STRATEGIC PRIORITY: Transportation & Infrastructure
AGENDA DATE: November 13, 2024
COUNCIL DISTRICT(S): Outside City Limits
DEPARTMENT: Dallas Water Utilities Department
EXECUTIVE: Dev Rastogi
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SUBJECT
Title
Authorize a Construction Manager-at-Risk Agreement to provide pre-construction and construction services for the Elm Fork Water Treatment Plant Water Quality Improvements Program - Archer Western Construction, LLC, best value proposer of three - Not to exceed $4,087,120.00 - Financing: Water Capital Improvement G Fund ($4,000,000.00) and Water Capital Improvement F Fund ($87,120.00)
Body
BACKGROUND
The Elm Fork Water Treatment Plant (EFWTP) located in Carrollton, Texas was originally constructed in the 1950s and is the second largest of three water treatment plants serving Dallas Water Utilities (DWU) customers. In 2006, DWU commissioned a Water Quality Study that included the evaluation of finished water quality at each of its three water treatment plants. The recommendations included the implementation of biologically active filtration at each plant. DWU has successfully executed the implementation of these improvements at the East Side and Bachman Water Treatment Plants and is working to implement improvements at the EFWTP. The next steps include construction of a new filter complex and sedimentation basins, yard piping and two elevated storage tanks, pre-sedimentation basins and plant influent improvements, electrical improvements, chemical improvements, and decommissioning of phased out facilities to convert treatment operations, improve finished water quality, address hydraulic limitations, and replace existing infrastructure at the end of its useful life.
DWU evaluated delivery methods for the EFWTP Water Quality Improvements (WQI) Program and determined a CMAR to be the best approach based on management of the overall schedule, allowing assets to be placed in service sooner, ...
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