PROJ00051

• Contract/PO #: C153473
• Contractor Name: Stewart Ditch and Reservoir Company
• Contract Type: Loan
• Water District: 40
• County: Delta
• Bill Number: EO 08-08-86
• Loan Projects - Doc Type: Feasibility Study

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TABLE OF CONTENTS

I.

INTRODUCTION. .. ......................... ......... .

A. General........................................

B. Previous Work..................................
c. Phase I Report.................................
D. Phase I I Report................................

II.

FIELD INVESTIGATIONS..............................
A. Aerial Photo Mapping...........................
B. Geotechnical InvestigatIons....................
1. Field Sampling and Testing.................
2. Laboratory Testing.........................
C. Summary of Field and Laboratory Geotechnical

Investl~atlons...............................

SLOPE STABILITY ANALySIS..........................

A. General........................................
B. Soil Parameters Selected for Design............

c. Existing Slope.................................
D. Alternative Flattened Slopes...................

DESIGN, CONTRACT DOCUMENTS AND CONSTRUCTION.......
DRAWINGS

A. Ma.in Slope.....................................
B. Toe at River...................................

V.

CONCLUSIONS AND RECOMMENDATIONS...................

REFERENCES. . ... .. . . . . . . . . . . . . . . .. . . ... . . . .. . . .. . . .

APPENDICES

APPENDIX A - Geotechnical Laboratory Results
APPENDIX B - Geotechnical Drill Logs
APPENDIX C - Results of Slope Stability Analyses
APPENDIX D - Slide Monitoring Program

LIST OF FIGURES

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Figure II 1-2
Figure III-)
Figure 1II-4
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Figure IV-2

Old Mapping
- New Mapping
Existing Topography Section B-B
Proposed Topography Section B-B
- Pre-Slide Failure Analysis Section E-E
- Post-Slide Failure Analysis Section E-E
- Main Slope Sections
- Toe Sections

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