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Appendix A Reach Surveys and Conceptual Restoration Designs

Appendix A Reach Surveys and Conceptual Restoration Designs. Reach A. Existing Conditions: Stream Length: 384 ft Drainage Area: 0.22 mi 2 Slope: 0.014 ft/ft Stream Type: F4 Streambank Erodibility: Very High Riparian Condition: Poor Restoration Potential: Fair

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Appendix A Reach Surveys and Conceptual Restoration Designs

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  1. Appendix A Reach Surveys and Conceptual Restoration Designs

  2. Reach A Existing Conditions: Stream Length: 384 ft Drainage Area: 0.22 mi2 Slope: 0.014 ft/ft Stream Type: F4 Streambank Erodibility: Very High Riparian Condition: Poor Restoration Potential: Fair Greenway Potential: Good Downstream from Donahue Drive, 3/03 Graphic Illustration of Stream Dimension Not Intended for Construction Specifications

  3. Reach A Conceptual Design Parameters: Stream Type: E4 Channel Bankfull Area: 24 ft2 Channel Bankfull Width: 17 ft Channel Bankfull Mean Depth: 1.4 ft Channel Width to Depth Ratio: 12 Entrenchment Ratio: 5.0 Bank Height Ratio: 1.0 Sinuosity: 1.3 Belt Width: 70 ft Meander Length: 100 – 170 ft Radius of Curvature: 34 – 51 ft Stormwater Controls: Bioretention Downstream from Donahue Drive, 12/02 Graphic Illustration of Stream Pattern Not Intended for Construction Specifications

  4. Reach B Existing Conditions: Stream Length: 1110 ft Drainage Area: 0.57 mi2 Slope: 0.009 ft/ft Stream Type: E4 Streambank Erodibility: Very High Riparian Condition: Fair Restoration Potential: Poor (due to surrounding landuse constraint) Greenway Potential: Fair Downstream from Biggio Drive, 3/03 Graphic Illustration of Stream Dimension Not Intended for Construction Specifications

  5. Reach B Conceptual Design Parameters: Stream Type: E4 Channel Bankfull Area: 43 ft2 Channel Bankfull Width: 23 ft Channel Bankfull Mean Depth: 1.9 ft Channel Width to Depth Ratio: 12 Entrenchment Ratio: 3.0 Bank Height Ratio: 1.0 Sinuosity: 1.1 Belt Width: 43 ft Meander Length: 140 – 230 ft Radius of Curvature: 46 – 69 ft Stormwater Controls: Bioretention, Wetland, Level Spreaders Upstream Culvert at Biggio Drive, 3/03 Graphic Illustration of Stream Pattern Not Intended for Construction Specifications

  6. Reach C Existing Conditions: Stream Length: 868 ft Drainage Area: 0.61 mi2 Slope: 0.008 ft/ft Stream Type: G4 Streambank Erodibility: Very High Riparian Condition: Fair Restoration Potential: Good Greenway Potential: Good Mid-Reach Facing Downstream, 3/03 Graphic Illustration of Stream Dimension Not Intended for Construction Specifications

  7. Reach C Conceptual Design Parameters: Stream Type: E4 Channel Bankfull Area: 45 ft2 Channel Bankfull Width: 23 ft Channel Bankfull Mean Depth: 1.9 ft Channel Width to Depth Ratio: 12 Entrenchment Ratio: 5.0 Bank Height Ratio: 1.0 Sinuosity: 1.3 Belt Width: 90 ft Meander Length: 140 – 230 ft Radius of Curvature: 46 – 69 ft Stormwater Controls: Wetland Downstream from West Samford Avenue, 3/03 Graphic Illustration of Stream Pattern Not Intended for Construction Specifications

  8. Reach D Existing Conditions: Stream Length: 916 ft Drainage Area: 1.2 mi2 Slope: 0.004 ft/ft Stream Type: G4 Streambank Erodibility: High Riparian Condition: Fair Restoration Potential: Good Greenway Potential: Good Mid-Reach Facing Downstream, 3/03 Graphic Illustration of Stream Dimension Not Intended for Construction Specifications

