10-10449rRESOLUTION NO. 10449
RESOLUTION ESTABLISHING 60 DNL AS THE AIRPORT NOISE THRESHOLD FOR
PREVENTIVE AND CORRECTIVE MEASURES IN THE ENVIRONS OF THE
MINNEAPOLIS-ST. PAUL INTERNATIONAL AIRPORT '
WHEREAS, the City of Richfield residents are subject to airport noise as a result of
operations at Minneapolis-St. Paul International Airport (MSP)and will continue to be
subject to airport noise for the foreseeable future; and
WHEREAS, FAA has determined that the responsibility for determining acceptable
and permissible land uses and the relationships between specific properties and noise
contours in response to locally.determined needs and values in achieving compatible land
uses rests with local authorities; and
WHEREAS, in 1996 the Minnesota Legislature decided to expand the existing MSP
and directed Metropolitan Airport Commission (MAC) to develop a noise mitigation plan
examining measures to the 60 Day-Night Level ("DNL") contour; and
WHEREAS, in 1996 the MSP Noise Mitigation Committee adopted
recommendations including noise mitigation to the 60 DNL and recommended a modified
program to homes through the 55 DNL contour; and
WHEREAS, on October 28, 1996 MAC approved the MSP Noise Mitgation___ __
Committee recommendations including extending the residential sound insulation program
for the area encompassed by the 2005 DNL 60 contour but did not approve a modified
program to the 55 DNL contour; and
WHEREAS, the State of Minnesota Advisory Council on Metropolitan Airport
Planning, pursuant to the Legislature's direction to review the recommendation and
comment to the Legislature, reviewed the recommendation and concurred with the
Commission's recommendation; and
WHEREAS, in its 2001 and 2004 Part 150 studies, the MAC stated that it
considered a standard of 60 dB for eligibility for the MAC Sound Insulation Program; and
WHEREAS, Metropolitan Council's Land Use Policy guidance indicates that
residential land use within the 60 DNL contour is inconsistent without sound attenuation.
NOW, THEREFORE, BE IT RESOLVED that the City Council affirms and ratifies
that the 60 DNL contour is the City of Richfield's airport noise threshold for preventive and
corrective noise mitigation in the environs of the Minneapolis-St. Paul International Airport.
Adopted by the City Council of the City of Richfield, Minnesota this14th day of
December 2010.
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Debbie Goettel; TVlayor
ATTEST:
:,
Nancy Gibbs, ity Clerk