AS/NZS 4233.1:2013
High pressure water jetting systems - Part 1: Safe operation and maintenance
Provides requirements and guidance for the operation and maintenance of water jetting equipment. It describes methods for eliminating hazards or minimizing risks associated with high pressure water jetting. Applies to high pressure water jetting systems with an output capability greater than 800 bar litres per minute and less than 5600 bar litres per minute (identified as Class A) and systems with an output capability in excess 5600 bar litres per minute (identified as Class B).
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AS/NZS 4233.1:2013 HIGH PRESSURE WATER JETTING SYSTEMS - SAFE OPERATION AND MAINTENANCE
PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 OBJECTIVE
1.3 APPLICATION
1.4 GENERAL REQUIREMENTS
1.5 NORMATIVE REFERENCES
1.6 DEFINITIONS
1.6.1 Anti-withdrawal device
1.6.2 Automated or remote operations
1.6.3 Automatic unloading device/pressure-regulating device
1.6.4 Bar litres per minute
1.6.5 Capable person (New Zealand)
1.6.6 Class A systems
1.6.7 Class B systems
1.6.8 Competent person (Australia)
1.6.9 Dry shut-off valve system
1.6.10 Dump valve system
1.6.11 Electrical or pneumatic control system
1.6.12 Foot control device
1.6.13 Hand-held jetting/surface preparation devices
1.6.14 High pressure water jetting
1.6.15 High pressure water jetting system
1.6.16 Hose assembly
1.6.17 Hose restraint
1.6.18 Jetting gun
1.6.19 Lances
1.6.20 Lancing (rigid or flexible)
1.6.21 Manipulator
1.6.22 Nozzle
1.6.23 Operator
1.6.24 Operator trainee
1.6.25 Pipe or tube cleaning
1.6.26 Reaction force
1.6.27 Refresher training
1.6.28 Retro gun
1.6.29 Safety observer
1.6.30 Shall
1.6.31 Shotgunning
1.6.32 Should
1.6.33 Shroud
1.6.34 Starter bar
1.6.35 System control
1.6.36 Water jet
SECTION 2 GENERAL REQUIREMENTS
2.1 GENERAL
2.2 LIMITATION AND USE
2.3 SAFEGUARDS
SECTION 3 INSPECTION AND MAINTENANCE
3.1 GENERAL
3.2 MAINTENANCE AND INSPECTION
3.2.1 Pump unit
3.2.2 Filters and strainers
3.2.3 Hose assemblies
3.2.4 Re-end hose assemblies
3.2.5 Jetting nozzles
3.2.6 Jetting guns
3.2.7 Foot control devices
3.2.8 Electrical and pneumatic equipment
3.2.9 Engine controls
3.2.10 Operational leaks
3.3 SERVICING
3.4 REPAIRS
3.5 TOOLS
3.6 COMPATIBILITY
3.7 ELECTRICAL EQUIPMENT
3.8 MAINTENANCE RECORD
3.9 FROST PROTECTION
SECTION 4 PERSONAL PROTECTIVE EQUIPMENT
4.1 GENERAL
4.2 HEAD PROTECTION
4.3 EYE AND FACE PROTECTION
4.4 BODY PROTECTION
4.5 HAND PROTECTION
4.6 FOOT AND LOWER LEG PROTECTION
4.7 HEARING PROTECTION
4.8 RESPIRATORY PROTECTION
SECTION 5 PRE-OPERATIONAL PROCEDURES
5.1 PLANNING
5.2 CHECKLIST
5.3 SYSTEM CONTROL
5.4 WORK AREAS
5.4.1 Area limits
5.4.2 Warning barriers
5.4.3 Warning signs
5.5 SET-UP
5.5.1 Hose assemblies
5.5.2 Fittings
5.5.3 Nozzles
5.5.4 Pre-flushing
5.5.5 Electrical equipment
SECTION 6 OPERATIONAL PROCEDURES
6.1 GENERAL
6.2 WORK AREAS
6.2.1 Limitations when working at heights
6.2.2 Confined space working
6.2.3 Access to barricaded areas
6.2.4 Approaching the nozzle operator
6.3 PERSONAL PROTECTIVE EQUIPMENT (PPE)
6.4 OPERATIONS
6.4.1 Commencement
6.4.2 Adjustments
6.4.3 Equipment malfunction
6.4.4 Reaction force
6.4.5 Effect of line pulses
6.4.6 Hose assemblies
6.4.7 Hose protection
6.4.8 Operational positioning
6.4.9 Cessation of work
6.4.10 Operator access
6.4.11 Solid screen barrier(s)
6.4.12 Hazardous materials
