AIRPORT MASTER PLAN UPDATE FOR DAVENPORT MUNICIPAL AIRPORT Prepared For The Davenport Airport Commission Clapsaddle‐Garber Associates, Inc. Marshalltown, Iowa DISCLAIMER STATEMENT “The preparation of this document may have been supported, in part, through the Airport Improvement Program financial assistance from the Federal Aviation Administration Project Number 3‐19‐0024‐14‐2009 as provided under Title 49 U.S.C., Section 47104. The contents do not necessarily reflect the official views or policy of the FAA. Acceptance of this report by the FAA does not in any way constitute a commitment on the part of the United States to participate in any development depicted therein nor does it indicate that the proposed development is environmentally acceptable or would have justification in accordance with appropriate public laws.” Table of Contents Introduction ........................................................................................................................................................ 1 Section 1 Existing Conditions and Issues Existing Airport Facilities .................................................................................................................................... 2 National and State Aviation Plans ................................................................................................................... 10 Regional Airport Significance ............................................................................................................................ 12 Wind and Temperature ...................................................................................................................................... 14 Air Traffic Activity .................................................................................................................................................. 15 Socioeconomic Characteristics ......................................................................................................................... 25 Planning and Zoning ............................................................................................................................................. 30 Summary .................................................................................................................................................................... 30 Section 2 Aviation Demand Forecasts Forecasting Approach........................................................................................................................................... 31 Designating A Forecast Model .......................................................................................................................... 32 General Aviation Activity .................................................................................................................................... 32 Summary .................................................................................................................................................................... 38 Section 3 Facility Requirements Airport Reference Code ....................................................................................................................................... 39 Runway Requirements ........................................................................................................................................ 41 Taxiway Requirements ....................................................................................................................................... 46 Landing and Safety Devices .............................................................................................................................. 47 Airspace Requirements ....................................................................................................................................... 49 General Aviation Requirements ...................................................................................................................... 49 Support Facilities ................................................................................................................................................... 53 Summary ................................................................................................................................................................... 54 Section 4 Airport Alternatives Development and Evaluation Alternatives and Evaluation .............................................................................................................................. 55 Airside Needs .......................................................................................................................................................... 56 Terminal Area Needs ........................................................................................................................................... 58 Chosen Alternate ................................................................................................................................................... 58 Summary ................................................................................................................................................................... 59 Section 5 Environmental Overview Project Narrative .................................................................................................................................................... 60 Air Quality ................................................................................................................................................................. 61 Coastal Resources ................................................................................................................................................. 61 Compatible Land Use ........................................................................................................................................... 61 Construction Impacts .......................................................................................................................................... 62 Department of Transportation Act, Section 4(F) ..................................................................................... 62 Farmlands ................................................................................................................................................................. 62 Fish, Wildlife, and Plants .................................................................................................................................... 63 Floodplains ............................................................................................................................................................... 63 Hazardous Materials, Pollution Prevention, and Solid Waste ........................................................... 63 Historic, Architectural, Archaeological and Cultural Resources ....................................................... 64 Light Emissions and Visual Impacts .............................................................................................................. 64 Natural Resources and Energy Supply .......................................................................................................... 65 Noise ........................................................................................................................................................................... 65 Secondary (Induced) Impacts .......................................................................................................................... 65 Socioeconomic Impacts, Environmental Justice, and Children’s Environmental Health and Safety Risks ...................................................................................................................................... 66 Water Quality .......................................................................................................................................................... 66 Wetlands ................................................................................................................................................................... 66 Wild and Scenic Rivers ........................................................................................................................................ 67 Agency Documentation ....................................................................................................................................... 67 Section 6 Airport Layout Plan Design Standards .................................................................................................................................................... 69 Airport Layout Drawing ...................................................................................................................................... 69 Pavement Markings Plan .................................................................................................................................... 70 Airport Airspace Drawing .................................................................................................................................. 70 Inner Portion of the Approach Surface Drawings ................................................................................... 71 Plan and Profile ...................................................................................................................................................... 71 Existing/Ultimate Terminal Layout Plan