AS/NZS 3845:1999
Road safety barrier systems
Sets out requirements for roadside devices that provide some degree of redirection and containment capability when impacted by a vehicle, or provide controlled absorption of the kinetic energy of a vehicle that is on a collision course. The Standard also provides users with issues when specifying the installation, erection, maintenance and test methods for these devices to achieve an acceptable level of performance.
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AS/NZS 3845:1999 ROAD SAFETY BARRIER SYSTEMS
PREFACE
CONTENTS
FOREWORD
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 APPLICATION
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.4.1 Agency
1.4.2 Anchor bracket
1.4.3 Average recurrence interval (ARI)
1.4.4 Bearing plate
1.4.5 Blockout
1.4.6 Buffered end section
1.4.7 Cable assembly
1.4.8 Can
1.4.9 Clear zone
1.4.10 Concave
1.4.11 Convex
1.4.12 Crash
1.4.13 Crash attenuators
1.4.14 Crash testing
1.4.15 Deemed to comply
1.4.16 Design horizontal force
1.4.17 Design life
1.4.18 Diaphragm plate
1.4.19 Dynamic deflection
1.4.20 End treatment
1.4.21 Flare
1.4.22 Flare rate
1.4.23 Gating terminals
1.4.24 Interface
1.4.25 Length of need
1.4.26 Longitudinal road safety barrier system
1.4.27 Maintainer
1.4.28 Manufacturer
1.4.29 May
1.4.30 Median
1.4.31 Median road safety barrier system
1.4.32 Modified blockout
1.4.33 Modified eccentric loader terminal (MELT)
1.4.34 Nearside
1.4.35 Non-gating terminals
1.4.36 Non-recoverable slope
1.4.37 Non-rigid road safety barrier system
1.4.38 Offside
1.4.39 Pipe sleeve
1.4.40 Post
1.4.41 Proprietary system
1.4.42 Public domain system
1.4.43 Recoverable slope
1.4.44 Rigid road safety barrier system
1.4.45 Risk
1.4.46 Risk analysis
1.4.47 Risk management
1.4.48 Road safety barrier system
1.4.49 Shall
1.4.50 Shelf angle
1.4.51 Should
1.4.52 Shy-line
1.4.53 Specifier
1.4.54 Stiffener
1.4.55 Structure connector
1.4.56 Strut and yoke
1.4.57 Temporary road safety barrier system
1.4.58 Terminal
1.4.59 Test level (TL)
1.4.60 Test vehicle
1.4.61 Thrie-beam
1.4.62 Transition beam
1.4.63 UV
1.4.64 Verge
1.4.65 W-beam
1.4.67 Whole of life cost
1.4.68 Working width
1.4.69 Workzone
1.4.70 85th percentile
1.5 NOTATION
1.6 GENERAL REQUIREMENTS FOR ROAD SAFETY BARRIER SYSTEMS
1.7 USE OF OTHER MATERIALS
SECTION 2 ROAD SAFETY BARRIER SYSTEMS AND CRASH ATTENUATORS
2.1 SCOPE
2.2 GENERAL
2.2.1 Required information
2.2.2 Site information
2.2.3 Road safety barrier system information
2.2.4 Crash attenuator information
2.3 DESIGN AND DOCUMENTATION
2.3.1 General
2.3.2 Operational temperature range
2.3.3 Environment
2.3.4 Flooding
2.3.5 System details
2.3.6 Plan details
2.3.7 Elevation details
2.3.8 Transverse details
2.3.9 Foundation on natural ground
2.3.10 Foundations on structures
2.3.11 End treatment
2.3.12 Interfaces
2.3.13 Attachments
2.3.14 Emergency access
2.3.15 Tolerances
2.3.16 Modifications
2.3.17 Opening in the surface
2.3.18 Motorcycle road safety barrier system
2.3.19 Impact conditions
2.4 SUPPLY AND ERECTION
2.4.1 General
2.4.2 Damage
2.4.3 Component identification and assembly details
2.4.4 General tolerances
2.4.5 Surface finish
2.4.6 Setting out
2.4.7 Sequence of work
