Numbers and Titles



Includesbarriers, silencers, and electronic frequency canceling devices for noise reduction.
See02 22 16 for acoustic assessment. 07 92 19 for acoustic sealants. 09 80 00 for acoustic treatment. 13 21 48 for sound-conditioned rooms. 13 48 00 for sound, vibration, and seismic control. 32 35 16 for sound barriers associated with site improvements. 34 70 00 for sound barriers associated with highways, railroads, and other modes of transportation.
44 21 13Fixed Noise Abatement Barriers
44 21 16Flexible Noise Abatement Barriers
44 21 19Portable Noise Abatement Barriers
44 21 23Noise Pollution Silencers
44 21 26Frequency Cancellers