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Ordinance 2010-010 <br />2. Meeting a green building performance standard such as LEED, <br />B3, EnergyStar, passive design, or other standard at the City's <br />discretion. <br />3. Incorporation of renewable energy features, including solar, wind <br />energy or geothermal systems, into the building or site. This may <br />include using the Army's water treatment process to develop <br />geothermal energy generation capability and/or the use of land and <br />buildings for solar or wind energy generation. <br />4. Energy Efficiency: A minimum of a thirty-five (35%) percent <br />increase in overall building energy efficiency as compared to the <br />Minnesota Energy Code. Energy efficiency is to be defined by the <br />use of purchased (generated or refined at a separate site) or on -site - <br />generated fuels consumed per square foot of occupied space. <br />Calculations can take into account the use of the following: <br />a. On -site generated renewable energy, including photovoltaic, <br />wind, or hydro generation of electricity; passive solar systems using <br />solar heat or light; geothermal source; or other use of renewable <br />fuels displacing the use of non-renewable fuels in the building's <br />systems. <br />b. Efficiency of all building mechanical systems that burn, convert, <br />or transform the energy in natural gas, electricity, oil, coal, steam, or <br />purchased heat or cold in any form. <br />c. Calculations shall not include manufacturing or mechanical <br />processes for which the State of Minnesota has not set a minimum <br />standard. <br />B. Stormwater management. Low -impact development techniques shall <br />be employed within each phase of the PUD Master Plan, to include, but <br />not limited to: <br />1. Use of rain gardens and other methods for bioretention of <br />stormwater runoff. <br />2. Use of bioswales and similar features designed to trap pollutants <br />and silt in runoff. <br />3. Integration of green roofs and roof gardens on buildings where <br />feasible to control rainwater and other benefits. <br />4. Use of pervious pavement for parking areas, walkways, plazas <br />and other paved surfaces. <br />DRAFT: 1/5/2011 <br />Page 46 of 51 <br />