TagEnvironmental Impact Statement(400)

Memorandum dated November 27, 2000 from Dave Garland, NWRO Water Quality, Washington State Department of Ecology, to Ann Kenny and Kevin Fitzpatrick regarding Sea-Tac Third Runway Borrow Area 3 wetland impacts. Addresses Port Of Seattle proposal to excavate sand and gravel from Borrow Area 3 south of Sea-Tac Airport for Third Runway fill embankment. References

Memorandum dated November 27, 2000 from Dave Garland, NWRO Water Quality Program, Washington State Department of Ecology, to Ann Kenny (Shorelands and Environmental Assessment Program) and Kevin Fitzpatrick (Water Quality Program). Subject is wetland hydrology impacts from Port Of Seattle’s proposed excavation of Borrow Area 3 sand and gravel fill for the Sea-Tac Third Runway

Letter and proposal from Dyanne Sheldon, Principal of Sheldon & Associates, Inc. (Seattle, WA), addressed to Erik Stockdale at Washington State Department of Ecology, dated November 21, 2000, submitting a proposal to review the Natural Resource Mitigation Plan (NRMP) for the Sea-Tac Third Runway. The letter discusses cost estimate exceeding the provided $18,000 budget, justifying

Letter dated October 25, 2000 from Elizabeth Leavitt, Manager of Aviation Environmental Programs, Port of Seattle, to Jonathan Freedman, Regulatory Branch, U.S. Army Corps of Engineers Seattle District, submitting a new Joint Aquatic Resources Permit Application (JARPA) for Clean Water Act Section 404 permit, Corps of Engineers Project No. 96-4-02325, for Seattle-Tacoma International Airport Master

Memorandum dated October 20, 2000 from Michael A.P. Kenrick, P.E. and Michael J. Bailey, P.E. of Hart Crowser to Jim Thomson of HNTB regarding Sea-Tac Third Runway Borrow Area 3 wetland preservation, project J-4978-06, prepared for Port Of Seattle. Covers hydrology sustaining Wetlands 29, B9, 30, B7, B6, and B5 in Borrow Area 3, including

Memorandum dated October 20, 2000 from Michael A.P. Kenrick, P.E. and Michael J. Bailey, P.E. of Hart Crowser to Jim Thomson at HNTB Boston, regarding Sea-Tac Third Runway Borrow Area 3 wetland preservation (project J-4978-06). Document provides conceptual design for a proposed drainage swale to protect wetlands in Borrow Area 3 located south of Sea-Tac

Memorandum dated October 20, 2000 from Michael A.P. Kenrick, P.E., and Michael J. Bailey, P.E. of Hart Crowser to Jim Thomson at HNTB (project J-4978-06), prepared for Port Of Seattle regarding Sea-Tac Third Runway Borrow Area 3 wetland preservation. Reviews hydrology sustaining Wetlands 29, B9, 30, B7, B6, and B5 in Borrow Area 3, located

Memorandum dated October 13, 2000 from Michael Bailey P.E. and Michael Kenrick P.E. of Hart Crowser to Jim Thomson P.E. at HNTB (project J-4978-06), analyzing infiltration into the proposed Third Runway embankment at Sea-Tac Airport and effects on shallow water-bearing zone base flow to Miller Creek and adjacent wetlands. Analysis uses three sequential models —

Email chain AR 018494 in which Erik Stockdale (Washington State Department of Ecology, ESTO461@ECY.WA.GOV) sends internal memo to Gail Terzi and Jonathan Freedman (Army Corps of Engineers) outlining status of the natural resource mitigation plan and associated documents for Sea-Tac Airport expansion. Stockdale notes the Port of Seattle is objecting to Ecology’s choice of consultant

Hart Crowser draft report prepared for Port of Seattle, August 9, 2000 (J-4978-13), evaluating perched groundwater zone interception and potential wetland hydrology impacts from Borrow Area 3 excavation for the Sea-Tac Third Runway project. Addresses Pacific Groundwater Group (PGG, 2000) concerns commissioned by Washington State Department of Ecology regarding impacts to Wetland 29. Includes ModFlow