McCarthy Building Companies Awarded Solids Process Upgrade for the Central Regional Wastewater System

By: McCarthy Building Companies
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* Mccarthy Building Companies

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* Dallas - Texas - US

* Joint Ventures

DALLAS - Jan. 12, 2016 - PRLog -- McCarthy Building Companies Inc. in a joint venture with Black & Veatch was recently awarded a contract by the Trinity River Authority of Texas for the solids process improvements at the 162-MGD Central Regional Wastewater System in Dallas. The $152 million project, which focuses on overall comprehensive biosolids improvements, will utilize a thermal hydrolysis/anaerobic digestion process to break down biosolids for significant reduction in biosolids quantity leaving the plant with the added potential for beneficial reuse in the future. This anaerobic digestion process will require construction of 3 new digesters and their associated ancillary processes.

“This will be the first plant in Texas to utilize the thermal hydrolysis treatment process, and only the second plant of its kind in the country.  This treatment process will significantly reduce the volume of solid waste produced from the plant, as well as create a more robust methane production, which provides the future opportunity to add a combined heat and power expansion to the plant,” said Tracy Kimnach, project director at McCarthy.

CDM Smith, the engineer for the project, designed a comparable thermal hydrolysis installation in Washington, D.C. This is TRA’s first alternative delivery project. “As the Construction Manager at Risk, our goal is to optimize project delivery by maximizing cost and schedule savings while ensuring the quality is delivered throughout this project,” Kimnach added.

“McCarthy’s team of wastewater specialists bring expertise regarding constructability issues, planning and work sequencing to effectively maintain ongoing plant operations during construction, which allows us to successfully execute this project while working around the complex existing site constraints.”

The anticipated three-year project construction schedule began in December 2015 with completion slated for December 2018.

About McCarthy Building Companies

McCarthy is the nation’s 12th largest domestic general contractor (Engineering News-Record, May 2015) and has a diverse roster of heavy/civil projects across the country. The Water Services and Infrastructure team offersgeneral contracting, construction management, program management and design/build services for wastewater and water treatment projects in Arizona, California, Colorado, Nevada, New Mexico and Texas. The team also covers construction projects in the mining, solar, nuclear and fossil fuels industries. The McCarthy Southwest Division is based in Phoenix. McCarthy also has offices in Newport Beach, San Diego, Sacramento and San Francisco, Calif.; Las Vegas; Albuquerque; Dallas and Houston, Texas; St. Louis and Atlanta.  McCarthy is 100 percent employee-owned.  More information about the company is available at
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