Item No. ____ _9B ___ Meeting Date: July 9, 2019 AVIATION CAPITAL PLANNING & PRELIMINARY DESIGN BRIEFING July 9, 2019 Briefing overview • Project Planning Process • Near-Term Projects • Projects Requiring Preliminary Design • Glideslope Antenna Relocation • Next Steps 1 Project Planning Process • Master planning - complete - Campus wide, comprehensive planning - Alternatives analysis for major plan elements • Advanced planning - in progress - More detailed planning in focus areas of long-range plan and existing facilities - Alternatives analysis within individual projects (e.g. options for configuring curbs and functional areas for Second Terminal) • Preliminary design - future capital funds request - Program development for individual projects - Adequate detail required to transition projects to design - Results in a Project Definition Document (PDD) 2 Near-Term Projects 3 Near-Term Projects Design/construction period estimates for major projects 4 Projects Requiring Preliminary Design 1 1) Westside Maintenance Campus 2 2) Aircraft Rescue and FireFighting (ARFF) Relocation 3) Roadway Improvements 4 4) Taxiway A/B Extension 5) Main Terminal North GT Lot 5 3 Design/construction period estimates 5 Glideslope Antenna Relocation • Taxiway A/B project requires relocation of Runway 34R glideslope antenna - Opportunity to adjust slope angle and increase aircraft elevation on approach - Sea-Tac Stakeholder Advisory Round Table (StART) recommendation • Relocate to potentially permanent location (i.e. consistent with Taxiway A/B project) • Attempt to obtain a 3.1˚ glideslope angle • Look for ways to expedite the project - Begin design (design at risk prior to conclusion of environmental review) - Initiate procedure development as soon as possible - Design/construction by FAA with reimbursement by the Port 6 Next Steps • Future Commission authorization request - $10M capital funds for preliminary design • Projects currently identified as requiring preliminary design in the short term - - - - - Westside Maintenance Campus Air Rescue and Fire-Fighting (ARFF) Facility Taxiway A/B Extension Main Terminal North GT Lot North Airport Expressway Improvements • Other projects to be identified through additional advanced planning - Authorization to procure and execute professional services contracts - Authorization to enter into Reimbursable Agreements with FAA (Glideslope) 7