Source: Charah Solutions Inc., Louisville, Ky. Charah Solutions is preparing to kick off one of the largest contracts in its 35-year history: Excavation of approximately 4.3 million yd.3 of coal combustion residuals impounded across multiple basins of an established Southeast utility account. With an anticipated Q3 2022-2031 horizon, it also stands to be one of the company’s longest projects in duration.
Read MoreMonth: July 2022
Slab, wall material acoustic performance survey proves concrete soundness
Sources: RMC Research & Education Foundation, National Ready Mixed Concrete Association, Alexandria, Va.; CP staff A new report, “Compilation of Acoustics Information for Concrete Construction and Other Materials,” assesses sound transmission class (STC), impact insulation class (IIC) and other ASTM standard-measured metrics driving wall and floor-ceiling assembly acoustic performance. The RMC Research & Education Foundation and National Ready Mixed Concrete…
Read MoreSteelmakers 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.…
Read MoreStaffing giant finds cement mason, concrete finisher recruiters wanting
Source: PeopleReady Skilled Trades, Tacoma, Wash. In the Covid-19 pandemic wake, construction crafts is proving to be one of the segments hardest hit by worker scarcity, according to a new PeopleReady Skilled Trades analysis. From March 2020 to December 2021, four million jobs were open in key skilled trades businesses, more than double the amount of pre-pandemic vacancies.
Read MoreLehigh Cement crews reach Indiana plant construction milestone
Sources: Lehigh Hanson Inc., Irving, Texas; CP staff Lehigh Hanson has marked placement of the final segment of the steel stack abutting a new preheater tower at the Lehigh Cement Mitchell Plant in Indiana. Management, construction team members and local dignitaries assembled July 22 for a ceremonial topping out, complete with American flag unfurling. “We are another step closer to…
Read MoreNRMCA invites “Cost of Returned Concrete” survey participation
Sources: National Ready Mixed Concrete Association, Alexandria, Va.; CP staff The NRMCA Developing Industry Leaders group is gathering producer data to benchmark the industry’s returned concrete transfer and process spend. Compiled figures will inform a “Cost of Returned Concrete Calculator,” posted at www.nrmca.org and equipping users to compare handling process outlays based on industry averages.
Read MoreASTM standard economizes concrete specimen strength testing
Sources: ASTM International, West Conshohocken, Pa. ASTM Committee C09 on Concrete and Concrete Aggregates’ proposed WK82351, New Test Method for Measurement of a Dominant Resonant Mode of a Concrete Specimen, will provide a fast, simple, non-destructive method for measuring strength. It can be performed most anywhere and—pending further data collection, validation and calibrations—stands to benefit stakeholders across a concrete project.
Read MoreCoalition counters push for online union representation voting
Sources: Coalition for a Democratic Workplace, Washington, D.C.; CP staff A new Coalition for a Democratic Workplace (CDW) report, “Online Voting in Union Representation Elections: The Latest Attempt to Eliminate Workers’ Right to Secret Ballots,” highlights the perils of the National Labor Relations Board implementing electronic means for collective bargaining unit members to cast ballots in organizing campaigns. It calls…
Read MoreForta adds concrete pavement intellectual property in TCP, OptiPave deal
Pennsylvania-based synthetic reinforcing fiber specialist Forta Corp. has acquired the TCPavements brand and companion OptiPave software. The manufacturer plans to expand the use of the TCP industrial pavement engineering and jointing methodology, where no more than one wheel or axle loads the same plain concrete slab at any time. Developed in Santiago and applied in 15 countries, the TCPavements/OptiPave technology…
Read MoreXypex CEO offers full-throated view of industry’s bright future
The innovation behind the crystalline waterproofing technology synonymous with Vancouver, B.C.-based Xypex Chemical Corp. is featured in “Concrete Solutions Provided by Admixtures,” an Inside the Blueprint series episode airing this month on Bloomberg News and in syndication after. Producers explore how the technology works deep inside the concrete mass to create a permanent waterproof structure that resists extreme hydrostatic pressure…
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