roofing In Leed - Cool Roof Rating...

ROOFING IN LEED:

v4 RATING SYSTEM UPDATES

Theresa Backhus, PLA, LEED AP BD+C, SITES AP

U.S. Green Building Council

Technical Specialist

[email protected]

Direct: 202.742.3737

CRRC ANNUAL MEMBERSHIP MEETING

JUNE 14, 2017

WHO IS FAMILIAR WITH LEED?

WHO IS FAMILIAR WITH LEED v4?

WHAT HAVE YOU HEARD ABOUT ROOFING IN v4?

WHAT WOULD YOU LIKE TO LEARN MORE ABOUT?

ICEBREAKER

Building Impacts

Platinum

Gold

Silver

Certified

0k 7k1k 2k 3k 4k 5k 6k

CERTIFICATION LEVELS

8k

Number of projects

CERTIFICATION TRENDS

Platinum

Gold

Silver

Certified

PE

RC

EN

T O

F L

EE

D P

RO

JE

CT

S

YEAR

2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%

Homes Multifamily Midrise

Existing Buildings for Retail

Existing Buildings for Schools

Hospitality

Warehouses and Distribution Centers

Data Centers

MARKET SECTOR ADAPTATIONS

LEED v4 SYSTEM GOALS

Greater levels of energy efficiency.

Greater levels of water efficiency.

Better materials selection.

Improved occupant well-being.

More thoughtful design.

LEED v4 drives buildings to be better

Major prerequisite changes

in LEED v4

Energy

• Design and construction projects required to be 14%

better than LEED 2009 (5% better than ASHRAE 90.1-

2010)

• Existing building projects required to have an Energy

Star score of 75 (LEED 2009 requires 69).

• Energy metering required.

Water

• Process water requirements added

• Outdoor water use requirements added to design and

construction

• Water metering required.

Materials

• Construction and demolition waste management plan

required.

Indoor Environmental Quality

• Ventilation standard updated to ASHRAE 62.1-2010.

Outdoor airflow monitoring required for design and

construction projects.

Integrative

Process

Location &

Transportation

INTEGRATIVE PROCESS

Indoor Environmental Quality16%

Location and Transportation

16%

Sustainable Sites10%

Water Efficiency11%

Energy and Atmosphere

34%

Materials and Resources

13%

Emphasizes importance of location-based decisions.

Improves alignment between LEED for Neighborhood

Development and other rating systems.

Focuses on performance and strengthens the linkage

between anticipated outcome and credit achievement.



16%

Sustainable Sites10%Water Efficiency

11%


34%


13%

Encourages integrative process through the new credit

for site assessment.

Incorporates ideas from the Sustainable Sites Initiative.

Simplifies credit requirements, using BUG rating to assess

light pollution and local rainfall records for rainwater

management.

Sustainable Sites

Rainwater ManagementCredit: 3 points

Sustainable Sites

Heat Island Reduction

Credit: 1-2 points

Option 1: Nonroof and roof

Option 2: Parking under cover

ANSI/CRRC S100

Rated Products Directory

Rapid Ratings



16%

Sustainable Sites10%

Water Efficiency11%


34%


13%

Addresses more water uses including fixtures & fittings,

processes, appliances, cooling towers, and landscape

water use.

Focuses on measuring water use through a new water

metering prerequisite and credit.



16%


11%


34%


13%

Adopts ASHRAE 90.1-2010 and requires a 5% improvement

(14% increase over LEED 2009)

For Existing Buildings: ENERGY STAR score raised to 75.

Focuses on measuring energy use through a metering

prerequisite and credit.

Begins to address energy from a community scale in

addition to building-level.


Minimum Energy

PerformancePrerequisite

Intent: To reduce the environmental and

economic harms of excessive energy use

by achieving a minimum level of energy

efficiency for the building and its systems.

Option 1: Whole building energy simulation

Option 2: ASHRAE 50% advanced energy

design guide

Option 3: Advanced Buildings Core

Performance Guide


Demand ResponseCredit: 1-2 points

Intent: To increase participation in demand

response technologies and programs that

make energy generation and distribution

systems more efficient, increase grid

reliability, and reduce greenhouse gas

emissions.

• Encourages projects to design and

install systems necessary to participate

in demand response programs

• New construction and EB: O+M

PEER (Performance Excellence in Electricity Renewal) was

modeled after the LEED green building rating system and bills

itself as the nation’s first comprehensive, consumer-centric,

data-driven system for evaluating power system performance.

A key component of what makes a green

building is the power that supplies it.

LEEDPEER

PEER and LEED


Renewable Energy

ProductionCredit: 1-3 points

Intent: To reduce the environmental harms

associated with fossil fuel energy by

increasing self-supply of renewable energy.

• Use renewable energy systems to

offset project’s energy costs



16%


11%


34%


13%

Life cycle approach to category.

Includes optional whole building

life cycle assessment for new

construction.

Focuses on holistic

environmental performance of

materials through Building

Disclosure and Optimization

credits.


Prerequisites

Storage and Collection of Recyclables

C&D Waste Management Planning

PBT Source Reduction—Mercury (Healthcare)

Credits

Long-Term Commitment (ID+C)

Building Life-Cycle Impact Reduction

Interiors Life-Cycle Impact Reduction (ID+C)

Building Product Disclosure and Optimization—

Environmental Product Declarations

Sourcing of Raw Materials

Material Ingredients

PBT Source Reduction—

Mercury (Healthcare)

Lead, Cadmium, and Copper (Healthcare)

Design for Flexibility (Healthcare)

C&D Waste Management



16%


11%


34%


13%

Indoor Environmental

Quality

Prerequisites:

Minimum Indoor Air Quality Performance

Environmental Tobacco Smoke Control

Minimum Acoustic Performance (Schools)

Credits:

Enhanced Indoor Air Quality Strategies

Low-Emitting Materials

Construction IAQ Management Plan

Indoor Air Quality Assessment

Thermal Comfort

Interior Lighting

Daylight

Quality Views

Acoustic Performance

69

Getting to Certified: The Final 10 Points: - Exemplary Performance- Innovation- Pilot Credits- Regional Priorities

REGIONAL PRIORITY

CREDIT LIBRARY

REFERENCE GUIDE

CREDIT RESOURCES

SAMPLE FORMS

PILOT CREDITS

REGIONAL PRIORITY CREDITS

ADDENDA DATABASE

LEEDUSER

MATERIALS SELECTION

ARC

RESOURCES

CREDIT LIBRARY

REFERENCE GUIDES

Theresa Backhus, PLA, LEED AP BD+C

Technical Specialist

[email protected]

Direct: 202.742.3737

U.S. Green Building Council

2101 L Street NW, Suite 500

Washington, DC 20037

Web: www.usgbc.org

Main: 202.828.7422

mailto:[email protected]

http://www.usgbc.org/

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