Meeting Today’s Sustainability Challenges: Carbon Footprinting and More…

Ryan Henkensiefken

USC Technologies

National Research Laboratory of U.S. Concrete

Agenda

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Sustainable Development Today

California’s Leadership

The Rise of City Standards

The Dilemma: How do you know if the standards are being met?

The Need for Effective Measurement, Comparison and Certification

A Closer Look

Carbon Calculator

EPD Initiative

Meeting the Challenge

Sustainable Development Today

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Sustainable construction is not a passing fad

Membership in the U.S. Green Building Council has increased from fewer than 100 to over 18,000 in the past decade

Over 155,000 building professionals are LEED certified

Demand for “green building materials” is forecasted to grow at an accelerated rate

LEED Certified Structures

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Source: US Green Building Council

Demand for Sustainable Construction Materials

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California’s Leadership

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The Governor's Green Building Action Plan B-18-12

Highlights:

“State agencies, departments … reduce entity-wide GHG emissions by at least 10% by 2015 and 20% by 2020…”

“All new State buildings and major renovations beginning design after 2025 shall be constructed as Zero Net Energy”

New & major renovated State buildings and build-to-suit leases larger than 10,000 square feet shall obtain LEED ‘silver’ certification or higher …”

“California companies have always been trail

blazers”Dan Geiger

USGBC-NCC

California

The Rise of City Standards

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Sample Standards

Buildings have performance equivalent to an Energy Star rating of at least 60-75

New residential & commercial construction to exceed Title 24 energy efficiency standards

Adopt and implement local green building ordinance of program setting minimum standards

Provide incentives to private developments to meet or exceed specified standards under Build It Green, LEED, or similar

San Francisco – A Closer Look

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San Francisco – A Closer Look

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Source: Rich Chien, IFMA Presentation April 14, 2011

San Francisco – A Closer Look

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Source: Rich Chien, IFMA Presentation April 14, 2011

San Francisco – A Closer Look

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Leading by Example and Achieving Results Named World’s Greenest City by World

Green Building Council

GHG emissions nearly 12% below 1990 levels

Has surpassed international and statewide emissions target

Example: CA requires 50% construction debris be diverted from landfill (recycle/reduce); SF requires 75%

Recently established target: reduce carbon emissions to 20% below 1990 levels by year end, by 80% by 2020

Laguna Honda Hospital, the first hospital in CA to achieve LEED

Silver

The iconic Transamerica building was the first building to comply with SF’s renovation standards

The Need for Effective Measurement, Comparison and Certification

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Deliver insight and certainty

Analyze key characteristics: carbon, water, costs and waste

Measure & report alignment with standards => Carbon Disclosure Project (CDP), Global Reporting Initiatives (GRI), GHG Protocols, Architecture 2030, California standards...

Critical foundation for creating Environmental Product Declarations (EPDs)

Data delivers LEED process clarity

Provide reliable tools for effective decision making

Yields real environmental performance measures

Carbon Accounting Tool

Lifecycle Assessment

LCA

Measurement, Comparison and Certification Tools:

A Closer Look: Carbon Calculator

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The executive dashboard from Climate Earth allows Central Concrete to track the key sustainability metrics that we established up front – GHG and water – both critically strategic to our long-term success.

Example: Measuring Enterprise, Supply Chain and 18,000 Product Mix Combinations

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Sort

Purchased Electricity

Natural Gas

Purchased Electricity

Green GridFuel Oil

Raw Material Supply- Upstream Process

Use Phase

End of Life

Transportation to Construction Site

ADD-MIXTURES

Waste Input

Material Input

Site Generated Bio Based Electricity

Wash Water

Concrete Production: Core ProcessesSite Generated

Renewable Diesel Batch Water

Transportation

+

packaging

grinding  Processing

handling Handle

Sort Clinker production Process

Crush Crush/grind Material Input

Material Input Waste Input VariesQuarry Quarry

SCM WATERNATURAL

AGGREGATECRUSHED

AGGREGATECEMENT

Included

Excluded

LEGEND

One Cubic Yard

Example: Selecting Optimal Products for Your Customer

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Example: Superior Information for the Customer

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Example: Develop and Document Higher Performing Products

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Data provides evidence that U.S. Concrete’s low-CO2 mixes offer superior strength over traditional concrete

Carbon Footprint (pounds/cubic yard)

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Easily understood data provides impactful information on GHG impact

Environmental Product Declarations (EPD)

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Why EPDs?

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Why Bother?

Building owners asking for EPDs

=> Must report your carbon footprint

Required by Architecture 2030

=> Building Challenge

LEED 2012

=> New credits for EPDs

=> New credits for LCA

Product Category Rules (PCPRs) are being developed

=> They will set the protocols for reporting and validating the environmental impacts in the EPD

Allows for Comparisons

Helps Prevent

Meeting The Challenge

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Adopt and make informed decisions via new tools and

methodology

LCA

Use Initiatives to: Establish Sustainability

Initiatives Improve effectiveness Establish completive Respond to shifting

demands Reduce costs Increase revenue Manage risk

Thank you

Ryan Henkensiefken

USC Technologies

National Research Laboratory of U.S. Concrete