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AS 4233.1:2013
[Current]High pressure water jetting systems, Part 1: Safe operation and maintenance
This Standard 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. This Standard 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).
Published: 12/12/2013
Pages: 38
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Objective
1.3 Application
1.4 General requirements
1.5 Normative references
1.6 Definitions
2 General requirements
2.1 General
2.2 Limitation and use
2.3 Safeguards
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
3.2.3.1 Hose inspection
3.2.3.2 Effective service life
3.2.3.3 Use
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
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
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
5.5.1.1 Layout hoses
5.5.1.2 Restraint
5.5.1.3 Support
5.5.1.4 Protection
5.5.2 Fittings
5.5.3 Nozzles
5.5.4 Pre-flushing
5.5.5 Electrical equipment
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
6.6.1.1 General
6.6.1.2 Class A systems
6.6.1.3 Class B systems
6.6.1.4 Mechanically positioned devices or attachments
6.6.2 Multiple-person operations
6.6.2.1 General Class B operations
6.6.2.2 Nozzle operator
6.6.2.3 Safety observer
6.6.2.4 Additional operators
6.6.2.5 Team leader
6.6.2.6 Job rotation
6.6.2.7 Communications
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
7 Operational training
7.1 Qualified operators
7.2 Training Class A
7.3 Training Class B
7.3.1 [Text deleted]
7.3.2 Training organizations
7.3.3 Training
7.4 Refresher training
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
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
A1 General
A2 Determining the class of high pressure water jetter unit
Appendix B
B1 Scope
B2 General
B3 Service life
B4 Care
Appendix C
Appendix D
Appendix E
E1 General
E2 Principle
E3 Preparation
E3.1 Identification
E3.2 Inspection
E3.2.1 Hose
E3.2.2 End fittings, couplings and connectors
E4 Repair
E5 Procedure
E6 Report
Amendment control sheet
Bibliography
Cited references in this standard
[Current]
Manual of uniform traffic control devices, Part 3: Traffic control for works on roads
[Withdrawn]
Measurement of occupational health and safety performance, Part 1: Describing and reporting occupational injuries and disease — Workplace injury and disease recording form (Supplement to AS 1885.1-1990)
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