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Wastewater Operations: Study Reports

Stevens Creek Trunk Sewer Preliminary Design Report


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Volume I

Cover Page (22 K)
Table of Contents (32 K)
Chapter 1 - Introduction (140 K)
1.1 Existing Conditions
  • 1.1.1 Existing Collection System
  • 1.1.2 Community Growth
1.2 Autorization for Work
1.3 Previous Planning
1.4 Public Involvement
Chapter 2 - Stevens Creek Basin (571 K)
2.1 General Location
2.2 Basin Areas
  • 2.2.1 Main Basin
  • 2.2.2 Subbasin Areas
  • 2.2.3 Modified Subbasin Areas
2.3 Phased Implementation
  • 2.3.1 General
  • 2.3.2 West Side of Stevens Creek
  • 2.3.3 East Side of Stevens Creek
Chapter 3 - Preliminary Analysis (284 K)
3.1 General
3.2 Hydraulics
  • 3.2.1 Peak flow
  • 3.2.2 Manning's Equation
  • 3.2.3 Pipe Size
  • 3.2.4 Pipeline Velocity
  • 3.2.5 Depth of Flow (d/D)
  • 3.2.6 Structures
3.3 Hydraulic Modeling
  • 3.3.1 Methodology
  • 3.3.2 SewerCAD
  • 3.3.3 XP SWMM
  • 3.3.4 EXTRAN
  • 3.3.5 Subbasin Flows
  • 3.3.6 Trunk Sewer Modeling
  • 3.3.7 Subbasin E-2 Sewer Model
3.4 Alternative Alignment Evaluation
  • 3.4.1 Evaluation Criteria
  • 3.4.2 Alternative Alignment Analysis
Chapter 4 - Recommended Trunk Sewer (4.9 K)
4.1 Recommended Alignment
4.2 Hydraulic Modeling
4.3 Summary of Service Area
  • 4.3.1 Recommended Trunk Sewer
  • 4.3.2 Future Eastside Service (Tier III)
  • 4.3.3 Regent Heights Sewer
4.4 Right of Way Requirements
  • 4.4.1 Permanent Easement
  • 4.4.2 Temporary Easement
4.5 Preliminary Design
  • 4.5.1 Aerial Mapping
  • 4.5.2 Plan and Profile Drawings
4.6 Probable Opinion of Estimated Costs
  • 4.6.1 Methodology
  • 4.6.2 Assumptions and Allowances
  • 4.6.3 Probable Opinion of Estimated Costs
4.7 Implementation Plan
  • 4.7.1 General
  • 4.7.2 Base Plan
  • 4.7.3 Accelerated Plan
4.8 Recommended Pipe Materials
4.9 Other Construction Issues
  • 4.9.1 Highways, Roads, Streets, and Railroads
  • 4.9.2 Farmland, Wetlands, and Grasslands
  • 4.9.3 Stream Crossings
Appendix A - Technical Memorandum No. 1 - Design Flow Equation (85 K)
Appendix B - Technical Memorandum No. 2 - Structures (296 K)
Appendix C - Technical Memorandum No. 3 - Hydraulics and Preliminary Modeling (2.1 M)
Appendix D - Technical Memorandum No. 4 - Preliminary Alternative Alignments (4.86 M)
Appendix E - Technical Memorandum No. 5. - Pipe Material Selection (202 K)
Appendix F - Hydraulic Modeling Output for the Recommended Alignment (241 K)
Appendix G - Probable Opinion of Estimated Costs for the Recommended Alignment (642 K)

List of Tables

List of Figures

List of Drawings

Volume II Plan and Profiles (10.23 M)

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Wastewater Operations: Study Reports