Laserfiche WebLink
eh <br />ESPEY, HUSTON & ASSOCIATES, INC. <br /> <br />TABLE OF CONTENTS <br /> Section Page <br /> 13.0 PLAN FOR DISPOSAL OF REFUSE FROM <br /> THE NORTHERN NO. 1 (FF SEAM) COAL <br /> MINE, RIO BLANCO COUNTY, COLORADO 13-1 <br /> 13.1 INTRODUCTION 13-1 <br /> 13.1.1 The Nature of the Waste Material 13-1 <br /> 13.1.2 The Proposed Ptoject 13-2 <br /> 13.2 THE EXISTING ENVII20NMENT 13-2 <br /> 13.2.1 Soils 13-Z <br /> 13.2.2 Geohydrology 13-4 <br /> 13.3 THE DESIGN 13-4 <br /> 13.3.1 The Disposal Area Boundary 13-4 <br /> <br /> 13.3.2 Slope Stability Analysis 13-6 <br /> 13.3.2.1 Cross Sections Analyzed 13-6 <br /> 13.3.2.2 Potentiometric Surfaces 13-7 <br /> 13.3.33 Material Pazameters 13-7 <br /> 1333.4 Results of Analysis 13-8 <br /> 13.3 3 Terraces 13-10 <br /> 133.4 Drainage 13-10 <br /> 13.3.4.1 The Watershed Diversion Ditch 13-10 <br /> 13.3.4.2 Sedimentation Control Features 13-11 <br /> 13.3.5 Roadway 13-11 <br /> 13.3.6 The Topsoil Stockpile 13-12 <br /> 13.4 PROCESS OF CONSTRUCTION 13-12 <br /> 13.4.1 Prepazatory Construction 13-1Z <br /> 13.4.1.1 Topsoil Removal 13-12 <br /> 13.4.1.2 The Sediment Pond 13-13 <br /> 13.4.13 The Watershed Diversion Ditch 13-13 <br /> 13.4.1.4 Roadway Construction 13-14 <br /> ii <br />