AS/NZS 4422:1996
Playground surfacing - Specifications, requirements and test method
Specifies general requirements for surfacing to be used in children`s playgrounds and specific requirements for areas where impact energy attenuation is necessary. It suggests the factors that should be considered when selecting a playground surface and gives a method of test by which the impact energy attenuation can be determined; this test gives a critical fall height for a surface that represents the upper limit of its effectiveness in reducing head injury when using playground equipment conforming to AS 1924, Parts 1 and 2 or NZS 5828, Parts 2 and 3. Reprinted to incorporate Amendment 1:1999.
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AS/NZS 4422:1996 Playground surfacing - Specifications, requirements and test method
PREFACE
CONTENTS
FOREWORD
1 SCOPE
2 OBJECTIVE
3 REFERENCED DOCUMENTS
4 DEFINITIONS
4.1 Critical fall height
4.2 Drop height
4.3 Drop test
4.4 Early childhood
4.5 Effective drop height
4.6 Fall zone
4.7 Free height of fall
4.8 g
4.9 g-max
4.10 Head injury criteria (HIC)
4.11 Impact attenuation
4.12 Impact measurement
4.13 Loose fill material
4.14 Solid surfacing
4.15 Surfacing
4.16 Test position
5 GENERAL REQUIREMENTS
5.1 Tripping hazards
5.2 Abrasion hazards
5.3 Toxicity hazards
5.4 Inhalation hazard
5.5 Performance information
5.5 Loose fill
5.6 Identification
6 SPECIFIC REQUIREMENTS FOR IMPACT ATTENUATION
6.1 Fall heights up to 50 cm
6.2 Fall heights over 50 cm
6.3 No impact energy attenuation
6.4 Impact attenuation requirements
6.4.1 General
6.4.2 Laboratory testing
6.4.3 On-site testing
6.5 Loose fill material
7 FALL ZONES
7.1 General
7.2 Fall zone dimensions
APPENDIX A - DETERMINATION OF HIC AND g VALUES
A1 PRINCIPLE
A2 APPARATUS
A2.1 Fall test headform
A2.2 Accelerometer
A2.3 Impact measurement equipment
A3 TEST CONDITIONS
A3.1 General
A3.2 Representative conditions
A3.3 Specific conditions
A3.4 Laboratory test specimens
A4 TEST PROCEDURE
A4.1 Selecting the test position
A4.2 Specific test procedures (see Figure A2)
A4.3 Selection of data for determination of critical fall height
A5 CALCULATION OF RESULTS
A5.1 HIC
A5.2 Material allowance
A6 TEST REPORT
APPENDIX B - GUIDANCE ON MINIMUM FALL ZONES
B1 SCOPE
B2 DETERMINATION OF FALL ZONE DIMENSIONS
B2.1 Equipment usage
B2.2 Area
B2.3 Measurement points
Amendments
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References
Specification for playgrounds and playground equipment - General guidelines for new and existing playgrounds - equipment and surfacing
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AS/NZS 4422:1996 Playground surfacing - Specifications, requirements and test method
PREFACE
CONTENTS
FOREWORD
1 SCOPE
2 OBJECTIVE
3 REFERENCED DOCUMENTS
4 DEFINITIONS
4.1 Critical fall height
4.2 Drop height
4.3 Drop test
4.4 Early childhood
4.5 Effective drop height
4.6 Fall zone
4.7 Free height of fall
4.8 g
4.9 g-max
4.10 Head injury criteria (HIC)
4.11 Impact attenuation
4.12 Impact measurement
4.13 Loose fill material
4.14 Solid surfacing
4.15 Surfacing
4.16 Test position
5 GENERAL REQUIREMENTS
5.1 Tripping hazards
5.2 Abrasion hazards
5.3 Toxicity hazards
5.4 Inhalation hazard
5.5 Performance information
5.5 Loose fill
5.6 Identification
6 SPECIFIC REQUIREMENTS FOR IMPACT ATTENUATION
6.1 Fall heights up to 50 cm
6.2 Fall heights over 50 cm
6.3 No impact energy attenuation
6.4 Impact attenuation requirements
6.4.1 General
6.4.2 Laboratory testing
6.4.3 On-site testing
6.5 Loose fill material
7 FALL ZONES
7.1 General
7.2 Fall zone dimensions
APPENDIX A - DETERMINATION OF HIC AND g VALUES
A1 PRINCIPLE
A2 APPARATUS
A2.1 Fall test headform
A2.2 Accelerometer
A2.3 Impact measurement equipment
A3 TEST CONDITIONS
A3.1 General
A3.2 Representative conditions
A3.3 Specific conditions
A3.4 Laboratory test specimens
A4 TEST PROCEDURE
A4.1 Selecting the test position
A4.2 Specific test procedures (see Figure A2)
A4.3 Selection of data for determination of critical fall height
A5 CALCULATION OF RESULTS
A5.1 HIC
A5.2 Material allowance
A6 TEST REPORT
APPENDIX B - GUIDANCE ON MINIMUM FALL ZONES
B1 SCOPE
B2 DETERMINATION OF FALL ZONE DIMENSIONS
B2.1 Equipment usage
B2.2 Area
B2.3 Measurement points
Amendments
AS/NZS 4422:1996
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The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). During your subscription period, we are also able to make any necessary changes and ensure you are aware of any pricing changes that result. For a quote, contact our Online Library team by emailing onlinelibrary@standards.govt.nz.