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                                                                                                                  Case History No. 3


This section of the
Central Artery Project
utilized (420) Sound
Seal BBC-13-2”
Acoustical Curtain
Panels to significantly
reduce construction
noise. . . .

. . . from interfering with visitors         It’s called “The Big Dig”. Boston’s    Curtain Panels are a combination of a
enjoyment of the Quincy Mar-          Central Artery and Harbor Tunnel project      2” thick vinyl-faced Quilted Fiberglass
ketplace.                             is the largest highway construction job       Sound Absorber and a 1 lb PSF reinforced
                                      ever undertaken in the United     loaded vinyl noise barrier. Modular
                                      a cost over $11 billion dollars!              panels are constructed with grommets
                                                                                    for attaching to the framework as well as
                                        One sensitive issue of such a significant   exterior grade hook and loop fasteners for
                                      project is how construction noise will        joining adjacent panels together. Sound
                                      impact local businesses and residences.       Seal manufactured and shipped over 400
                                      Quincy Marketplace, a unique, open-           such panels within a three-week period.
                                      air collection of restaurants, shops and      According to Eric Thailheimer, Project
                                      offices, is located adjacent to a section of  Manager of the Noise Control Division
                                      the project requiring working underneath      of the Central Artery Commission, “We
                                      an overhead highway, while a densely          are very pleased with the performance of
                                      populated residential area is located on      the noise curtains. They arrived on time
                                      the opposite side. Thus, the noise impact     and as designed. Although there are still
                                      upon the Marketplace and residences is        some more gaps we need to fill, we’ve
                                      even greater from the direct construction     done some preliminary comparative
                                      noise as well as the reflected noise off the  sound level readings and we are seeing
                                      deck. Neva Associates, the local Sound        a 9 to 10 dB(A) reduction.This is just what
                                      Seal distributor, working in conjunction      we promised and the community is very
                                      with the Noise Control Division of the        pleased.”
                                      Central Artery Commission, determined
                                      that Sound Seal BBC-13-2” Acoustical               Many other sections of the massive
                                      Curtain Panels would offer the required       project have also utilized the Sound Seal
                                      noise reduction. BBC-13-2” Acoustical         Curtain Panels with even better results
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