Deadmans Run Watershed Master Plan
December 2007
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Cover and Table of Contents (436 K)
Executive Summary (831 K)
Section 4 - Hydraulic Model Development (56 K)
Section 6 - Water Quality (316 K)
Section 8 - Capital Improvement Projects (35 M)
Section 10 - Implementation (43 K)
Appendices
- Appendix A - Electronic Files
- Appendix B - Public Participation Materials (688 K)
- Appendix C - Drainage Structure Design Data (44 K)
- Appendix D - Water Quality (82 K)
- Appendix E - Stream Reach Descriptions (414 K)
- Appendix F - Opinion of Probable Construction Costs (48 K)
- Appendix G - Prioritization (110 K)
Tables
- 2-1 Drainage Structure Survey Data
- 3-1 Rainfall Duration Depths
- 3-2 Existing Land Use Percentages
- 3-3 Curve Numbers for Deadmans Run Watershed
- 3-4 Lancaster County Hydrologic Soil Groups
- 3-5 Sheet Flow and Shallow Concentrated Flow Values
- 3-6 100-Year Flow Comparisons
- 3-7 Drainage Area Comparisons
- 3-8 HEC-HMS Modeling Results
- 4-1 HEC-RAS Parameters Development
- 4-2 Land Surface Characteristics and Associated Manning’s n-Values
- 4-3 Channel Descriptions and Associated Manning’s n-Values
- 4-4 Expansion and Contraction Coefficients
- 6-1 Structural BMP CIP Projects
- 8-1 Stream Crossing Overtopping Flood Depths
- 8-2 Bridge Ratings and Status
- 8-3 Deadmans Run Priority Ranking Results
- 8-4 Recommended Improvement Project Costs
- 9-1 Categories of Avoided Damages
- 9-2 Benefit-Cost Ratio Procedures
- 9-3 Total Physical Damages Before Projects
- 9-4 Total Physical Damages After Projects
Figures
- 1-1 Deadmans Run Watershed Area Map
- 1-2 City of Lincoln Comprehensive Watershed Management Plan
- 2-1 Water Quality and Geomorphic Assessment Locations
- 3-1 Deadmans Run Existing Conditions Land Use
- 3-2 Deadmans Run Hydrologic Soil Groups
- 3-3 Stormwater Detention Facilities
- 3-4 Deadmans Run West Tributary
- 5-1 Floodplain Map Tiles
- 5-2 Tile 1 Floodplain Map
- 5-3 Tile 2 Floodplain Map
- 5-4 Depth of 100-Year Storm
- 6-1 Water Quality Sampling Locations
- 6-2 Continuous Deflection Plan View
- 7-1 Geomorphic Evaluation Stream Segments
- 7-2 Segments 1 and 2 - Historical Photographs
- 7-3 Segment 3 - Historical Photographs
- 7-4 Channel Evolution Model (Simon 1989)
- 7-5 Segment 3 – Existing Outfalls
- 7-6 Deadmans Run Knickpoints
- 8-1 Master Plan Existing Conditions 100-Year Floodplain
- 8-2 Conceptual Level Improvement Projects
- 8-3 Project 1, Location 1 Channel Improvements
- 8-4 Project 1, Location 1 Typical Channel Cross Section
- 8-5 Project 1, Location 2 Channel Improvements
- 8-6 Project 1, Location 3 Channel Improvements
- 8-7 Project 1, Location 3 Typical Channel Cross Section
- 8-8 Project 2, Improvement Locations
- 8-9 Project 2, Location 1 Typical Channel Cross Section
- 8-10 Project 2, Location 2 Typical Channel Cross Section
- 8-11 Project 3 Channel Improvements
- 8-12 Project 3 Typical Channel Cross Section
- 8-13 Project 4 Channel Improvements
- 8-14 Project 4 Typical Channel Cross Section
- 8-15 Project 5 Design Components
- 8-16 Project 6 Design Components
- 8-17 Project 7 Construction Limits
- 8-18 Recommended Water Quality Project Locations
- 8-19 Project 8 Pond Retrofits
- 8-20 Bethany Park Recommended Water Quality Feature
- 8-21 Russwood Basin Retrofits
- 8-22 Project 11 Water Quality Features
- 8-23 Project 12 Location of Hydrodynamic Separator
- 8-24 Project 13 Location of Stream Stabilization Measures
- 8-25 100-Year Floodplain Comparison
- 8-26 Other Projects Evaluated
- 9-1 FEMA Building Depth-Damage Curves
- 9-2 FEMA Contents Depth-Damage Curves
- 9-3 Street Flooding Depth-Damage Curves