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AltemaMve Ene►pf'Syshms O►dMonce P/m�nMg Commisslon Recommendalion AHemaNve Ene�9Y��OraNnance P/a�Mng�Commlu(on RecommendaHon Sepfembe�21.2a0➢ Sepiember2i,2009 24-404 Ground source heat pump systema (e)Abandonmera. If the ground sowce heat pump system remains nonfunctional or inoperative for a continuous period of one year,the system shall be deemed to be abandonad and shall (a)Zoning disdicts. Ground source heat pump systems in accordance with the standards in �n��u a p�blic nuisance.The owner shall remove the abandoned systetn at the'u expense this section are allowed as a permitted accessory use in all zoning disiricts. after a demolition pennit hes b�n obtained'm accordance with the following: (b)Standards. (1)The heatpump and any external mechanical equipment shall be removed. (1)System requirements. (2)Pipes or coils below the land surface shall be filled with grout to displace the heat a. Only ciosed loop ground source heat pump systems utilizing heat transfer fluids as t�ansfer fluid. The heat transfer fluid shall be captured and disposed of in accordance defined in Section 24403 are permitted.Open loop ground source heat pump with applicable regulations.The top of the pipe,coil or boring shall be uncovered and systems are not permitted, grouted. b. Ground source heat pwnp systems in public waters may be permitted as an (3)Lake ground source heat pump systems shall be completely removed from the bottom interim conditional use in accordance with Section 24-407 subject to approval of the body of water. from the Minnesota Departrnent of Natural Resources and subject to written consem of all properly owners and/or approval by an association in accordance (� Pe+�r+ts. A building permit end interim conditional use pemit,if required,sha(1 be obtained with its adopted bylaws. for any�ound source 6eat pump system prior to installation.Borings for vertical systems are subject to approval from the Minnesota Department of Public Health. c. Ground soutce heat pump systems in water bodies owned or managed by the CiTy of Woodbury are not penniued. 24-405 Wind energy systems. (2)Setbacks. (a)Zoning districts. Residential wind turbines in accordance with the standards in this a. All components of grotmd source heat pump systems including pumps,borings section are permitted accessory uses on lots at least 3 acres in size in the R-1,Urban Reserve, and loops shall be set back at least 5 feet from interior side lot lines and at least 10 and the R-2,Rural Estate;on lots at least 20 acres in siu in the R-4,Urban Residential zoning feet from rear lot lines. districts;and on lots at least 1.5 acres in size in ihe B-2,General Business,and the I-1,Light Industrial provided the lot does not abut a residential zoning district.Wind energy systems are b. Abov�ground equipment associated with ground source heat pumps shall not be not petmitted ici any other zoning disficts. installed in the front yard of any lot or the side yard of a corner lot adjacent to a public right-of-way and shall mcet all required setbacks for the applicable zoning (b)Stnndards. district. (1)Num6er. No more than one wind energy system is permitted per parcel. (3)Easements. Ground source heat pump systems sha]I not encroach on public drainage, utility madway or ttail easements. (2)Height. In the R-1,Urban Reserve,zoning district,a maximum hub height of 60 feet is allowed as a permitted accessory use;additional height,up to 120 feet in total (4)Noise. Ground source heat pump systems shall comply with Minnesota Pollution height,may be permitted as an interim conditional use in accotdance wiU�Section 24- Control Agency standards outlined in Minnesota Rules Chapter 7030. 207. In the R-2,Rural Fstate,R-4,Urban Residentiai,B-2,General Business,and I-1,Light Industrial zoning districts,a maacimum hub height of 45 feet is allowed as a (5)Screening. Ground source heat pwnps are considered mechanical equipment and Pem�itted accessory use. Additional height,up to 75 feet in total height,may be subject to the requirements of Section 24-307(ax10). permitted as an iMerim conditional use in accordance with Section 24207. (6)Deviations. Any deviation from t6e required stsndardy of ffiis ordinance may be (3)Blade Jength. A maximum blade length of 15 feet is permitted. permitted through an interim conditional use permit in accordance with SecHon 24-407. (4)Roojmounting. Roof mounted wind turbines are not permitted. (d)Safety. Ground source heat pumps shall be certified by Underwriters Laboretories,Inc. and maet the requirements of the State Building Code. (5)Setbacks. The base of the wind turbine tower shall be set back from all property tines a distance equal to the hub height. Wind energ,y systems shall not be installed in the 4 5