Zinc Rich Paint in a Pigeon Rich Environment

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Jean Cox
5 years ago
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1 Zinc Rich Paint in a Pigeon Rich Environment

2 Achieving Bridge Rehab without Going to Rehab

3 Louisville Bridge Rehabilitation

4 Lea Joyner Bridge Rehabilitation US 80 / Ouachita River Monroe/West Monroe Ouachita Parish District 05

5 Bridge Type: Year Built: Total Length: Roadway: ADT: Movable / Bascule ft (4) - 10 ft lanes & sidewalks 40,000 (1) 160-ft Bascule Span (two 80-ft leaves) (9) 40-ft Concrete Deck Girder Approach Spans (6) 100-ft Deck Truss Spans (2) 20-ft Steel Girder Spans (over counterweights)

6 South Elevation

7 West Bascule Leaf

8 South Elevation

9 Approach Spans

10 Lea Joyner Bridge Rehabilitation Phase 1 Phase 2 S.P S.P

11 Designer: Contractor: Huval & Associates, Inc. Modjeski & Masters, Inc. LA DOTD Bridge Design Section Kiewit Louisiana Co. Designer: Phase 1 Phase 2 Contractor: LA DOTD Bridge Design Section PCL Civil Constructors, Inc.

12 Scope of Work: Phase 1 Phase 2 Structural Electrical Mechanical Architectural

13 Structural Electrical Mechanical Architectural Phase 1 Phase 2 40% 60% 60% 40% Cost $ 9.8 M $ 3.0 M $ 0.9 M $ 0.9 M Temp. Signs, Barricades, DMS units Site Lab Mobilization Cleaning, Clearing & Grubbing $ 14.6 M $ 17.3 M

14 Structural Concrete Cracked Caps and Girder Ends End Wall Repairs & Added Girder Supports Major Spalls / Caps & Deck Undersides Jammed Fascia Joints Timber Fender System (Partial Replacement) Deck & Sidewalk Joint Seals Added Seismic Lateral Restraints Steel Members (Replace, Strengthen, or Repair) Steel Connections, Splices, Stiffeners Deficient Rivets High Strength Bolts Clean & Paint Structural Steel New Steel Grid Floor / Conc. Lane Lines Deck Epoxy Overlay Added Steel Curb Rail / New Conc. Curb

15 Failed End Wall

16 Cracked Bent Cap

17 Repaired Bent Cap

18 Repaired Bent Cap

19 Cracked Girder Bearing

20 Jammed Fascia Joint

21 Cliff Swallow Nests

22 Steel Overhang Gusset

23 Deck Truss Stringers

24 Deck Truss Stringers

25 Deck Truss Stringers

26 Deck Truss Stringers

27 Deck Truss Bottom Chords

28 Floor Beam Bottom Chords

29 Floor Beam Bottom Chords

30 Floor Beam Bottom Chords

31 Floor Beam Bottom Chords

32 Rivet Replacement w/ Bolts

33 Machinery Truss

34 Machinery Truss

35 Machinery Truss Trunnion Truss Machinery Support Beams

36 Machinery Support Beam

37 Machinery Truss

38 Machinery Truss

39 Machinery Truss

40 Dead Load Load Transfer

41 Dead Load Stress Transfer

42 Dead Load Load Transfer

43 Stairs

44 Spalled Curb

45 Removed Curb

46 Removed Curb

47 Removable Sidewalk Panel

48 Added Curb Rail

49 Old Grid Floor

50 New Grid Floor

51 New Grid Floor

52 New Grid Floor

53 Bicycle Detour

54 1950: Steel Risers + Steel Grid Floor 1936: Timber Risers + Timber Planks + Asphalt Stringers Rotation Point Main Support Trunnion CWT Balancing Act

55 2012: New Steel Grid Floor, Added Conc. + Curb Rail Stringers Rotation Point Main Support Trunnion CWT Balancing Act

56 Electrical (New) Electrical System (230 V 480 V) Control System and Switchboard Drive Motors and Brakes Conduit and Wiring House Lighting Traffic Signals and Gates Navigational Lighting Generator Submarine Cables Walkway Lighting

57 Old Generator

58 New Generator

59 New Disconnect Boxes

60 New Breaker Box

61 New Breaker

62 New Transfer Switch

63 Old Walkway Lighting

64 Old Walkway Lighting

65 New Walkway Lighting

66 New Walkway Lighting

67 New Walkway Lighting

68 New Walkway Lighting

69 Mechanical New Gears New Machinery Houses Live Load Shoes / Clean & Adjust Center Span Locks / Clean & Adjust Clean & Paint Machinery and Machinery Houses Temporary Operating System Bascule Span Balancing

70 Center Span Locks

71 Center Span Locks

72 Center Span Locks

73 Center Span Locks

74 Center Span Locks

75 New Gears

76 New Gears

77 New Gears

78 Gear Removal System

79 Temp. Operating System

80 Temp. Operating System

81 Architectural (4) Houses / Refurbished New Doors and Windows Roof and Gutter Repair New Stairway Hatches New Louvers and Exhaust Piping Removed Sinks, Toilets, Piping, Valves Class 2A Concrete Special Finish Added Lea Joyner Plaques