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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

Miller Road

Michael G. Darga, P.E.

March 3, 2009

A Case Study in Urban Road Stormwater Treatment

what this project is
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
rouge river rouge plant
Rouge River &Rouge Plant

Ford Motor Company’s

Rouge Complex

Rouge River

rouge gateway
Rouge Gateway

Miller Road

Rouge Plant

rouge plant yesterday tomorrow
Rouge Plant – Yesterday & Tomorrow

Rouge Plant - 2004

Rouge Plant ca. 1920

urban stormwater treatment where to start
Urban Stormwater Treatment Where to Start ??
  • Assemble project partners
    • Government
    • Ford
    • UAW
urban stormwater treatment where to start9
Urban Stormwater Treatment Where to Start ??
  • Agree on project outcomes
    • Engineers
    • Landscape Architects
    • Planners
  • Create the plan
major design issues
Major Design Issues
  • Pavement & Roadway Design
    • Soils Investigation
    • Traffic & Safety (AASHTO)
  • Drainage Design
    • Detention requirements
    • Sewer hydraulics
  • Landscaping & plant selection
  • And …
most important
Most Important
  • Pavement & Water do not mix !!!
    • How to treat stormwater and not affect the life of the pavement
    • How to change attitudes
miller road a new vision
Miller Road - A New Vision
  • Reduced Number of Pavement Lanes
  • Depressed Median Swales
  • Stormwater Detention
  • Swirl Concentrator Outlets
  • Extensive Right-of-Way Vegetation
proposed roadway
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
boulevard median
Boulevard Median
  • 12 foot lanes
  • 36 foot wide median
depressed median swale
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)
detention
Detention
  • Limited to two year storm
  • Maximum depth of 2 feet
  • Infiltration depth of 1 foot
swirl concentrators
Swirl Concentrators
  • Where swales are impractical
  • “Swirl” style concentrators
    • Vortechnics Units
    • Outlet to existing storm sewers
  • 10 year storm w/ 80% removal
improved roadside aesthetics
Improved Roadside Aesthetics
  • Improved roadside green space
    • Trees and other landscaping
      • Drought / Salt Tolerant
    • Irrigation (using “mill” water)
  • New sidewalks
  • New lighting
project partners
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
funding
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
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