1. Using Green Building Rating Systems Don Horn Director of Sustainable Design Office of Applied Science U.S. General Services Administration Public Buildings Service

2. Sustainable Building Rating Systems tools that examine the performance or expected performance of a ‘whole building’ translate that examination into an overall assessment allowing comparison between buildings

3. Identification Literature reviews Internet searches Presentations Publicly available information January – April 2006 23 Unique 34 Examined 150 Identified

4. Screening Analysis Relevance Measurability Applicability Availability 5 23 Unique 34 Examined 150 Identified

5. Rating Systems after Screening BREEAM - Building Research Establishment’s Environmental Assessment Method CASBEE – Comprehensive Assessment System for Building Environmental Efficiency GBTool Green Globes™ US LEED ® – Leadership in Energy and Environmental Design

6. GSA Drivers for Sustainable Design Federal Leadership in High Performance and Sustainable Buildings MOU Energy Policy Act of 2005 OMB Circular A-11, Section 55 Executive Orders GSA Mission, Values, Priorities GSA Sustainable Design Program Goals

7. Review Criteria Applicability Type of Projects Type of Buildings

8. Review Criteria Applicability Development System Management Development Approach Openness of Operations Transparency of Rating System

9. Review Criteria Applicability Development Usability Cost Ease of Use Product support

10. Review Criteria Applicability Development Usability System Maturity System Age Number of Buildings Stability of System

11. Review Criteria Applicability Development Usability System Maturity Technical Content Relevance to Sustainability Thoroughness Measurement comparison

12. Review Criteria Applicability Development Usability System Maturity Technical Content Measurability & Verification Standardization Quantification Certification/ Verification Process Documentation Verifiable/Defendable

13. Review Criteria Applicability Development Usability System Maturity Technical Content Measurability & Verification Communicability Clarity Versatility Comparability Results Usability

14. Summary GSA needs: –A system that is applicable to the large scale and complexity of federal building projects. –A stable rating system such that the evaluation of building performance is not subject to drastic change. –A system which tracks quantifiable achievements in sustainable design and is third party verified by a qualified assessor. –A system used in the current market with practitioner awareness.

15. 2002200620052004 2003 SSA Building, Woodlawn, MD (NC2-O-02) U.S. Courthouse, Youngstown, OH (NC2-O-02) SSA Child Care Center, Woodlawn, MD (NC2-O-03) EPA New England Regional Laboratory, Chelmsford, MA (NC1-L-03) EPA Science & Technology Center, Kansas City, KS (NC2-L-03) DOT Office Building, Lakewood, CO (NC2-L-04) U.S. Border Station, Sweetgrass, MT (NC2-O-05) Scowcroft Building (IRS), Ogden, UT (NC2-L-05) OSHA Salt Lake Technical Center, Sandy, UT (NC2-L-05) EPA Computer Center, Research Triangle Park, NC (NC2-L-05) NPS Midwest Regional Headquarters, Omaha, NE (NC2-L-05) Metzenbaum Courthouse, Cleveland OH (NC2-O-06) Potomac Yards I, Arlington, VA (NC2-L-06) Potomac Yards II, Arlington, VA (NC2-L-06) Byron Rogers Courthouse, Denver, CO (EB1.0-O-06) DHS/CIS Omaha, NE (NC2.0-L-06) DHS/CIS Lincoln, NE (NC2.0-L-06) 2007 Duncan Building Knoxville, TN (EB2.0-O-07) W.L.Morse Courthouse, Eugene, OR (NC2-O-06)

16. Don Horn, AIA 202-302-7653 donald.horn@gsa.gov www.gsa.gov/green

17. BREEAM

18. GBTool

19. CASBEE

20. Green Globes US

21. LEED