Southern Chesapeake

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Table of Contents

• Executive Summary
• Background
• Methodology
• Modeling Configurations
• Modeling Results
• Master Drainage Plan Improvements
• Environmental Restoration and Protection Opportunities
• Contact Information

Figures

Figure 1. Southern Chesapeake 2 & 3 Watershed MDPU Map
Figure 2. Soils with Wetlands Overlay
Figure 3. Existing Conditions Subcatchments with Shaded Imperviousness
Figure 4. Future Conditions Subcatchments with Shaded Imperviousness Figure 5. Potential Increase in Imperviousness
Figure 6. Link-Node Diagram – Existing Conditions
Figure 7. Link-Node Diagram – Future Conditions
Figure 8. Flooding for 10-Yr and 50-Yr Storms: Existing Hydrology, Existing Drainage
Figure 9. Flooding for 10-Yr and 50-Yr Storms: Future Hydrology, Existing Drainage
Figure 10. Future Improvements with Wetlands Underlay
Figure 11. Flooding for 10-Yr and 50-Yr Storms: Future Hydrology, Future Drainage
Figure 12. Bench Design Alternatives
Figure 13. Potential Environmental Restoration and Protection Projects

Tables

Table 1.     St. Brides Outfall — 1988 Proposed Drainage Alternatives
Table 2.     Homestead Outfall — 1988 Proposed Drainage Alternatives
Table 3.     St. Brides Road Bridge (Nodes 910 – 912) 50-Year Water Surface Elevations
Table C-1. Existing Conditions Peak Water Surface Elevations
Table C-2. Future Conditions Peak Water Surface Elevations
Table C-3. Future Conditions Peak Water Surface Elevations
Table D-1. Subarea Imperviousness

Appendices

A.  Photographs
B.  Survey Data
C.  Maximum Water Surface Elevations
D.  Subarea Imperviousness