STRATEGIC PRIORITY: Transportation & Infrastructure
AGENDA DATE: August 14, 2024
COUNCIL DISTRICT(S): 3, Outside
DEPARTMENT: Water Utilities Department
EXECUTIVE: Dev Rastogi
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SUBJECT
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Authorize Supplemental Agreement No. 5 to the professional services contract with AECOM Technical Services, Inc. f/k/a TCB, Inc., to provide additional engineering services associated with (1) the design of a water transmission main from the Summit Ground Storage Tanks in City of Cedar Hill southeast to Wintergreen Road and along Wintergreen Road east to Old Hickory Trail in City of DeSoto, and (2) the design of a water transmission main along the Madill Railroad Corridor from West Crosby Road in City of Carrollton south to Morgan Parkway in City of Farmers Branch - Not to exceed $6,615,464.00, from $13,263,496.00 to $19,878,960.00 - Financing: Water Capital Improvement F Fund ($2,960,620.50) and Water Capital Improvement G Fund ($3,654,843.50)
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BACKGROUND
Dallas Water Utilities (DWU) has identified the need for water transmission pipeline improvements through the Long-Range Water Supply Plan and the Water Distribution Master Plan. This action will continue the design for two critical water transmission improvements identified in these plans. Both pipelines are being delivered in phases based on funding availability and timing need for additional water capacity. AECOM, f/k/a TCB, Inc. has been the engineer assigned to these projects throughout the planning and development going back to 2007.
The first project is the Southwest Pipeline, a water transmission main to facilitate conveyance of treated water to the South and Southwest portions of Dallas and its customer cities. Installation of approximately 32 miles of 96-inch and 120-inch diameter water transmission pipeline is needed to meet demands associated with population growth as determined through master planning efforts. The overall pipeline is...
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