SUCCESSFUL IMPLEMENTATION OF STEEL COATING AND BRIDGE ...€¦ · Rainbow Bridge: Overview 4....
Transcript of SUCCESSFUL IMPLEMENTATION OF STEEL COATING AND BRIDGE ...€¦ · Rainbow Bridge: Overview 4....
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Successful Implementation of Steel Coating and Bridge Rehab Projects 10/11/17
SUCCESSFUL IMPLEMENTATION OF STEEL COATING AND BRIDGE REHAB PROJECTSAaron Garza, P.E.
10/11/17
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Successful Implementation of Steel Coating and Bridge Rehab Projects 10/11/17
Table Of Contents
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5
6-26
27-32
33-37
38-43
3-4Rainbow Bridge: Overview
Rainbow Bridge: Inspection Records
Rainbow Bridge: Paint Defects/Repairs
Rainbow Bridge: Contract Estimate and Total Cost
Rainbow Bridge: Successes
Successful Rehabilitation Implementation
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2
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4
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Successful Implementation of Steel Coating and Bridge Rehab Projects 10/11/17
SH 73 WB over Neches River
Bridge Length: 7707’-0”
Built: 1938
Rehab: 1997
Rainbow Bridge: Overview
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Image by KBMT-TV via 12newsnow.com
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Rainbow Bridge: Overview
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Rainbow Bridge: Inspection Records
2011 Fracture Critical Inspection
– Cracks in floorbeams, widespread corrosion, pack rust and section loss,
2012 Routine Inspection
– Deck: 6
– Super: 4
– Sub: 5
2013 Coating Assessment
– Overcoating not practical.
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Rainbow Bridge: Paint Defects (Typical)
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Rainbow Bridge: Paint Defects (Typical)
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Rainbow Bridge: Paint Defects (Structural?)
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Rainbow Bridge: Paint Defects (Structural?)
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Rainbow Bridge: Paint Defects (Structural)
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Rainbow Bridge: Paint Repairs (Structural)
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Up to 40% Section Loss
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Rainbow Bridge: Contract Estimate and Total Cost
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Traffic Control: $249,902.75
Steel Repair: $1,294,580
Other: $49,202.66
Total: $1,593,685.41
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Rainbow Bridge: Successes
Good consultant team.
Experienced structural rehab contractor.
– Good working relationship
– Hands on
– Looked for opportunities
Traffic Control Improvements
– Full access to bridge
– Overheight loads had a safe detour route
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Rainbow Bridge Veterans
Bridge
Good consultant team.
Experienced structural rehab contractor.
– Good working relationship
– Hands on
– Looked for opportunities
Traffic Control Improvements
– Full access to bridge
– Overheight loads had a safe detour route
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Rainbow Bridge
WB
EB
Veterans
Bridge
Good consultant team.
Experienced structural rehab contractor.
– Good working relationship
– Hands on
– Looked for opportunities
Traffic Control Improvements
– Full access to bridge
– Overheight loads had a safe detour route
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Rainbow Bridge
(Full Closure)
WB
EB
Veterans
Bridge
Morning Rush
(Before 9:00 AM) Good consultant team.
Experienced structural rehab contractor.
– Good working relationship
– Hands on
– Looked for opportunities
Traffic Control Improvements
– Full access to bridge
– Overheight loads had a safe detour route
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Rainbow Bridge
(Full Closure)
WB
EB
Veterans
Bridge
9:00 AM – 3:00 PM
Good consultant team.
Experienced structural rehab contractor.
– Good working relationship
– Hands on
– Looked for opportunities
Traffic Control Improvements
– Full access to bridge
– Overheight loads had a safe detour route
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Meetings /
Coordination
Project
Specific
Awareness
Schedule /
Sequence
of Work
Traffic
Control
Field Visit / AssessmentBridge
Condition SurveyPlan Preparation Rehab / Construction Document
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Meetings /
Coordination
Project
Specific
Awareness
Schedule /
Sequence
of Work
Traffic
Control
Field Visit / AssessmentBridge
Condition SurveyPlan Preparation Rehab / Construction Document
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Paint Systems When to Use?
System I-A Used as a maintenance overcoat
System I-B Used as an overcoat in high corrosive environments.
System II Used for field painting bridges throughout the state except along the coast.
System III-A Used for field painting coastal bridges.
System III-B Used for shop painting new steel intended for the coast.
System IV Used for shop painting new steel not intended for the coast.
www.txdot.gov → Inside TxDOT → Divisions → Bridge → Webinars
Painting Practices – Preferred Practices Johnnie Miller
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Departmental Material Specifications (DMS)
– Special Material Requirements
Home > Inside TxDOT > Division > Construction
Material Producer List
Home > Inside TxDOT > Division > Construction
Concrete Repair Manual
– Damage Assessment and Repair Types
– Repair Materials and Procedures
Crossroads > TxDOT Manuals
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Meetings /
Coordination
Project
Specific
Awareness
Schedule /
Sequence
of Work
Traffic
Control
Field Visit / AssessmentBridge
Condition SurveyPlan Preparation Rehab / Construction Document
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Coatings and Traffic Materials Branch
– Paint Inspection Team
Structural Steel Inspectors
– Ron Reeves
– Angelo Engelhardt
– Wade Vogues
Bridge Construction and Maintenance Branch
• Kevin Pruski, P.E. 512-416-2306
• Leon Flournoy, P.E. 512-416-2493
• Lianxiang Du, P.E. 512-416-2341
• Aaron Garza, P.E. 512-416-2586
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Aaron Garza, P.E.
TxDOT Bridge Division
C&M Branch
Office: 512-416-2586