SUCCESSFUL IMPLEMENTATION OF STEEL COATING AND BRIDGE REHAB PROJECTS

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1 SUCCESSFUL IMPLEMENTATION OF STEEL COATING AND BRIDGE REHAB PROJECTS Aaron Garza, P.E. 10/11/17

2 Table Of Contents 1 Rainbow Bridge: Overview Rainbow Bridge: Inspection Records 5 3 Rainbow Bridge: Paint Defects/Repairs Rainbow Bridge: Contract Estimate and Total Cost Rainbow Bridge: Successes Successful Rehabilitation Implementation

3 Rainbow Bridge: Overview Image by KBMT-TV via 12newsnow.com SH 73 WB over Neches River Bridge Length: Built: 1938 Rehab:

4 Rainbow Bridge: Overview 4

5 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: Coating Assessment Overcoating not practical. 5

6 Rainbow Bridge: Paint Defects (Typical) 6

7 Rainbow Bridge: Paint Defects (Typical) 7

8 Rainbow Bridge: Paint Defects (Typical) 8

9 Rainbow Bridge: Paint Defects (Typical) 9

10 Rainbow Bridge: Paint Defects (Structural?) 10

11 Rainbow Bridge: Paint Defects (Structural?) 11

12 Rainbow Bridge: Paint Defects (Structural) 12

13 Rainbow Bridge: Paint Repairs (Structural) 13

14 Rainbow Bridge: Paint Repairs (Structural) 14

15 Rainbow Bridge: Paint Repairs (Structural) 15

16 Rainbow Bridge: Paint Repairs (Structural) 16

17 Rainbow Bridge: Paint Repairs (Structural) Up to 40% Section Loss 17

18 Rainbow Bridge: Paint Repairs (Structural) 18

19 Rainbow Bridge: Paint Repairs (Structural) 19

20 Rainbow Bridge: Paint Repairs (Structural) 20

21 Rainbow Bridge: Paint Repairs (Structural) 21

22 Rainbow Bridge: Paint Repairs (Structural) 22

23 Rainbow Bridge: Paint Repairs (Structural) 23

24 Rainbow Bridge: Paint Repairs (Structural) 24

25 Rainbow Bridge: Paint Repairs (Structural) 25

26 Rainbow Bridge: Paint Repairs (Structural) 26

27 Rainbow Bridge: Contract Estimate and Total Cost 27

28 Rainbow Bridge: Contract Estimate and Total Cost 28

29 Rainbow Bridge: Contract Estimate and Total Cost 29

30 Rainbow Bridge: Contract Estimate and Total Cost Traffic Control: $249, Steel Repair: $1,294,580 Other: $49, Total: $1,593,

31 Rainbow Bridge: Contract Estimate and Total Cost 31

32 Rainbow Bridge: Contract Estimate and Total Cost 32

33 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 33

34 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 Rainbow Bridge Veterans Bridge 34

35 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 Rainbow Bridge WB EB Veterans Bridge 35

36 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 Morning Rush (Before 9:00 AM) Rainbow Bridge (Full Closure) WB EB Veterans Bridge 36

37 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 9:00 AM 3:00 PM Rainbow Bridge (Full Closure) WB EB Veterans Bridge 37

38 Successful Rehabilitation Implementation Field Visit / Assessment Bridge Condition Survey Plan Preparation Rehab / Construction Document Traffic Control Schedule / Sequence of Work Project Specific Awareness Meetings / Coordination 38

39 Successful Rehabilitation Implementation Field Visit / Assessment Bridge Condition Survey Plan Preparation Rehab / Construction Document Traffic Control Schedule / Sequence of Work Project Specific Awareness Meetings / Coordination 39

40 Successful Rehabilitation Implementation Paint Systems System I-A System I-B System II System III-A System III-B System IV When to Use? Used as a maintenance overcoat Used as an overcoat in high corrosive environments. Used for field painting bridges throughout the state except along the coast. Used for field painting coastal bridges. Used for shop painting new steel intended for the coast. Used for shop painting new steel not intended for the coast. Inside TxDOT Divisions Bridge Webinars Painting Practices Preferred Practices Johnnie Miller 40

41 Successful Rehabilitation Implementation Departmental Material Specifications (DMS) Special Material Requirements Material Producer List Home > Inside TxDOT > Division > Construction Concrete Repair Manual Damage Assessment and Repair Types Repair Materials and Procedures Home > Inside TxDOT > Division > Construction Crossroads > TxDOT Manuals 41

42 Successful Rehabilitation Implementation Field Visit / Assessment Bridge Condition Survey Plan Preparation Rehab / Construction Document Traffic Control Schedule / Sequence of Work Project Specific Awareness Meetings / Coordination 42

43 Successful Rehabilitation Implementation 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 Leon Flournoy, P.E Lianxiang Du, P.E Aaron Garza, P.E

44 Aaron Garza, P.E. TxDOT Bridge Division C&M Branch Office:

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