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All commercial turbine projects shall be equipped with manual and automatic controls to limit rotation of blades to a speed below the designed limits of the turbine. The professional engineer must certify that the rotor and over-speed control design and fabrication conform to applicable design standards. No changes or alterations from certified design shall be permitted unless accompanied by a professional engineer’s statement of certification. Residential wind turbines shall have a tail furling mechanism that rotates the blades out of the wind and prevents the blades from rotating too fast in high winds.
(Ord. 30.2, passed 9-10-2018)