TagSea-Tac Airport Master Plan(37)

Parametrix, Inc. prepared this Des Moines Way Nursery Mitigation Plan (AR 052455) for Port Of Seattle, Seattle-Tacoma International Airport, November 2001, project number 556-2912-001(03). The plan covers wetland restoration and enhancement at the Des Moines Way Nursery mitigation site, including grading design, expected hydrology, wildlife considerations, planting plan, vegetation monitoring, performance standards, maintenance and contingency

In this October 24, 2001 letter, the Port of Seattle notified the Washington Department of Ecology of a mathematical error discovered in hydrological modeling software used to assess the Seattle-Tacoma International Airport Master Plan's impacts on Miller and Walker Creeks. The error caused stream flow impacts to be overestimated at 1/24th of their actual value, meaning required mitigation facilities could be smaller than originally planned. As a result, the Port requested an extension of the Low Streamflow Analysis submittal deadline from November 5 to November 21, 2001.

Declaration of Michael Feldman, Director of Aviation Facilities at Port Of Seattle, filed in Pollution Control Hearings Board case PCHB 01-133, Airport Communities Coalition v. Department of Ecology and Port Of Seattle. Feldman attests to his role overseeing Sea-Tac Airport facilities since 1996, his direction of the Third Runway and Airport Master Plan planning program

Wetland photographs and maps prepared by Parametrix, Inc. for Port Of Seattle, May 2001, as part of the Master Plan Update Improvements for Seattle-Tacoma International Airport. Document AR031166 includes a Wetlands Atlas covering North and West Sides of Sea-Tac Airport, with 15 map sections showing surveyed wetland boundaries, estimated wetland boundaries, and other estimated or

Port of Seattle response to agency and public comments on Section 404 Clean Water Act permit application (JARPA, reference 1996-4-02325) for Master Plan Update improvements at Seattle-Tacoma International Airport. Covers U.S. Army Corps of Engineers public notice history (December 19, 1997; September 30, 1999; December 27, 2000), wetland fill acreages, Miller Creek channel relocation, Highline

Email from Jim Kelley (Parametrix, Inc.) to klw@shanwil.com dated April 23, 2001, regarding wetland mitigation planning for the Auburn mitigation site associated with Seattle-Tacoma International Airport Master Plan Update Improvements. Kelley discusses shrub and emergent plant community design, water level management between 41 and 42 feet, planting elevations to out-compete blackberry and reed canary grass,

Washington State Department of Ecology mid-point status letter dated March 26, 2001, addressed to Tom Mueller (Army Corps of Engineers, Seattle District) and Elizabeth Leavitt (Port Of Seattle Aviation Environmental Programs), regarding Coastal Zone Management Act (CZMA) Consistency review for the Port Of Seattle’s Master Plan Update for SeaTac International Airport, project number 1996-4-02325. Ecology

Technical memorandum dated September 5, 2000 from Elizabeth Leavitt (Port Of Seattle) to Ray Helwig (Washington State Department of Ecology), cc’d to Erik Stockdale, Nancy Groves (Ecology), Jim Kelley and Paul Fendt (Parametrix), Project No. 556-2912-001(03). Addresses CWA Section 401 permit issues for Seattle-Tacoma International Airport Master Plan Update projects involving wetlands and streams. Topics

Draft report prepared by Parametrix, Inc. for Port of Seattle regarding the Miller Creek Enhancement Program associated with Seattle-Tacoma International Airport Master Plan Update Improvements. Document AR 041760 covers Miller Creek relocation and enhancement, floodplain compensation, floodplain enhancement, Lora Lake buffer enhancement, and Miller Creek riparian buffer enhancement. Includes ecological assessment of Miller Creek (fish

Draft Revised Off-Site Wetland Mitigation Plan prepared by Parametrix, Inc. for Port Of Seattle regarding Seattle-Tacoma International Airport Master Plan Update Improvements, dated August 18, 1998 (project number 55-2912-01(03)). Document covers rationale for off-site habitat mitigation, mitigation site selection, revised project wetland impacts as of July 14, 1998, and revised mitigation plan design objectives. Includes