SUCCESSFUL IMPLEMENTATION OF STEEL COATING AND BRIDGE ...€¦ · Rainbow Bridge: Overview 4. Successful Implementation of Steel Coating and Bridge Rehab Projects 10/11/17 Rainbow

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

2

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

1

2

3

4

5

6


SH 73 WB over Neches River

Bridge Length: 7707’-0”

Built: 1938

Rehab: 1997

Rainbow Bridge: Overview

3

Image by KBMT-TV via 12newsnow.com


Rainbow Bridge: Overview

4


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.

5

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

Rainbow Bridge: Paint Defects (Typical)



7





9


Rainbow Bridge: Paint Defects (Structural?)


Rainbow Bridge: Paint Defects (Structural?)

11


Rainbow Bridge: Paint Defects (Structural)

12


Rainbow Bridge: Paint Repairs (Structural)

13



14



15



16



17

Up to 40% Section Loss



18



19



20



21



22



23



24



25



26



27



28



29



30

Traffic Control: $249,902.75

Steel Repair: $1,294,580

Other: $49,202.66

Total: $1,593,685.41



31



32



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

33



34

Rainbow Bridge Veterans

Bridge




– Hands on







35

Rainbow Bridge

WB

EB

Veterans

Bridge




– Hands on







36

Rainbow Bridge

(Full Closure)

WB

EB

Veterans

Bridge

Morning Rush

(Before 9:00 AM) Good consultant team.



– Hands on







37

Rainbow Bridge

(Full Closure)

WB

EB

Veterans

Bridge

9:00 AM – 3:00 PM




– Hands on







38

Meetings /

Coordination

Project

Specific

Awareness

Schedule /

Sequence

of Work

Traffic

Control

Field Visit / AssessmentBridge

Condition SurveyPlan Preparation Rehab / Construction Document



39

Meetings /

Coordination

Project

Specific

Awareness

Schedule /

Sequence

of Work

Traffic

Control





40

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



41

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



42

Meetings /

Coordination

Project

Specific

Awareness

Schedule /

Sequence

of Work

Traffic

Control





43

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

[email protected]

Documents

SUCCESSFUL IMPLEMENTATION OF STEEL COATING AND BRIDGE ...€¦ · Rainbow Bridge: Overview 4. Successful Implementation of Steel Coating and Bridge Rehab Projects 10/11/17 Rainbow