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Land Use Management Techniques for Noise Abatement 137 impacted by 65+ DNL noise levels and fully discloses the existing (and potential future) noise environment to a new, willing, and informed buyer. Sound Insulation of Noise-Sensitive Noncompatible Structures Purpose: This technique provides for the addition of insulation, noise attenuation baffles, solid core doors, double paned windows, and possibly air conditioning units to noncompat- ible buildings located within the 65 DNL and higher noise contour at airports with an approved Part 150 Noise Compatibility Program. Participation in a sound insulation pro- gram generally requires that the homeowner provide an avigation easement and non-suit covenant attached to the deed of property, as well as an agreement to noise level disclosure upon sale. Limitations: Sound Insulation programs can be time consuming and complex. They involve construction and a great deal of homeowner outreach. Implemented by: Airports, with FAA funding support. Public reaction: In general, the public response to implementing a sound insulation program is favorable. A community welcomes sound insulation programs because it brings with it an assumed improvement in the quality of life to areas impacted by a 65+ DNL noise contour. One negative comment typically made about such programs is that sound insulation does not miti- gate the aircraft noise effects for outdoor activities. Example of Technique for Public Information: Homeowner Handbook Bradley International Airport Residential Sound Insulation Program (Hartford, CT) (188) 9-12 Homeowner Handbook Philadelphia International Airport Residential Sound Insulation Program (189) 9-13 Residential Sound Insulation Program Brochure (Lambert-St. Louis International Airport) (190) 9-14 San Antonio International Airport Residential Acoustical Treatment Program Homeowner Brochure (191) 9-15 Land Use Actions Requiring Implementation by Others There are actions available for land use management that the airport cannot enact, but may encourage through implementation by local planning or regulatory agencies. Each involves the control and development of future uses of property. Comprehensive Community Planning Purpose: The comprehensive planning process provides guidelines to the development of infrastructure and land use patterns within communities. When the effects of aircraft noise on community compatibility are used to guide the planning process, development that avoids the introduction of noise-sensitive uses into areas of significant noise exposure may be recom- mended. For example, the designation of undeveloped off-airport areas within the 65 DNL (or other) contour for industrial, commercial or open space uses will contribute to the prevention of future impacts. In contrast, the planning of water or sewer service to residential standards