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X. Illustrated Examples

X. Illustrated Examples. A Defined Drainage Systems B Poorly Defined Drainage Systems C Collecting Runoff Adjacent to Roadways and Conveying Cross-Drainage Efficiently. X. Illustrated Examples. A Defined Drainage Systems Rim Rock Ride in Village of Oak Creek Bell Canyon Wash.

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X. Illustrated Examples

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  1. X. Illustrated Examples A Defined Drainage Systems B Poorly Defined Drainage Systems C Collecting Runoff Adjacent to Roadways and Conveying Cross-Drainage Efficiently

  2. X. Illustrated Examples A Defined Drainage Systems • Rim Rock Ride in Village of Oak Creek • Bell Canyon Wash

  3. A Defined Drainage Systems: Rim Rock Ride 1. Existing Conditions a) Field Reconnaissance • existing 3 barrel 72-inch CMPs

  4. A Defined Drainage Systems: Rim Rock Ride 1. Existing Conditions [CONTINUED] a) Field Reconnaissance • existing 3 barrel 72-inch CMPs • n-values

  5. A Defined Drainage Systems: Rim Rock Ride

  6. A Defined Drainage Systems: Rim Rock Ride 1. Existing Conditions a) Field Reconnaissance • existing 3 barrel 72-inch CMPs • n-values b) Survey • aerial • field

  7. A Defined Drainage Systems: Rim Rock Ride 1. Existing Conditions c) Hydrologic Data • Watershed Delineation

  8. A Defined Drainage Systems: Rim Rock Ride 1. Existing Conditions c) Hydrologic Data • HEC-1 • Methodology • Split Flow Analysis • Model Verification

  9. A Defined Drainage Systems: Rim Rock Ride 1. Existing Conditions c) Hydrologic Data • HEC-1 • Methodology • Green and Ampt • Clark Unit Hydrograph • Modified Puls Routing

  10. A Defined Drainage Systems: Rim Rock Ride 1. Existing Conditions c) Hydrologic Data • HEC-1 • Split Flow Analysis • Uneven Weir Program

  11. A Defined Drainage Systems: Rim Rock Ride 1. Existing Conditions c) Hydrologic Data • HEC-1 • Hydrologic Model Verification • Regional Data • UGGS Data • USGS Regional Regression Equations • Previous Studies

  12. A Defined Drainage Systems: Rim Rock Ride 1. Existing Conditions d) Floodplain Delineation • HEC-RAS • Floodway e) Culvert Hydraulics • HY-8 • Uneven Weir Program

  13. [HANDOUT Floodplain Delineation Map]

  14. A Defined Drainage Systems: Rim Rock Ride 2. Alternative Analysis a) Replace existing culvert with new box culvert b) Replace existing culvert with slab bridge c) Lower roadway profile

  15. A Defined Drainage Systems: Rim Rock Ride 2. Alternative Analysis d) Utilities e) Cost Estimates

  16. A Defined Drainage Systems: Rim Rock Ride 3. Selected Alternative

  17. [HANDOUT Selected Alternative Plan Sheet]

  18. A Defined Drainage Systems: Rim Rock Ride B Poorly Defined Drainage Systems • Moson Road • Cochise County

  19. B Poorly Defined Drainage Systems: Moson Road 1. Existing Conditions a) Hydrology • Regression Equations • Drainage Area = 4.14 mi2 • FEMA Zone A Study Area 8

  20. B Poorly Defined Drainage Systems: Moson Road 1. Existing Conditions b) Floodplain • FEMA

  21. B Poorly Defined Drainage Systems: Moson Road 2. Concept Drainage Improvements a) Hydraulics • storm frequency • erosion protection

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