Military Compatibility Area
Strategy
so as to limit their interior noise level to no greater
than 45 Ldn. Exterior structures, terrain and
permanent plantings shall be permitted to be
included as part of the alternative design. The
alternative design shall be certified by an acoustical
engineer.
dB
LDN
STC of Exterior
Walls and Roof /
Ceiling STC of
Doors /
Windows
65‐69 39 25
70‐74 44 33
> 75 49 38
Recommendation applies to cities of Prattville,
and Millbrook, and Town of Coosada if future noise
levels are demonstrated to exceed 65 dB in the
future.
Other Primary Partners: City of Millbrook, Town of
Coosada
June 2017
Joint Land Use Study Report
Page 81