STRATEGIC PRIORITY: Mobility Solutions, Infrastructure, and Sustainability
AGENDA DATE: January 12, 2022
COUNCIL DISTRICT(S): 2, 7, 14
DEPARTMENT: Water Utilities Department
EXECUTIVE: Majed Al-Ghafry
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SUBJECT
Title
Authorize Supplemental Agreement No. 1 to the professional services contract with Black & Veatch Corporation for additional construction management services associated with the construction of the Mill Creek/Peaks Branch/State-Thomas Drainage Relief Tunnel Project - Not to exceed $6,994,000.00, from $19,800,000.00 to $26,794,000.00 - Financing: Flood Protection & Storm Drainage Facilities Fund (2006 General Obligation Bond Funds)
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BACKGROUND
On June 15, 2016, City Council authorized a professional services contract with Black & Veatch Corporation for support services associated with construction document updates and construction management services for the Mill Creek/Peaks Branch/State-Thomas Drainage Relief Tunnel Project. The project was awarded for construction on February 14, 2018 and is currently under construction with an anticipated completion in fall 2024. This project includes a deep underground storm drainage tunnel that will provide drainage and flooding relief to the lower areas of the Mill Creek watershed (around Baylor Hospital), Peaks Branch watershed (south of Buckner Park), East Peaks Branch watershed (around Fair Park area), and the Woodall Rodgers and State-Thomas area.
The drainage relief project consists of approximately five miles of 30 and 35-foot diameter storm drainage tunnel that is between 75 and 150 feet deep. It also includes an outfall structure near White Rock Creek and five intake shafts that will connect to existing storm drainage systems and collect overland floodwaters during heavy rain events as well as street and surface drainage improvements at the intake and outfall sites. Construction of the tunnel utilizes a boring machine and requi...
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