6.4.13 Additives
6.5 PRESSURIZING SYSTEMS
6.6 OPERATING PERSONNEL
6.6.1 Single-person operation
6.6.2 Multiple-person operations
6.6.3 Fit for work
6.7 HAND-HELD JETTING GUN OPERATIONS
6.8 LANCING, PIPE AND DRAIN CLEANING
6.8.1 General
6.8.2 Control
6.8.3 Retro jets
6.8.4 Clearance
6.8.5 Pressurization
6.8.6 Nozzle hose end identification
6.8.7 Nozzle assembly
6.8.8 Open opposite pipe end
6.8.9 Anti-withdrawal devices
6.8.10 Shotgunning
SECTION 7 OPERATIONAL TRAINING
7.1 QUALIFIED OPERATORS
7.2 TRAINING CLASS A
7.3 TRAINING CLASS B
7.3.1 For New Zealand
7.3.2 Training organizations
7.3.3 Training
7.4 REFRESHER TRAINING
SECTION 8 PERMANENT CLEANING AREAS
8.1 GENERAL
8.2 ENCLOSURE
8.3 ACCESS
8.4 HAZARDS
8.5 ELECTRICAL HAZARDS
8.6 WASTE COLLECTION
8.7 DISPOSAL OF HAZARDOUS MATERIAL WASTE
SECTION 9 INCIDENT AND ACCIDENT REPORTING FOR COMMERCIAL AND INDUSTRIAL APPLICATIONS
9.1 REPORTING
9.2 PERSONAL INJURIES
9.3 MEDICAL REQUIREMENT
9.4 IMMEDIATE FIRST AID
9.5 MEDICAL ALERT CARD
APPENDIX A - PRESSURE FLOW DIAGRAM
A1 GENERAL
A2 DETERMINING THE CLASS OF HIGH PRESSURE WATER JETTER UNIT
APPENDIX B - INSPECTION, CARE AND MAINTENANCE OF HOSE ASSEMBLIES
B1 SCOPE
B2 GENERAL
B3 SERVICE LIFE
B4 CARE
APPENDIX C - PRE-SERVICE AND OPERATIONAL CHECKLIST FOR HIGH PRESSURE WATER JETTING
APPENDIX D - HAND SIGNALS
APPENDIX E - INSPECTION AND TESTING OF HIGH PRESSURE WATER JETTING SYSTEM HOSE ASSEMBLIES
E1 GENERAL
E2 PRINCIPLE
E3 PREPARATION
E3.1 Identification
E3.2 Inspection
E4 REPAIR
E5 PROCEDURE
E6 REPORT
BIBLIOGRAPHY
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References
Acoustics - Hearing protectors
Personal eye protection - Part 2: Mesh eye and face protectors for occupational applications
Eye and face protection - Part 4: Filters and eye protectors against laser radiation (laser eye-protectors)
Eye and face protection - Part 5: Eye protectors for adjustment work on lasers and laser systems (laser adjustment eye-protectors)
Personal eye protection - Part 6: Prescription eye protectors against low and medium impact
Occupational protective gloves - Protection against mechanical risks
Occupational protective gloves - Protection against cold
Protective clothing - Protection against Chemicals - Determination of resistance of protective clothing materials to permeation by liquids and gases
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AS/NZS 4233.1:2013 HIGH PRESSURE WATER JETTING SYSTEMS - SAFE OPERATION AND MAINTENANCE
PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 OBJECTIVE
1.3 APPLICATION
1.4 GENERAL REQUIREMENTS
1.5 NORMATIVE REFERENCES
1.6 DEFINITIONS
1.6.1 Anti-withdrawal device
1.6.2 Automated or remote operations
1.6.3 Automatic unloading device/pressure-regulating device
1.6.4 Bar litres per minute
1.6.5 Capable person (New Zealand)
1.6.6 Class A systems
1.6.7 Class B systems
1.6.8 Competent person (Australia)
1.6.9 Dry shut-off valve system
1.6.10 Dump valve system
1.6.11 Electrical or pneumatic control system
1.6.12 Foot control device
1.6.13 Hand-held jetting/surface preparation devices
1.6.14 High pressure water jetting
1.6.15 High pressure water jetting system
1.6.16 Hose assembly
1.6.17 Hose restraint
1.6.18 Jetting gun
1.6.19 Lances
1.6.20 Lancing (rigid or flexible)
1.6.21 Manipulator
1.6.22 Nozzle
1.6.23 Operator
1.6.24 Operator trainee
1.6.25 Pipe or tube cleaning
1.6.26 Reaction force