2.4.8 Installation acceptance criteria for posts
2.4.9 Construction acceptance criteria for foundations
2.4.10 Construction acceptance criteria for concrete construction
2.4.11 Plastic
2.4.12 Construction acceptance criteria for steel components
2.4.13 Acceptance criteria
2.5 MAINTENANCE AND DISMANTLING
2.5.1 General
2.5.2 Vandalism
2.5.3 Cleaning
2.5.4 Ballast
2.5.5 General site maintenance
2.5.6 Dismantling
2.6 POST-CRASH ASSESSMENT AND REPAIR
2.6.1 General
2.6.2 Damage
2.6.3 Refurbishment
SECTION 3 RIGID ROAD SAFETY BARRIER SYSTEMS
3.1 SCOPE
3.2 GENERAL
3.3 DEVELOPMENT OF DESIGN
3.3.1 General
3.3.2 Other crashes
3.4 ANALYSIS OF STRESSES IN RIGID ROAD SAFETY BARRIER SYSTEMS
3.5 OTHER RESULTS
3.6 RIGID ROAD SAFETY BARRIER PROFILE
3.7 FOUNDATION
3.8 COMBINATIONS OF RIGID ROAD SAFETY BARRIER SYSTEM AND RAIL SYSTEM
3.9 PROXIMITY OF KERBS
3.10 PROVISION FOR PEDAL CYCLISTS AND PEDESTRIANS
3.11 TERMINALS AND INTERFACE DETAILS
3.12 RIGID ROAD SAFETY BARRIER SYSTEMS IN PUBLIC DOMAIN
SECTION 4 NON-RIGID ROAD SAFETY BARRIERS
4.1 SCOPE
4.2 DESIGN OF NON-RIGID ROAD SAFETY BARRIER SYSTEMS
4.3 INSTALLATION
4.4 DEVELOPMENT OF NON-RIGID ROAD SAFETY BARRIER SYSTEMS
4.4.1 General
4.4.2 All non-rigid road safety barrier systems
4.4.3 Non-rigid road safety barrier systems with tensioned wire ropes
4.5 PUBLIC DOMAIN NON-RIGID ROAD SAFETY BARRIER SYSTEMS
4.5.1 General
4.5.2 Area between traffic lane and non-rigid road safety barrier systems
4.5.3 Location and orientation of steel blockouts, posts and nailing laps
4.5.4 Foundation posts on natural ground
4.5.5 Anchorage of the W-beam or thrie-beam
4.5.6 Fixing of the W-beam or thrie-beam to the blockouts
SECTION 5 TESTING
5.1 SCOPE
5.2 GENERAL
5.3 MODIFICATIONS TO NCHRP 350
5.3.1 Chapter 1
5.3.2 Chapter 2
5.3.3 Chapter 3
5.3.4 Chapter 4
5.3.5 Chapter 5
5.3.6 Chapter 6
5.3.7 Chapter 7
APPENDIX A - BACKGROUND INFORMATION
APPENDIX B - COMMENTARY ON SECTION 2
B2.1 SCOPE
B2.2 GENERAL
B2.3 DESIGN AND DOCUMENTATION
B2.5 MAINTENANCE AND DISMANTLING
B2.6 POST CRASH ASSESSMENT AND REPAIR
APPENDIX C - COMMENTARY ON SECTION 3
C3.1 SCOPE
C3.2 GENERAL
C3.3 DEVELOPMENT OF DESIGN
C3.4 ANALYSIS OF STRESSES IN RIGID BARRIERS
C3.7 FOUNDATIONS
C3.12 RIGID ROAD SAFETY BARRIER SYSTEMS IN THE PUBLIC DOMAIN
APPENDIX D - COMMENTARY ON SECTION 4
D4.1 SCOPE
D4.3 INSTALLATION
D4.4 DEVELOPMENT OF NON-RIGID ROAD SAFETY BARRIER SYSTEMS
APPENDIX E - COMMENTARY ON SECTION 5
APPENDIX F - DETAILS OF A ROAD SAFETY BARRIER LAYOUT
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Related Information
Health and Safety at Work (Hazardous Substances—Thermoplastic Stationary Tanks) Safe Work Instrument 2017
Ministry: WorkSafe New Zealand
Section: Interpretation
Citation context:AS/NZS 3845 means the Australian/New Zealand standard AS/NZS 3845:1999 Road safety barrier systems
Health and Safety at Work (Hazardous Substances—Thermoplastic Stationary Tanks) Safe Work Instrument 2017
Ministry: WorkSafe New Zealand
Section: 11(2)
Citation context:Where any reasonably foreseeable impact is from a vehicle travelling at a speed not exceeding 20 km per hour, a Type G4 (W-beam) guardrail highway crash barrier that complies with AS/NZS 3845 meets the requirements of subclause (1).
