West Northern Lights Boulevard – Sound Barrier Improvements August 16, 2006 Meeting Purpose: A Forum to Share and Gather Information The Municipality of Anchorage Project Management and The Municipality of Anchorage Project Management and Engineering Dept. and CRW Engineering Group, LLC Engineering Dept. and CRW Engineering Group, LLC
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West Northern Lights Boulevard – Sound Barrier Improvements August 16, 2006
West Northern Lights Boulevard – Sound Barrier Improvements August 16, 2006. Meeting Purpose: A Forum to Share and Gather Information. The Municipality of Anchorage Project Management and Engineering Dept. and CRW Engineering Group, LLC. Introduction. Rebecca Campbell, CRW Engineering - PowerPoint PPT Presentation
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West Northern Lights Boulevard – Sound Barrier Improvements
August 16, 2006
Meeting Purpose:
A Forum to Share and Gather Information
The Municipality of Anchorage Project Management and Engineering The Municipality of Anchorage Project Management and Engineering Dept. and CRW Engineering Group, LLCDept. and CRW Engineering Group, LLC
August 16, 2006West Northern Lights Blvd. Sound
Barrier Improvements2
Introduction
Rebecca Campbell, CRW Engineering Steve Gillette, PM&E
August 16, 2006West Northern Lights Blvd. Sound
Barrier Improvements3
Study Area
West Northern Lights Boulevard – Forest Park Drive to Arlington Drive
Overview
August 16, 2006West Northern Lights Blvd. Sound
Barrier Improvements4
Study Results
One 24 hour monitor was set at 2050 Churchill Drive (Ldn)
Numerous Spot Measurements were taken along the study area. (LEQ)
The Equivalent Level (LEQ)- represents the average noise level for an entire hour
The Day-Night Level (Ldn) – 24 hour weighted noise average
Noise Study
August 16, 2006West Northern Lights Blvd. Sound
Barrier Improvements5
Study Results
24 Hour average (Ldn) at 2050 Churchill Drive was 78 decibels (dBA)
The standard noise criteria for residential developments are: