Requirements for fences, hedges, and walls in all commercial and industrial zones used for decorative barriers and solid screening shall be as follows:
   (A)   Permitted fences, hedges and walls.
      (1)   Setbacks.  Fences and walls shall be set back from the property line the same distance as is required for buildings in the same zone it is placed.
      (2)   Height.
         (a)   Fences and walls shall not exceed eight feet in height.
         (b)   If located adjacent to a residential zone, fences and walls shall not exceed the maximum height permitted in the adjoining residential zone.
         (c)   Hedges shall not exceed three feet in height when located in the required setback area.
      (3)   Materials.  Fences and walls shall be composed of the following:
         (a)   Masonry wall: decorative block (i.e. split face, slump stone) shall be required on all walls visible to the street;
         (b)   Concrete tilt-up walls if of adequate aesthetic quality;
         (c)   Wrought iron; or
         (d)   Other materials if of adequate aesthetic and structural quality and durability as approved by the Committee. Chain link fencing shall not be permitted.
   (B)   Required (solid screening) fences, hedges, and walls.
      (1)   Locations.  Solid screening shall be provided around storage yards and outside industrial operations or between industrial and commercial development abutting a residential zone or residential development.
      (2)   Setbacks.  Solid screening shall be set back from the property line the same distance as is required for buildings in the same zone it is located.
      (3)   Height.
         (a)   Required solid screening shall be six feet in height; a higher screening may be required based on the field conditions.
         (b)   If located adjacent to a residential zone, the solid screening shall be approved by the Committee.
      (4)   Materials.  All solid screening shall be composed of the following:
         (a)   Masonry walls.  Decorative block shall be required on walls visible to the street (i.e. split face or slump stone block).
         (b)   Concrete tilt-up walls if of adequate aesthetic quality.
         (c)   Other materials approved by the Committee after giving consideration to appearance, screening capability, structural quality and durability.
   (C)   Fences, hedges and walls—height determination. The height of any fence, hedge or wall shall be measured as follows:
      (1)   For street property lines, at sidewalk grade;
      (2)   For interior property lines, at sidewalk grade or adjacent finished grade.
   (D)   Fences, hedges and walls—nonpreemption. Nothing in divisions (A) through (E) of this section shall be deemed to set aside or reduce the requirements established for security fencing by local, state or federal law.
   (E)   Barbed wire.
      (1)   Barbed wire shall be permitted in the M (Manufacturing) zone subject to the following conditions:
         (a)   A building permit shall be required prior to installation.
         (b)   It shall only be located on a fence that is a minimum of six feet in height.
         (c)   It shall not be located in required front setback or street side yard areas.
         (d)   It shall be installed and maintained on a 45-degree angle into the property, measured from the vertical axis representing the fence. It shall not protrude or extend over adjacent private or public property.
         (e)   It shall not be installed on a fence abutting a residential zone.
      (2)   The use of barbed wire in other zones may be approved by the Development Review Committee. The Committee shall base its decision on whether the barbed wire will impact surrounding neighbors, cause hazardous conditions, or be aesthetically unattractive. The Committee may impose conditions on its approval to minimize such impacts, hazardous conditions, or unattractiveness.
      (3)   That form of barbed wire commonly known as “razor wire,” and any barbed wire in which broken glass is a component, shall not be permitted in any zone.
   (F)   Setbacks—physical obstructions.  In all zones, no buildings, walls, fences, hedges, shrubs, ground signs or the physical obstruction higher than three feet above grade shall be located in the triangular areas defined by the intersections diagramed in § 17.12.040 (the diagrams are not to scale).
   (G)   Trash areas.
      (1)   All outside trash and garbage collection areas shall be enclosed or screened with a six-foot high wall with metal opaque gates and shall be located so as to allow for convenient pickup and disposal.
      (2)   All trash containers shall be provided with lids.
      (3)   Trash containers shall be provided with a sufficient capacity to contain all refuse generated by the use.
   (H)   Mechanical equipment.  Ground-mounted mechanical equipment, including but not limited to heating and air conditioning devices, shall be screened from public view. Roof-mounted mechanical equipment and/or duct work which projects above the roof or roof parapet of a building and is visible from adjacent property or a public street shall not be permitted.  Exceptions: The Development Review Committee may permit an enclosure that screens mechanical equipment if the material is durable and consistent with the architecture of the building.
(`83 Code, § 17.16.030)  (Ord. 94-03 § 6, 1994; Ord. 2008-02 § 10, 2008)