Seward Airport Improvements Scoping Report AKSAS No
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Seward Airport Improvements Scoping Report AKSAS No. 54857 June 2017 Alternative 1.1 ©Alaska Aerial Technologies, LLC Prepared for Alternative 2.2 State of Alaska Department of Transportation & Public Facilities Central Region 4111 Aviation Ave. Anchorage, AK 99502 Prepared by PDC Engineers 1028 Aurora Drive Fairbanks, AK 99709 907.452.1414 Seward Airport Improvements June 2017 Scoping Report FINAL TABLE OF CONTENTS 1 INTRODUCTION ................................................................................................................................ 1 1.1 Scope .................................................................................................................................................................................... 1 1.2 Project History ................................................................................................................................................................. 1 1.3 Purpose and Need .......................................................................................................................................................... 2 1.4 Project Team ..................................................................................................................................................................... 3 2 EXISTING CONDITIONS .................................................................................................................. 4 2.1 Airport Facilities ............................................................................................................................................................. 4 2.2 Community Characteristics ........................................................................................................................................ 4 2.3 Land Use and Land Ownership ................................................................................................................................. 5 2.4 Airport Vicinity Transportation ............................................................................................................................... 5 2.4.1 Surface Access to the Airport ............................................................................................................................. 5 2.4.2 Available Utilities .................................................................................................................................................... 5 2.5 Environmental Data ...................................................................................................................................................... 6 2.5.1 Topography, Geology, and Soil .......................................................................................................................... 6 2.5.2 Hydrology ................................................................................................................................................................... 6 2.5.5 Climate Data ............................................................................................................................................................... 7 3 AVIATION ACTIVITY AND FORECAST ....................................................................................... 7 3.1 Forecast Elements .......................................................................................................................................................... 7 3.2 Previous Airport Forecasts......................................................................................................................................... 7 3.2.1 Seward Airport Master Plan (2008) ............................................................................................................... 7 3.2.2 Alaska Aviation System Plan (2008) ............................................................................................................... 8 3.2.3 FAA Terminal Area Forecast .............................................................................................................................. 8 3.2.4 National Plan of Integrated Airport Systems (NPIAS) ............................................................................ 9 3.3 Operations ......................................................................................................................................................................... 9 3.3.1 Passengers ................................................................................................................................................................10 3.3.2 Freight and Mail .....................................................................................................................................................10 3.3.3 Based Aircraft .........................................................................................................................................................10 3.4 Current Aircraft Fleet Mix ........................................................................................................................................ 10 3.5 Socioeconomic Activity ............................................................................................................................................. 11 3.5.1 Population ................................................................................................................................................................12 3.5.2 Coastal Villages Region Fund CDQ Fleet .....................................................................................................12 3.5.3 R/V Sikuliaq .............................................................................................................................................................13 3.5.4 Vigor Alaska .............................................................................................................................................................13 3.5.5 Tourism ......................................................................................................................................................................14 3.5.6 Alaska Railroad (ARRC) Facility Improvements .....................................................................................14 3.5.7 Gas Line Construction .........................................................................................................................................14 3.5.8 Other Oil & Gas Related Activity .....................................................................................................................14 3.5.9 Medevac .....................................................................................................................................................................15 3.5.10 Commuter Travel ..................................................................................................................................................16 3.5.11 Emergency Preparedness ..................................................................................................................................17 3.6 Design Aircraft and Future Aircraft Usage ....................................................................................................... 17 3.7 Forecasted Operations .............................................................................................................................................. 17 PDC Engineers i Seward Airport Improvements June 2017 Scoping Report FINAL 4 FACILITY REQUIREMENTS ......................................................................................................... 18 4.1 Wind Coverage .............................................................................................................................................................. 19 4.2 Aircraft Use at Seward ............................................................................................................................................... 18 4.3 ............................................................................................................................................... 20 4.3.1 Runways ....................................................................................................................................................................20 4.3.2Air�ield TaxiwaysRequirements / Taxilanes ...........................................................................................................................................21 4.4 ............................................................................................................. 22 4.5 Other Facility Requirements ................................................................................................................................... 22 Navigational Aids and Air�ield Lighting 5 ALTERNATIVES .............................................................................................................................. 22 5.1 Initial Alternative Development ............................................................................................................................ 22 5.1.1 Considerations and Constraints in Developing Alternatives ............................................................. 22 5.1.2 Initial Alternatives ................................................................................................................................................23 5.1.3 Dropping of Alternative 1.2 from Further Evaluation ..........................................................................25