Tampa Bay Desalination Plant

Desalination is no easy task. Although the original plant produced some water, the design was deficient, causing costly filters to clog too quickly. After Tampa Bay Water shut down the plant, ACCIONA Agua and its JV partner began to develop a solution that would remediate the facility.


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Project Year: 2005-2007

Type: Other, Water

Firm: ACCIONA Agua

Delivery Method: Design-Build-Operate

RM Clayton WRC Headworks Improvements Design-Build

Collaboration during $53.5 million worth of upgrades at Atlanta’s largest wastewater facility, the RM Clayton Water Reclamation Center, ensured the city’s first line of wastewater treatment defense went uninterrupted throughout construction.


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Project Year: 2015-2016

Type: Wastewater

Firm: Brown and Caldwell, Kiewit

Delivery Method: Fixed-Price Design-Build

Boynton Beach Ion Exchange Resin Plant & East Water Treatment Plant Improvements (FL)

With significant water supplies located on the western side of the city, Boynton Beach had the water it needed, but it needed to move that water from inland to the waterfront, treat it, and combine it with the water from the coastal aquifers.


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Project Year: 2015-2017

Type: Water

Firm: Carollo, CDM Smith, PCL Construction

Delivery Method: Progressive Design-Build

Richmond Wet Weather Storage Facility Design-Build (CA)

Due to the schedule constraint and the desire to have input on design elements, the City elected to use a collaborative delivery approach. Carollo Engineers designed and constructed a wet weather storage system that would be tied in to the main plant influent line just upstream from the wastewater treatment plant.


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Project Year: 2014-2015

Type: Other, Wastewater

Firm: Carollo

Delivery Method: Progressive Design-Build

West Valley Water District Perchlorate Treatment Plant (CA)

In 2016, WVWD opened the nation’s first perchlorate treatment facility to bring clean water directly to ratepayers. WVWD needed to double the amount of water it treated for perchlorate and wanted a system that was energy efficient and did not generate large amounts of solid waste.


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Project Year: 2016-2017

Type: Water

Firm: Carollo, PCL Construction

Delivery Method: Progressive Design-Build

Clifton Water District Micro/Ultrafiltration Water Treatment Facility (CO)

The Clifton Water District decided that progressive design-build would allow them the flexibility to engage in the design, while sequencing the project to work around their existing operations. The District selected the Carollo Design-Build Group, a general partnership between Carollo Engineers, Inc. and PCL Construction, Inc., to assist them with a two-stage procurement process.

510 34 Rd
Clifton, CO 81520

Project Year: 2014-2015

Type: Water

Firm: Carollo, PCL Construction

Delivery Method: Progressive Design-Build

Longmont Wastewater Treatment Plant (CO)

Working closely with the plant operations staff, the Carollo Design-Build Group engineered and constructed a solution that allowed the replacement of existing aeration and clarifiers with minimal disruption to the operation of the facility.

501 East First Ave
Longmont, CO 80501

Project Year: 2014-2015

Type: Wastewater

Firm: Carollo, PCL Construction

Delivery Method: Progressive Design-Build

Bush Brothers & Company Process Water Reclamation Facility (TN)

This project was a textbook example of how a PDB project should evolve, so there were no significant disputes. All challenges were handled in a way that achieved the best possible outcome for BB&C, the project, and the Brown and Caldwell/ Haskell JV.

2615 Rainwater Road
Dandridge, TN 37725

Project Year: 2015-2017

Type: Wastewater

Firm: Brown and Caldwell, Haskell

Delivery Method: Progressive Design-Build

San Antonio Water System Brackish Groundwater Desalination (BGD) Program

5206 Hardy Road
Elmendorf, TX

Project Year: 2013-2017

Type: Water

Firm: Parsons

Delivery Method: Construction Management At-Risk

JB Messerly Water Pollution Control Plant (GA)

WDBC member Parsons was selected to carry out a 46 MGD, $70 million upgrade to the plant via construction management at-risk (CMAR) services to expand, modify, and rehabilitate the facility, and was responsible for the overall construction and financial performance of the project. Improvements to the system maximized use of the existing plan and increased the level of reliability in meeting stringent effluent limits. The capital improvements also helped to ensure that National Pollution Discharge Elimination System (NPDES) permit limits could be reliably met at the discharge from the wastewater plant without unexpected cost increases or time delays and protected surrounding natural and manmade wetlands. Additionally, the Parsons team performed pre-construction phase evaluations to develop a guaranteed maximum price (GMP), which saved the client approximately $8 million.

1810 Doug Barnard Parkway
Augusta, GA 30906

Project Year: 2007-2010

Type: Wastewater

Firm: Parsons

Delivery Method: Construction Management At-Risk

Cauley Creek Reclamation Plant (GA)

Insufficient wastewater capacity was holding up development in Fulton County, GA. Parson’s design-build process enabled the project to be completed in 11 months. Georgia’s first distributed reuse water system is designed to resemble a rustic country estate so it blends with the existing community and it generates water which exceeds quality standards.


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Project Year: 2001-2005

Type: Wastewater

Firm: Parsons

Delivery Method: Fixed-Price Design-Build

Highland Avenue Water Treatment Plant Upgrade (GA)

The City of Augusta chose Parsons to perform the reconstruction phase services to upgrade their water treatment plant using CMAR. Parsons was adept at managing construction challenges. The project beat the cost estimate and exceeded the target of sub-contracts to local, minority, and women-owned businesses.

2835 Central Avenue
Augusta, GA 30909

Project Year: 2000-2001

Type: Water

Firm: Parsons

Delivery Method: Construction Management At-Risk