Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Referenced documents
1.3 Definitions
2 Abrasives
2.1 Materials and types
2.2 Requirements
2.3 Selection considerations
2.3.1 Abrasives and equipment
2.3.2 Preliminary tests
2.3.3 Abrasive selection
3 Abrasive blast cleaning methods
3.1 Dry abrasive cleaning
3.1.1 Compressed air abrasive blast cleaning
3.1.2 Vacuum or suction head abrasive blast cleaning
3.1.3 Centrifugal abrasive blast cleaning
3.2 Wet abrasive blast cleaning
3.2.1 General
3.2.2 Compressed air wet abrasive blast cleaning
3.2.3 Slurry blast cleaning
3.2.4 Water jetting with abrasive injection
3.3 Flash rusting
4 Initial rust grades and classes of blast cleaning
4.1 Initial surface assessment
4.2 Classes of blast cleaning
4.3 Other assessment requirements
5 Procedure
5.1 General
5.2 Preparation before blast cleaning
5.3 Selection of blast cleaning parameters
5.4 After blast cleaning
5.5 Assessment of the blast cleaned surface
Appendix A
A1 General
A2 Information to be supplied by the purchaser
Appendix B
B1 General
B2 Classes of visual cleanliness after blast cleaning
B2.1 General
B2.2 Light blast cleaning (Sa 1)
B2.3 Thorough blast cleaning (Sa 2)
B2.4 Very thorough blast cleaning (Sa 2½)
B2.5 Blast cleaning to visually clean steel (Sa 3)
B3 Factors influencing blast appearance
Appendix C
C1 Health hazards
C2 Control measures
C2.1 Isolation
C2.2 Self-actuating cut-off devices
C2.3 Whip checks
C3 Protective clothing
C4 Face and eye protection
C5 Ear protection
C5.1 General
C5.2 Typical noise sources
C5.3 Above the proscribed level and control measures
C6 Respiratory protection
C7 Safe working guidelines
C7.1 Scaffolding and harnesses
C7.2 Personal fall protective equipment
C7.3 Static discharge
C7.4 Unauthorized personnel
C8 Work environment
C8.1 General
C8.2 Ventilation
C8.3 Lighting
Appendix D
D1 General
D2 Procedure
D3 Surface preparation
