Report pegs C-I-P concrete, precast, steel site productivity disparities

Sources: Dodge Construction Network, Hamilton, N.J.; Versatile, Los Altos, Calif.; CP staff A new report from Dodge Construction Network and Versatile, Silicon Valley construction technology developer, finds that using data-backed measurements and benchmarks is the most effective way to advance site organization efforts for cast-in-place concrete, precast or structural steel work. Such efforts maximize utilization of the crane, an expensive…

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Engineering giant Arup to eye cement projects through Climate Bonds lens

Sources: Arup and Climate Bonds Initiative, London; CP staff The Climate Bonds Standard Board has certified global built environment engineering consultant Arup as an Approved Verifier. Arup Advisory Services team members will participate in a Climate Bonds Initiative industry group to finalize criteria for cement, steel and hydrogen projects viewed as key to a carbon-free economy transition. They will likewise…

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Steelmakers delineate low vs. high CO2 emissions production methods

Sources: Steel Manufacturers Association, Washington, D.C.; CP staff A Steel Manufacturers Association (SMA) study concludes that the output of electric arc furnace (EAF) steelmakers in the U.S. has a carbon intensity approximately 75 percent lower than that of peers running traditional, coal-fueled blast furnaces. Large operations deploy the latter to melt raw materials into iron, then process it into steel.…

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Public, private stakeholders pen global standard for embodied carbon

The World Resources Institute in Washington, D.C. has granted preliminary approval of the “Sector Supplement for Measuring and Accounting for Embodied Emissions in the Built Environment” as the document is in process of attaining the Built on GHG Protocol Mark. Once finalized, the Supplement will be available at https://ghgprotocol.org/Guidance-Built-on-GHG-Protocol. Concrete, steel, glass, wood and flooring materials have an impact that…

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Nucor to add net-zero steel option to Harris Rebar stock

Sources: Nucor Corp., Charlotte, N.C.; CP staff Nucor will make a new net-zero carbon steel available in 2022 across its product lines, including bar sold through concrete reinforcement fabrication, distribution and installation subsidiaries Harris Rebar and Harris Supply Solutions. The net-zero billing reflects the absence or offsetting of carbon dioxide emissions as measured in Environmental Protection Agency-designated Scope 1 (production)…

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ASTM steel committee weighs standard on galvanized post tensioning strand

Sources: ASTM International, West Conshohocken, Pa.; CP staff

ASTM Committee A01 on Steel, Stainless Steel and Related Alloys (A01) is eyeing a standard aimed at improving durability of strand used in (PT) post tension or bridge stay cable applications, principally through galvanized-product test methods. The proposed document would help gauge corrosion potential and a structure’s durability throughout its life cycle.

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Contractors paint dire jobs, cost consequences in steel, aluminum tariff aftermath

Sources: Associated General Contractors of America, Washington, D.C.; CP staff

Responding to President Donald Trump’s March 8 order applying respective 25 percent and 10 percent tariffs to steel and aluminum imports from countries outside the NAFTA region, AGC CEO Stephen Sandherr noted: “These tariffs will cause significant harm to the nation’s construction industry, put tens of thousands of high-paying construction jobs at risk, undermine the President’s proposed infrastructure initiative and potentially dampen demand for new construction.

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Tech think tank: ‘Innovation Infrastructure’ investment vs. concrete and steel

A traditional infrastructure plan that invests in roads and bridges could increase employment in the short term, but the Trump administration and new Congress should also focus on the building blocks of innovation, such as research & development and technology-enabled “smart” public works because they can support a more robust economy long term, contends the Information and Technology Innovation Foundation (ITIF), Washington, D.C.

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