Ken Wilson FAIA, FIIDA, LEED Fellow

Design Principal, Perkins+Willken.wilson@perkinswill.com

Perkins+Will is a 1,500 person architecture and design firm with 22 offices across North American and abroad.

Perkins+Will has been ranked the #1 firm and the #1 green firm in the country by Architect Magazine

Earlier this year, Fast Company rated Perkins+Will as one of the 10 most innovative architecture firms in the world.

Perkins+Will was chosen to design green headquarters offices for the USGBC, the IIDA, ASID, and NCIDQ.

Perkins+Will has also designed offices in the Washington area for the World Wildlife Fund, Greenpeace, Conservation International, Environmental Defense Fund, World Resources Institute, Friends of the Earth, the U.N. Environment Programme, and the Audubon Society.

A Brief Overview

• New Construction• Commercial Interiors• Core & Shell• Existing Buildings• Neighborhood Development• Homes• Retail• Healthcare

LEED Rating Systems

• In use in 120 countries• 1.6 million SF of building space

is LEED certified every day

LEED is the Preeminent Green Building Program

• Beta testing Nov 2012 – Nov 2013 (nearly 100 projects involved)

• Public Comment March 1 – 31• Ballot June 2013• LEED V3 may be used until

June 2015

LEED V4 Schedule

What is Different?

• Holistic performance instead of single attributes

• Whole building metering of water and energy

• Actual emissions vs VOC content

Focus on Performance

• Data Centers• Warehouse & Distribution

Centers• Hospitality• EB Schools• EB Retail

Address New Market Sectors

• 40% of LEED projects are International

• Considered that ability to apply credits internationally

• LEED V4 will be a basis for various regional applications

International Application

• EBOM credits now in 2 sections:

- Establishment (one time events of building)

- Performance (recurring events)

Focus on Ongoing Certification

• Addressed in all categories

Integrative Design Process

Top 5 Changes forCommercial Construction

• Restructured for more lifecycle thinking

• Addresses performance more holistically

• Addresses LCA for human and ecological health

Materials & Resources Changes

• Site credits split in two: Location & Transportation pulled away from other site characteristics.

Location & Transportation Category

• Addresses early analysis of energy and water on the project to inform design.

Integrative Process Credit

• Updated reference standard from ASHRAE 90.1-2007 to ASHRAE 90.1-2010.

• Since 2010 is 19% more stringent, thresholds adjusted from 10% better to 5% better.

Energy

• Two new prerequisites for energy & water metering.

• Two new credits for advanced energy & water metering.

Metering

A full summary of changes for each LEED rating system is

available on the USGBC website:

www.usgbc.org/leed/v4

Thank You