STRATEGIC PRIORITY: Transportation & Infrastructure
AGENDA DATE: September 25, 2024
COUNCIL DISTRICT(S): Outside City Limits
DEPARTMENT: Water Utilities Department
EXECUTIVE: Dev Rastogi
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SUBJECT
Title
Authorize Supplemental Agreement No. 7 to the professional services contract with Black & Veatch Corporation for additional engineering services associated with water quality improvements at the East Side Water Treatment Plant - Not to exceed $1,949,796.00, from $23,920,885.00 to $25,870,681.00 - Financing: Water Capital Improvement G Fund
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BACKGROUND
Dallas Water Utilities (DWU) provides water to approximately 2.6 million residents in the City of Dallas and neighboring communities. DWU operates three (3) potable water treatment plants: Bachman, Elm Fork, and East Side. The combined treatment capacity of these facilities is nearly 900 million gallons per day (MGD). East Side Water Treatment Plant is the largest water treatment plant in the system.
In June 2006, DWU initiated a two-part study to investigate water quality concerns and provide recommendations to improve water quality and stability. The study and requisite testing confirmed that the treated water chemically changes as it moves through the distribution system. The resulting Water Quality Report recommended the implementation of enhanced organic removal at all three water treatment plants including enhanced coagulation and biological filtration. Black & Veatch Corporation was selected based on qualifications to perform engineering and design services at the East Side Water Treatment Plant for the implementation of recommended water quality improvements.
The initial professional services contract was approved by City Council on June 23, 2010 and was anticipated to be supplemented as work progresses to ensure a targeted approach. Projects that have been completed include the Flocculation and Sedimentation Basin Improvements (...
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