TagSAMP(654)

Parametrix, Inc. wetland functional analysis forms prepared for the Port Of Seattle Master Plan Update, documenting wetland attributes for wetlands A6-A7-A8 and A12-A13-A18, dated 4/5/01, investigator W.K./Mil. Records presence/absence of wetland attributes including vegetation classes (Cowardin), forested wetland coverage (80%, 30%), impervious surface (>60% urban/runway), buffer conditions, seasonal ponding, emergent vegetation, seeps and springs, flooding

Wetland Delineation Report prepared by Parametrix, Inc. for Port Of Seattle, Seattle-Tacoma International Airport (Sea-Tac Airport), December 2000, project number 556-2912-001 (41). Report covers wetland delineation for Master Plan Update Improvements including North Employee Parking Lot, Runway Safety Area Extension, Third Runway project area, Borrow Areas 1 and 3, South Aviation Support Area (SASA)/Tyee Valley

Draft memorandum dated August 21, 2000 from Jamie Beaver, Mike Bailey P.E., and Barry Chen P.E. of Hart Crowser, Inc. to Jim Thomson at HNTB (project J-4978-30) providing geotechnical design information for RECo for MSE wall and reinforced embankment fill design for the Third Runway Embankment at Sea-Tac Airport. Document includes minimum factors of safety

Draft modeled till thickness map around the Aircraft Operations & Maintenance Area (AOMA) at Seattle-Tacoma International Airport, WA, prepared by Associated Earth Sciences, Inc. on 01/24/00. Contour map showing till thickness in feet (0–90 ft range) with data points from 01-24-00, depicting existing runways, main SeaTac buildings, tunnels, streets, and streams. Administrative Record document AR