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Vista Grande Drainage Basin Draft Report (December 2007)

The Draft Report by Section (December 2007):

 

Title Page and Table of Contents

  • Title
  • Distribution
  • Table of Contents
  • List of Tables
  • List of Figures

1. Executive Summary

2. Introduction

  • 2.1 - Purpose
  • 2.2 - Project Background
  • 2.3 - Previous Studies
  • 2.4 - Ongoing Studies
  • 2.5 - Acknowledgements
  • 2.6 - Limitations

3. Watershed Hydrology and System Hydraulics

  • 3.1 - Watershed Description
  • 3.2 - Preliminary Design Criteria
  • 3.3 - Preliminary Hydraulic Evaluation
  • 3.4 - Water Quality Improvements

4. -Description of Alternatives

  • 4.1 - Alternative 1A - Beginning of Canal to New Outfall
  • 4.2 - Alternative 4 - South of County Line along Northgate Drive
  • 4.3 - Alternative 5B - 1/3 up Canal to Existing Outfall
  • 4.4 - Alternative 6 - 2/3 up Canal to Existing Outfall
  • 4.5 - Alternative 7 - Parallel Tunnel South of the Existing Tunnel
  • 4.6 - Alternative 9 - Detention Basins
  • 4.7 - Alternative 10 - Stormwater Re-Use Opportunities

5 - Geologic and Geotechnical Assessments

  • 5.1 - Regional and Site Study
  • 5.2 - Regional Seismicity
  • 5.3 - Geotechnical Literature Research
  • 5.4 -Anticipated Subsurface Conditions at Westlake Park
  • 5.5 -Anticipated Ground Conditions for New Tunnel
  • 5.6 -Recommended Tunneling Methods

6 - Preliminary Assessment of Construction Method and Constructability Issues

  • 6.1 -Construction Approach

7 - Potential Utility Conflicts and Relocation Requirements

  • 7.1 - Electric Utilities
  • 7.2 - Telephone
  • 7.3 - Storm Drains
  • 7.4 - Sanitary Sewer
  • 7.5 - Water Pipelines
  • 7.6 - Natural Gas Pipelines

8 - Preliminary Environmental Considerations

  • 8.1 - Ecological Setting
  • 8.2 - Overview of the Environmental Regulatory Process
  • 8.3 - Agency Consultations
  • 8.4 - Environmental Characterization Assessment of Alternative Tunnel Alignments

9 - Evaluation of Alternatives

  • 9.1 - Review of Findings
  • 9.2 - Screening Methodologies
  • 9.3 - Preliminary Evaluation
  • 9.4 - Sensitivity Analysis

10 - Summary and Recommendations

  • 10.1 - Summary
  • 10.2 - Recommendations

11 - References

12 - Revision Log