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development) involving more than one property equal to one hundred (100) feet or one hundred (100) percent of the tower height, whichever is greater. In addition,he a plication shall demonstratethat,the tower is to be located.a distance more thane uahto,th e7Ft5 ndred•(30towe_r�height from,the nearesuresidential,dwelling•(existing or under construction). Said distance shall be measured from the closest point of the tower structure to the closest point of the dwelling. Towers constituting a "camouflaged commercial communications tower" need satisfy only the building setbacks for the type of structure used or simulated. 2. Towers shall be designed and constructed according to applicable building code wind -loading requirements. 3. The distance of any guy anchorage or similar device shall be at least five (5) feet from any property line. 4. All accessory structures shall be subject to the height restrictions provided in Accessory uses, Chap er 917. Accessory buildings and shelters shall meet the requirements of section 917.06(8)(D). 5. If more than two hundred twenty (220) voltage is necessary for the operation of the facility and is present in a ground grid or in the tower, signs located every twenty (20) feet and attached to the fence or wall shall display in large, bold, high contrast letters (minimum height of each letter: four (4) inches) the following: "HIGH VOLTAGE - DANGER." 6. No equipment, mobile or immobile, which is not used in direct support of the transmission or relay facility shall be stored or parked on the tower site area of development unless repairs to the facility are being made (applies only on A-1, A-2, or A-3 zoned property). 7. No tower shall be permitted to encroach into or through any established public or private airport approach path as provided in the airport height limitations. All proposed towers shall satisfy the airport zoning ordinance requirements. 8. Suitable protective anti -climb fencing (e.g. eight -foot fencing with barbed wire) and a landscape planting screening shall be provided and maintained around the structure and accessory attachments. One canopy tree (minimum height of twelve (12) feet with six-foot spread at time of planting) and two (2) understory trees (minimum height of eight (8) feet at time of planting) shall be provided for every thirty (30) feet of the tower base/accessory structures' fenced perimeter. Credit shall be given for existing tree located between the tower base perimeter and adjacent areas that are being buffered. The required trees shall be planted in a pattern to maximize screening of the base area of the tower from the view of adjacent road rights- of-way and adjacent residentially designated or residentially used properties, without conflicting with any guy wires. Trees credited or planted to meet this screening requirement shall be located on property under the control of the applicant to ensure that the screening trees are preserved and maintained. 9. All towers shall submit a conceptual tower lighting plan. Louvers or shields may be required as necessary to keep light from shining down on surrounding properties. Where lighting is required by a government agency, dual (day/night) lighting must be used unless otherwise directed by other agencies. 10. For special exception use requests for towers in the urban service area, all property owners within six hundred (600) feet of the property boundary shall receive written notice via certified mail. For towers outside the urban service area, all property owners within one-half (Yz) mile of the tower site shall be notified, as follows: certified mail to owners of property within the first six hundred (600) feet, regular mail to the remainder. 11. Applicants shall justify in writing why no other existing tower or other potential collocation facility within the "accepted search area," as defined below, could be used to meet the applicant's transmitting/receiving needs. An application may be denied if the justification does not show the use or an existing tower or potential collocation facility within the "accepted search area" is not feasible. The written justification shall include the following: (a) A scaled map showing the "acceptable search area." Said area shall be one hundred fifty (150) percent of the search area radius of the proposed facility, which shall be demonstrated based on radio-frequency information (including field data) and specifications, antenna height, terrain, and proposed telecommunications service. (b) Said scaled map (see (a), above), shall show the location, height, and users of the following: existing, approved, and proposed tower sites and potential collocation sites (e.g. transmission pole corridors, ballfield lighting facilities, steeples, water towers, silos, and other tall structures). (c) A countywide map showing the general location of the applicant's existing facilities and tentative five-year location plan for future facilities. (d) For each existing, approved, and proposed facility mapped under (b), above, a written explanation of why such facility cannot be used. justifiable reasons may include owner rejection. Reasons given that involve inadequate height, inadequate space or structural capacity and radio-frequency interference shall include an explanation of why structural 181 ATTACHMENT 3