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Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle

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Page 1: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Marion Street Pedestrian Bridge30% Preliminary Design

August 2nd, 2018

city of seattle

Page 2: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

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

Page 3: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

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.

Page 4: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Existing Context

Page 5: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Marion Street Bridge Existing Conditions

Page 6: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

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

Page 7: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

February 2016 Design Options

Option 1Extradosed CIP Concrete

Option 3Fink Truss Steel

Option 2CIP Concrete

Page 8: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Marion Street Bridge Concept

Page 9: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

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”

Page 10: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

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

Page 11: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Architectural / Structural Piers - Main Span

+/-

+/-

Page 12: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Architectural Sections - Main Span and Approach

Main Span Section

Approach Span Section

Page 13: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Architectural / Structural Piers - Approach

+/-

+/-

Page 14: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Lighting Details - Main Span and Approach

46’-1”

Page 15: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Railing Details - Approach Bridge

Page 16: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Railing Details - Main Span

Page 17: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Railing Details - Approach Bridge Side

ELEVATED WALKWAY

Page 18: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Railing Details - Ferry Terminal Side

Page 19: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Railing Details - Ferry Terminal Side

Page 20: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Temporary Transition Ramp – Plan and Elevation

+/- 67’

+/- 67’

Slope 5%

10’-1

0”

8’-2

17’-1

0”16

’ Slope 1.5%

Page 21: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Architectural Section – Temporary Transition

Page 22: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Temporary Transition Ramp

Page 23: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Temporary Transition Ramp

Page 24: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Temporary Transition Ramp

Page 25: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Temporary Transition Ramp

Page 26: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Temporary Transition Ramp

Page 27: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Marion Street Pedestrian Bridge

Page 28: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 29: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 30: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 31: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
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Page 33: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 34: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 35: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Potential Future Phase

Page 36: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 37: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 38: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 39: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 40: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 41: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 42: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 43: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 44: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 45: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 46: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart
Page 47: Marion Street Pedestrian Bridge - Microsoft › media... · 2019-05-17 · Marion Street Pedestrian Bridge 30% Preliminary Design August 2nd, 2018 city of seattle. Organization Chart

Marion Street Pedestrian BridgeQUESTIONS AND ANSWERS