Erosion and Sediment Pollution Control Program Manual.pdf

Appendix K - Fact Sheet - E & S BMPs for Water Well Drilling and Aquifer Testing ......................... 496
Appendix L - Glossary...................................................................................................................... 498
LIST OF TABLES
Table Number Name Page
3.1 Maximum Waterbar Spacing .................................................................................. 22
3.2 Maximum Spacing of Broad-based Dips, Open-top Culverts and Deflectors .......... 23
3.3 Sizing and Spacing of Ditch Relief Culverts for Temporary Access Roads ............. 31
3.4 Recommended Maximum Spacing of Ditch Relief Culverts (18” dia CMP) for
Permanent Access Roads ..................................................................................... 32
3.5 Minimum Distance Between Culvert Pipes ............................................................. 37
4.1 Compost Sock Fabric Minimum Specifications ....................................................... 63
4.2 Compost Standards……………………………………………………………………… 64
4.3 Fabric Properties for Silt Fence .............................................................................. 75
4.4 Maximum Slope Length for Silt Fence ................................................................... 76
4.5 Maximum Slope Length for Straw Bale Barriers and Wood Chip Filter Berms........ 89
4.6 Minimum Filter Strip Width for Sediment Removal ................................................. 95
5.1 Pennsylvania Rainfall by County ............................................................................ 109
5.2 Runoff Coefficients for the Rational Equation ........................................................ 111
5.3 Roughness Coefficient for Sheet Flow Tc Computations ........................................ 112
5.4 Appropriate Rainfall Regional Map for Various Times of Concentration
and Frequencies .................................................................................................... 114
5.5 5-Minute through 24-Hour Rainfall Depths for Region 1 ......................................... 118
5.6 5-Minute through 24-Hour Rainfall Depths for Region 2 ......................................... 119
5.7 5-Minute through 24-Hour Rainfall Depths for Region 3 ......................................... 120
5.8 5-Minute through 24-Hour Rainfall Depths for Region 4 ......................................... 121
5.9 5-Minute through 24-Hour Rainfall Depths for Region 5 ......................................... 122
6.1 Geometric Elements of Channel Sections .............................................................. 128
6.2 Maximum Permissible Shear Stresses for Various Channel Liners ........................ 130
6.3 Manning’s “n” for Trapezoidal Channels with Vegetative Stabilization
(Retardance C) ...................................................................................................... 131
6.4 Maximum Permissible Velocities (ft/sec) for Channels Lined with Vegetation ........ 132
6.5 Manning’s Roughness Coefficient (“n”) for Commonly Used Temporary Channel
Linings ................................................................................................................... 133
6.6 Riprap Gradation, Filter Blanket Requirements, Maximum Velocities ..................... 135
6.7 Comparison of Various Gradations of Coarse Aggregates ..................................... 135
6.8 Riprap Size Adjustment Factor for Various Rock Types ......................................... 136
6.9 Recommended n Values to be Used with Manning’s Equation When Doing
Stability Analyses of Receiving Streams ................................................................ 137
6.10 Maximum Permissible Velocities and Shear Stresses for Reno Mattresses
and Gabions .......................................................................................................... 139
6.11 Minimum Dimensions for Temporary Slope Pipes ................................................. 154
6.12 Bench Spacing....................................................................................................... 157
7.1 Kp Values for Common Sizes of Pipe ..................................................................... 176
7.2 Pipe Flow Capacity - n = 0.015 .............................................................................. 178
7.3 Pipe Flow Capacity - n = 0.025 .............................................................................. 179
7.4 Concrete Base Requirements for Various Sizes of Temporary Riser Pipes ........... 187
7.5 Grass-lined Emergency Spillway Capacity in CFS (Side Slopes 1H:1V) ................ 196
7.6 Grass-lined Emergency Spillway Capacity in CFS (Side Slopes 2H:1V) ................ 197
7.7 Grass-lined Emergency Spillway Capacity in CFS (Side Slopes 3H:1V) ................ 197
7.8 Grass-lined Emergency Spillway Capacity in CFS (Side Slopes 4H:1V) ................ 198
8.1 Recommended Minimum Pipe Sizes for Barrel/Riser Sediment Traps ................... 217
11.1 Cubic Yards of Topsoil Required for Application to Various Depths ....................... 263
11.2 Soil Amendment Application Rate Equivalents....................................................... 266
11.3 Plant Tolerances of Soil Limitation Factors ............................................................ 267
363-2134-008 / March 31, 2012 / Page vii