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Feds’ Apprenticeship task force light on contractor representation

Sources: U.S. Department of Labor; Associated Builders & Contractors, Washington, D.C.; CP staff

Labor Secretary Alexander Acosta has appointed ABC President Mike Bellaman to the Task Force on Apprenticeship Expansion, stemming from an executive order President Donald Trump issued earlier this year with an eye to strengthening the U.S. labor force.

Read more: Feds’ Apprenticeship task force light on contractor representation

Plant disruptions, strong demand tax supply of Vinsol, key AE admixture component

Sources: Pinova Inc., Brunswick, Ga.; CP staff

A convergence of routine market and rare natural forces could compel concrete producers using Vinsol resin-based admixtures to convert their mix designs to ones bearing alternative products meeting ASTM C260, Standard Specification for Air-Entraining Admixtures for Concrete requirements. Between this fall and much of 2018, producers will likely confront tight supplies of Vinsol-type air-entraining admixtures as the resin's sole supplier addresses capacity and inventory challenges.

Read more: Plant disruptions, strong demand tax supply of Vinsol, key AE admixture component

Lehigh Hanson parent subtracts carbon, accidents in new sustainability equation

Sources: HeidelbergCement AG, Germany; CP staff

HeidelbergCement has added a decade to the horizon of its Sustainability Ambitions 2020 program, whose six-point successor centers on reducing carbon dioxide emissions 30 percent from 1990 levels; steering 80 percent of the research & development budget to sustainable products; increasing natural resource substitution with by-products or recycled materials; and, eliminating lost-time accidents.

Read more: Lehigh Hanson parent subtracts carbon, accidents in new sustainability equation

Charah, rail services partner bring Mile High City new fly ash source

Sources: Charah LLC, Louisville, Ky.; CP staff

Charah has opened a fly ash storage terminal in Kelim, Colo., north of Denver, in partnership with Great Western Railway of Colorado operator and rail-to-truck transloading services provider OmniTRAX. Geared to Rocky Mountain States concrete producers, the facility joins the Charah MultiSource Class C and Class F fly ash distribution network, whose recent expansion has also seen new terminals in California, the Midwest, New England and the South.

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Park Service contractor deploys vacuum lifting for new White House steps

Sources: Vacuworx, Tulsa, Okla.; CP staff

The National Park Service’s Frederick, Md.-based Historic Preservation Training Center (HPTC) deployed a Vacuworx lifting system to set 46 new Missouri limestone slabs, topping out at 2,400 lbs., during the recent White House South Portico stairway reconstruction. The diesel-powered device pulls a vacuum between lifting pads and objects to be placed, securing a positive seal.

Read more: Park Service contractor deploys vacuum lifting for new White House steps