8a Flight Corridor Safety Program Presentation
Item No. 8a_ supp Meeting Date: January 28, 2020 Flight Corridor Safety Program 2019 Seattle-Tacoma International Airport Flight Corridor Safety Program 2019 An ongoing Port of Seattle program to remove and replant trees around Sea-Tac Airport that have grown or will soon grow into FAA- designated flight surfaces 2 Project Scope Removal of current and future flight path obstructions from non- Port properties and associated replanting of replacement trees Pay fees to the Washington State Department of Transportation (WSDOT) and local jurisdictions for them to perform replanting for certain obstructions removed from their properties Execute agreements, including property easements, with public agency and private property owners for obstruction management 3 Environmental Best Management Practices To date the program has replaced trees (3,684) at a ratio of over 4 times the number removed (783) 4 Example Profile View: Obstacle Detail 174 Total Obstacles SurfaceSurface ObstaclesObstacles RunwayRunway Composite Ground Contour N 5 Outreach & Communications Airmail WSDOT Airport-specific listservs Highline Schools Connections Cities Media advisory Private property owners Online Open House Hillgrove Cemetery Highline Forum 6 Obstruction Locations-North 7 Obstruction Locations-South 8 Jurisdiction Number of Obstructions Port 6 WSDOT 104 City of SeaTac Public 46 Private 10 Subtotal 56 City of Burien Public 0 Private 7 Subtotal 7 City of Des Moines Public 1 Private Subtotal 1 Total 174 9 Appendix 10 Project Schedule Commission Design Authorization 2017 Quarter 1 Design Start 2017 Quarter 1 Commission Construction Authorization 2020 Quarter 1 Obstruction Removal Start 2020 Quarter 1 Replanting Start 2021 Quarter 1 11 Project Budget COST ESTIMATE Capital Expense Total (WP: U00506) Original estimate $0 $7,227,000 $7,227,000 Current change 0 1,273,000 1,273,000 Revised estimate 0 8,500,000 8,500,000 AUTHORIZATION Previous authorizations $0 $2,605,000 $2,605,000 Current request for 0 5,895,000 5,895,000 authorization Total authorizations, including 0 8,500,000 8,500,000 this request 12 Project Risks Reach access agreements with public agency and private property owners Potential delay to the removal of priority obstructions prior to March 1, 2020 bird nesting period Execution of Job Order Contract and local permits following the Commission Authorization Potential delay to the removal of priority obstructions 13
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