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Table of Contents 1.0 INTRODUCTION............................................................................................................. 1 2.0 DESIGN GOALS AND OBJECTIVES .......................................................................... 1 2.1 Habitat Recreation........................................................................................................ 1 2.2 Flood Control................................................................................................................2 2.3 Stable Channel Design..................................................................................................2 3.0 DESIGN CONSIDERATIONS AND METHODOLOGIES.........................................2 3.1 Hydrologic Considerations...........................................................................................2 3.2 Hydraulic Considerations.............................................................................................3 3.3 Channel Slope and Depth..............................................................................................3 3.4 Vegetation Class Concepts and Management...............................................................3 4.0 CHANNEL RELOCATION AND RESTORATION PROJECT DESCRIPTION....7 4.1 General Stream Corridor Geotnetry.............................................................I...............7 4.2 Geomorphic Considerations .........................................................................................7 4.3 Meander Plan Forin ................................................—..................................................7 4.4 Stream Crossings .......................................................................................................... 8 ® 4.5 Water Surface Profiles..................................................................................................9 4.6 Riparian Habitat Creation............................................................................................9 4.7 Planting Platz .............................................................................................................. 11 4.8 Irrigation Plan ............................................................................................................ 12 5.0 MAINTENANCE CONSIDERATIONS....................................................................... 12 5.1 Vegetation Managenient.............................................................................................. 12 5.2 Selective Clearing ......................... ....... 14 .5.3 Criteria for Selective Clearing.................................................................................... 15 5.4 Species Diversity and Structural Coinplexity............................................................1. 16 5.5 Uneven Class Manageinen.t......................................................................................... 16 5.6 Successional Stage...................................................................................................... 17 5.7 Controlling Willow Growth............................................................................. 5.8 Best Management Practices for Controlling Sprouting.............................................. 18 5.9 Pruning, thinning, Clearing, and Sprout Removal ..................................................... 19 5.10 Vegetative Management for Aquatic Resources and Fisheries...................................20 5.11 Natural Debris ............................................................................................................20 APPENDICES Appendix A - Class System and Maintenance Procedures Appendix B - HEC-RAS Outputs