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AS
AS/NZS 4233.1:1999

AS/NZS 4233.1:1999

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

High pressure water (hydro) jetting systems - Guidelines for safe operation and maintenance

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

28-07-2024

Superseded by

AS 4233.1:2013
AS 4233.1:2013

Language(s)

English

Published date

01-01-1999

Publisher

Standards Australia

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
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1 - AS/NZS 4233.1:1999 HIGH PRESSURE WATER (HYDRO) JETTING SYSTEMS - GUIDELINES FOR SAFE OPERATION AND MAINTENANCE
4 - PREFACE
5 - CONTENTS
7 - SECTION 1 SCOPE AND GENERAL
7 - 1.1 SCOPE
7 - 1.2 OBJECTIVE
7 - 1.3 APPLICATION
7 - 1.4 GENERAL PRINCIPLES
8 - 1.5 REFERENCED DOCUMENTS
8 - 1.6 RELATED DOCUMENTS
9 - 1.7 DEFINITIONS
9 - 1.7.1 Automatic unloader valve
9 - 1.7.2 Bar litres per minute
9 - 1.7.3 Bursting disc
9 - 1.7.4 Capable person (New Zealand)
9 - 1.7.5 Changeover valve
9 - 1.7.6 Class A systems
9 - 1.7.7 Class B systems
9 - 1.7.8 Competent person (Australia)
9 - 1.7.9 Dry shut-off valve
9 - 1.7.10 Dump system
9 - 1.7.11 Electrical control system
9 - 1.7.12 Fan jet
9 - 1.7.13 Flexible lance
9 - 1.7.14 Foot control valve
10 - 1.7.15 High pressure water cleaning
10 - 1.7.16 High pressure water cutting
10 - 1.7.17 High pressure water jetting system
10 - 1.7.18 Hose assembly
10 - 1.7.19 Jetting gun
10 - 1.7.20 Lancing
10 - 1.7.21 Moleing
10 - 1.7.22 Nozzle
10 - 1.7.23 Occupier
10 - 1.7.24 Operator
10 - 1.7.25 Operator trainee
10 - 1.7.26 Reaction force
10 - 1.7.27 Regulator valve
10 - 1.7.28 Refresher training
10 - 1.7.29 Relief valve
10 - 1.7.30 Retro gun
11 - 1.7.31 Rigid lance
11 - 1.7.32 Safety observer
11 - 1.7.33 Safety valve
11 - 1.7.34 Shotgunning
11 - 1.7.35 Should
11 - 1.7.36 Water jet
12 - SECTION 2 GENERAL RECOMMENDATIONS
12 - 2.1 GENERAL
12 - 2.2 LIMITATION AND USE
12 - 2.3 SAFEGUARDS
14 - SECTION 3 INSPECTION, CARE AND MAINTENANCE
14 - 3.1 GENERAL
14 - 3.2 MAINTENANCE
14 - 3.2.1 Pump unit
14 - 3.2.2 Filters and strainers
14 - 3.2.3 Hose assemblies
15 - 3.2.4 Re-end hose assemblies
15 - 3.2.5 Jetting nozzles
15 - 3.2.6 Jetting guns and lances
15 - 3.2.7 Foot control valves
15 - 3.2.8 Electrical equipment
15 - 3.2.9 Trailer and skid-mounted units
15 - 3.2.10 Engine controls
15 - 3.2.11 Operational leaks
15 - 3.3 SERVICING
16 - 3.4 REPAIRS
16 - 3.5 TOOLS
16 - 3.6 COMPATIBILITY
16 - 3.7 MAINTENANCE RECORD
17 - SECTION 4 PERSONAL PROTECTIVE EQUIPMENT
17 - 4.1 GENERAL
17 - 4.2 HEAD PROTECTION
17 - 4.3 EYE PROTECTION
17 - 4.4 BODY PROTECTION
17 - 4.5 HAND PROTECTION
17 - 4.6 FOOT PROTECTION
17 - 4.7 HEARING PROTECTION
18 - 4.8 RESPIRATORY PROTECTION
19 - SECTION 5 PRE-OPERATIONAL PROCEDURES
19 - 5.1 PLANNING
19 - 5.2 CHECKLIST
19 - 5.3 SYSTEM CONTROL
19 - 5.4 WORK AREAS
19 - 5.4.1 Area limits
19 - 5.4.2 Warning barriers
19 - 5.4.3 Warning notices
19 - 5.5 HOOK-UP
19 - 5.5.1 Hoses
20 - 5.5.2 Fittings
20 - 5.5.3 Nozzles
20 - 5.5.4 Preflushing
20 - 5.5.5 Electrical equipment
21 - SECTION 6 OPERATIONAL PROCEDURES
21 - 6.1 GENERAL
21 - 6.2 WORK AREAS
21 - 6.2.1 Limitations
21 - 6.2.2 Access
21 - 6.2.3 Approaching the jet operator
21 - 6.3 PERSONAL PROTECTIVE EQUIPMENT (PPE)
21 - 6.4 OPERATIONS
21 - 6.4.1 Commencement
21 - 6.4.2 Confined space working
21 - 6.4.3 Adjustments
21 - 6.4.4 Equipment malfunction
22 - 6.4.5 Reaction force
22 - 6.4.6 Effect of line pulses
22 - 6.4.7 Hose assemblies
22 - 6.4.8 Hose protection
22 - 6.4.9 Improper use
22 - 6.4.10 Operator positioning
22 - 6.4.11 Work stoppage
22 - 6.4.12 Work surface
22 - 6.4.13 Side protection
22 - 6.4.14 Corrosive materials
22 - 6.4.15 Additives
22 - 6.5 PRESSURIZING SYSTEMS
23 - 6.6 OPERATING PERSONNEL
23 - 6.6.1 Single-person operation
23 - 6.6.2 Multiple-person operations
23 - 6.6.3 Job rotation
23 - 6.6.4 Team leader
23 - 6.6.5 Communications
23 - 6.6.6 Fitness
24 - 6.7 HAND GUN OPERATIONS
24 - 6.8 LANCING AND PIPE CLEANING
24 - 6.8.1 Control
24 - 6.8.2 Retrojets
24 - 6.8.3 Clearance
25 - 6.8.4 Pressurization
25 - 6.8.5 End identification
25 - 6.8.6 Nozzle
26 - SECTION 7 OPERATIONAL AND TRAINING RECOMMENDATION FOR COMMERCIAL AND INDUSTRIAL APPLICATIONS
26 - 7.1 QUALIFIED OPERATORS
26 - 7.2 TRAINING
27 - 7.3 REFRESHER TRAINING
28 - SECTION 8 PERMANENT CLEANING AREAS
28 - 8.1 GENERAL
28 - 8.2 ENCLOSURE
28 - 8.3 ACCESS
28 - 8.4 HAZARDS
28 - 8.5 ELECTRICAL HAZARDS
28 - 8.6 WASTE COLLECTION
29 - SECTION 9 INCIDENT AND ACCIDENT REPORTING FOR COMMERCIAL AND INDUSTRIAL APPLICATIONS
29 - 9.1 REPORTING
29 - 9.2 PERSONAL INJURIES
29 - 9.3 MEDICAL RECOMMENDATION
29 - 9.4 IMMEDIATE FIRST AID
29 - 9.5 MEDICAL ALERT CARD
30 - APPENDIX A - PRESSURE FLOW DIAGRAM
31 - APPENDIX B - INSPECTION, CARE AND MAINTENANCE OF HOSE ASSEMBLIES
32 - APPENDIX C - TYPICAL EXAMPLE OF A PRE-SERVICE AND OPERATIONAL CHECKLIST FOR PRESSURIZED WATER JET CLEANING
33 - APPENDIX D - HAND SIGNALS

