EXH1157044097

PCHBPollution Control Hearings Board of the State of Washington

This document is a SEPAAddendumto the Final Supplemental Environmental Impact Statement for the Proposed Master Plan Update Development AclYonsat Sea,e- Tacoma InternatYonal Airport issuedMay 13, 1997 by the FederalAviation Adminisbdtion and the Port of Seattle. This Addendumhas been preparedin accordancewith Chapter 197-11-625 Washington AdministrativeCode,and Port of Seattle SEPAPoliciesand ProceduresResolution No. 3028. The purposeof this document isto describeand analyze the modificationto the Master Plan Update DevelopmentActionsfor the Third Runway Project that was made a_er the environmentaldocumentswere issued. These modificationsincludethe quantity of wetlands affected, the designof the retainingwall for the runway embankment, and the design of the constructiononly-temporaryinterchange that is proposedto mitigate construction impacts. These modificationsdo not substantiallychange the analysisof significant impacts described in the Final Supplemental Environmental Impact Statement for the Proposed/Vaster Plan Update Development Acb'onsat 5eatffe-Tacoma International Airport. Project Name: Third Parallel Runway Wetland Fill, and Temporary Construction-Only Interchangeat SR 509/South 17@ Street POSSEPANo.00-02 Existing Environmental Documents: Final Environmental Impact Statement for the Proposed Master Plan Update Development Actions at 5eatffe-Tacoma International Airpo_ FAAand Port of Seattle, February 1996 Final Supplemental Environmental Impact Statement for the Proposed Master Plan Update Development Acb'onsat Sea,e-Tacoma ]nternal7"ona/Airport, FAAand Port of Seattle, Nay 1997 Port of Seattle Contacts: David Mc'Craney MichaelCheyne EnvironmentalProgram Manager Project Manager Health, Safety & EnvironmentalHanagement Port of Seattle P.O. Box 1209 P.O. Box 68727 Seattle, WA 98111 Seattle, WA 98168-0727 (206) 728-3193 (206) 431-4994 Project Description The report ADDENDUM ToFinal Environmental Impact Statement and Final Supplemental Environmental Impact Statement For Proposed Master Plan Update Development Actions At 5eatffe-Tacoma InternatYonalAJTport preparedpursuant…
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