EXH1170044528

5808 LaKe Washington Btv_.. N.E Suite 200 Kirklana. WA 98033-7350 425-822-8880 * Fax: 425-889-8808 • www.paramemx.com P MEMORANDUM To: Jonathan Freedman, U. S. Army Corps of Engineers From: Jim Kelley, Wetland Ecologist cc: Elizabeth Leavitt, Port of Seattle Date: May 3, 2000 Re: Analysis of indirect impacts to wetlands from the temporary SR-5O9 interchange - Seattle- Tacoma International Airport This memorandum provides an overview of the SR-509 Temporary Interchange at South 176th Street, a description of current conditions at the site, and evaluates the potential impacts to adjacent wetlands that may result from the project. The interchange project involves no discharge of fill material into waters of the United States including wetlands. Furthermore, we have analyzed potential indirect impacts to wetlands and concluded that no significant indirect impacts to wetlands will occur. The interchange is also •constructed on existing road fill and other disturbed areas that do not act as buffers to protect the functions of adjacent wetlands. PROJECT OVERVIEW To provide construction vehicles direct access from SR-509 to the west side of Seattle- Tacoma International Airport (STIA 1.a temporary interchange would be constructed near the existing South 176d' Street overpass."Re hal'f-diamond interchange would consist of an exit ramp from southbound SR-509 to South 176th Street and an entrance ramp from 176 thStreet to northbound SR-50cL The Port will use the interchange as part of its fill haul route during construction of the /'bird runway, as described in the 1996 Final Environmental Impact Statement (EIS) and 1997 Final Supplemental EIS…

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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 [...]