YAVAPAI COUNTY PLANNING AND ZONING ORDINANCE Page 56 1. Maximum Lot Coverage: A combination of all of the proposed uses shall not exceed a maximum building coverage of fifty percent (50%) of the total area, except in the case of a PAD located within or abutting another Zoning District which allows a greater coverage, then the greater coverage allowances may apply. 2. Open Space: a. A minimum of twenty-five percent (25%) of the total gross site area, that is intended to provide light and air, and is designated and designed for resource protection, buffers, drainage ways, environmental, scenic, or recreational purposes. Common open space lands shall be clearly designated on the plan to include the character of use and development, and may be public or private or some combination of both, and shall not include private residences/structures, required yards, driveways, parking lots, streets, alleys, public rights-of-way or other surfaces intended or designed for vehicles. Decorative lakes (including those that contain treated effluent) may be included in the calculation for open space. b. Whether private or dedicated to the public, it shall be the responsibility of the developer to ensure that the open space is protected in perpetuity by legal arrangements, sufficient to assure its maintenance and preservation for whatever purpose it is intended. Covenants or other legal arrangements shall specify ownership of the open space, method of maintenance; maintenance taxes and insurance; compulsory membership and compulsory assessment provisions and any other specifications deemed necessary by the Planning and Zoning Commission and Board of Supervisors. 3. Zero lot line setbacks may be allowed under the following circumstances: a. The lot adjacent to the zero-setback side yard must be under the same ownership at the time of initial construction (ensuring that a developer does not infringe on the property rights of owners of adjacent tracts). b. The setback on the adjacent lot must be either zero feet or greater than ten feet (10'). c. The opposite side yard of not less than ten feet (10') must be kept perpetually free of permanent obstructions (such as a storage shed or a fence without a gate). d. Similar zero lot line exceptions can be made for the rear yard, but not for both the side and rear yards of the same lot. e. A five foot (5') maintenance easement along the boundary of the zero lot line must be identified on the site plan. 4. Non-motorized trails shall be considered and may be incorporated into the design of vehicular and pedestrian traffic ways where possible, and connect to off-site non- motorized trails. F. Other Requirements: The Planning and Zoning Commission and/or Board of Supervisors shall insure that the public welfare and safety is preserved, and that provision is made for harmonious and appropriate development of the land by requiring as needed: