9-Noack - Final SEAOI Noack · handles gusset plates Rehabilitation of Division Street Bridge 19 19...
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5/13/2016 1 Rehabilitation of Division Street Bridge Structural Engineers Association of Illinois 13 th Annual Midwest Bridge Symposium April 28, 2016 Presented By: Brad Noack, PE, SE Project Manager Rehabilitation of Division Street Bridge 2 Rehabilitation of Division Street Bridge Owner: City of Blue Island Engineering Team: Prime Consultant – Lochner Roadway/Survey/Civil Sub-Consultant – Robinson Engineering Electrical Sub-Consultant – AAA Engineering Construction Management: Lochner Contractor: Kenny Construction Rehabilitation of Division Street Bridge 3 Location Map Project Location Project Location N
Transcript of 9-Noack - Final SEAOI Noack · handles gusset plates Rehabilitation of Division Street Bridge 19 19...
5/13/2016
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Rehabilitation of Division Street Bridge
Structural Engineers Association of Illinois13th Annual Midwest Bridge SymposiumApril 28, 2016
Presented By: Brad Noack, PE, SEProject Manager
Rehabilitation of Division Street Bridge 2
Rehabilitation of Division Street Bridge
Owner:City of Blue Island
Engineering Team:Prime Consultant – LochnerRoadway/Survey/Civil Sub-Consultant – Robinson EngineeringElectrical Sub-Consultant – AAA Engineering
Construction Management:Lochner
Contractor:Kenny Construction
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Location Map
Project LocationProject Location
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Existing Camelback Thru Truss Bridge
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Existing Camelback Thru Truss Bridge
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• Large assets for suburb of 20,000• No maintenance in 40 years, 10 tons posted in 2003
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Background
Previous 1921 Structure
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• 2004 Phase I study by Robinson Engineering• No Phase III funding, project stalls
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Background
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• Lochner named NBIS Program Manager• Begins hands-on inspection of Chatham/Division bridges
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2007 Fracture Critical Inspection
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• Findings -
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2007 Fracture Critical Inspection
Severe corrosion under floor drains and joints!
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Recommendations:• Reduce posting to 3 tons• Major repairs needed!
Result:• No emergency vehicle/school bus crossing• No funding for repairs
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2007 Fracture Critical Inspection
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• No funds for required hands-on fracture critical inspection• Visual inspection shows worsening conditions
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2010 Closure
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Illinois Major Bridge Program funding request was rejected, but yielded valuable feedback
Reasons given:• Lack of justification for costs (up-to-date scope and cost
estimates needed)• Low ADT = 4,000 (2030)
Action Items:• Update Phase I study• City to develop TIF District
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Quest for Rehabilitation Funding
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Scope:• Hands-on Inspection• Load Rating Analysis• BCR w/ Life Cycle Cost Analysis• Repair or Replace?
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2012 Phase I Update
Load up the barge!
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Scope:• No As-Builts exist – field
measure everything
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2012 Phase I Update
Many members are different than original plans suggest…up to 25% larger
Roadway stringers:Per Plan = W24x76Field Verified = W27x94
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Scope:• Load Rating Analysis
o AASHTOWare BrRo As-Built and As-Inspected Ratings
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2012 Phase I Update
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Scope:• Load Rating Analysis
o BrR Truss Module for Span 2o BrR FB/Stringer Module for Span 1, 3 & 4o Use field measured sectionso Input section loss % as measured
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2012 Phase I Update
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Scope:• Load Rating Analysis
o HS-20 Inventory Rating Results Stringers RF = 0.00 in 8 locations Floorbeam RF = 0.42 under north truss joint Truss Chord RF = 1.61
Gusset Plates RF = ???
Interior FB’s RF = 1.04 (Controlling As-Built)
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2012 Phase I Update
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Scope:• FHWA Gusset Plate Load Rating
o Complete Field Documentationo Measure remaining section in corrosion areas
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2012 Phase I Update
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Scope:• FHWA Gusset Plate Load
Ratingo Failure Modes Fasteners Yielding Fracture Rupture Buckling
o Huge MathCad efforto AASHTOWare BrR now
handles gusset plates
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2012 Phase I Update
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Scope:• FHWA Gusset Plate Load Rating - Results
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2012 Phase I Update
HS-20 Gusset Inventory RF = 1.82
GOOD!
(Does not control over Truss Chord
RF = 1.61)
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Scope:• Bridge Condition Report
o Rehab Option Replace Deck (>30% defects) Replace Span 1, 3 & 4 Superstructure Replace Stringers 2 & 6/End FB’s in Span 2 Clean/Repaint Span 2
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2012 Phase I Update
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Scope:• Bridge Condition Report
o Replacement Option Backspan distance/depth not available for Plate Girder Truss or Tied Arch
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2012 Phase I Update
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Scope:• Life Cycle Cost Analysis (follows NCHRP Report 483)
o Assumed rehab extends life 35 yearso Analysis Period = 100 yearso Assumed maintenance cycleso Initial Costs = $6.8M for rehab, $12.0M for replacement
o Life Costs = $12.6M for rehab, $14.5M for replacement
Rehabilitation Option Recommended
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2012 Phase I Update
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Reasons given for previous IMBP rejection:• Lack of justification for costs (accurate data, better
justifications, proper scope and cost estimates needed)• Chatham closed permanently, ADT = 9,000 (2040)
Case made for project:• Emergency vehicle/school bus rerouting• Effects on local business• Local fund match secured through TIF• Submit fund request September 2013
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Quest for Rehabilitation Funding (Take 2)
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Scope:• Safety/durability/aesthetic improvements• Reduce Fracture Critical Members• P, S & E for complete rehabilitation
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2014 Phase II
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Scope:• Safety/durability/aesthetic improvements
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2014 Phase II
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Scope:• Safety/durability/aesthetic improvements
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2014 Phase II
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Scope:• Safety/durability/aesthetic improvements
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2014 Phase II
Joint & drain reduction• 6 open joints 4 sealed joints• 90 floor drains 8 scuppers
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Scope:• Safety/durability/aesthetic improvements
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2014 Phase II
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Scope:• Safety/durability/aesthetic improvements
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2014 Phase II
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Scope:• Safety/durability/aesthetic improvements
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2014 Phase II
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Scope:• Safety/durability/aesthetic improvements
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2014 Phase II
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Scope:• Safety/durability/aesthetic improvements
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2014 Phase II
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Scope:• Safety/durability/aesthetic improvements
o Additional improvements New weathering steel New deck is HPC Non-composite FB’s made composite
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2014 Phase II
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Scope:• Reduce Fracture Critical Members (4 FB’s Removed)
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2014 Phase II
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Scope:• Reduce Fracture Critical Members
o Consider additional loading on existing substructureo IDOT BCR Procedures Abbreviated Analysis (for “Good” condition, <115% DL) Detailed Analysis (for other cases)
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2014 Phase II
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Scope:• Reduce Fracture Critical Members
o Consider additional loading on existing substructureo IDOT BCR Procedures Abbreviated Analysis (“Good” condition, 115% DL) Detailed Analysis
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2014 Phase II
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Scope:• Reduce Fracture Critical Members
o Consider additional loading on existing substructureo IDOT BCR Procedures Abbreviated Analysis (“Good” condition, 115% DL) Detailed Analysis
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2014 Phase II
30 Ton Plans Pile Capacity x (1.36)= 40.8 Tons for Rehab Design
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Scope:• Screed analysis
o Goals No negative/excessive fillets
o Challenges No camber diagrams in plans Variable existing deck thickness
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2014 Phase II
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Scope:• Screed analysis
o Solution Deck survey at stringers NDT for deck thickness Combine for stringer
profile STAAD model Existing w/ old deck Existing w/o deck Existing w/ new deck
Determine camber anddeflection
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2014 Phase II
Average Existing Deck Thickness = 7.31”
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Scope:• Maintain water main service
o Goal 8 hour outage maximum
o Challenges Water main is attached to deck Existing deck will be removed!
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2014 Phase II
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Scope:• Maintain water main service
o Solution Temporary water main
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2014 Phase II
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NBIS inspection reports on the evening news…
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“Breaking” News
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Blue Island Bridges get media attention after Ashland also closed
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“Breaking” News
“A bridge problem in Blue Island has residents fuming, the state of Illinois scrambling and a new mayor dealing with a transportation nightmare” – abc7chicago 3/27/2014
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Lots of progress….
FUNDING SECURED per May 2014 IMBP letter!
Phase II P, S & E SUBMITTED in January 2015
Project FAST-TRACKED to June 2015 Letting
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Quest for Rehabilitation Funding
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Lots of progress….
FUNDING SECURED per May 2014 IMBP letter!
Phase II P, S & E SUBMITTED in January 2015
Project FAST-TRACKED to June 2015 Letting
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Quest for Rehabilitation Funding
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Construction begins in September 2015• Phase III Engineer – Lochner• Phase III Contractor – Kenny Construction
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2015-2016 Phase III
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2015-2016 Phase III
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2015-2016 Phase III
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2015-2016 Phase III
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2015-2016 Phase IIITruss chord web repair – 5 Contract Plan locations
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Additional defects found after deck removal…
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2015-2016 Phase III
Truss chord web repair – 5 Change Order locations
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Additional defects found after deck removal…
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2015-2016 Phase III
FB stiffener repair – 5 Change Order locations
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Additional defects found after deck removal…
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2015-2016 Phase III
FB tension rod replace – 14 Change Order locations
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Additional defects caused by deck removal…
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Additional defects caused by deck removal…
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Additional defects caused by deck removal…
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2015-2016 Phase III
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2015-2016 Phase III
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2015-2016 Phase III
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2015-2016 Phase III
Division Street Bridge
Structural Engineers Association of Illinois13th Annual Midwest Bridge SymposiumApril 28, 2016
Anticipated open to traffic July 2016
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THANK YOU!!!QUESTIONS???
Structural Engineers Association of Illinois13th Annual Midwest Bridge SymposiumApril 28, 2016
