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10-10-16-SWS
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10/7/2016 4:35:58 PM
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BiRd-sAFe Building guidelines 19 <br />“bird sAfety is eAsier <br />to sell when it <br />overlAps with other <br />green strAtegies. <br />slAnted glAss <br />reduces solAr heAt <br />gAin but Also works <br />to effectively reduce <br />bird injuries. fritted <br />glAss reduces heAt <br />gAin, And if it’s 50% <br />you cAn still see <br />through it.” <br />Jeanne Gang, Studio Gang <br />architects, Chicago <br />Courtyards may contain landscaping and confusing internal corners that <br />limit bird escape routes. These areas often allow sudden access by people <br />that flush birds into glass. <br /> Control access to enclosed areas so birds flush away from glass into <br />open areas. <br /> Treat glass with bird-safe materials so birds see and avoid glass. <br />driveways can also cause birds to flush from landscaping into reflective <br />glazing as vehicles approach. <br /> ensure routes of escape for birds that are using landscaping along <br />driveways and access roads. <br /> Take care in routing driveways adjacent to landscaping and reflective <br />glazing. <br />site ventilation grates also present a unexpected danger for birds. <br />an injured bird that falls onto a ventilation grate with large pores can <br />become trapped. <br /> Specify ventilation grates with a porosity no larger than 0.8 inches.13 <br />Cover larger grates with netting. <br /> Never up-light ventilation grates. <br />Rooftop obstacles such as antennas and media equipment can injure <br />or kill birds and should be minimized. in poor weather and bright lighting <br />conditions birds may congregate on and around rooftops. <br /> Co-locate antennas and tall rooftop media equipment to minimize <br />conflicts with birds. <br /> Utilize self-supporting structures that do not require guy wire supports. <br /> avoid up-lighting rooftop antennas and tall equipment, as well as <br />decorative architectural spires. See “Lighting design” pages 24-25. <br />Confusing corners with multiple reflections Birds can fall through grates after hitting windows
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