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Corps of Engineers issues global license for its patented UHPC

Sources: Cor-Tuf, Manassas, Va.; CP staff

Cor-Tuf UHPC has secured a worldwide license for production of U.S. Army Corps of Engineers-patented ultra-high performance concrete, which develops up to 28,000 psi compressive and 2,700 psi tensile strengths. The Corps researched and formulated the product (US patent No. US 8016938 B2) to address the Defense Department’s demand for a strong, resilient material suited to blast- or intrusion-prone personnel and weapons facilities.

Read more: Corps of Engineers issues global license for its patented UHPC

Mixed signals: Commercial project volume vs. overall economy

Sources: Associated Builders and Contractors, Washington, D.C.; CP staff

The Associated Builders and Contractors monthly Construction Backlog Indicator (CBI) of nonresidential building activity expanded to 9.5 months in March 2019, up 0.7 months or 8.8 percent from the prior month, when it stood at 8.8 months and hovered its highest level in series history. 

Read more: Mixed signals: Commercial project volume vs. overall economy

OSHA considers revisiting Lockout/Tagout Standard

Source: Occupational Safety and Health Administration 

OSHA is soliciting input on the use of control circuit-type devices and evolving technology for robotics in manufacturing or production operations with an eye to potential updates for the Control of Hazardous Energy (Lockout/Tagout) standard.

Read more: OSHA considers revisiting Lockout/Tagout Standard

Solidia patents carbon-centric hollow core, pervious, aerated product methods

Sources: Solidia Technologies, Piscataway, N.J.; CP staff

Three recently issued U.S. Patent and Trademark Office patents cover processes and products based on Solidia Technologies’ cement and carbon-curing materials and methods. The U.S. Patents are designated 9,878,951, “Hollow-Core Articles and composite materials, methods of production and uses thereof;” 9,938,189, “Pervious composite materials, methods of production and uses thereof;” and, 9,963,392, “Aerated composite materials, methods of production and uses thereof.”

Read more: Solidia patents carbon-centric hollow core, pervious, aerated product methods

Life cycle-attuned Institute updates Impact Estimator for Buildings

Sources: Athena Sustainable Materials Institute, Ottawa; CP staff

The Athena Institute includes updates for concrete masonry and ready mixed concrete in the just-released version 5.4 whole-building life cycle assessment (LCA) software tool, Impact Estimator for Buildings. The software models any building type at any point in the design stage and eases side by side comparison of material specifications and methods. It also helps users reduce projects’ environmental impact, earn the LCA credit in LEED green building rating system, or report embodied carbon.

Read more: Life cycle-attuned Institute updates Impact Estimator for Buildings