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Regional Water Supply Project

Regional Water Supply Project. Presentation Outline Regional Water Supply Project August 7, 2007. Brushy Creek Regional Utility Authority (BCRUA) Participating Cities and Their Needs Physical Project - Floating Barge and Raw Water Line - Water Treatment Plant

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Regional Water Supply Project

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  1. Regional Water Supply Project

  2. Presentation OutlineRegional Water Supply ProjectAugust 7, 2007 • Brushy Creek Regional Utility Authority (BCRUA) • Participating Cities and Their Needs • Physical Project - Floating Barge and Raw Water Line - Water Treatment Plant - Treated Water Distribution Lines - Deep Water Intake and Raw Water Line • Project Cost Estimates • Project Schedule

  3. BCRUA Water Supply Project Timeline 1997-98Trans-Texas Water Program Study conducted for the TWDB identified Volente area as potential site for raw water intake facility. - Feasibility study titled West Williamson County Regional Water System conducted by LCRA and Cedar Park identifies Booth Circle as area adjacent to lakebed elevation needed for raw water intake facility. - Volente landowners/developers begin discussions with Cedar Park regarding sale of water in exchange for access to area needed for future intake structure. 2001 LCRA commissions Williamson County Water Supply Facilities Plan study. It identifies Booth Circle as potential location for deep-water intake structure. 2003 - Village of Volente is incorporated and MUD is created. - Cedar Park along with Volente MUD developers identify site on Booth Circle in which Volente developers propose to obtain an easement for the intake facility. 2004Volente developers secure needed signatures for easements on Booth Circle site and inform Cedar Park that a copy of the original easement will be handed over once the water agreement is reached.

  4. BCRUA Water Supply Project Timeline 2005 - Lake Travis Raw Water Supply Study conducted by the CORR determines Lake Travis as best source of future water for the City. - Round Rock and Cedar Park begin discussions on a regional water system. LCRA joins discussions on behalf of Leander. - Hire consultant to prepare a Preliminary Engineering Report. 2006- Round Rock, Leander, and Cedar Park begin negotiations with LCRA for a new regional water system for the cities’ long-term needs. - Select engineering consultants for the preliminary design of the regional water system. - Move forward on an independent partnership without LCRA. Partnership designated Brushy Creek Regional Utility Authority. 2007 - PER completed. - Preliminary Design Report recommends Volente site for deep-water intake and pipeline route to the northeast within the Trails End Road ROW. - Cedar Park City Council approves acceptance of easement for deep-water intake site once the water agreement with Volente developers is complete.

  5. Cost of Water Supply Options

  6. Raw Water Demand from Lake Travis

  7. Regional System Phasing

  8. Raw Water Line Route Selection Criteria: Capital Cost - Construction - Habitat Mitigation Cost - Easement Cost Construction Impact - During Construction - Number of Homeowners Impacted - Number of Businesses Impacted - Extent of Traffic Access Impacted Construction Risk Environmental Impact - Number of Crossings of Jurisdictional Waters of the U.S. - Construction with BCCP Land - Construction within the Golden Cheeked Warbler Habitat - Impacts to Karst Zones Permitting and Easements - TxDOT/County ROW Permits required - Permits required from the U.S. Army Corps of Engineers - LCRA permits required - Permanent and Temporary Easements required

  9. Comparison of Construction Cost by Phase for Water Treatment Plant

  10. Regional Water Supply ProjectProject Cost Estimates

  11. Regional Water Supply ProjectProject Cost Estimates

  12. Regional Water Supply ProjectProject Cost Estimates

  13. Project Schedule Phase 1 Summer 2010 • Floating Raw Water Barge • Raw Water Line - ~28,500 feet of 78-inch pipeline from existing Cedar Park Treatment Plant along Trails End to Regional Water Treatment Plant • Water Distribution Line Section 1- ~10,500 feet of 78-inch pipeline from Regional Water Treatment Plant to existing Segment 2b • Water Distribution Line Section 2C - ~7,900 feet of 72-inch pipeline from existing Segment 2b to Segment 3

  14. Project Schedule Phase 2 2011-2012 • Deep Water Intake (2a) – Five initial pumps for capacity to 66 MGD • Raw Water Line - ~16,400 feet of 84-inch pipe from Deep Water Intake to existing Cedar Park Treatment Plant 2016 • Deep Water Intake (2b) – Two additional pumps to increase capacity to 120 MGD • Water Treatment Plant – Expand to total capacity of 84 MGD

  15. Project Schedule Phase 3 2023 • Deep Water Intake – Two additional pumps at intake to increase capacity to 142 MGD 2023 • Water Treatment Plant – Expand to total capacity of 105.8MGD

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