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AS/NZS 3845:1999 ROAD SAFETY BARRIER SYSTEMS
PREFACE
CONTENTS
FOREWORD
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 APPLICATION
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.4.1 Agency
1.4.2 Anchor bracket
1.4.3 Average recurrence interval (ARI)
1.4.4 Bearing plate
1.4.5 Blockout
1.4.6 Buffered end section
1.4.7 Cable assembly
1.4.8 Can
1.4.9 Clear zone
1.4.10 Concave
1.4.11 Convex
1.4.12 Crash
1.4.13 Crash attenuators
1.4.14 Crash testing
1.4.15 Deemed to comply
1.4.16 Design horizontal force
1.4.17 Design life
1.4.18 Diaphragm plate
1.4.19 Dynamic deflection
1.4.20 End treatment
1.4.21 Flare
1.4.22 Flare rate
1.4.23 Gating terminals
1.4.24 Interface
1.4.25 Length of need
1.4.26 Longitudinal road safety barrier system
1.4.27 Maintainer
1.4.28 Manufacturer
1.4.29 May
1.4.30 Median
1.4.31 Median road safety barrier system
1.4.32 Modified blockout
1.4.33 Modified eccentric loader terminal (MELT)
1.4.34 Nearside
1.4.35 Non-gating terminals
1.4.36 Non-recoverable slope
1.4.37 Non-rigid road safety barrier system
1.4.38 Offside
1.4.39 Pipe sleeve
1.4.40 Post
1.4.41 Proprietary system
1.4.42 Public domain system
1.4.43 Recoverable slope
1.4.44 Rigid road safety barrier system
1.4.45 Risk
1.4.46 Risk analysis
1.4.47 Risk management
1.4.48 Road safety barrier system
1.4.49 Shall
1.4.50 Shelf angle
1.4.51 Should
1.4.52 Shy-line
1.4.53 Specifier
1.4.54 Stiffener
1.4.55 Structure connector
1.4.56 Strut and yoke
1.4.57 Temporary road safety barrier system
1.4.58 Terminal
1.4.59 Test level (TL)
1.4.60 Test vehicle
1.4.61 Thrie-beam
1.4.62 Transition beam
1.4.63 UV
1.4.64 Verge
1.4.65 W-beam
1.4.67 Whole of life cost
1.4.68 Working width
1.4.69 Workzone
1.4.70 85th percentile
1.5 NOTATION
1.6 GENERAL REQUIREMENTS FOR ROAD SAFETY BARRIER SYSTEMS
1.7 USE OF OTHER MATERIALS
SECTION 2 ROAD SAFETY BARRIER SYSTEMS AND CRASH ATTENUATORS
2.1 SCOPE
2.2 GENERAL
2.2.1 Required information
2.2.2 Site information
2.2.3 Road safety barrier system information
2.2.4 Crash attenuator information
2.3 DESIGN AND DOCUMENTATION
2.3.1 General
2.3.2 Operational temperature range
2.3.3 Environment
2.3.4 Flooding
2.3.5 System details
2.3.6 Plan details
2.3.7 Elevation details
2.3.8 Transverse details
2.3.9 Foundation on natural ground
2.3.10 Foundations on structures
2.3.11 End treatment
2.3.12 Interfaces
2.3.13 Attachments
2.3.14 Emergency access
2.3.15 Tolerances
2.3.16 Modifications
2.3.17 Opening in the surface
2.3.18 Motorcycle road safety barrier system
2.3.19 Impact conditions
2.4 SUPPLY AND ERECTION
2.4.1 General
2.4.2 Damage
2.4.3 Component identification and assembly details
