12/19/2014
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Community Open House #2
Dec. 17, 2014
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East Aberdeen Mobility
Project
Open House #2 -12/17/14
East Aberdeen Mobility Project
About the Project
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• Continuation of 2007 Study
• Federal Funding with Local Match
• Project Team
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Project ObjectivesShort Term Solutions
• Emergency Response Plan
Full Build Solution
• Mobility on US 12
• Safety
• Emergency access
• “Real” Solutions
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Study Limits
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Project Timeline Overview
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PHASE 1 PHASE 2
Develop Alternatives:
Design Challenges - Rock and a Hard Place
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• Wishkah & Chehalis Rivers• Steep Slopes• Rail
Geography
• Underground Conflicts• Poor & Saturated SoilsGeology
•23’ vertical clearance over railroad•500’ - 600’ long Ramps•Large Vehicle Turning Radii•Pedestrian Routes
Geometry
• Financially Feasible Project• US12 is Economic Engine (delivers tourists, moves freight, access to retail)
Economics
• Minimize Impacts• Mitigate for Unavoidable impacts• Awareness of Project Delivery to Plan
for Change
People
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Narrow Down to Top 3 Design Alternatives
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Top 3 Design Concepts
Evaluation Criteria
10 Design
Concepts
Property Owner &
Businesses Concerns • Construction Cost
• Right of Way Impacts
• Environmental
• Constructability
• Traffic Flow
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Top 3 Alternatives
Alt. A:
Heron St. Flyover
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Alt. C: Chehalis St.
Overcrossing
Alt. B:Benn St. Texas-T
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Option A: Heron Street Flyover Future Condition Rendering
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Option A: Heron Street Flyover
Circulation
Ramp Cross Section
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Option B: Benn Street Texas-T Future Condition Rendering
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Option B: Benn St. Texas-T
Circulation
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Ramp Cross Section
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Option C: Chehalis St. Overpass Future Condition Rendering
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Option C: Chehalis St. OverpassCirculation
Ramp Cross Section
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Process to Select Preferred Alternative
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Preferred Alternative
Evaluation Criteria
Ranking
City & Port Staff
Evaluation
Public Feedback
• Construction Cost
• Right of Way Impacts
• Environmental
• Constructability
• Traffic Flow
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Public Feedback – Online Survey Results
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Ease congestion on US12
Reduce blockages that impede accessto neighborhood and mall
Improve safety for pedestrians andbicycles
Identify solutions that can beimplemented quickly and cost-
effectively
Improve vehicle access via eastboundlanes to neighborhood north of US12
Minimize impacts to businesses
Project Objectives RatingPreferred Alternative
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Public Feedback – Online Survey Results
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Alternate A - Heron St. Flyover
Alternate B - Benn St. Texas T
Alternate C - Chehalis St.Overcrossing
Design Alternative Ranking
Preferred Alternative
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Preferred Design Concept:Alternate C - Chehalis St. Overpass
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Next Steps:
• Phase 2– Engineering & Environmental Review Begins early 2015
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Phase 2 Steps of Interest:
• Refine Preferred Concept Design
▫ Iterative Process
▫ Evaluate Ramp Touch-down Designs
▫ Minimize Impacts
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Phase 2 Steps of Interest:
Project Aesthetics
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Roundabout
Bridge Railings &
Fencing
Retaining Walls
Phase 2:
• Property Owner Coordination
▫ Iterative Process
• Continued Public Outreach Opportunities
▫ Open Houses
▫ Roundabout Education
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Design Element - Roundabout
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Thank you!
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• Please visit Project Stations Tonight
• Sign-in List (contact information)
• Comments will be collected
• See Grays Harbor Council of Governments’ project website for more information:
▫ http://www.ghcog.org/aberdeenmobility.html