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Bridge inspection for hurricane re entry
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Bridge inspection for hurricane re entry

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Transcript

  • 1. Bridge Inspection for Hurricane Re-entry
  • 2. Bridge Inspection on Re-Entry
    Bridge Inspectors will follow strike teams
    Bridge Inspectors will also use helicopters for “hard to get to places”
    Bridge Inspectors will have computerized equipment to determine the structurally capacity of the bridge
  • 3. Teams
    11 topside inspections teams operate daily
    Topside teams will observe bridges from the deck and piling (nothing below water)
    Will be divided into 22 Teams for re-entry
    Will be traveling with strike force teams
    Will be using helicopters
  • 4. Items to observe During Inspection
    Topside Teams
    Damage to piling from debris
    Damage to beams
    Damage to endroll
    Damage to approach
    Damage to caps
    Damage to decks
  • 5.
  • 6.
  • 7.
  • 8.
  • 9. Underwater Teams
    There will be two underwater teams
    Teams will access damage to structures
    Piling
    Scours
    Footings
    Debris damage
    Additional resources are available through contract and other states
  • 10.
  • 11. Types of damage
    Damage patterns to bridges, including damage attributed to storm surge, wind, impact from debris, scour, and water inundation
  • 12.
  • 13.
  • 14.
  • 15. Cost of Bridge Damage
    Hurricane Katrina caused significant damage to the transportation system in the Gulf Coast region. The overall cost to repair or replace the bridges damaged during the hurricane is estimated at over $1 billion.
  • 16. Items to observe during Inspection (underwater)
    Damage to footing
    Damage to foundation
    Scouring
    Around footing
    Piling
    approach
    Debris around piling
    Damage to piling
  • 17. Re-Entry
    Supervisor will be stationed in Jesup
    Will relocate to staging areas
    Will follow strike teams
    Six teams concentrate on established major Re-entry routes with re-entry teams
    I-16
    I-95
    US 84
    US 82
    Other routes as determined
  • 18. Team Assignment
    Three teams are assigned to the Savannah/Chatham County Area
    One team is assigned to the Brunswick/Glynn County Area
    One team is assigned to the Camden County Area
  • 19. Function of Teams
    Teams are reviewing bridges to determine if they are passable
    Either good to go, need further assessment or closed due to major defect
  • 20. QUESTIONS?