EXH0047017605

r- , Update improvement projects are summarized in Table 1.3-1. Elements of the project that will k. result in wetland, floodplain, stream, and drainage channel impacts include the following: • Adding an 8,500-ft-long third parallel runway (16X/34X) with associated taxiway and navigational aids • Establishing standard RSAs for existing runways 16R/34L and 16L/34R • Relocating South 15#' Street north of the extended RSAs and the new third runway • Developing the South Aviation Support Area (SASA) for cargo and/or maintenance facilities • Using on-site borrow sources for the third runway embankment • Relocating, redeveloping, and expanding support facilities (passenger terminal facilities, stormwater facilities [including ouffalls], electrical substations, utifity corridors, etc.) These elements of the project are described more fully below. Table 1.3-1, Proposed Master Plan Update improvement projects at Seattle-Tacoma International Airport, Pro_ect Description Runway and Tagiway Pro_¢ts Property Acquisition, StTeet Includes purchasing propertyand demolishing existing structures between and Utility Vacation existing STIA boundary west to Des Moines Memorial Drive and State Route (SR)509. Requiredforthirdrunwayembankmentfill andcoustngt_ impact mitigation. Acquisition and demolition is also required for the south runway J_ protectionzone(RI_. " Embankmeat Ftll Embankngnt for thin/runway, com_..c_ed m/rig imported fill. Appm:_inm_ly 16.5 millic_ cubic yards(cy) will be placed over a $- m 7-year period. Existing roads and streemundezembankmmt footprint will be removed. Interconnecting Taxiways New connecting taxiways between existing runway and thirdrunway. Project is lo_tg:d on exjstlng gJFfield,rg_qtlJJrmgon]y minimal grading. Runway 16X/34X Paving of thirdrunway aftercompletion of embanknmnt fill. Extension of Runway 34R Extend runway by 600 ft for improved…

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PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]