SECTION 4 EROSION CONTROL - PART 2 SOIL STABILIZATION CONTENTS Page Scope and Discussion ........................................................................................................................................................ 4.1 Principles of Biotechnical Practices .................................................................................................................................. 4.1 Planning Considerations ................................................................................................................................................... 4.3 Plant Materials .................................................................................................................................................................. 4.3 Anchored Stabilization Matting ........................................................................................................................................ 4.5 Armored Slope and Channel Stabilization ........................................................................................................................ 4.7 Branch Packing ............................................................................................................................................................... 4.15 Brush Layer ..................................................................................................................................................................... 4.17 Brush Mattress ................................................................................................................................................................ 4.19 Fertilizer Application ...................................................................................................................................................... 4.21 Fiber Roll ........................................................................................................................................................................ 4.22 Landgrading ..................................................................................................................................................................... 4.24 Lime Application ............................................................................................................................................................ 4.29 Live Crib Wall ................................................................................................................................................................ 4.30 Live Fascines ................................................................................................................................................................... 4.32 Live Stakes ...................................................................................................................................................................... 4.34 Loose Stabilization Blankets ........................................................................................................................................... 4.37 Mulching ......................................................................................................................................................................... 4.39 Permanent Construction Area Planting ........................................................................................................................... 4.42 Recreation Area Seeding .................................................................................................................................................. 4.45 Retaining Walls ................................................................................................................................................................ 4.48 Soil Restoration ............................................................................................................................................................... 4.52 Stabilization With Sod .................................................................................................................................................... 4.54 Surface Roughening ........................................................................................................................................................ 4.56 Temporary Construction Area Seeding ........................................................................................................................... 4.58 Topsoiling ....................................................................................................................................................................... 4.59 Tree Revetment ............................................................................................................................................................... 4.61 Trees, Shrubs, and Vines ................................................................................................................................................. 4.63 Vegetated Rock Gabions ................................................................................................................................................. 4.66 Vegetating Sand and Gravel Borrow Areas .................................................................................................................... 4.68 Vegetating Sand Dunes and Tidal Banks ........................................................................................................................ 4.70 Vegetating Waterways .................................................................................................................................................... 4.78 Section prepared by: Donald W. Lake Jr., PE, CPESC, CPSWQ Former State Conservation Engineer USDA– Natural Resources Conservation Service Syracuse, New York Adjunct Assistant Professor State University of New York, College of Environmental Science and Forestry List of Tables and Figures Table Title Page 4.1 Riprap Gradations ................................................................................................................................. 4.12 4.2 Guide to Mulch Materials, Rates, and Uses ......................................................................................... 4.40 4.3 Mulch Anchoring Guide ...................................................................................................................... 4.41 4.4 Permanent Critical Area Planting Mixture Recommendations ............................................................ 4.44 4.5 Recreation Turfgrass Seed Mixture ...................................................................................................... 4.46 4.6 Soil Restoration Requirements ............................................................................................................ 4.53 4.7 Topsoil Application Depth .................................................................................................................. 4.60 4.8 Size and Weight of Earth Ball Required to Transplant Wild Stock ..................................................... 4.65 4.9 Vegetative Treatment Potential for Eroding Tidal Shorelines ............................................................. 4.73 4.10 Maximum Permissible Velocities for Selected Seed Mixtures............................................................. 4.79 Figure Title Page 4.1 Angles of Repose of Riprap Stones ....................................................................................................... 4.9 4.2 Typical Riprap Slope Protection Detail ................................................................................................. 4.9 4.3 Riprap Streambank Protection .............................................................................................................. 4.13 4.4 Channel Stabilization Methods ............................................................................................................ 4.14 4.5 Branch Packing .................................................................................................................................... 4.16 4.6 Brush Layer ......................................................................................................................................... 4.18 4.7 Brush Mattress ..................................................................................................................................... 4.20 4.8 Fiber Roll ............................................................................................................................................. 4.23 4.9 Typical Section of Serrated Cut Slope ................................................................................................. 4.26 4.10 Landgrading ......................................................................................................................................... 4.27 4.11 Landgrading - Construction Specifications .......................................................................................... 4.28 4.12 Live Cribwall ....................................................................................................................................... 4.31 4.13 Live Fascine ........................................................................................................................................ 4.33 4.14 Live Stake.............................................................................................................. ..............................