Risk-Based Inspection and Strength Evaluation of Suspension Bridge Main Cable Systems (2023)

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157 A P P E N D I X B Workshop Agenda Agenda • 7:30 am Breakfast • 8:00 am Session 1 o Introductions o History of NCHRP project and guideline development o Summary of owner survey o Planning an internal cable investigation o Overview of cable investigation process • 8:45 am Interactive Session 1 (with coffee) o Experiences with existing inspection practices o Recommendations for any adjustments to inspection procedures, techniques, information recorded • 9:15am Session 2 o Changes to NCHRP NCHRP Report 534 o Overview of proposed AASHTO Guidelines o Random Field methodology o RBI methodology • 10:00 am Interactive Session 2 (with coffee) o Experiences with existing cable strength estimation processes o Advantages and disadvantages of the proposed Random Field Method o Recommendations for any adjustments to the procedure o Experiences with current re-inspection time frames o Recommendations for any adjustments to the risk-based approach • 10:30 am Session 3 o Cable strength calculation example o RBI interval example • 11:15 am Interactive Session 3 o Questions on examples • 11:45 am Next steps o Ballot item for AASHTO T-18 Committee on Bridge Evaluation o Modifications to proposed guidelines • 12:00 pm Lunch • 1:00 pm Wrap-up • 2:00 pm Adjourn

158 List of Attendees Ahmad Abu-Hawash, Senior Program Officer National Cooperative Highway Research Program – NCHRP Sreenivas Alampalli, NCHRP Panel Chair, Stantec (formerly New York State DOT – NYSDOT) Blaise Blabac, Principal Investigator Modjeski and Masters, Inc. Ahsan Chowdhury, Chief Engineer Halifax-Dartmouth Bridge Commission - HDBC Waseem Dekelbab, NCHRP Associate Program Manager National Cooperative Highway Research Program – NCHRP Lubin Gao, FHWA Liaison FHWA David Geckle, District Bridge Engineer Ohio DOT – ODOT Benjamin Lalonde, Bridge Inspector Oregon DOT – ODOT Maria Lopez, Head of Research Modjeski and Masters, Inc. Thomas Murphy, Co-Principal Investigator Modjeski and Masters, Inc. Kim Nowack, Director Mackinac Bridge Authority - MBA Mike Rakowski, Manager Delaware River Port Authority - DRPA Shekhar Scindia, Project Engineer III Delaware River and Bay Authority - DRBA Eric Seabury, Director of Engineering Rhode Island Turnpike and Bridge Authority – RITBA Prerna Sohal, Manager British Columbia Ministry of Transportation – BCMoTI Vikas Wagh, Deputy Chief Engineer Triborough Bridge and Tunnel Authority – TBTA Jeff Wiggin, Assistant Project Manager Rhode Island Turnpike and Bridge Authority – RITBA Jeff Wright, Chief Engineer New York State Bridge Authority – NYSBA