leed and green building metrics
TRANSCRIPT
LEED and Green Building Metrics
Part I: LEED and Other Systems
Richard S. Szecsy, PhD, PE
President
Texas Aggregates and Concrete Association
Doha, Qatar
October 2, 2012
Sustainability from Two Perspectives
SUSTAINABILITY IN CONCRETE
PRODUCT PROCESS
• Raw materials
• Composite materials
• Recycled content
• Design decisions
• Materials storage
• Manufacturing
• Transportation
• Waste management
Overview
• Why are green metrics
important?
• Rating systems
• LEED
Why is it needed?
• How “green” is “green”?
– We need a metric
– If we cannot manage if we
cannot measure
– So we now have metrics...who
created them?
Different Systems
• The Marketplace will (and did) respond
– US Green Building Council (www.usgbc.org)
– Green Globes (www.greenglobes.org)
– National Green Building Standard (www.nahbgreen.org)
– ENERGY STAR (www.energystar.gov)
– Building Research Establishment Environmental Assessment
Method – BREEAM (www.breeam.org)
– German Sustainable Building Certificate – DGNB (www.dgnb-international.com)
– Estidama (www.estidama.org)
Where is LEED now?
• LEED 1.0 (1998 launch)
• LEED 2.0 (released 2000)
• LEED 2.2 (released 2005)
• LEED 2.3 (released 2009)
• LEED 2012
– (Open for public comment until Dec 10, 2012)
Questions
Richard S. Szecsy, PhD, PE President
Texas Aggregates and Concrete Assoc.
900 Congress
Austin, Texas 78701
214-202-1379 cell
512-451-5100 ofc
www.tx-taca.org