1.6.27 Refresher training
1.6.28 Retro gun
1.6.29 Safety observer
1.6.30 Shall
1.6.31 Shotgunning
1.6.32 Should
1.6.33 Shroud
1.6.34 Starter bar
1.6.35 System control
1.6.36 Water jet
SECTION 2 GENERAL REQUIREMENTS
2.1 GENERAL
2.2 LIMITATION AND USE
2.3 SAFEGUARDS
SECTION 3 INSPECTION AND MAINTENANCE
3.1 GENERAL
3.2 MAINTENANCE AND INSPECTION
3.2.1 Pump unit
3.2.2 Filters and strainers
3.2.3 Hose assemblies
3.2.4 Re-end hose assemblies
3.2.5 Jetting nozzles
3.2.6 Jetting guns
3.2.7 Foot control devices
3.2.8 Electrical and pneumatic equipment
3.2.9 Engine controls
3.2.10 Operational leaks
3.3 SERVICING
3.4 REPAIRS
3.5 TOOLS
3.6 COMPATIBILITY
3.7 ELECTRICAL EQUIPMENT
3.8 MAINTENANCE RECORD
3.9 FROST PROTECTION
SECTION 4 PERSONAL PROTECTIVE EQUIPMENT
4.1 GENERAL
4.2 HEAD PROTECTION
4.3 EYE AND FACE PROTECTION
4.4 BODY PROTECTION
4.5 HAND PROTECTION
4.6 FOOT AND LOWER LEG PROTECTION
4.7 HEARING PROTECTION
4.8 RESPIRATORY PROTECTION
SECTION 5 PRE-OPERATIONAL PROCEDURES
5.1 PLANNING
5.2 CHECKLIST
5.3 SYSTEM CONTROL
5.4 WORK AREAS
5.4.1 Area limits
5.4.2 Warning barriers
5.4.3 Warning signs
5.5 SET-UP
5.5.1 Hose assemblies
5.5.2 Fittings
5.5.3 Nozzles
5.5.4 Pre-flushing
5.5.5 Electrical equipment
SECTION 6 OPERATIONAL PROCEDURES
6.1 GENERAL
6.2 WORK AREAS
6.2.1 Limitations when working at heights
6.2.2 Confined space working
6.2.3 Access to barricaded areas
6.2.4 Approaching the nozzle operator
6.3 PERSONAL PROTECTIVE EQUIPMENT (PPE)
6.4 OPERATIONS
6.4.1 Commencement
6.4.2 Adjustments
6.4.3 Equipment malfunction
6.4.4 Reaction force
6.4.5 Effect of line pulses
6.4.6 Hose assemblies
6.4.7 Hose protection
6.4.8 Operational positioning
6.4.9 Cessation of work
6.4.10 Operator access
6.4.11 Solid screen barrier(s)
6.4.12 Hazardous materials
6.4.13 Additives
6.5 PRESSURIZING SYSTEMS
6.6 OPERATING PERSONNEL
6.6.1 Single-person operation
6.6.2 Multiple-person operations
6.6.3 Fit for work
6.7 HAND-HELD JETTING GUN OPERATIONS
6.8 LANCING, PIPE AND DRAIN CLEANING
6.8.1 General
6.8.2 Control
6.8.3 Retro jets
6.8.4 Clearance
6.8.5 Pressurization
6.8.6 Nozzle hose end identification
6.8.7 Nozzle assembly
6.8.8 Open opposite pipe end
6.8.9 Anti-withdrawal devices
6.8.10 Shotgunning
SECTION 7 OPERATIONAL TRAINING
7.1 QUALIFIED OPERATORS
7.2 TRAINING CLASS A
7.3 TRAINING CLASS B
7.3.1 For New Zealand
7.3.2 Training organizations
7.3.3 Training
7.4 REFRESHER TRAINING
SECTION 8 PERMANENT CLEANING AREAS
8.1 GENERAL
8.2 ENCLOSURE
8.3 ACCESS
8.4 HAZARDS
8.5 ELECTRICAL HAZARDS
8.6 WASTE COLLECTION
8.7 DISPOSAL OF HAZARDOUS MATERIAL WASTE
SECTION 9 INCIDENT AND ACCIDENT REPORTING FOR COMMERCIAL AND INDUSTRIAL APPLICATIONS
9.1 REPORTING
9.2 PERSONAL INJURIES
9.3 MEDICAL REQUIREMENT
9.4 IMMEDIATE FIRST AID
9.5 MEDICAL ALERT CARD
APPENDIX A - PRESSURE FLOW DIAGRAM
A1 GENERAL
A2 DETERMINING THE CLASS OF HIGH PRESSURE WATER JETTER UNIT
APPENDIX B - INSPECTION, CARE AND MAINTENANCE OF HOSE ASSEMBLIES
B1 SCOPE
B2 GENERAL
B3 SERVICE LIFE
B4 CARE
APPENDIX C - PRE-SERVICE AND OPERATIONAL CHECKLIST FOR HIGH PRESSURE WATER JETTING
APPENDIX D - HAND SIGNALS
APPENDIX E - INSPECTION AND TESTING OF HIGH PRESSURE WATER JETTING SYSTEM HOSE ASSEMBLIES
E1 GENERAL
E2 PRINCIPLE
E3 PREPARATION
E3.1 Identification
E3.2 Inspection
E4 REPAIR
E5 PROCEDURE
E6 REPORT
BIBLIOGRAPHY
Previous versions
AS/NZS 4233.1:2013
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.