2007-08-10_PERMIT FILE - C1980007 ‎(3)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 8/10/2007
• Doc Name: Design Report for Alteration of Monument Dam
• Section_Exhibit Name: Exhibit 76 Report April 2007
• Media Type: D
• Archive: No

8.2.2.8 Upstream Clay Blanket .................................................................................29
8.2.3 Modeling ......................................................................................................................29
8.2.3.1 Existing Conditions ............................................................
..30
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8.2.3.2 Proposed Conditions ........................................................... ..30
8.2.3.3 Static ............................................................................................................. 31
8.2.3.4 Seismic .........................................................................................................31
8.2.4 Results of Stability Analyses ........................................................................................ 31
8.3 Trench Drain Analysis and Design ........................................................................................... 32
8.4 Downstream Drainage Blanket Analysis and Design ............................................................... 34
8.5 Filter Material Design ............................................................................................................... 35
8.6 Upstream Clay Blanket ............................................................................................................. 36
'
8.7 Riprap Design .......................................................................................................................... 37
8.8 Piping Evaluation ...................................................................................................................... 38
9 Landslide Enhancement and Analysis ................................................................................................. 39
9.1 Landslide Stability Analysis ...................................................................................................... 39
9.1.1 Geometry .............................................•---......................................---............................ 39
..
9.1.2 Groundwater 39
' ...............................................................................................................
9.1.3 Parameters . .. 40
9.1.3.1 Unit Weight .................................................................................................. 40
' 9.1.3.2 Colluvium ..................................................................................................... 41
9.1.3.3 Failure Surface Material ............................................................................... 41
9.1.3.4 Buttress .........................................................................................................42
' 9.1.4 Modeling ............. ......................................................................................................42
9.1.4.1 Existing Conditions ......................................................................................42
9.1.4.2 Proposed Conditions .....................................................................................43
' 9.1.4.3 Static .............................................................................................................43
9.1.4.4 Seismic .........................................................................................................43
' 9.1.5 Summary of Landslide Stability Analysis ....................................... 44
9.2 Landslide Drain Design .............................................................................................................44
10 Instrumentation .................................................................................................................................... 46
11 Quality Assurance and Quality Control Plan ......................................................................................47
12 References ...........................................................................................................................................48

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