PSRC Regional Aviation Baseline Study Working Paper 3

R e g i o n a l A v i a t i o n B a s e l i n e S t u d y : W o r k i n g P a p e r 3 Development and Evaluation of Scenarios F I N A L 1-3 Contents 1. Introduction ........................................................................................................................ 1 1.1 STUDY BACKGROUND AND PURPOSE ............................................................................................................ 1 1.2 STUDY PROCESS .............................................................................................................................................. 2 1.3 STUDY STATUS AND NEXT STEPS ................................................................................................................... 2 1.4 ORGANIZATION OF WORKING PAPER 3 ........................................................................................................ 3 2. Development of Scenarios .................................................................................................. 4 2.1 SCENARIO 1, “BASELINE”: SEA-TAC IMPLEMENTS NEAR-TERM (2027) SAMP ............................................ 7 2.2 SCENARIO 2, “SEA-TAC IMPLEMENTS LONG-TERM (2037) VISION” ............................................................ 8 2.3 SCENARIO 3, “LONG-TERM VISION + ACCOMMODATE 50 PERCENT OF PROJECTED GAP” ....................... 8 2.4 SCENARIO 4, “LONG-TERM VISION + ACCOMMODATE 100 PERCENT OF PROJECTED GAP” ................... 10 3. Evaluation Criteria Overview ............................................................................................. 12 3.1 ABILITY TO ACCOMMODATE SINGLE OR PARALLEL RUNWAYS (7,000 OR 9,000 FEET) ........................... 12 3.2 EXISTING AIRSPACE CONSTRAINTS OR CONFLICTS ..................................................................................... 13 3.3 IMPACT TO SEA-TAC AIRCRAFT OPERATIONS ............................................................................................. 14 3.4 FLOOD ZONE HAZARD .................................................................................................................................. 14 3.5 CURRENT AND FUTURE ROADWAY AND TRANSIT ACCESS ........................................................................ 14 3.6 INCOMPATIBLE LAND USE WITHIN A MILE OF 7,000-FOOT OR 9,000-FOOT RUNWAY ENDS ................. 15 3.7 ABILITY TO ACCOMMODATE ADDITIONAL AIRCRAFT OPERATIONS .......................................................... 15 3.8 IMPACT TO AEROPSPACE MANUFACTURING ............................................................................................. 15 3.9 POPULATION AND EMPLOYMENT WITHIN 60 MINUTE DRIVE TIME ......................................................... 16 3.10 OWNERSHIP .................................................................................................................................................. 16 4. Airport Evaluation ............................................................................................................. 17 4.1 RUNWAY LENGTH ANALYSIS ........................................................................................................................…

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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 [...]