CDM Smith to bring biosolids improvements to Dallas wastewater system

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CDM Smith Trinity River Biosolids Improvements Rendering

DALLAS, TEXAS, Aug. 25, 2014 -- CDM Smith, a full-service engineering and construction firm, has been recently selected by the Trinity River Authority of Texas (TRA) to design comprehensive biosolids improvements at TRA's 162-million-gallons-per-day (MGD) Central Regional Wastewater System, located in the city of Dallas, Texas.

In addition to new anaerobic digestion and ancillary processes, the project will incorporate thermal hydrolysis to produce biosolids for safe, flexible land application at multiple outlets, with the added possibility of beneficial reuse. CDM Smith is currently implementing a comparable thermal hydrolysis process in Washington, D.C.

CDM Smith will also be providing TRA with owner's advisory services for the construction-management-at-risk (CMAR) delivery of the improvements, helping TRA plan and coordinate its first alternative delivery project. CDM Smith will help to ensure that design activities are coordinated for incorporation of the selected CMAR firm at the 30-percent design, and that the project is ready to transition to construction at the appropriate design stage.

In addition to the improved processing of the biosolids, this enhanced stabilization process will reduce solids volume and optimize disposal options while reducing construction costs and accelerating the project schedule.

See also:

"The growing interest in generating renewable energy from anaerobic digestion"

"CDM Smith projects earn prestigious AAEES Grand Prize awards for innovative solutions"

About CDM Smith

CDM Smith provides lasting and integrated solutions in water, environment, transportation, energy and facilities to public and private clients worldwide. As a full-service engineering and construction firm, we deliver exceptional client service, quality results and enduring value across the entire project life cycle. For more information, visit


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