Standard
Track updates
AS 2021:2015
[Current]Acoustics — Aircraft noise intrusion — Building siting and construction
Provides guidance on the siting and construction of new buildings against aircraft noise intrusion and on the acoustical adequacy of existing buildings in areas near aerodromes. The assessment of potential aircraft noise exposure at a given site is based on the Australian Noise Exposure Forecast (ANEF) system. The Standard also provides guidelines for determining the type of building construction necessary to provide a given noise reduction.
Published: 25/03/2015
Pages: 163
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Objective
1.3 Application
1.4 Referenced documents
1.5 Definitions
2 Building siting against aircraft noise intrusion
2.1 Determination of noise exposure of building site
2.1.1 Aerodromes with ANEF charts
2.1.2 Aerodromes without ANEF charts
2.2 Determination of building site acceptability
2.2.1 General
2.2.2 Determination of acceptability
2.3 Action resulting from acceptability determination
2.3.1 Acceptable
2.3.2 Conditionally acceptable
2.3.3 Unacceptable
3 Building construction against aircraft noise intrusion
3.1 Aircraft noise level
3.1.1 General
3.1.2 Determine aircraft types
3.1.3 Determine distance coordinates for building site relative to aerodrome runways
3.1.3.1 Aircraft using straight approach and departure flight paths
3.1.3.2 Aircraft using curved approach and departure tracks
3.1.3.3 Land height correction
3.1.4 Determine aircraft noise levels [dB(A)]
3.2 Noise reduction requirements
3.2.1 Determine indoor design sound level for aircraft flyovers
3.2.2 Determine aircraft noise reduction (ANR) required
3.3 Construction guidelines
3.4 Compliance test
Appendix A
A1 General
A2 The ANEF formula
A2.1 General
A2.2 Formula derivation
A2.3 Traffic forecasts and flight path allocation
A2.4 Military aircraft operations
A3 Types of aircraft noise contour charts
Appendix B
B1 Scope
B2 Provisions for development of ANEF charts
B2.1 General
B2.2 Allowance for future infrastructure and seasonal effects—Composite ANEF
B2.3 Military aircraft movements
B2.4 Transparency of assumptions for ANEF charts
B2.4.1 General
B2.4.2 The ANEF chart
B2.4.3 Movement growth forecasts
B2.4.4 Movement profiles
B2.4.5 Fleet mix tables
B2.4.6 Daily aircraft movements by type and runway
B2.4.7 Aircraft tracks and movements by track
B3 Preparation of an ANEF chart
Appendix C
Appendix D
D1 Scope
D2 Instrumentation
D2.1 General
D2.2 Calibration
D2.3 Field checks
D3 Measurements
D3.1 General
D3.2 Measurement positions
D3.2.1 Outdoor measurements
D3.2.2 Indoor measurements
D3.2.3 Determination of aircraft noise reduction (ANR)
D4 Reporting of results
Appendix E
E1 General
E2 Procedure
E3 Action resulting from acceptability determination
E3.1 Acceptable
E3.2 Conditionally acceptable
E3.3 Unacceptable
Appendix F
F1 General
F2 Sound transmission data
F2.1 General
F2.2 Laboratory versus in situ performance
F2.3 Importance of low frequencies
F2.4 Interpretation of test reports
F2.5 Repeatability and reproducibility of test data
F2.6 Confidence of test data
F3 Design and construction considerations
F3.1 General
F3.2 Planning
F3.3 Choice of elements
F3.3.1 Roofs
F3.3.2 Fibrous insulation
F3.3.3 Flexible acoustic membranes
F3.3.4 Windows
F3.3.5 Doors
F3.3.6 Ventilation
F3.4 Construction
Appendix G
G1 General
G1.1 Selection of components
G1.2 Number of components
G1.3 Aircraft noise attenuation by building components
G2 Determine ANAc Required of each component
G2.1 General
G2.2 Determine number of components (N)
G2.3 Determine the ceiling height (h)
G2.4 Determine the area ratio (Sc/Sf) for each component
G2.5 Estimate the reverberation time (T) of the room, in seconds
G2.6 Determine the orientation effect (Kc) for each component
G2.6.1 General
G2.6.2 More accurate determination of Kc
G2.7 Determine the aircraft noise attenuation required of each component
G3 Select materials and constructions having the ANAc required
G3.1 Determination of ANAc
G3.2 Limitations of procedure
Appendix H
Cited references in this standard
[Pending Revision]
Acoustics — Rating of sound insulation in buildings and of building elements, Part 1: Airborne sound insulation
[Superseded]
Electroacoustics — Sound level meters, Part 2: Pattern evaluation tests
[Current]
Electrical installations (known as the Australian/New Zealand Wiring Rules)
[Current]
Acoustics — Recommended design sound levels and reverberation times for building interiors
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