Notes
Slide Show
Outline
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Dallas Water Utilities
Lake Fork Reservoir Connection
  • Capital Improvement Program
  • August 8, 2005
  • Transportation and Environment Committee
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Purpose
  • Inform on water resources available for Dallas and of continuing work to connect Lake Fork reservoir to meet future water supply needs
  • Brief on three upcoming agenda items planned for the August 24, 2005 Council Meeting
  • 1) - Design Modification for the Lake Fork Pump       Station and 108-inch Pipeline
  • 2) - Lake Fork Pump Station construction
  • 3) - Tawakoni Balancing Reservoir raw water        transmission main design


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Background:
  • Dallas has seven reservoirs available to meet its water needs. Five of these reservoirs are currently connected
  • Lake Fork Reservoir will be the sixth Water Supply Reservoir to be connected into the City of Dallas system
  • The connection of the Lake Fork Reservoir is part of the City’s Updated Long Range Water Supply Plan
  • The City is looking at Eastern Water Sources to supplement its current water resources in meeting its future water supply needs. These Water Sources will likely be moved by way of the Lake Fork Reservoir and Pump Station
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Long Range Water Supply Current & Strategic Reservoir Sources
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Long Range Water Supply Plans through Lake Fork Reservoir
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Delivering Lake Fork Reservoir Water to Dallas
(Map)
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Delivering Lake Fork Reservoir Water to Dallas
(Status)
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1) Agenda Item: SA for Design Modifications for Lake Fork Pump Station & Pipeline Inspection to Carter & Burgess - $2,847,217
  • Authorize Supplemental Agreement No. 2  for professional services contract to provide design modifications and construction inspection for the Lake Fork Pump Station and 108-inch raw water transmission main
  • Services include construction inspection of Part 3 of the 108-inch Lake Fork raw water transmission main and construction inspection of the Lake Fork Pump Station
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2) Agenda Item: Lake Fork Pump Station to BAR Construction Inc. - $50,052,400
  • Considerations
  • Intake Structure
  • Pump Station
  • Electrical Sub Station
  • 108-inch Discharge Piping
  • Communications Tower Construction
  • Security
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      3) Agenda Item: Design TBR Raw Water
Transmission Main to East Side Water Treatment
       Plant to Carter & Burgess - $8,611,000
  • Authorize contract for water transmission main alignment, easement acquisition and pipeline design services for new transmission main from TBR to the East Side Treatment plant
  • New Transmission line is needed to increase carrying delivery capacity
  • The Pipeline will be sized to carry water from Lake Fork and Lake Tawakoni to the Eastside Water Treatment Plant
  • This project will include acquiring the necessary alignment easements for phase two of the transmission main from Lake Tawakoni to the TBR
  • Considerations
      • New Transmission line is needed to improve Dependability of the Water Transmission / Supply System
      • It can be utilized to replace existing Raw Water Transmission lines used to Transport Water from Lake Tawakoni
      • 72-Inch Installed In 1960 and 84-Inch was installed In 1984. They have required Major Maintenance
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Lake Fork Connection Projects Requesting Council Approval
  • 8/24/05 Authorize Supplemental Agreement to design contract for expanding capacity at the Lake Fork Pump Station - $2,847,217
  • 8/24/05 Authorize Construction Services of Lake Fork Pump Station - $50,052,400
  • 8/24/05 Authorize Engineering Services for Design Phase 1 of TBR future pipeline  - $8,611,000
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Lake Fork Connection Projects Future Items
  • FY 05/06 Construction Phase 4 - 108-inch raw water pipeline from Lake Fork
  • FY 06/07 Design interconnection of 108-inch raw water pipeline from Lake Fork onto existing 84 &     72-inch and future pipeline near Lake Tawakoni
  • FY 07/08 Construction Phase 1 - TBR future pipeline
  • FY 06-08 Design & Construction Expansion of TBR
  • FY 06-09 Design & Construction Phase 2 – TBR future pipeline


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Questions & Comments