PANELISTS:
Larry Kirchner - TranSystems
Brett Sauter - Ciorba
Victor Van Santen - HDR
Presented by: Ashley Cook, PE from HNTB
Presentation of the design and replacement of BNSF Br 58.8 on the Northern Bank of the Columbia River Gorge. Accelerated bridge construction methods used include construction of substructure units while existing bridge in service, prefabricated approach spans, erection of the new truss off-site on barge, marine transportation upriver, barge platforms for the float-out of the old truss and float-in of the new truss, strand jack lifting system for the float-in, and ballasting system for the float-out and the demolition of the existing truss.
Presented by: Carrie Wagener, PE from CTA and Brett Russell, PE, SE and Hemal Patel, PE, SE from EXP
This presentation will share some of the design considerations specific the Red-Purple Bypass (RPB) area. The RPB project scope consists of three unique items:
- Design of the new, permanent Flyover structure
- Design of a temporary track structure to facilitate construction staging
- Rehabilitation of a 115-year old existing structure that the Flyover ties into
**Online Registration is strongly encouraged**
CDC Guidelines regarding COVID-19 will be followed.
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