SUCCESSFUL IMPLEMENTATION OF STEEL COATING AND BRIDGE ...€¦ · Rainbow Bridge: Overview 4....

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

Table Of Contents

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

SH 73 WB over Neches River

Bridge Length: 7707’-0”

Built: 1938

Rehab: 1997

Rainbow Bridge: Overview

Image by KBMT-TV via 12newsnow.com

Rainbow Bridge: Overview

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.

Successful Implementation of Steel Coating and Bridge Rehab Projects 10/11/17 6

Rainbow Bridge: Paint Defects (Typical)

Rainbow Bridge: Paint Defects (Structural?)

Rainbow Bridge: Paint Defects (Structural)

Rainbow Bridge: Paint Repairs (Structural)

Up to 40% Section Loss

Traffic Control: $249,902.75

Steel Repair: $1,294,580

Other: $49,202.66

Total: $1,593,685.41

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

Rainbow Bridge Veterans

Bridge

– Hands on

Rainbow Bridge

Veterans

Bridge

– Hands on

Rainbow Bridge

(Full Closure)

Veterans

Bridge

Morning Rush

(Before 9:00 AM) Good consultant team.

– Hands on

Rainbow Bridge

(Full Closure)

Veterans

Bridge

9:00 AM – 3:00 PM

– Hands on

Meetings /

Coordination

Project

Specific

Awareness

Schedule /

Sequence

of Work

Traffic

Control

Field Visit / AssessmentBridge

Condition SurveyPlan Preparation Rehab / Construction Document

Meetings /

Coordination

Project

Specific

Awareness

Schedule /

Sequence

of Work

Traffic

Control

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

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

Meetings /

Coordination

Project

Specific

Awareness

Schedule /

Sequence

of Work

Traffic

Control

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

Aaron Garza, P.E.

TxDOT Bridge Division

C&M Branch

Office: 512-416-2586

Aaron.Garza@txdot.gov

SUCCESSFUL IMPLEMENTATION OF STEEL COATING AND BRIDGE ...€¦ · Rainbow Bridge: Overview 4....

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