Standard
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AS/NZS 1801:2024
[Current]Occupational protective helmets
AS/NZS 1801:2024 provides specifications for protective helmets to reduce the severity of head injury from hazards associated with those occupations.
Published: 20/09/2024
Pages: 32
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Classification
1.3 Normative references
1.4 Terms and definitions
1.5 Nominal values and tolerances
1.6 Interpretation of specified limiting values
2 Materials
2.1 Shell materials
2.2 Harness system, impact energy attenuation liner and retention system materials
2.2.1 General
2.2.2 Optional requirement for dusty work environments
3 Design and construction
3.1 Types 1 and 2 helmets
3.1.1 General
3.1.2 Shell
3.1.2.1 Shell construction
3.1.2.2 Shell conspicuity
3.1.2.3 Retroreflective material
3.1.3 Harness system
3.2 Type 4 helmet
3.2.1 General
3.2.2 Shell
3.2.3 Retention system
3.3 Helmet accessories
3.3.1 General
3.3.2 Lamp bracket and cable clip
3.3.3 Chin strap
3.3.4 Earmuffs and means of attachment
3.3.5 Eye and face protection and means of attachment
3.3.6 Ear and neck protection
3.3.7 Additional personal protective devices
3.4 Ventilation
3.4.1 General
3.4.2 Shell vent
3.5 Helmet mass
4 Performance testing
4.1 General for Types 1 and 2 helmets
4.2 Application of tests for Types 1 and 2 helmets
4.2.1 Type 1 helmets
4.2.2 Type 2 helmets
4.3 General for Type 4 helmets
4.4 Application of tests for Type 4 helmets
4.5 Conditioning
4.6 Electrical resistance test
4.7 Stiffness test (optional)
4.8 Striker drop test
4.8.1 Types 1 and 2 helmets
4.8.2 Type 4 helmets
4.9 Impact energy attenuation test
4.10 Dynamic strength of the retention system
4.11 Dynamic helmet stability
4.12 Resistance to penetration
4.13 Thermal performance
4.13.1 Resistance to ignition of helmet shell
4.13.2 Prolonged high temperature stability
4.13.3 Resistance to ignition of ear and neck protectors
4.14 High retaining strap strength
5 Marking
5.1 Helmet shells
5.2 Harness systems
5.3 High retaining chin straps
5.4 Stiffness test (optional)
Appendix A
A.1 Harness system
A.1.1 General
A.1.2 Cradle
A.1.3 Headband
A.1.4 Nape strap
A.2 Dimensions for Types 1 and 2 helmets
A.2.1 Vertical clearance
A.2.2 Wearing height
A.2.3 External vertical distance
A.2.4 Lateral clearance
Appendix B
B.1 Scope
B.2 Principle
B.3 Apparatus
B.4 Procedure
B.5 Report
Appendix C
C.1 Scope
C.2 Principle
C.3 Apparatus
C.4 Procedure
C.5 Report
Appendix D
D.1 Scope
D.2 Principle
D.3 Apparatus
D.3.1 Headforms
D.3.2 Striker
D.4 Methods of measurement of transmitted force
D.4.1 Acceleration method
D.4.2 Force method
D.4.3 Data channel
D.4.4 Instrumentation checks
D.4.4.1 System calibration
D.4.4.2 Electronic calibration
D.5 Test procedure
D.6 Report
Appendix E
E.1 Scope
E.2 Principle
E.3 Apparatus and mounting
E.3.1 Headforms
E.3.2 Striker
E.4 Procedure
E.5 Report
Appendix F
F.1 Scope
F.2 Principle
F.3 Apparatus
F.4 Test 1
F.4.1 Preparation
F.4.2 Procedure
F.4.3 Report
F.5 Test 2
F.5.1 Preparation
F.5.2 Procedure
F.5.3 Report
Appendix G
G.1 Scope
G.2 Principle
G.3 Apparatus
G.4 Prolonged high temperature stability test
G.4.1 Procedure
G.4.2 Report
Bibliography
Cited references in this standard
[Current]
Methods of testing protective helmets, Method 2: General requirements for the conditioning and preparation of test specimens and laboratory conditions
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