Animal Advisory CommissionOct. 10, 2022

8 Bird-Safe Building Presentation Dr Chris Sheppard — original pdf

Backup
Thumbnail of the first page of the PDF
Page 1 of 26 pages

Real Birds! We’re focused on overcoming the biggest problems facing birds today. Birds Have Intrinsic and Cultural Value We’re focused on overcoming the biggest problems facing birds today. Birds Contribute Hundreds of Billions in Eco-services Habitat Restoration Pest Control Bird Watching: 40+ Billion Dollar Economic Engine Collisions are not rare We’re focused on overcoming the biggest problems facing birds today. Annual Mortality: North America We’re focused on overcoming the biggest problems facing birds today. Mortality estimate Date of reference Collisions with Buildings/glass 2014 1 billion Cats 2013 2—4 billion Most Collisions are on Homes and Low-rise Buildings, not Highrises We’re focused on overcoming the biggest problems facing birds today. The Bird Activity Zone Mostly Songbirds: migrating at night, colliding by day – WHY? We’re focused on overcoming the biggest problems facing birds today. Look Where You’re Going? What Causes Collisions? Glass or No Glass? We’re focused on overcoming the biggest problems facing birds today. Birds Take What They See Literally Birds Can’t Learn the Concept ‘Glass’ Open Sky vs Cluttered Environment How to Stop Collisions: Get Birds to Swerve By Using Bird-friendly Glass 2 or 3 D signals Proper Spacing -- 2” Visible from 10’ What’s Bird-friendly Glass? Evaluation Method #1: Tunnel Test – ‘active’ signals – Threat Factors Action! Fritted Glass, Surface Coverage 6%, TF= 17 Intuit HQ, Mountain View CA Google’s New Home at Block 185 is Downtown Austin’s Next Signature Tower James Rambin March 26, 2019 Comment Image: Pelli Clarke Pelli Architects / STG Design / Trammell Crow Company Block 185 is an all-star tower. This 35-floor office building by national developer Trammell Crow Company, UV Glass TF= 23 Vassar Bridge Science Building, Poughkeepsie Evaluation Method #2: Compliance with Prescriptive Standard ▪ Simple example: surface 1 etch, maximum gloss level =18 ▪ More complex: Flow Chart Insect Screen (not flush with glass) TF=1 Evaluation Method # 3:Spandrel Glass: visual scale Evaluation Method #4: Computer Models How to Design a Bird-friendly Building Strategies: Incorporate from the beginning ➢ Reduce exposure of glass ➢ Incorporate signals in/on glass ➢ Minimize use of glass Bird-friendly Design overlaps with: solar shading, glare control, distinctive design aesthetic, security, thermal control, energy efficiency and more Legislation, Ordinances and Guidelines We’re focused on overcoming the biggest problems facing birds today. IN PROGRESS Bird-safe Buildings Act, Federal State of California, CalGreen Berkeley Washington, DC DOEE Green Code State of Maryland Canada, standard code for provinces San Francisco, CA: Standards for Bird-safe Buildings Oakland, CA: Bird Safety Measures Alameda, Santa Cruz, San Jose, CA Menlo Park, Emeryville, CA Sunnyvale, CA: Standards for Bird-safe Buildings Palo Alto , Richmond, CA Minnesota: Buildings, Benchmarks and Beyond Madison, WI Cook County, Barrington, Chicago, Evanston, Highland Pk. IL Howard Country, MD Toronto, Canada: Bird-friendly Development Standards Ontario, Canada: Environmental Protection Act, Species at Risk Act Markham, Ontario Portland, OR Calgary, Canada Arlington, VA New York, New York Resources: abcbirds.org birdsmartglass.org https://abcbirds.org/threat-factor-table