YAVAPAI COUNTY PLANNING AND ZONING ORDINANCE Page 10 (2) Any residential fence under 50 linear feet (fences over six feet will require a permit regardless of length). (3) Any residential block, masonry, stone or concrete wall under 50 linear feet (walls over four feet in height from grade will require a permit regardless of length). (4) Any addition to an existing residential structure where sum of total square footage is less than 200 square feet. b. The following are exempted from the definition of structure and, hence, do not require a Zoning Clearance: (1) Roof-mounted solar equipment and ground-mounted solar equipment (not including walls, foundations, enclosures, etc.). (2) Swimming pools, hot tubs, whirlpools, and other pre-fabricated above ground re-locatable outdoor recreational equipment (not including slabs, foundations, enclosures, decks, etc.). (3) Satellite dishes or up-right mast antennae (not including slabs, foundations, enclosures or permanent structural supports). (4) Machinery and equipment substantially manufactured elsewhere and placed on site (not including slabs, foundations, supports, enclosures or other structural features built on site or permanently attached to the ground). (5) Propane, LPG, natural gas and similar pressurized tanks (not including above ground gasoline, oil and similar non-pressurized tanks or tanks which are assembled on site). (6) Underground installations with no significant above ground structural features such as fuel tanks (not including installations which permit the entry of persons or domestic animals). (7) Vehicles (except for mobile homes). (8) Tents, tepees, tree houses for children's play use. (9) Fences for agricultural or grazing purposes on parcels of five (5) acres or more. (10) Earthworks with no added structural materials that do not exceed fifty (50) cubic yards on any one (1) lot and do not obstruct a drainage course. (11) Landscaping including the use of ground level structural materials (not including vertical walls, fences, concrete walks, paved parking areas, concrete or asphalt driveways, patios, slabs, decks, enclosures, gazebos, arbors and any above ground features). (12) Improvements within mine shafts and caves. (13) Public Utility lines, structures, and installations. (14) Pavement and drainage structures in rights-of-way and non-exclusive easements. (15) Above-ground water storage tanks 5,000 gallons or less (not including walls, foundations, enclosures, etc.).