  9. Reach D Conceptual Design Parameters: Stream Type: E4 Channel Bankfull Area: 70 ft2 Channel Bankfull Width: 29 ft Channel Bankfull Mean Depth: 2.4 ft Channel Width to Depth Ratio: 12 Entrenchment Ratio: 5.0 Bank Height Ratio: 1.0 Sinuosity: 1.3 Belt Width: 118 ft Meander Length: 174 – 290 ft Radius of Curvature: 58 – 87 ft Stormwater Controls: None Downstream Culvert at Lem Morrison Drive, 3/03 Graphic Illustration of Stream Pattern Not Intended for Construction Specifications

  10. Reach E Existing Conditions: Stream Length: 640 ft Drainage Area: 0.58 mi2 Slope: 0.009 ft/ft Stream Type: G4 Streambank Erodibility: Very High Riparian Condition: Fair Restoration Potential: Good Greenway Potential: Good Downstream from Biggio Drive, 3/03 Graphic Illustration of Stream Dimension Not Intended for Construction Specifications

  11. Reach E Conceptual Design Parameters: Stream Type: E4 Channel Bankfull Area: 44 ft2 Channel Bankfull Width: 23 ft Channel Bankfull Mean Depth: 1.9 ft Channel Width to Depth Ratio: 12 Entrenchment Ratio: 5.0 Bank Height Ratio: 1.0 Sinuosity: 1.3 Belt Width: 100 ft Meander Length: 140 – 230 ft Radius of Curvature: 46 – 69 ft Stormwater Controls: Bioretention, Swale Graphic Illustration of Stream Pattern Not Intended for Construction Specifications

  12. Reach F (upstream) Existing Conditions: Stream Length: 100 ft Drainage Area: 0.56 mi2 Slope: 0.008 ft/ft Stream Type: G4 Streambank Erodibility: Very High Riparian Condition: Fair Restoration Potential: Good Greenway Potential: Good Downstream from West Samford Ave, 3/03 Graphic Illustration of Stream Dimension Not Intended for Construction Specifications

  13. Reach F (downstream) Existing Conditions: Stream Length: 511 ft Drainage Area: 0.57 mi2 Slope: 0.008 ft/ft Stream Type: G4 Streambank Erodibility: High Riparian Condition: Fair Restoration Potential: Good Greenway Potential: Good Mid-reach facing downstream, 3/03 Graphic Illustration of Stream Dimension Not Intended for Construction Specifications

  14. Reach F Conceptual Design Parameters: Stream Type: E4 Channel Bankfull Area: 44 ft2 Channel Bankfull Width: 23 ft Channel Bankfull Mean Depth: 1.9 ft Channel Width to Depth Ratio: 12 Entrenchment Ratio: 5.0 Bank Height Ratio: 1.0 Sinuosity: 1.3 Belt Width: 75 ft Meander Length: 140 – 230 ft Radius of Curvature: 46 – 69 ft Stormwater Controls: Bioretention, Level Spreaders Graphic Illustration of Stream Pattern Not Intended for Construction Specifications

  15. Reach H (downstream) Existing Conditions: Stream Length: 900 ft Drainage Area: 0.48 mi2 Slope: 0.009 ft/ft Stream Type: E4 Streambank Erodibility: Moderate Riparian Condition: Fair Restoration Potential: Fair Greenway Potential: Good Mid-reach facing downstream, 3/03 Graphic Illustration of Stream Dimension Not Intended for Construction Specifications

  16. Reach H (downstream) Conceptual Design Parameters: Stream Type: E4 Channel Bankfull Area: 40 ft2 Channel Bankfull Width: 22 ft Channel Bankfull Mean Depth: 1.8 ft Channel Width to Depth Ratio: 12 Entrenchment Ratio: 6.0 Bank Height Ratio: 1.0 Sinuosity: 1.3 Belt Width: 100 ft Meander Length: 132 – 220 ft Radius of Curvature: 44 – 66 ft Stormwater Controls: Wetland Graphic Illustration of Stream Pattern Not Intended for Construction Specifications