2.4.4 General tolerances
2.4.5 Surface finish
2.4.6 Setting out
2.4.7 Sequence of work
2.4.8 Installation acceptance criteria for posts
2.4.9 Construction acceptance criteria for foundations
2.4.10 Construction acceptance criteria for concrete construction
2.4.11 Plastic
2.4.12 Construction acceptance criteria for steel components
2.4.13 Acceptance criteria
2.5 MAINTENANCE AND DISMANTLING
2.5.1 General
2.5.2 Vandalism
2.5.3 Cleaning
2.5.4 Ballast
2.5.5 General site maintenance
2.5.6 Dismantling
2.6 POST-CRASH ASSESSMENT AND REPAIR
2.6.1 General
2.6.2 Damage
2.6.3 Refurbishment
SECTION 3 RIGID ROAD SAFETY BARRIER SYSTEMS
3.1 SCOPE
3.2 GENERAL
3.3 DEVELOPMENT OF DESIGN
3.3.1 General
3.3.2 Other crashes
3.4 ANALYSIS OF STRESSES IN RIGID ROAD SAFETY BARRIER SYSTEMS
3.5 OTHER RESULTS
3.6 RIGID ROAD SAFETY BARRIER PROFILE
3.7 FOUNDATION
3.8 COMBINATIONS OF RIGID ROAD SAFETY BARRIER SYSTEM AND RAIL SYSTEM
3.9 PROXIMITY OF KERBS
3.10 PROVISION FOR PEDAL CYCLISTS AND PEDESTRIANS
3.11 TERMINALS AND INTERFACE DETAILS
3.12 RIGID ROAD SAFETY BARRIER SYSTEMS IN PUBLIC DOMAIN
SECTION 4 NON-RIGID ROAD SAFETY BARRIERS
4.1 SCOPE
4.2 DESIGN OF NON-RIGID ROAD SAFETY BARRIER SYSTEMS
4.3 INSTALLATION
4.4 DEVELOPMENT OF NON-RIGID ROAD SAFETY BARRIER SYSTEMS
4.4.1 General
4.4.2 All non-rigid road safety barrier systems
4.4.3 Non-rigid road safety barrier systems with tensioned wire ropes
4.5 PUBLIC DOMAIN NON-RIGID ROAD SAFETY BARRIER SYSTEMS
4.5.1 General
4.5.2 Area between traffic lane and non-rigid road safety barrier systems
4.5.3 Location and orientation of steel blockouts, posts and nailing laps
4.5.4 Foundation posts on natural ground
4.5.5 Anchorage of the W-beam or thrie-beam
4.5.6 Fixing of the W-beam or thrie-beam to the blockouts
SECTION 5 TESTING
5.1 SCOPE
5.2 GENERAL
5.3 MODIFICATIONS TO NCHRP 350
5.3.1 Chapter 1
5.3.2 Chapter 2
5.3.3 Chapter 3
5.3.4 Chapter 4
5.3.5 Chapter 5
5.3.6 Chapter 6
5.3.7 Chapter 7
APPENDIX A - BACKGROUND INFORMATION
APPENDIX B - COMMENTARY ON SECTION 2
B2.1 SCOPE
B2.2 GENERAL
B2.3 DESIGN AND DOCUMENTATION
B2.5 MAINTENANCE AND DISMANTLING
B2.6 POST CRASH ASSESSMENT AND REPAIR
APPENDIX C - COMMENTARY ON SECTION 3
C3.1 SCOPE
C3.2 GENERAL
C3.3 DEVELOPMENT OF DESIGN
C3.4 ANALYSIS OF STRESSES IN RIGID BARRIERS
C3.7 FOUNDATIONS
C3.12 RIGID ROAD SAFETY BARRIER SYSTEMS IN THE PUBLIC DOMAIN
APPENDIX D - COMMENTARY ON SECTION 4
D4.1 SCOPE
D4.3 INSTALLATION
D4.4 DEVELOPMENT OF NON-RIGID ROAD SAFETY BARRIER SYSTEMS
APPENDIX E - COMMENTARY ON SECTION 5
APPENDIX F - DETAILS OF A ROAD SAFETY BARRIER LAYOUT
AS/NZS 3845:1999
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.