YAVAPAI COUNTY PLANNING AND ZONING ORDINANCE Page 101 50% of the trees shall be evergreen. Minimum 50% of the understory planting shall be evergreen. • 30% of landscaped area to have natural looking berm at 18 inch min. height from ground level. (berms shall not be placed within sight line triangles). 3. Protective Screening • One (1) evergreen tree per 12 linear feet; or • Three (3) ft. berm with three (3) ft. shrub planted three (3) ft. on center; or • Combination of the above to be approved by the Development Services Director. D. MODIFICATION TO LANDSCAPE STANDARDS 1. The Development Services Director may grant minor modifications to the standards set forth in this Section if it is determined that: a. The strict application of these standards is not possible due to existing physical conditions; and b. The modification is consistent with the purpose of this Section; and c. The modification is the minimum modification that would afford relief and would be the least modification of the applicable provisions of this Section. A. The design and operation of the proposed facility shall meet the standards of the Office of the Arizona State Fire Marshal. B. The parcel or lot shall be of sufficient size to meet all parking and automobile circulation requirements set out by this Ordinance. Aboveground storage tanks shall not be permitted on lots or parcels not meeting current parking or circulation standards. C. Aboveground L.P. (liquid propane) storage tank(s) shall be a minimum of twenty-five feet (25’) from all property lines. D. Crash guards shall be installed on three foot (3’) centers on all sides of L.P. fuel storage tank(s) consisting of six foot (6’) lengths of six inch (6") Schedule 40 steel and embedded in concrete two feet (2’) deep and twelve inches (12") around. E. A minimum setback or separation of one hundred feet (100’) shall be maintained from the tank to the nearest residentially zoned parcel or "R" residential occupancy building as specified under the Uniform Building Code. F. The maximum size L.P. storage tank shall not exceed two thousand (2,000) gallons (water capacity). MANUFACTURED HOUSING/MULTI-SECTIONAL MANUFACTURED HOUSING STANDARDS A. ZONING REQUIREMENTS: Multi-Sectional Manufactured Homes/Manufactured Homes are subject to the design/performance standards which follow. SECTION 549 LIQUID PROPANE DISPENSING - RETAIL SECTION 552 MANUFACTURED HOUSING/MULTI-SECTIONAL HOUSING