Semi-Final Plans Public Information Meeting · Semi-Final Plans Public Information Meeting . US...
Transcript of Semi-Final Plans Public Information Meeting · Semi-Final Plans Public Information Meeting . US...
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Semi-Final Plans Public Information Meeting
US ROUTE 4 – BRIDGE 61 OVER OTTAUQUECHEE RIVER
October 3, 2019
OCTOBER 3, 2019
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Tonight’s Agenda• Introductions• Project Status
• Budget• Schedule• Development Process
• Public Survey Results – FHI• Preliminary Plans Update – Gill
• Project Scope• Project Decisions• Lower Treatment Options• Safety Barrier Color
• Next Steps• Discussion
QUECHEE GORGE BRIDGE | PUBLIC MEETING
Potential Barrier Design
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Vermont Agency of Transportation • J. B. McCarthy, P. E., Project Manager
Gill Engineering • Amy Spera, P. E.
Fitzgerald & Halliday, Inc. – Public Outreach• Jill Barrett• Shawna Kitzman, AICP
QUECHEE GORGE BRIDGE | PUBLIC MEETING
Introductions
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Project Status• Budget
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Phase Programmed Spent-to-Date
Scoping $50,000 $45,076
PE $675,000 $208,829
ROW $0 $0
Construction $8,135,000 $0
TOTAL $8,860,000 $253,905
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Project Status• Schedule
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Project Development Process
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Preliminary Design:
Site plan and construction limits
Barrier refinement
Property owner meetings (none needed)
Right-of-Way process (not needed)
Public input on preliminary design
Final Design:
Design/detailing of bridge components (Fall ’19 - Spring ‘20)
Develop Final plans, specifications, and construction estimate
Secure ALL environmental permits and utility clearances
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Public Survey
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Survey Results• Which barrier color do you prefer?
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Black
Green
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Survey Results• Do you prefer a straight, curved, or angled upper barrier?
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Straight
Curved
Angled
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Upper Barrier Design
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Straight Curved Angled
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Survey Results• Do you prefer a lowered barrier with vertical lines or a circle design?
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Vertical Lines
Circle Design
Other
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Lower Barrier Design
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Vertical Lines Circle Design
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Survey Results
QUECHEE GORGE BRIDGE | PUBLIC MEETING
• Would you like the vehicle barrier height to be 24 inches or 34 inches?[Note: This element under design review. A 34-inch rail may not be feasible with crosswalks close to the ends of the bridge.]
24-inch barrier
34-inch barrier
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Comparison: Vehicular Barrier Height
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Considerations:• Number of rails and visibility (taller barrier has three railings)• Size of transition at the end of the bridge (bigger transition for taller railing)
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Vehicular Barrier Example
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Preliminary Plans Update
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Project Design - Gill EngineeringBridge Preservation – “Forever Bridge”
• Repair steel arch truss members• Replace deck (partial width) and new wider sidewalks• Replace joint and bearing • Waterproof membrane and pave• Clean and paint bridge• Stabilize the eastern shale slope• Apply water-repellant to substructures, sidewalks and fascias
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Project Design - Gill EngineeringSafety Improvements
• Curb-mounted vehicular railing• Increased sidewalk width = 6’-0” (existing = 3’-6”)• Pedestrian safety barrier• Sidewalk extensions to parking lots (West) and Visitor’s Center
(East)
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Existing Bridge Cross Section
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Proposed Bridge Cross Section
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Existing Sidewalk Connectivity
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Proposed Sidewalk Connectivity
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Approach Sidewalks (design is in progress)
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Pedestrian Safety BarrierBarrier Design Considerations:• Total Height = 9’
• Maximum height for bridge inspection equipment• Upper portion (above 42”) will consist of vertical steel balusters,
spaced 8” on center• Must have locations of removal panels for recovery access• Lower portion will serve as a pedestrian railing, and as such:
• Must have a rail 42” above the top of sidewalk• Must be composed of horizontal and vertical elements that are
arranged so that a 4” diameter sphere cannot pass through the clear opening
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Design Decisions to DatePaint Color: GreenUpper Barrier Treatment: Curved
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QUECHEE GORGE BRIDGE | PUBLIC MEETING
Seeking Your Input On
Lower Barrier Treatment
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Option 1:Lower Barrier Treatment – Circles
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Option 2:Lower Barrier Treatment – Bar
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Option 3:Lower Barrier Treatment – Arch
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Option 4:Lower Barrier Treatment – Arch + Bar
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Summary:Lower Barrier Treatment Options
QUECHEE GORGE BRIDGE | PUBLIC MEETING
Option 1 Option 2
Option 3 Option 4
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Barrier Color – Green
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14062 14090 14110
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Barrier Color – Green
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14062 14090 14110
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Seeking Your Input On
QUECHEE GORGE BRIDGE | PUBLIC MEETING
Pedestrian Safety Barrier: • Lower treatment:
• Option 1: circles• Option 2: bar• Option 3: arch• Option 4: arch + bar
• Color: shade of green
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Next Steps
Complete the design
Prepare documents for bidding
Advertise contract
Award bid
Hold Pre-Construction meeting with public
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Discussion
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HTTP://VTRANS.VERMONT.GOV/PROJECTS/QUECHEE
QUECHEE GORGE BRIDGE | PUBLIC MEETING