a local law that requires newly constructed or altered buildings to utilize bird-friendly building materials in accordance with sections 1403.8.1 through 1403.8.4.
Bird-friendly materials are defined as materials that have “been treated to have a maximum threat factor of 25 in accordance with the American Bird Conservancy Bird Collision Deterrence Material Threat Factor Reference Standard, or with the American Bird Conservancy Bird-friendly Materials Evaluation Program at Carnegie Museum’s Avian Research Center test protocol, or with a relevant ASTM standard.”
The exterior wall envelope, or any associated opening installed adjacent to a green roof, must be constructed with bird-friendly materials up to 75 feet (22,860 mm) above grade.
“Materials other than bird friendly materials shall not exceed an aggregate of 10 square feet (0.93 m²) within any 10 feet (3,048 mm) by 10 feet (3,048 mm) square area of exterior wall below 75 feet (22,860 mm) above grade.”
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