Notes
AGI Technologies geotechnical design recommendations report (AGI Project No. 14,190.211) prepared for HNTB Corporation for Phase 1 embankment construction of the Third Runway Project at Sea-Tac International Airport, Seatac, Washington, dated January 22, 1998. Signed by Dean M. White, P.E. (Associate Engineer) and John E. Newby, P.E. (President). Report covers embankment zonation, settlement criteria (foundation, consolidation, creep, inundation), stability analysis, subsurface conditions including artificial fill, topsoil, recessional outwash, till, advance outwash, pre-Vashon drift, groundwater (perched aquifer, confined aquifer, piezometers), drainage, and value engineering review. Filed as AR 025788 in the PCHB Third Runway EIS administrative record.