FHWA roadway construction noise model, version 1.0 : user's guide
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2006-01-01
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Edition:Final Report; January 2004¿January 2006
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Abstract:The Roadway Construction Noise Model (RCNM) is the Federal Highway Administration’s (FHWA) national model
for the prediction of construction noise. Due to the fact that construction is often conducted in close
proximity to residences and businesses, construction noise must be controlled and monitored to avoid impacts
on surrounding communities. In addition to community issues, excessive noise can threaten a construction
projects’ progress. Each project needs to balance the community’s need for peace and quiet with the
contractor’s need to progress the work.
During the Central Artery/Tunnel (CA/T) project in Boston, Massachusetts, the project’s noise control
program developed the Construction Noise Control Specification 721.560, the most comprehensive noise
specification ever developed in the United States. As part of the CA/T project noise control program, a
construction noise prediction spreadsheet was developed. Because the CA/T prediction tool can benefit other
state and local governments, the FHWA developed the RCNM, which is based on the noise prediction
calculations and equipment database used in the CA/T prediction spreadsheet. The RCNM provides a
construction noise screening tool to easily predict construction noise levels and determine compliance with
noise limits for a variety of construction noise projects of varying complexity.
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