abc projects - indianashrp2.transportation.org/documents/renewal/indiana.pdf · 2015-10-12 · abc...
TRANSCRIPT
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ABC Projects - Indiana
Milton Madison Bridge Slide & I70 over SR 121 Bridge Slide
Jeremy Hunter – Bridge Design Manager
August 16 , 2015
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ABC Projects - INDOT
• Past Project: Milton Madison Bridge Slide • Current Project: I-70 over SR 121• Future Projects: TBD
I-70 over SR 12
Milton Madison Bridge
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Milton Madison Bridge Slide
• Built 1929 (80+ Year Old Bridge), • Remaining Life <10 years• Functionally Obsolete (24 ft Wide)• Structurally Deficient (Posted 3 Ton 2011)
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Milton Madison Bridge Slide
• 3117 ft Long (Total), Steel Truss Superstructure (2428 ft)
• Concrete Piers • Connecting Madison-Indiana & Milton-Kentucky• AADT 11,000 VPD• 55 Mile Long Detour (Non-ABC Option)
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Milton Madison Bridge Slide
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Milton Madison Bridge Slide
• Bridge Slide TV documentary (Edited Version):
Milton Madison Bridge Slide
• Full Video Can be watched @:
http://www.miltonmadisonbridge.com
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Milton Madison Bridge Slide
Lessons Learned:• Coordination among the DB Team; Prime
Contractor, The Designer, & Subcontractors (Lifting/ Sliding)
• Contingency Plans; Equipments, Lifting, Sliding, Deck Pour, Etc.
• Communication; Meetings, Specific and Productive, Small Group Meetings if Necessary.
• Scope of Work: Clear and specific when required, Leave Room for Innovation of the DB Team.
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I-70 over SR 121 Bridge Slide
Research and Development Implementation
• Twin Structures, Three Spans Each• 2-12 ft Lane, 5’-8” & 11’-0” Shoulders (Each BD) • AADT = ~35,000 vpd (~ 50% Distribution)
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I-70 over SR 121 Bridge Slide
Research and Development Implementation
• Design Bid Build Method • Status: Stage 1 plans submitted to INDOT on
Sept. 10, Letting Apr. 2017• Closure time; 14 days for each Bound• MOT (ABC): Cross-over• MOT (Conventional): Cross-over; Longer Traffic
Queue (One Lane of Traffic for Longer Construction Time)
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I-70 over SR 121 Bridge Slide
Research and Development Implementation
Alternates: 1. DO Nothing (Not an Option)2. Conventional Construction Method (MOT =
Cross-over)3. Self-Propelled Modular Transportation
(SPMT) (MOT = Cross-over + Detour for SR 121)
4. Slide-in Construction (Cross-over)5. Hybrid Slide-in Construction (Cross-over)
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I-70 over SR 121 Bridge Slide
Alternates:
Alternate BID Option Option 3 & 4 to be Detailed
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Future ABC Projects
Implementation
TBD
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Questions ?