join us september 23, 2019:

Design & Construction of the SR 99 Tunnel in Seattle

The Alaskan Way Viaduct Replacement


This lecture is made possible in part by the generous
support of our signature sponsor
Dr. J. Darrin Holt, PE


Mark your calendars for September 23, 2019, for the 18th annual Paul Zia Distinguished Lecture on this exciting new project. This year’s presenters include Dr. Yang Jiang, Principal Engineer of HNTB; and Dr. Mike Wongkaew, Associate Vice President and National Tunnel Practice Lead of HNTB.

The presenters will discuss various topics related to the design and construction the 2-mile double-decker tunnel under downtown Seattle: Structural design and construction of the 57.5-ft diameter tunnel, Owner considerations for the $3.3 billion project.

The lecture is free and open to the public. 2 PDHs will be available. Following the lecture, all professional attendees are invited to stay for a cocktail reception.

Sponsorship opportunities are available. Last year’s Gold and Silver Sponsors included:

zia gold and silver 2018.JPG