TM 5-805-91AFM 88-201 NAVFAC DM-3.14
EXAMPLES OF SOUND ANALYSIS PROCEDURE
flers to meet the noise requirements of a nearby
41. Summary of examples.
military base hospital. Both examples are fabri-
Two engine-generator installations are studied in
cated only to illustrate the methodology of this
sufficient detail to illustrate the versatility of the
manual; they do not represent proven structural or
sound analysis procedure. The first installation is
an on-grade power plant with two engine rooms, a
control room, and some nearby office space in the
same building. A variety of gas or diesel
42. Example of an on-grade gas or diesel
base housing is located relatively close to the plant.
a. Description of the power station. A power sta-
The second installation is a single conventional
packaged gas turbine engine generator with its
tion, shown in figure 4-1, is to be located 1200 ft.
from on-base housing.
vertical intake and exhaust stacks fitted with muf-