Notes
Appendix C-4 of the Seattle-Tacoma International Airport (Sea-Tac Airport) Final Supplemental Environmental Impact Statement (FSEIS), documenting construction impacts analysis for the Master Plan Update. Covers Third Runway construction haul duration (extended from 3 to 5 years, runway available 2004), fill material requirements of 17.25 million cubic yards (MCY) for the 8,500-foot Third Runway option and 20.56 MCY total, off-site and on-site material sources in the Puget Sound region, haul truck volumes (544–1,408 off-site truck trips/day), Level of Service (LOS) analysis for airport vicinity haul routes, temporary construction interchanges on State Route 518 near 20th Avenue South and State Route 509 near South 176th Street, South Aviation Support Area (SASA), Runway Safety Areas (RSA), Grady Way/Southcenter Boulevard/South 154th Street haul route, and barge transfer locations. Prepared for Port Of Seattle.