Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian...
Transcript of Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian...
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Marion Street Pedestrian Bridge30% Preliminary Design
August 2nd, 2018
city of seattle
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Organization Chart
Rosales + Partners Bridge Design
Miguel Rosales, AIABridge Designer
HDR Engineer of Record
Paul Bott, PE, SEProject Manager
Office of the Waterfront
City of Seattle
Project is WSDOT funded
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Bridge Design Goals
1. Provide grade separated connection for patrons of Colman Dock Facility which improves dock operations and pedestrian circulation.
2. Provide a cost-effective, durable and context sensitive bridge solution which enhances the Waterfront as a place for people.
3. Enhance the City of Seattle Colman Dock Hub Strategy which creates a critical connection point between WSF, Transit, Streetcar, and support other hubs at King Street Station and Westlake.
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Existing Context
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Marion Street Bridge Existing Conditions
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Bridge Design Criteria
1. Minimum width between railings: 16’-0”
2. Minimum height of railings: 42”
3. Minimum Alaskan Way Roadway Clearance: 20-0”
4. Promenade Clearance: 14'-0" to 16'-0"
5. Minimum number of piers in the right of away
6. Safety and Aesthetic Lighting
7. Details and materials compatibility with Colman Dock Ferry Terminal
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February 2016 Design Options
Option 1Extradosed CIP Concrete
Option 3Fink Truss Steel
Option 2CIP Concrete
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Marion Street Bridge Concept
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Marion Street Pedestrian Bridge Replacement Project
PHASE 1
PHASE 1
Potential Future Phase
Potential Future Phase
Elevator
Elevators
+/- 110’+/- 480’+/- 175’
44’ 47’-81/2”
44’ 47’-81/2”
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Architectural Plan and Elevation - Main Span
39’-6” 105’ 45’-21/2”
44’ 110’ 47’-81/2”
+/-2
0’-6
”
Cle
aran
ce20
’
+/-2
3’-7
”
Slope 4.8%Slope 1.5%
44’ 110’ 47’-81/2”
16’
22’-2
”
16’
22’-2
”
16’Slope 4.8%Slope 1.5%
6’-1
”
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Architectural / Structural Piers - Main Span
+/-
+/-
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Architectural Sections - Main Span and Approach
Main Span Section
Approach Span Section
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Architectural / Structural Piers - Approach
+/-
+/-
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Lighting Details - Main Span and Approach
46’-1”
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Railing Details - Approach Bridge
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Railing Details - Main Span
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Railing Details - Approach Bridge Side
ELEVATED WALKWAY
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Railing Details - Ferry Terminal Side
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Railing Details - Ferry Terminal Side
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Temporary Transition Ramp – Plan and Elevation
+/- 67’
+/- 67’
Slope 5%
10’-1
0”
8’-2
”
17’-1
0”16
’ Slope 1.5%
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Architectural Section – Temporary Transition
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Temporary Transition Ramp
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Temporary Transition Ramp
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Temporary Transition Ramp
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Temporary Transition Ramp
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Temporary Transition Ramp
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Marion Street Pedestrian Bridge
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Potential Future Phase
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Marion Street Pedestrian BridgeQUESTIONS AND ANSWERS