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BiRd-sAFe Building guidelines 21 <br />Large expanses of clear exterior glazing do not equate to effective day- <br />lighting for buildings. in fact, over-glazing can contribute to glare, veiling <br />reflections, unwanted heat gain, and also bird collisions. Many strategies <br />used to achieve effective daylighting are compatible with bird safety. <br /> ƒWhere appropriate, daylighting strategies such as exterior shading <br />devices, fritted glass, and diffuse and translucent glass can also help to <br />prevent bird collisions. <br /> ƒin general, the more untreated glass you have, the greater the risk to <br />birds, especially on sites that are in predictable migratory and resident <br />bird areas. <br />ConsideR inteGRAted dAYLiGhtinGConsideR inteRioR And eXteRioR tReAtMent <br />translucent glass can help balance daylighting and prevent bird collisionsAn exterior ceramic framework provides shading and daylighting (new York times) <br />exterior shading or other architectural devices enhance bird safety. <br /> ƒUtilize shading devices, screens, and other physical barriers to reduce <br />reflectivity and birds’ access to glass. <br /> ƒincorporate louvers, awnings, sunshades, light shelves or other exterior <br />shading/shielding devices to reduce reflection and give birds a visual <br />indication of a barrier. <br /> ƒConsider other highly patterned shading/shielding devices that will <br />provide visual cues and encourage bird safety. <br />interior window treatments can provide visual cues for birds and <br />reduce both transparency and reflections. They also help reduce light <br />trespass from buildings. See “Building Operations” page 26. <br /> ƒdesign interior window treatments using light-colored solar reflective <br />blinds or curtains. Partially open blinds during the day. <br /> ƒClose curtains and blinds if evening lighting is utilized. <br /> ƒfor best results, consider photo-sensors, timers and other automatic <br />controls to regulate shading devices, lighting and daylighting. <br />L ee <br />d <br />Coordinate with Leed Credits <br />eQ 8.1 and 8.2 daylight & Views <br />ea 1 Optimize energy Performance <br />WindoW AReA <br />Windows constitute <br />about 25-40 percent <br />of the wall area of <br />effectively designed <br />daylit buildings, an <br />area very similar to <br />the windowed area in <br />non-daylit buildings. 20