associated with a permitted use:
      (1)   Living quarters for security personnel, provided they are located within the principal structure;
      (2)   Overnight outside storage of vehicles, provided the vehicles are associated with the business and are screened from view from residential properties or public views;
      (3)   Outside storage, including fuel storage, provided it is screened from general public view;
      (4)   Retail or service uses not exceeding 25% of the gross floor area of the principal structure;
      (5)   Other uses customarily associated with but subordinate to a permitted use, as determined by the city.
      (6)   Solar panels and equipment, satellite dishes and-antennas.
   (D)   Conditional uses. Within the I District no land or structure may be used for the following except by conditional use permit:
      (1)   Retail, or service uses occupying between 25% and 50% of the gross area of the principal structure, pursuant to the following requirements:
         (a)   Shall be no exterior modifications to the building;
         (b)   Shall have no outside storage or display and no accessory structures for retail sales purposes; and
         (c)   Shall have sufficient parking to accommodate the additional retail traffic.
      (2)   Manufacturing.
      (3)   Processing
   (E)   District standards. No building or land in the I District shall be used except in conformance with the following:
      (1)   Building height. Maximum of 45 feet or three stories, whichever is less;
      (2)   Front yard setback. Minimum of 35 feet from local and neighborhood collector streets as identified in the comprehensive plan, if any, or the zoning map if no comprehensive plan is in existence; or a minimum of 50 feet from railroad lines and from major collector or arterial roadways as designated in the comprehensive;
      (3)   Side and rear yard setbacks. Minimum setbacks shall be in accordance with the following when measured from land designated accordingly in the comprehensive plan:
         (a)   70 feet from R-1 residential uses;
         (b)   30 feet from C-1 and C-2 commercial business uses; and
         (c)   20 feet from I District uses.
      (4)   Lot coverage. Maximum lot coverage shall be 85% and shall be calculated to include building footprints; parking areas; driveways; loading, storage and trash areas and other areas covered by any impervious surface.
      (5)   Access: from a collector or arterial roadway as designated in the comprehensive plan, if any, or a street specifically designed to accommodate industrial traffic.
      (6)   Trash enclosures or accessory buildings not to exceed 600 square feet in size shall be located behind the front building line of the principal building and not in any required set back.
      (7)   Parking. See § 152.35; and
      (8)   Performance standards shall be regulated pursuant to § § 152.30.