TagEarthquake(11)
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A deadly earthquake absolutely, positively will ravage Seattle at some point. Here’s how to survive it.
Huge cracks closed the Port of Kobe in Japan after a devastating earthquake in 1995. The ground at Kobe’s port shifted as much as 10 feet in some areas. (Koji Sasahara / The Associated Press, 1995) By David Guterson Special to The Seattle Times In 2015, The New Yorker published an article asserting that an -
2002-01-17EXH AR053252: Third Runway FLAC Analysis of MSE Walls — Hart Crowser Draft Memorandum
Draft memorandum dated January 17, 2002 from Hart Crowser engineers Doug Lindquist, Reda Mikhail, and Michael Bailey to Jim Thomson (HNTB Corporation), project number 4978-40, regarding FLAC (finite difference model) seismic analysis of three proposed mechanically stabilized earth (MSE) retaining walls for the Third Runway project at Seattle-Tacoma International Airport. Analyses cover four wall sections -
2001-11-02EXH AR052350: Geotechnical Summary Report — Third Runway Embankment and MSE Retaining Walls, STIA
Hart Crowser, Inc. geotechnical summary report prepared for the Port of Seattle for presentation to the U.S. Army Corps of Engineers (Seattle District), dated November 2, 2001, project number 4978-06. Covers design of the Third Runway embankment and three mechanically stabilized earth (MSE) retaining walls (50–135 feet height) at Seattle-Tacoma International Airport (STIA). Addresses 17,000,000 -
2001-05-14EXH AR050078: Draft Memorandum — Proposed Liquefaction Procedure Under Walls and Slopes, Third Runway Embankment
Draft memorandum dated May 14, 2001, from Douglas Lindquist (E.I.T.) and Michael Bailey (P.E.) of Hart Crowser, Inc. to Pete Douglass (P.E.) and Embankment Technical Review Board (ETRB), CC Jim Thomson (P.E.) HNTB, project 4978-30. Describes proposed liquefaction potential evaluation procedure for areas beneath walls and slopes of the Third Runway embankment at Sea-Tac Airport. -
2001-03-26EXH AR049975: Post-Earthquake Reconnaissance and Photo Documentation — STIA Third Runway Project
Memorandum from Michael Bailey, P.E., Hart Crowser, Inc. to Jim Thomson, P.E., HNTB Corporation, dated March 26, 2001, documenting post-earthquake reconnaissance at the Sea-Tac Airport (STIA) Third Runway Project site (project J-4978-06) following the February 28, 2001, Nisqually earthquake. Two reconnaissance visits on March 1 and March 2, 2001 by Hart Crowser engineers Doug Lindquist -
2001-03-26EXH AR050017: MSE Wall Performance During Earthquake — Hart Crowser Memorandum to Port Of Seattle
Hart Crowser memorandum (J-4978-19) from Michael Bailey, P.E., to Port Of Seattle attn. Michael J. Cheyne, CC HNTB attn. Jim Thomson, P.E., dated March 26, 2001, summarizing MSE (Mechanically Stabilized Earth) wall performance during the February 28 Nisqually earthquake. Discusses two MSE walls identified by Helsell Fetterman (Eglick & Stock 3/20/01) and GeoSyntec (3/15/01) as -
2001-03-05EXH AR049946: Revised Methods and Results of Liquefaction Analyses, Third Runway Embankment, Sea-Tac, Washington
Draft memorandum dated March 5, 2001 from Douglas Lindquist E.I.T., Barry Chen PhD P.E., and Michael Bailey P.E. of Hart Crowser Inc. to Jim Thomson P.E. of HNTB, project J-4978-30. Presents revised methods and results of liquefaction analyses for the SeaTac Third Runway embankment, based on revised probabilistic seismic hazard analysis (PSHA) and one-dimensional site -
2001-01-25EXH AR049834: Hart Crowser Memorandum — Additional Information on the Seismic Design for Sea-Tac International Airport Third Runway
Memorandum dated January 25, 2001 from Douglas Lindquist (EIT) and Michael Bailey (P.E.) of Hart Crowser, Inc. to the Embankment Technical Review Board (Attn: Pete Douglass), project J-4978-30, CC to Jim Thomson (P.E., HNTB). Provides additional information on seismic analyses for the Third Runway at Seattle-Tacoma International Airport (STIA) in SeaTac, Washington. Covers probabilistic seismic -
2000-09-07EXH AR046005: Draft Memorandum — Methods and Results of Liquefaction Analyses, Third Runway Embankment, Sea-Tac, Washington
Draft memorandum J-4978-28 from Hart Crowser (Douglas Lindquist, Barry Chen PhD P.E., Michael Bailey P.E.) to Jim Thomson P.E. at HNTB, dated September 7, 2000, presenting methods and results of liquefaction analyses for the proposed Third Runway embankment and retaining walls at Sea-Tac, Washington. Analyzed 120 borings with Standard Penetration Test (SPT) results from 112 -
2000-04-10EXH AR044372: Seismic Basis of Design — Third Runway Project (Hart Crowser Draft Memo to HNTB)
Draft memorandum dated April 10, 2000 from Douglas Lindquist, Barry Chen P.E., and Mike Bailey P.E. of Hart Crowser, Inc. to Jim Thomson P.E. at HNTB regarding seismic basis of design for the Third Runway Project (J-4978-14) at Sea-Tac Airport for the Port of Seattle. Compares 475-year return period (0.36g peak acceleration, 10% probability of