Oakland Jr. High – STEM Classes – Project Update and 3D Printing March 26, 2015.

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Oakland Jr. High STEM Classes – Project Update and 3D Printing March 26, 2015

Transcript of Oakland Jr. High – STEM Classes – Project Update and 3D Printing March 26, 2015.

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St. Croix Crossing Project

Project Development/Construction update:

Todd Clarkowski, P.E.St. Croix Crossing Project Coordinator

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St. Croix Crossing Project Area

Bayport

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The New St. Croix Crossing

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The New St. Croix Crossing

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The New St. Croix Crossing

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The New St. Croix Crossing – night time

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TH95 under Bridge

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Roadway View

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Roadway View – night time

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The New St. Croix Crossing

http://youtu.be/wH058zyvHfU

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Animations

Lift Bridge

New St. Croix Crossing

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2014 River Bridge Construction

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River Bridge Overview

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2014 River Bridge Construction

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2014/2015 River Bridge Construction

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Column Blades and Crossbeam

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Crossbeam Construction

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Crossbeam Construction

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Crossbeam Construction

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Crossbeam Construction

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Crossbeam Construction

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2014 River Bridge Construction

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2014/2015 River Bridge Construction

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2014/2015 River Bridge Construction

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2014/2015 River Bridge Construction

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2014/2015 WI Construction

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Minnesota Approach Bridge Piers–2014

Column

Footing

H-Piles

Future Groundline

Segments

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Minnesota Approach Bridge Piers–2014

As of February 2015, 22 of 23 total land piers are at full height

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Minnesota Approach Bridge Segments

approx. 40 ft.

10 ft.

- Approximately 350 pre-cast segments make up the Minnesota approach bridge superstructure

- Average weight: 90 tons- Average length: 8-1/2 feet

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On-Site Casting Yard - OPH

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On-Site Casting Yard - OPH

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On-Site Casting Yard - OPH

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Segment Placement - MN Approach Bridge

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River Bridge Cross Section – Two Precast Box Segments

100 ft.

18 ft.

Segments

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Grey Cloud Island Casting Yard

100’ x 600’ Building

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Grey Cloud Island Casting Yard

River bridge segments- 5 casting beds- 656 segments- 18 ft. deep- 10 ft. long - 50 ft. wide- Weighs 180 tons- Barged on Mississippi and St. Croix rivers to project

site- Majority of segments placed in 2015

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Segment Placement - River Bridge

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Construction Sequence

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Construction Sequence

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Construction Sequence

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Construction Sequence

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Construction Sequence

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2015 Construction

New River Bridge

Wisconsin roadway approach

Mitigation Items

NW ramp in Minnesota

Minnesota approach bridge

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Schedule

− Mn Roadway – majority completed by 2015

− WI Roadway – completed by 2016

− New River Bridge – completed by 2016

− Mitigation items -implemented “before”, “during” or “after” construction

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Project Information

Project Office1862 Greeley Street S., Stillwater

Project Website – Webcams and Weekly Update www.mndot.gov/stcroixcrossing/

Hotline1-855-GO-CROIX

[email protected]

Facebook www.facebook.com/saintcroixcrossingmndot

Twitter @stcroixcrossing

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Questions?