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NRMCA caps first phase of industry-wide Environmental Product Declaration

A representative sampling of energy consumption trends from a coast-to-coast, cross section of producers contributes to the NRMCA LCI Data Collection Summary Statistics, boosting the credibility of an industry-wide EPD for transit or central mixed concrete. The first of two phases in the National Ready Mixed Concrete Association’s development of a standard Environmental Product Declaration (EPD)—aimed at assisting ready mixed producers on projects where customers target certification under the new LEED v4 green building rating system—has produced a survey report and list of participating companies and plants.

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EPD-enabling Product Category Rule for Precast nears release

To support development of Environmental Product Declarations (EPDs) catering to contracts for green building certification candidate projects—especially those targeting the recently released LEED v4—producers and allied groups are finalizing a North American Precast Concrete Product Category Rule (PCR) through program operator ASTM International.

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Oldcastle Precast ships record-length Caltrans girders

OldcastleAs part of California Department of Transportation’s $1.6 billion Santa Ana Freeway (Interstate 5) South Corridor Improvement Project, Oldcastle Precast-Perris is fabricating 158.5-ft. prestressed concrete super girders for the Norwalk-San Antonio Bridge—built in stages entailing placement of seven, four and nine beams. 

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CalStar begins production at two-line, Mississippi masonry plant

CAPTION:The cast stone products are made with CalStar’s proprietary process that incorporates up to 37 percent recycled content and eliminates the need for portland cement; calcium silicate materials, which require energy-intensive autoclaving; or for kiln-firing, typical of traditional clay brick. When measured against portland cement and clay alternatives, each CalStar product requires up to 81 percent less energy to make while emitting up to 84 percent less carbon dioxide.CalStar Products has begun delivering building and landscape units from a 100,000-sq.-ft., Columbus, Miss., operation—an ambitious satellite to a Racine, Wis., flagship plant opened in 2010. With dry- and wet-cast lines for brick, trim and paver products using proprietary binders and high fly ash content, the facility sits on 23 acres in the Golden Triangle Industrial Park.

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Unistress ramps up for $70M, New NY Bridge precast deck contract

CAPTION: Preliminary New NY Bridge contract work has seen Unistress crews run steam lines with actuator valves and power to deck panel casting beds, secure collapsible tent enclosures, and test specimens. Unistress Corp. in Pittsfield, Mass., is investing $6 million in capacity upgrades and adding 100-plus production staff to support the largest contract in its 46-year history: 6,000 precast deck panels, typically 40- x 12-ft., for the New NY Bridge. Upon a scheduled 2018 opening, the 3.1-mile, $3.9-billion Hudson River crossing will replace the Tappan Zee Bridge, linking Westchester and Rockland, N.Y., counties and nearing its 60th year in service.

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