Sources: National Heat Safety Coalition; Magid, Romeoville, Ill. The National Heat Safety Coalition’s (NHSC) industrial heat safety recommendations span eight areas that participants cite as key to keeping workers safe: Heat hygiene; Hydration; Heat acclimatization; Environmental monitoring; Physiological monitoring; Body cooling; Textiles and PPE; and, Emergency action plans and implementation.
Read MoreDay: September 7, 2021
Chryso formulates backfill grout to replace bentonite
Sources: Chryso Group, Paris; CP staff In a partnership with tunnel boring machine (TBM) lubricant specialist Condat SA of France, Chryso has developed a backfill grout solution, TBM SGS (Smart Grout System), exhibiting the potential as a substitute for bentonite. A clay that expands when hydrated, bentonite is commonly used in backfill mix designs but brings environmental impacts tied to…
Read MoreFlat hose, wind, lightning guides extend concrete pumping safety
Sources: American Concrete Pumping Associatin, Lewis Center, Ohio; CP staff The American Concrete Pumping Association has released Safety Bulletin: Use of Lay Flat Hose, plus updated Safety Guidelines for Wind Velocity and Lightning. The bulletin illustrates handling guidelines for using lay-flat hoses, which allow for improved flow control and lower placement rates than standard concrete boom tip hoses and suit…
Read MoreConcrete Product Category Rule factors new cement data
Sources: National Ready Mixed Concrete Association, Alexandria, Va.; CP staff In collaboration with the Product Category Rule (PCR) Committee, Michigan auditor NSF International has revised the Concrete PCR to include new life cycle inventory data sources. The revisions inform individual plant or producer, or industry average, environmental product declarations (EPD) for ready mixed and manufactured concrete.
Read MoreHolcim to cut water consumption in concrete, upstream operations
Sources: Holcim AG, Zug, Switerzland; CP stafff Holcim aims to reduce cement, aggregates and ready mixed concrete operations’ respective water intensities by 33 percent, 20 percent and 15 percent through 2030. Applicable to namesake, Lafarge, Aggregate Industries, Lattimore Materials and other North America or overseas brands, the targets are part of a global strategy to become nature-positive by restoring and…
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