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Concrete Joint Sustainability Initiative names 2015 officers

A coalition of industry institutes and associations representing individuals and companies that design, fabricate, construct, or maintain concrete structures, the Concrete Joint Sustainability Initiative (CJSI) has appointed Lafarge Construction Specialist Julie Buffenbarger as chair, plus Portland Cement Association CEO James Toscas and American Concrete Institute Director of Sustainability and Marketing Kevin Mlutkowski as vice chairs, focusing on advocacy and operations, respectively.

 

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Cement companies score best on carbon, energy in sustainability watchdog audit

An external audit of multinational producers behind the World Business Council for Sustainable Development Cement Sustainability Initiative finds high scores in two of seven key CSI Charter areas: 1) Carbon Dioxide and Energy Management and 2) Fuels and Materials Use. Emissions reduction and resource optimization have netted economic savings, improved waste recovery, and nurtured innovation.

 

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NRMCA certifies five Graniterock plants’ Environmental Product Declarations

17 EPD 150Northern California’s leading independent aggregate and concrete operator, Graniterock, has issued Environmental Product Declarations covering 30 mixes at three central and two transit mixed plants serving Silicon Valley and coastal markets south. National Ready Mixed Concrete Association certified the documents as an EPD Program Operator, adding them to a growing industry library hosted on its website.

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Super Air Meter gauges void spacing, freeze-thaw durability prospects

18 Air ii 150A modified version of the ASTM C231, Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method vessel, the Super Air Meter (SAM) measures air-void spacing and air content of plastic concrete in about 10 minutes. Void spacing has been shown to be a better indicator of freeze-thaw durability than total air content, SAM developers note, but challenging to pinpoint—especially in the fresh concrete.

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Multifamily lender lowers interest rates for LEED-certified projects

As part of its Multifamily Green Initiative, Fannie Mae is granting a 10 basis point reduction in the interest rate of a refinance, acquisition or supplemental mortgage loan for a multifamily property carrying certification or recognition under U.S. Green Building Council LEED, EPA Energy Star or Enterprise Green Communities programs. On a $10 million dollar loan amortizing over 30 years, an owner could save $95,000 in interest payments across a 10-year term based on 3.9 percent versus 4 percent market rate.

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