STRATEGIC PRIORITY: Transportation & Infrastructure
AGENDA DATE: June 8, 2022
COUNCIL DISTRICT(S): 2, 14
DEPARTMENT: Water Utilities Department
EXECUTIVE: Kimberly Bizor Tolbert
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SUBJECT
Title
Authorize Supplemental Agreement No. 1 to the professional services contract with Garver, LLC to provide additional engineering services required for developing construction plans and specifications related to storm drainage and water and wastewater main improvements at six locations (list attached to the Agenda Information Sheet) - Not to exceed $199,809.00, from $599,921.00 to $799,730.00 - Financing: Flood Control (D) Fund (2017 General Obligation Bond Funds) ($102,429.00), Water Capital Improvement F Fund ($71,590.00), and Wastewater Capital Improvement G Fund ($25,790.00)
Body
BACKGROUND
On October 23, 2019, City Council authorized a professional services contract with Garver, LLC to provide engineering services required for storm drainage improvements at six different locations including the Gifford-Roanoke area, 1300 and 1301 Munger Boulevard, 3700 Alderson Street, 3215 Homer Street, State Thomas - Flora/Boll to Fairmont and State Thomas - Hallsville/Worthington. The City of Dallas determined that these locations require improvements to provide adequate capacity for the conveyance of storm water flows and to address localized flooding during storm events.
During the design of these projects, additional engineering services beyond the scope of the original contract were determined to be needed. The additional services include construction administration for all six locations, hydrologic and hydraulic modeling, environmental analysis and permitting, and survey/easement preparation for the Gifford-Roanoke Relief System project, and water/wastewater utility improvements for the 3700 Alderson Street, 3215 Homer Street, and State Thomas - Flora/Boll to Fairmont projects. The additional modeling, e...
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