PERMFILE137785

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: 1999 Addendum to 97/98 Landslide Corrective Measure
• Section_Exhibit Name: Exhibit 14C Appendix H
• Media Type: D
• Archive: No

•
List of Tables
Table H 1 Response of Selected Piezometers During Spring of 1998 and 1999
Table H2 Predicted Future Landslide Movements, Probability of Occurance based on Slope Stability
Analysis
Table H3 Predicted Future Landslide Movements, Probability of Occurance based on LVC
Classifications
Table H4 Predicted Future Landslide Movements, Using Bayes' Rule with 1999 Probabilities from
Slope Stability and LVC's
List of Figures
C J
Figure H 1 Plan of 1999 Conditions
Figure H2 Plan of Proposed 1999-2000 Work
Figure H3 Landslide Stratigraphy and Piezometric Levels
Figure H4 Cross Section of 1999 Conditions
Figure HS Area Geology from Surficial Geology of the Somerset Quadrangle
Figure H6 Historic Cumulative Movement of Selected Monitoring Points
Figure H7 Time Line of Cortective Measures
Figure H8 Landslide Stability Analysis Factor of Safety -Without Pins & Horizontal Trenches (1997
Conditions)
Figure H9 Landslide Stability Analysis Factor of Safety -With Pins & without Horizontal Trenches
(1998 Conditions)
Figure H 10 Landslide Stability Analysis Factor of Safety -With Pins & Horizontal Trenches (1999
Conditions)
Figure H 1 I Historic Cumulative Movement on Log-Log Scale for Predicting Future Movement
Figure H12 Oct. 1/Sept. 30 Precipitation, Paonia, Colorado 1980-1998
Figure H 13 Stream Discharges in the North Fork of the Gunnison, 1980-1998 Near Somerset, Colorado
List of Appendices
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Appendix H 1 Groundwater and Limit Equilibrium Slope Stability Models
Appendix H2 Surface Movement Monitoring Graphs
Appendix H3 Piezometer Water Level Graphs
Appendix H4 Inclinometer Graphs
Appendix HS Probability Calculations
Barr EnOineering Company
PCDOCSt20a220ICAK
July 31, 7999
Appendix H
7999 Addendum to
1997199 landslide Corrective Measures Report