Travis Butz, PE, Burgess & Niple

Module 3: Design-Build Bidding, ABC, and Maintenance of Traffic

ABC-UTC In-Depth Web TrainingMilton Madison Bridge Replacement: the Mega-Lateral Slide

November 10, 2015COWI POWERPOINT

2

Existing Bridge

• 2012 Indiana & Kentucky Issue Request• Design Build Project• Replace Bridge at Same Location as Existing• Bridge Must Be Closed During Construction

Existing Bridge

Proposed Bridge

Bid Documents

240 vehicles per hour 5 AM to 9 PM

We’re gonna need a bigger boat!

240 Vehicles Per Hour

$$$

November 10, 2015

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Bidding Formula

[A + B]

A = construction cost (including ferry)B = closure days x $25,000/day.

$25,000 x 365 = $ 9.1 Million

Bidding Phase

Sliding Idea

Buckland & Taylor

Burgess & Niple

Walsh

Bid Opening – September 22, 2010

› Five Contractors submitted bids

› Awarded to Walsh Construction:

› Cost to construct project $103 Million

› Length of bridge closure 10 days

› State’s Estimate $125 Million

Construction Sequence:

Construction Sequence:

Construction Sequence:

Construction Sequence:

Construction Sequence:

Construction Sequence:

Construction Sequence:

Temporary Approaches:

Temporary Approaches:

Temporary Approaches:

Pier Retrofits

• Increase bending strength below river bottom

• Increase bending strength above river bottom

• Temporarily support temporary pier

• Support wider superstructure

Pier Strengthening

Construction Sequence – Temporary Piers

Existing Bridge

Temporary Pier

New Truss Span Floated in on Barges

New Truss Span Lifted by Strand Jacks

Sliding Girder Inserted

Truss Span Set Down on Sliding Girder

New Pier Cap

Completed New Spans Slid into Final Position

“Span D” KY Sliding Span

Span D

2013 JUNE 05

Span D Kentucky Sliding Span

2013 JUNE 05

Temporary Sliding Bearings

3” Conduit for Pulling Strand

Span D Slide

Span D Slide

Span D Sliding: Time-Lapse Video

• The A + B bidding formula can be a great tool to encourage bidders to innovate.

• Maintaining traffic can be really complicated!

• Sliding small bridges is easier than sliding big bridges.

Lessons Learned:

Questions?

Thanks to the following for photos and other material included in this presentation :

• Walsh Construction• Charlie Gannon• Deborah Crawford (Milton Madison Facebook page)• Michael Baker, Inc.• Buckland and Taylor