STRATEGIC PRIORITY: Transportation & Infrastructure
AGENDA DATE: September 27, 2023
COUNCIL DISTRICT(S):|910|DEPARTMENT: Water Utilities Department
EXECUTIVE: Kimberly Bizor Tolbert
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SUBJECT
Title
Authorize (1) an increase in appropriations in an amount not to exceed $7,988,083.00 in the Wastewater Construction Fund; and (2) a construction services contract for major maintenance and rehabilitation improvements at the Southside Wastewater Treatment Plant - Crescent Constructors, Inc., lowest responsible bidder of two - Not to exceed $31,297,000.00 - Financing: Wastewater Construction Fund ($29,061,567.00) and Wastewater Capital Improvement F Fund ($2,235,433.00)
Body
BACKGROUND
The City of Dallas owns and operates two wastewater treatment plants with a combined capacity of 280 million gallons per day. The Southside Wastewater Treatment Plant is located in southeast Dallas and is permitted to treat an average annual flow of 110 million gallons of wastewater per day. This action will authorize a construction services contract with Crescent Constructors Inc. for major maintenance and rehabilitation improvements at the Southside Wastewater Treatment Plant. The primary work includes improvements of the sulfur dioxide liquid fill and purge lines, new duct bank and raceway improvements at the chlorine building, and replacement of multi-rake bar screens and washer compactor, odor control biofilter improvements, and rehab of the gravity belt thickeners at the Screening and Thickening Facility. Other work includes the replacement of equipment, piping and valving, appurtenances, structural concrete work, excavation, electrical and instrumentation control systems, and associated improvements throughout the Southside Wastewater Treatment Plant. The proposed improvements will address aging infrastructure and help reduce electrical costs at the plant by taking advantage of newer, more efficient technolog...
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