Concrete Products

NOV 2018

Concrete Products covers the issues that attract producers of ready mixed and manufactured concrete focusing on equipment and material technology, market development and management topics.

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38 • November 2018 FEATURE ENVIRONMENTAL AWARDS EASTERN REGION THIRD PLACE CHANEY ENTERPRISES, LP WAUGH CHAPEL RMC PLANT • GAMBRILLS, MARYLAND Because of its high visibility in the company, steps from the Chaney Enterprises headquarters, the Waugh Chapel Plant is an ideal proving ground for best environmental practices. Team members take a very active role in testing new methods and equipment while maintaining established environmental compliance routines. The latter include daily visual inspections of the site and water treatment systems, plus twice a day recording of process water pH levels. All Chaney Enter- prises employees receive annual environmental training, along with site-specific 'hands on' instruction throughout the year. To reduce environmental impact as much as possible, the Waugh Chapel plant is graded so that all process water ends up in treatment basins and available for recycling in mixer drum washout and concrete batching. Since implementing water recycling policies, staff has dra- matically reduced the volume of process water discharges. The plant uses gray water as much as possible: Pumps in a third settling basin convey water to the drum wash stand pipe and batch plant. Settled water is likewise used for yard dust suppression, aug- menting a vacuum dust collection system curtailing fugitive emissions during truck loading. All waste concrete returned to the Waugh Chapel Plant is delivered directly to a crusher for recycling and reuse. Proximity (< 1,000 feet) to company headquarters keeps the Waugh Chapel Plant at the center of environmental management practices— carbon dioxide-based pH process water adjustment among them. Community out- reach sees plant staff hosting tours for students in all grades. Staff re- views the entire concrete produc- tion cycle, from the aggregate ex- traction to project site delivery.

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