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NPCA to resume audits for precast plant certification

Source: National Precast Concrete Association, Carmel, Ind.

After a nearly four-month, pandemic-spurred hiatus, National Precast Concrete Association Plant Certification resumes July 6, the Quality Assurance/Quality Control Committee modifying the program to allow for virtual and in-plant audits through the remainder of 2020. All annual renewal audits, regardless of method, will be unannounced and scored against the current NPCA Quality Control Manual for Plant Certification grading schedule.

Read more: NPCA to resume audits for precast plant certification

Liebherr engineers invite small orders with self-service batch plant

Sources: Liebherr-Mischtechnik GmbH, Germany; CP staff

Virginia-based Liebherr USA's parent company plans a global launch this summer of an automated batch plant tailored to small professional or do-it-yourself project customers. With output at about 35 yd./hour, the model will be equipped for adjustable height discharge of .20- to 2.5-yd. loads in small trailers or larger vehicles, including conventional mixer trucks. 

Read more: Liebherr engineers invite small orders with self-service batch plant

ICPI postpones Hardscape North America

Source: Interlocking Concrete Pavement Institute, Chantilly, Va.

Due to concerns and uncertainties surrounding the pandemic, the Interlocking Concrete Pavement Institute will delay this year's Hardscape North America show, scheduled October 21-23 at the Kentucky Exposition Center, Louisville, until October 2021. Continuing an arrangement of recent years, 2021 Hardscape NA will co-locate with the Outdoor Power Equipment Institute-led GIE+EXPO, organizers of which recently affirmed commitment to staging a 2020 show.

Read more: ICPI postpones Hardscape North America

NOx, PM levels dive in latest EPA air quality report

Sources: U.S. Environmental Protection Agency; CP staff 

The federal government's latest annual report on air quality trends, “Our Nation’s Air – EPA Celebrates 50 Years!,” documents pollution reduction progress from 1970-2019, emphasizing gains during the last few years. The combined emissions of Environmental Protection Agency-designated criteria pollutants and their precursors dropped 7 percent from 2017 to 2019. That metric reflects three-year declines in the emissions levels of nitrogen oxides, -10 percent; particulate matter 2.5, -1 percent; sulfur dioxide, -16 percent; carbon monoxide, -6 percent; and, volatile organic compounds, -3 percent. 

Read more: NOx, PM levels dive in latest EPA air quality report

CalPortland blended cement series clips carbon dioxide load

Sources: CalPortland Co., Glendora, Calif.; CP staff

The two charter offerings in a new CalPortland line of blended portland-limestone cements (PLC) have an embodied carbon level about 10 percent below that of common ASTM C 150 materials. ADVANCEMENT LT (Light) is a lighter colored, higher albedo Type IL PLC suiting concrete in design and architectural conditions. ADVANCEMENT HS (High Sulfate) is formulated for general use concrete or when high sulfate resistance is required. 

Read more: CalPortland blended cement series clips carbon dioxide load