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Page 3 of 7 <br /> City of Decatur Zoning Ordinance <br /> November 5, 2009 <br /> 3. Setbacks. <br /> A Wind Energy System shall be set back a distance equal to or greater than its extended <br /> height, measured from the center of its base, to the nearest point on each property line, or a <br /> distance at which sound from the system does not exceed thirty (30dB) decibels at the nearest <br /> point on each property line, whichever distance is greater. <br /> 4. Noise. <br /> a. It shall be a violation of this Section for noise generated by the operation of a Wind <br /> Energy System to exceed a noise level of thirty (30dB) decibels as measured at any <br /> point along the property line. <br /> 5. Location. <br /> a. No Wind Energy Systems shall be erected within the front yard of any use. <br /> b. No part of a Wind Energy System (including blades) shall be located within or over <br /> any utility, water, sewer, or other type of easement. <br /> c. No part of a Wind Energy System (including blades) shall be located within any <br /> required setbacks. <br /> 6. Multiple Wind Energy Systems. <br /> a. Multiple Wind Energy Systems may be allowed if they meet all regulations as required <br /> herein. The Wind Energy System must also maintain a setback from each other equal to <br /> the extended height of the structure. <br /> 7. Rooftop Wind Energy Systems. <br /> a. Wind Energy Systems designed to be installed on top of structures, must meet all <br /> regulations as required herein. <br /> 8. Force Wind Standards. <br /> a. The Wind Energy System must be engineered to withstand wind forces of up to 110 <br /> miles per hour. <br /> 9. Redundant Braking Systems. <br /> a. All Wind Energy Systems shall be equipped with a redundant braking system. This <br /> includes both aerodynamic over speed controls (includes variable pitch, tip, and other <br /> similar systems) and mechanical brakes. Mechanical brakes shall be operated in a fail- <br /> safe mode. Stall regulation shall not be considered a sufficient braking system for over <br /> speed protection. <br /> 10. Removal of abandoned wind systems. <br /> a. Within 180 days of notice that a Wind Energy System is inoperable the owner or <br /> occupant shall restore the Wind Energy System to full operating condition. It shall be a <br /> violation of this Section for any owner or occupant to fail to fully dismantle and remove <br /> a Wind Energy System that has been inoperable in excess of 180 days. The City of <br /> Decatur shall be authorized to remove any Wind Energy System that has been inoperable <br /> in excess of 180 days, at the owner's and/or occupier's expense and the costs of removal <br /> shall be a lien against the property. Removal of the Wind Energy System shall include <br /> removal of: the turbines, any above ground improvements, fencing, all foundations, <br />