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Miller Road

Miller Road. Michael G. Darga, P.E. March 3, 2009. A Case Study in Urban Road Stormwater Treatment. What this project is…. A practical review of storm water management on a primary road in an urban environment Items to consider in planning a storm water management project.

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Miller Road

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  1. Miller Road Michael G. Darga, P.E. March 3, 2009 A Case Study in Urban Road Stormwater Treatment

  2. What this project is… • A practical review of storm water management on a primary road in an urban environment • Items to consider in planning a storm water management project

  3. Rouge River &Rouge Plant Ford Motor Company’s Rouge Complex Rouge River

  4. Rouge Gateway Miller Road Rouge Plant

  5. Rouge Gateway – Rouge Plant Miller Road

  6. Rouge Plant – Yesterday & Tomorrow Rouge Plant - 2004 Rouge Plant ca. 1920

  7. Miller Road - Yesterday circa 1939

  8. Urban Stormwater Treatment Where to Start ?? • Assemble project partners • Government • Ford • UAW

  9. Urban Stormwater Treatment Where to Start ?? • Agree on project outcomes • Engineers • Landscape Architects • Planners • Create the plan

  10. Major Design Issues • Pavement & Roadway Design • Soils Investigation • Traffic & Safety (AASHTO) • Drainage Design • Detention requirements • Sewer hydraulics • Landscaping & plant selection • And …

  11. Most Important • Pavement & Water do not mix !!! • How to treat stormwater and not affect the life of the pavement • How to change attitudes

  12. Miller Road - A New Vision • Reduced Number of Pavement Lanes • Depressed Median Swales • Stormwater Detention • Swirl Concentrator Outlets • Extensive Right-of-Way Vegetation

  13. Proposed Roadway • Four lane boulevard • Reduced from six existing lanes • Modern median turn-arounds • Improved traffic management • Curbed median • Standard inlet drainage structures • Entire right-of-way & adjacent areas drain to median

  14. Boulevard Median • 12 foot lanes • 36 foot wide median

  15. Depressed Median Swale • Depressed median swales • Drainage structure inlets drain to median • Vegetated filter • Native type plants – Genesis Swale Mix • Salt & Drought Tolerant • “First Flush” Treatment (2 year storm) • Detention (maximum depth of 2 feet) • Infiltration (below 1 foot depth)

  16. Median Cross-Section

  17. Swale Inlets

  18. Swale Outlet Structures

  19. Outlet Structure Section

  20. Swale – Top View

  21. Detention • Limited to two year storm • Maximum depth of 2 feet • Infiltration depth of 1 foot

  22. View from Swale Interior

  23. Swirl Concentrators • Where swales are impractical • “Swirl” style concentrators • Vortechnics Units • Outlet to existing storm sewers • 10 year storm w/ 80% removal

  24. Improved Roadside Aesthetics • Improved roadside green space • Trees and other landscaping • Drought / Salt Tolerant • Irrigation (using “mill” water) • New sidewalks • New lighting

  25. Roadside Aesthetics

  26. Project Partners • Owner: Wayne County • City of Dearborn • Roadway Funding: MDOT • Engineer: Mannik & Smith Group • Architect: McDonough & Associates • Landscape Architect: Harley Ellis • Facilitator: Ford Motor Company

  27. Funding • Preliminary Engineering • Ford Motor Company • Road Construction • MDOT (Build Michigan III) • Landscaping - Ford Motor Company • Construction Engineering - Wayne County • Sidewalk & Lighting - City of Dearborn

  28. Thank You

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