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Ordinance 883 <br />Page 10 <br />Subd 4 General Standards. The following provisions will apply to all WECS erected <br />under the provisions of this ordinance: <br />a. Rotor Clearance. Blade arcs created by the WECS shall have a minimum of <br />thirty (30) feet of clearance over any structure or tree within a two hundred <br />(200) foot radius and maintain at least twenty (20) feet of clearance between <br />their lowest point and the ground. <br />b. Rotor Safety. Each WECS shall be equipped with both a manual and <br />automatic over speed controls to limit the blade rotation within design <br />specifications. <br />c. Color and Finish. All wind turbines and towers shall be white, pray, or other <br />non -obtrusive color. Finishes shall be matte or non -reflective. <br />d. Tower Access To prevent unauthorized climbing WECS towers must <br />comply with one of the following provisions: <br />1. Tower climbing apparatus shall not be located within twelve (12) feet of <br />the ground. <br />2. A locked anti -climb device shall be installed on the tower. <br />3. Towers capable of being climbed shall be enclosed bV a jocked, <br />protective fence at least six (6) feet high. <br />e. Sions. The place of anv signs, postings or advertisements shall be <br />prohibited. WECS shall have a sign posted at the base of the tower and said <br />shall contain the following information: Warning high voltage, Manufacturer's <br />name Emergency phone number, Emergency shutdown procedures. <br />f. Lighting. WECS shall not have no installed or accessory lighting, unless <br />required by federal or state regulations. <br />g. Electromagnetic Interference. WECS shall be designed and constructed so <br />as not to cause radio and television interference. <br />h. Noise Emission. Have a maximum noise production rating of fifty-five (55) dB <br />fifty (50) dBA and shall conform to this standard under normal operating <br />conditions as measured at any property line. <br />