EXH1230049869

This letter documents comments I made at the public hearing on January 26, 2001. The focus of my comments pertain to design of the proposed retaining walls for the project, JerseyCity and the process used for independent technical review of that design process. My qualifications to provide these comments are as follows. I am a Principal Geotechnical Engineer employed by Hart Crowser, Inc., of Seattle Washington. I am a Professional Juneau Engineer, registered in Washington, and have over 20 years geotechnical engineering experience in the Puget Sound region. I have been a member of the Port of Seattle's design team for the Third Runway project for the past 2-1/2 years. Long Beach The Port of Seattle proposes to construct mechanically stabilized earth (MSE) retaining walls on the west side and north end of the new runway, to avoid relocating a high value section of Miller Creek and to limit the amount of wetland filling. MSEwalls are a technology that has been used for more than 30 years, and hundreds of Porrtancl MSEwalls have been constructed in the U.S. 5eatt_- 19!0 Fairv_ew Avenue East 5eattte, "%,'asning_on _8102-3599 AR 049869T=i 206.324.9550 [r L U.S. Army Corps of Engineersand Washington State Department of Eco[ogy J4978-30 February 8, 2001 Page 2 The MSEwalls proposed by the Port of Seattle range in height from 50 to 135 feet; there are higher MSEwalls that have been built elsewhere, the technology performs well. Prior to starting design of any walls, the Port of Seattle reviewed eight different…

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PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]