Under Cemex, NLRB rebrands protocol for union representation proceedings

Sources: National Labor Relations Board; International Brotherhood of Teamsters, Washington, D.C.; CP staff A new National Labor Relations Board framework for determining when employers are required to bargain with unions absent a representation election was announced concurrent with a late-August decision affirming prior agency findings of unfair labor practices by Cemex Construction Materials Pacific LLC. In March 2019, mixer truck…

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Dry flocculent agent removes fines from concrete plant settling basins

Ready mixed concrete plants are recycling process water to attain more sustainable operation and save on discharge costs or the amount of fresh water consumed. As cement fines accumulate in settling vessels, process water becomes less usable in fresh concrete mixes due to limits on the amount of solids that can be present in the makeup water. The solids also present scaling problems in pumps, valves and other fittings in the piping systems that carry recycled water.

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