PILLAR: Sustainable
AGENDA DATE: February 11, 2026
COUNCIL DISTRICT(S): Citywide
DEPARTMENT: Dallas Water Utilities Department
PRIORITY: Infrastructure
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SUBJECT
Title
Authorize an increase in the construction services contract with BAR Constructors Inc. for additional work to include the installation of an alignment for the by-pass line, supportive work for the rehabilitation of two existing clarifier pipelines, critical repairs to the odor control pipeline at the Dallas headworks building, and the installation of a junction box and manholes to connect two existing pipelines associated with the Central Wastewater Treatment Plant Headworks and Primary Clarifiers Improvement Project - Not to exceed $1,421,849.94, from $50,432,956.25 to $51,854,806.19 - Financing: Wastewater Construction Fund
*In alignment with Water and Wastewater Capital Improvement Program.
Body
BACKGROUND
The City of Dallas owns and operates two wastewater treatment plants with a combined treatment capacity of 280 million gallons per day. Central Wastewater Treatment Plant (CWWTP) is the largest of the two plants, located just south of downtown. The treatment facility is divided into two plants, the Dallas Plant and the White Rock Plant.
On May 10, 2023, the City Council authorized a construction services contract with BAR Constructors, Inc. for headworks and primary clarifier improvements at the CWWTP. Primary Clarifiers A and B were originally constructed in the 1930's and 1940's and were experiencing severe deterioration of the concrete structure and associated equipment due to corrosion. The proposed improvements are addressing deteriorated infrastructure and increasing the capacity of the Dallas Plant Primary Clarifiers by 20 million gallons per day.
On September 24, 2025, the City Council authorized an increase to the construction services contract to complete necessary improvements to the existing Sulfur Dioxid...
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