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U 1 <br />Chester Page <br />1 INTRODUCTION..............................................................................................................1 <br />1.1. PURPOSE OF REPORT.........................................................................................1 <br />1.2. BACKGROUND.....................................................................................................1 <br />2 EXISTING CONDITIONS...............................................................................................3 <br />2.1. SURFACE TOPOGRAPHY....................................................................................3 <br />2.2. EXISTING DRAINAGE FEATURES....................................................................3 <br />2.3. EXISTING SOIL COVER.......................................................................................4 <br />3.1. AREAS OF IMPROVEMENT................................................................................6 <br />3.1.1. Intermediate Cover..................................................................................6 <br />Site and Soil Cover Plan <br />3.1.2. Partial Cover............................................................................................6 <br />DRAINAGE PLAN...............................................................................................13 <br />3.2. SLOPE STABILITY................................................................................................8 <br />4.3. <br />3.2.1. Analytical Method...................................................................................8 <br />2-1 <br />3.2.2. Seismic Hazard Evaluation.....................................................................9 <br />4.3.1. Culverts.................................................................................................14 <br />3.2.3. Material Properties..................................................................................9 <br />3.2.4. Stability Analysis Results......................................................................10 <br />3.3. Borrow Source Characterization and Volume Estimation..............................11 <br />4.3.3. Slope Drains..........................................................................................14 <br />i' 1 <br />4.1. <br />DRAINAGE DESIGN CRITERIA........................................................................12 <br />Site and Soil Cover Plan <br />4.2. <br />DRAINAGE PLAN...............................................................................................13 <br />C-3 <br />4.3. <br />DRAINAGE FEATURES......................................................................................13 <br />2-1 <br />Soil Test Pit Locations <br />4.3.1. Culverts.................................................................................................14 <br />4.3.2. Channels................................................................................................14 <br />4.3.3. Slope Drains..........................................................................................14 <br />4.4. <br />SOIL LOSS ESTIMATES.....................................................................................15 <br />5 SCHEDULE.....................................................................................................................17 <br />DRAWINGS <br />C-1 <br />Site and Soil Cover Plan <br />C-2 <br />Module "I" Drainage Plan <br />C-3 <br />Drainage Plan Details <br />FIGURES <br />2-1 <br />Soil Test Pit Locations <br />47717/SAC4R475 Page ii of iii Revised May 31, 2005 <br />Copyright 2004 Kleinfelder, Inc. <br />