STRATEGIC PRIORITY: Transportation & Infrastructure
AGENDA DATE: August 10, 2022
COUNCIL DISTRICT(S): 9
DEPARTMENT: Water Utilities Department
EXECUTIVE: Kimberly Bizor Tolbert
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SUBJECT
Title
Authorize a construction services contract for major maintenance and rehabilitation improvements at Dallas Water Utilities' raw water system facilities located at Lake Ray Hubbard - Archer Western Construction, LLC, only bidder - Not to exceed $32,082,400.00 - Financing: Water Capital Improvement G Fund
Body
BACKGROUND
Dallas Water Utilities (DWU) identified and evaluated 10 raw water facilities based on their age and condition, impact to the system, reliability, cost to operate, and frequency of repairs. The most critical raw water facilities were found to include the lake intake, Forney Pump Station, and Forney Dam at Lake Ray Hubbard. Lake Ray Hubbard is the only DWU reservoir owned and operated by the City of Dallas. The reservoir and associated water supply infrastructure were constructed in the late 1960's and early 1970's and several critical components require rehabilitation and replacement.
This action will authorize a construction contract for major rehabilitation and replacement of infrastructure at Lake Ray Hubbard. Items targeted include traveling screens, sluice gate replacement at the intake, pump and valve replacement, site civil and groundwater monitoring improvements, monorail and bridge crane system improvements, new stop logs and storage building, heating, ventilation, and air conditioning upgrades, and electrical and control improvements for the Forney Dam. The existing facilities have reached the end of their useful life, have limited operability, and are difficult to access and repair.
At the Lake Ray Hubbard Intake, traveling screen #1 will be replaced and traveling screen #2 will be rehabilitated. Existing intake sluice gates, jib cranes, screen wash pumps and stop logs ...
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