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ASTM E 1111 Document Information:
Title
Standard Test Method for Measuring the Interzone Attenuation of Open Office Components
ASTM International
Publication Date:
Apr 1, 2007
Scope:
This test method covers the measurement of the interzone
attenuation for three components of open-plan spaces:
Ceiling systems when used in conjunction with partial-height
space dividers. This arrangement is commonly used in offices to
achieve speech privacy between work zones in the absence of
full-height partitions. This test method is applicable to any
ceiling configuration, including, for example, a pattern of
sound-reflective panels in an otherwise sound-absorptive ceiling.
This test method generally requires use of a fixed space divider
height of 1.50 m (60 in). In recognition of trends toward alternate
divider heights in open office environments, measurements with an
alternate divider height may be conducted in accordance with this
standard.
Furniture panels used as acoustical barriers in open-plan spaces
to provide speech privacy or sound isolation between working
positions.
Vertical panels, including wall finishes such as sound-absorbent
panels, and furniture panels or screens which may reflect sound. It
may not be applicable to such items as window finishes or furniture
other than panels if these differ significantly from flat wall
panels.
The combination of results from the various components of an
open-plan office is beyond the scope of this standard.
Unless otherwise qualified, all dimensions specified in this
test method shall be understood to have a tolerance of ±6 mm (±¼
in.) The values stated in SI units are to be regarded as the
standard. The values given in parentheses are provided for
information only.
This standard does not purport to address all of the safety
concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and
health practices and determine the applicability of regulatory
limitations prior to use.
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