Item 22 - Pipeline Relocation Projects relating to TxDOT IH-35 Project — original pdf

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IH-35 Cap Ex Project Impacts to Austin Water Infrastructure Water and Wastewater Commission November 10, 2026 Transportation Agencies with Active Projects  Texas Department of Transportation (TxDOT)  Central Texas Regional Mobility Authority (CTRMA)  Capital Metro  Travis County  Williamson County 2 Timeline of Projects Agency identifies Roadway Project Agency prepares roadway schematics and utility conflicts are identified Coordination to define specific scope of Utility Work Austin Water and Agency Negotiate and Finalize Agreement Utility Work and Roadway Improvements are constructed TYPES OF UTILITY AGREEMENTS SUA Standard Utility Agreement ILA Interlocal Agreement AFA Advanced Funding Agreement JUA Joint Use Agreement 3 Right Of Way 4 IH-35 Project Overview  TxDOT’s IH-35 CapEx expansion is comprised of three main sections (North, Central, and South), spanning approximately 26 miles  Estimated total construction cost is $6 Billion.  TxDOT contractor started overall construction on IH-35 CapEx in May 2025. 5 IH-35 Project Overview & Objectives Existing - Holly Street under I-35 overpass. Proposed Expansion - Holly Street bridge over I-35. 6 IH-35 Project Overview - Relocations Water Relocations – Approx. 130,000 linear feet South → North Wastewater Relocations – Approx. 35,000 linear feet South → North 7 Previous AFAs Associated With IH-35  3212.160 IH-35 CapEx South – IH35 South limits SH 71/Ben White to SH 45 South In Construction Approved October 2021  3212.163 IH-35 CapEx North – SH 45 North to US 290 Approved October 2021  3212.162 IH-35 CapEx Central LBL Holly Street to SH 71/Ben White Blvd Approved October 2023 In Construction In Construction  3212.204 IH-35 CapEx Central UTAC – Martin Luther King Blvd. to US290 Pre-Construction Approved May 2026 8 Previous AFAs Associated With IH-35 3212.162 CapEx Central LBL WL and vale install 3212.163 CapEx North Jack and bore install 3212.162 CapEx Central LBL Bypass pumping 3212.160 CapEx South Trenching 3212.163 CapEx North WL trenching 9 Overview of Commission Items  3212.205 - Relocation of existing lines in conflict with I-35 Downtown Project  Commission Item #14 - $9,104,119  3212.203 - Relocation of existing lines in conflict with I-35 Roadway Project Packages 1 & 2  Commission Item #15 - $10,177,475  3212.202 - Relocation of existing lines in conflict with I-35 Downtown Project Packages 3, 4, & 7  Commission Item #16 - $20,497,444  3212.200 - Relocation of existing lines in conflict with I-35 Roadway Project Packages 5 & 6  Commission Item #17 - $11,193,227 10 Commission Item #14 SPID 3212.205 Scope : • 25,000 linear feet of water lines and associated appurtenances. • 2,500 linear feet of wastewater lines and associated appurtenances. System Relocation Impacts: • 36-inch water transmission mains • 66-inch water transmission main 11 Commission Item #15 SPID 3212.203 Scope: • 12,700 linear feet of water lines and associated appurtenances. • 9,050 linear feet of wastewater lines and associated appurtenances. System Relocation Impacts: • 16-inch water distribution lines • 36-inch wastewater collector • 24-inch wastewater collector • 15-inch wastewater collector 12 Commission Item #16 SPID 3212.202 Scope: • 8,600 linear feet of water lines and associated appurtenances. • 7,500 linear feet of wastewater lines and associated appurtenances. System Relocation Impacts: • 16-inch water distribution lines • 36-inch water distribution lines • 30-inch wastewater collector 13 Commission Item #17 SPID 3212.200 Scope: • 8,600 linear feet of water lines and associated appurtenances. • 7,500 linear feet of wastewater lines and associated appurtenances. System Relocation Impacts: • 72-inch wastewater interceptor • 18-inch wastewater collector 14 Community Engagement & Construction Planning • Comprehensive public outreach is being conducted through a comprehensive partnership led by TxDOT with support from Austin Water • Critical customers are being identified to support proactive communication and construction planning • Project teams are coordinating efforts to maintain continuous service throughout construction • Community feedback is sought to inform strategies to minimize effects on customers, neighborhoods and park areas • The City and project partners remain actively engaged supporting the community throughout project delivery 15 Ongoing Collaboration Efforts Completed Contributions Ongoing Efforts  AW coordinated with APR PARKnership team, APR Forestry staff, and FBFF Partner on plant removal workdays  Provided volunteer support, materials, equipment, supplies, and snacks  AW, APR and FBFF Partner continue coordination on any restoration concerns  AW funded water meter and drinking fountain are progressing 16 Future Considerations • IH-35 Central Ultimate Construction Packages • Downtown (2028) • University (2028) • Loop 360 • Lakewood (2027) • Spicewood (2027) 17 Austin Water Project Team Kevin Koeller, Division Manager Mueen Chowdhury, Supervising Engineer Jamie Bernat, Engineer B Eva Moore, Project Coordinator 18 Building Austin’s water future, together. Water