  17. Reach I Existing Conditions: Stream Length: 573 ft Drainage Area: 0.10 mi2 Slope: 0.024 ft/ft Stream Type: E4b Streambank Erodibility: High Riparian Condition: Poor Restoration Potential: Good Greenway Potential: Good Downstream along West Thatch Ave, 3/03 Graphic Illustration of Stream Dimension Not Intended for Construction Specifications

  18. Reach I Conceptual Design Parameters: Stream Type: E4 Channel Bankfull Area: 14 ft2 Channel Bankfull Width: 12 ft Channel Bankfull Mean Depth: 1.2 ft Channel Width to Depth Ratio: 11 Entrenchment Ratio: 6.0 Bank Height Ratio: 1.0 Sinuosity: 1.3 Belt Width: 48 ft Meander Length: 72 – 120 ft Radius of Curvature: 24 – 36 ft Stormwater Controls: Wetland Graphic Illustration of Stream Pattern Not Intended for Construction Specifications

  19. Reach K Existing Conditions: Stream Length: 909 ft Drainage Area: 0.10 mi2 Slope: 0.021 ft/ft Stream Type: E4b Streambank Erodibility: Moderate Riparian Condition: Poor Restoration Potential: Fair Greenway Potential: Fair Mid-Stream Facing Downstream, 3/03 Graphic Illustration of Stream Dimension Not Intended for Construction Specifications

  20. Reach P (upstream) Existing Conditions: Stream Length: 500 ft Drainage Area: 1.53 mi2 Slope: 0.005 ft/ft Stream Type: E4 Streambank Erodibility: High Riparian Condition: Fair Restoration Potential: Good Greenway Potential: Good Downstream from Lem Morrison Drive, 3/03 Graphic Illustration of Stream Dimension Not Intended for Construction Specifications

  21. Reach P (downstream) Existing Conditions: Stream Length: 549 ft Drainage Area: 1.58 mi2 Slope: 0.005 ft/ft Stream Type: E4 Streambank Erodibility: High Riparian Condition: Fair Restoration Potential: Good Greenway Potential: Good Mid-Reach Facing Downstream, 3/03 Graphic Illustration of Stream Dimension Not Intended for Construction Specifications

  22. Reach P Conceptual Design Parameters: Stream Type: E4 Channel Bankfull Area: 81 ft2 Channel Bankfull Width: 31 ft Channel Bankfull Mean Depth: 2.6 ft Channel Width to Depth Ratio: 12 Entrenchment Ratio: 5.0 Bank Height Ratio: 1.0 Sinuosity: 1.3 Belt Width: 140 ft Meander Length: 186 – 310 ft Radius of Curvature: 62 – 93 ft Stormwater Controls: Livestock Exclusion, Cattle Crossings Downstream Biggio Drive, 3/03 Graphic Illustration of Stream Pattern Not Intended for Construction Specifications

  23. Reach Q Existing Conditions: Stream Length: 2257 ft Drainage Area: 1.95 mi2 Slope: 0.005 ft/ft Stream Type: E4 Streambank Erodibility: Moderate Riparian Condition: Fair Restoration Potential: Fair Greenway Potential: Good Mid-Reach Facing Downstream, 12/02 Graphic Illustration of Stream Dimension Not Intended for Construction Specifications

  24. Reach R Existing Conditions: Stream Length: 2061 ft Drainage Area: 0.10 mi2 Slope: 0.018 ft/ft Stream Type: E4 Streambank Erodibility: Moderate Riparian Condition: Poor Restoration Potential: Good Greenway Potential: Good Downstream from Wire Road, 12/02 Graphic Illustration of Stream Dimension Not Intended for Construction Specifications

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