UFC 3-210-10
25 October 2004
10-2.4
LID Site Planning Strategies...........................................
68
10-2.5
Time of Concentration for Existing and Proposed
Conditions ..................................................................
69
10-2.6
Storage Volume Comparison .........................................
70
10-2.7
Distributed Detention and Retention Storage Requirements..
71
10-2.8
Selection of Appropriate IMPs ........................................
71
10-2.9
Water Quality Calculations .............................................
79
10-2.10
Conclusion......................................................................
79
APPENDIX A
REFERENCES............................................................... 80
APPENDIX B
GLOSSARY.................................................................... 86
APPENDIX C
SUPPORTING CALCULATIONS FOR SECTION 10-2.. 87
APPENDIX D
LID DESIGN CHARTS ................................................... 91
FIGURES
Figure
Title
Page
1-1
Key LID Elements .....................................................................................
1
4-1
Natural Hydrologic Cycle........................................................................... 13
4-2
Hydrologic Cycle of a Developed Environment ......................................... 14
4-3
Frequency of Small Storms ....................................................................... 15
4-4
Greenwall .................................................................................................. 16
4-5
Mechanism of Groundwater Recharge...................................................... 18
5-1
Removal Effectiveness of Various BMPs .................................................. 20
5-2
Biological and Chemical Processes that Occur in a Bioretention Cell....... 22
5-3
LID Design Process .................................................................................. 24
6-1
Treatment Train Process for Phosphorous Removal ................................ 34
8-1
Southern Maryland Wood Treating Site (Soil Amendments) ..................... 38
8-2
Bioretention Area ...................................................................................... 40
8-3
Dry Well Schematic ................................................................................... 41
8-4
Filter Strip.................................................................................................. 42
8-5
Riparian Buffer Management .................................................................... 43
8-6
Grassed Swale Schematic ........................................................................ 44
8-7
Infiltration Trench Schematic..................................................................... 45
8-8
Inlet Device Schematic.............................................................................. 46
8-9
Rain Barrel ................................................................................................ 47
8-10
Cistern....................................................................................................... 48
8-11
Manufactured Tree Box Filter.................................................................... 49
8-12
Vegetated Roof Cross-Section.................................................................. 50
8-13
Permeable Paver ...................................................................................... 52
8-14
Permeable Pavement Cross-Section ........................................................ 54
8-15
Drainage in Both Types of Pavement........................................................ 54
10-1
Landscaped Area and Parking Area ......................................................... 60
10-2
Drainage Inlet............................................................................................ 61
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