Provides guidance on the various issues which need to be addressed when high pressure water jetting operations are performed. The Standard also provides recommendations for the elimination or reduction of hazards and risk associated with high pressure water jetting operations.

Committee
SF-043
DocumentType
Standard
ISBN
0 7337 2241 5
Pages
27
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

This Standard provides guidance for the operation and maintenance of water jetting equipment. It describes methods for eliminating or reducing hazards and risks associated with water jetting.

First published as AS/NZS 4233(Int):1994.
Revised and designated AS/NZS 4233:1999.

AS 1319-1994 Safety signs for the occupational environment (Reconfirmed 2018)
AS 2865-1995 Safe working in a confined space
AS/NZS 2161.2:1998 Occupational protective gloves General requirements
AS 1742.3-1996 Manual of uniform traffic control devices - Traffic control devices for works on roads
AS/NZS 2161.5:1998 Occupational protective gloves Protection against cold
AS/NZS 2210.1:1994 Occupational protective footwear - Guide to selection, care and use
AS/NZS 1891.3:1997 Industrial fall-arrest systems and devices - Fall-arrest devices
AS/NZS 1801:1997 Occupational protective helmets
AS 3765.2-1990 Clothing for protection against hazardous chemicals Limited protection against specific chemicals
AS/NZS 2161.3:1998 Occupational protective gloves Protection against mechanical risks
AS/NZS 2210.2:1994 Occupational protective footwear Specification
AS/NZS 1891.1:1995 Industrial fall-arrest systems and devices Safety belts and harnesses
AS 1885.1-1990 Measurement of occupational health and safety performance Describing and reporting occupational injuries and disease, known as the Workplace injury and disease recording standard
AS 1939-1990 Degrees of protection provided by enclosures for electrical equipment (IP Code)
AS/NZS 1715:1994 Selection, use and maintenance of respiratory protective devices
AS 1270-1988 Acoustics - Hearing protectors
AS 3765.1-1990 Clothing for protection against hazardous chemicals Protection against general or specific chemicals
AS/NZS 1337:1992 Eye protectors for industrial applications

HB 213:2003 Guidelines for safe working in a confined space
AS/NZS 4233.2:1999 High pressure water (hydro) jetting systems Construction and performance
AS 4233.2:2013 High pressure water jetting systems Construction and performance

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