Section 3.48 [excerpts]
This Ordinance is intended to protect the health, safety and welfare of the residents of the Township and to encourage the safe, effective, efficient and orderly development and operation of wind energy resources in the Township while preserving and protecting the character and the stability of residential, agricultural, recreational, commercial, industrial and other areas within the Township.
Adverse Sound Character: Sound that causes building rattle, is impulsive, tonal, or has low-frequency bass rumble.
Ambient is defined as the sound pressure level exceeded 90% of the time over a 96-hour measurement period with daytime/nighttime division.
Lmax (LAmax or LCmax): The maximum dB(A) or dB(C) sound level measured using the “fast response” setting of the sound meter (equivalent to 0.125 second exponential averaging time).
L10 is the noise level exceeded for 10% of the time of the measurement duration. This is often used to give an indication of the upper limit of fluctuating noise, such as that from road traffic.
L90 is the noise level exceeded for 90% of the time of the measurement duration and is commonly used to determine ambient or background noise level.
Utility-Scale (also known as Commercial and Large-Scale) Wind Energy Conversion System: A wind energy conversion system greater than sixty (60) feet in total height (tip height) intended to generate power from wind primarily to supplement the greater electric utility grid. Utility-Scale WECS includes accessory uses such as, but not limited to, SCADA towers, anemometers, or electric substations.
Review Standards for Commercial Wind Energy Conversion Systems (WECS).
Height and Scenic Vista. The maximum height of any Utility-Scale WECS is 500 feet. The height of a WECS is measured from the lowest natural grade at the base of the pole to the highest point of the WECS when a blade is in its vertical orientation.
Abandonment. Any WECS that is not used to produce energy for a period of six (6) successive months or longer shall be deemed to be abandoned and shall be promptly dismantled and removed from the property in accordance with the decommissioning regulations of this ordinance, unless the applicant receives a written extension of that period from the Township Board in a case involving an extended repair schedule for good cause.
Vibrations. Wind turbines shall not create vibrations that are detectable by humans on non-participating properties.
Safety Manual. The Applicant must provide an unredacted copy of the manufacturer’s safety manual for each model of turbine without distribution restraints to be kept at the Township Hall and other locations deemed necessary by Planning Commission or local first responders. The Manual should include standard details for an industrial site such as materials, chemicals, fire, access, safe distances during WECS failure, processes in emergencies, etc.
Noise. Applicant shall provide an initial sound modeling report and, within six (6) months of commencing operation of the WECS, a postconstruction report for the project with a schedule and documentation …
Setback. The minimum setback from any property line of a Non- Participating Landowner or any road right-of-way shall be no less than 2000 feet. The minimum setback from any property line of a Participating Landowner shall be no less than 1640 feet.
Communication Interference. Each WECS and Testing Facilities shall be designed, constructed and operated so as not to cause radio and television or other communication interference. In the event that verified interference is experienced and confirmed by a licensed engineer, the Applicant must produce confirmation that said interference had been resolved to residents! satisfaction within ninety (90) days of receipt of the complaint. Any such complaints shall follow the process stated in Complaint Resolution sections.
Infrastructure Wiring. All electrical connection systems and lines from the WECS to the electrical grid connection shall be located and maintained underground. …
Road Damage. The Contractor shall inform the Bay County Road Commission (BCRC) of all the roads they propose to use as haul routes to each construction site. This shall be done prior to beginning any construction at any site. The identified haul routes shall be videotaped by either the BCRC or Contractor prior to the beginning of construction and after construction has been completed. Upon review of the before and after videos and physical review of each roadway, the BCRC shall determine what damage, if any, was caused by the Contractor! s vehicles. If it is determined damage to the road was caused by the Contractor! s vehicles or activities, the Contractor shall work with the BCRC to determine the extent of the roadway repair needed. This may include, but is not limited to, crush and shaping the roadway, placing additional aggregate, placing a new chip seal surface (two courses minimum), placing a new asphalt surface or a combination thereof. In all cases, the roadway shall be constructed in accordance with the BCRC! s current specifications and requirements associated with the type of roadway to be installed. All costs for said work shall be the responsibility of the Contractor.
Shadow Flicker. No amount of Shadow Flicker may fall on or in a Non-Participating Parcel. … Participant parcels shall not exceed 30 hours of shadow flicker per
Strobe Effect. No amount of Strobe Effect may fall on or in any parcel. Under no circumstances, shall a WECS or Testing Facility produce strobe effect on properties.
Voltage. The Applicant shall be responsible for compensation to residents for property, including livestock, health or other damage by stray voltage caused by a WECS. The Applicant shall demonstrate WECS prohibits stray voltage, surge voltage, and power from entering ground.
Regulation of WECS Commercial and Industrial Noise. To preserve quality of life, peace, and tranquility, and protect the natural quiet of the environment. This ordinance establishes the acoustic baseline, background sound levels for project design purposes, and limits the maximum noise level emissions for commercial and industrial developments. Residents shall be protected from exposure to noise emitted from commercial and industrial development by regulating said noise.
Non-Compliance with Standards. The Township Board reserves the right to require WECS Applicant to shut down any WECS unit that does not meet ordinance requirements until such WECS unit meets ordinance requirements or is removed.
a) No WECS shall generate or permit to be generated audible noise from commercial or industrial permitted facilities that exceeds 45 dBA (Lmax) or 55 dBC (Lmax) (dBC-to-dBA ratio of 10 dB per ANSI standard S12.9 Part 4 Annex D) for any duration, at a property line or any point within any property.
b) No WECS shall generate or permit to be generated from commercial or industrial permitted facilities any acoustic, vibratory, or barometric oscillations in the frequency range of 0.1 to 1 Hz that is detectable at any time and for any duration by confirmed human sensation or exceeds a sound pressure level from 0.1 to 20 Hz of 50 dB(unweighted) re 20 µPA or exceeds an RMS acceleration level of 50 dB(unweighted) re 1 micro-g by instrumentation at a landowner’s property line or at any point within a landowner’s property.
c) No WECS shall generate or permit to be generated from commercial or industrial permitted facilities any vibration in the low-frequency range of 0.1 to 20 Hz, including the 1, 2, 4, 8, and 16 Hertz octave bands that is perceivable by human sensation or exceeds an rms acceleration level of 50 dB(unweighted) re 1 micro-g at any time and for any duration either due to impulsive or periodic excitation of structure or any other mechanism at a landowner’s property line or at any point within landowner’s property.
d) A noise level measurement made in accordance with methods in section “Noise Measurement and Compliance” that is higher than 45 dBA (Lmax) or 55 dBC (Lmax), adjusted for the penalty assessed for a tonal noise condition, shall constitute prima facie evidence of a nuisance.
e) An acoustic, vibratory or barometric measurement documenting oscillations associated to commercial or industrial permitted facilities with levels exceeding the noise limits shall constitute prima facie evidence of a nuisance.
f) All commercial and industrial activity shall comply with limits and restrictions anywhere at any time on another property.
g) Leq 1-sec shall be used for all measurements and modeling.
Noise Measurement and Compliance. …
Wind Energy Conversion System (WECS) Site Plan Review Procedure. …
Economic Impact. …
—Adopted March 25, 2019
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