AS 4812:2023 specifies the requirements for non-destructive examination and discard of wire ropes of mine winding systems, including drum winding, friction hoisting, balance, rubbing and guide ropes.
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
2 Non-destructive examination
2.1 Examination
2.1.1 Functions to be addressed
2.1.2 Competency assessments
2.2 Non-destructive testing instruments
2.2.1 Type
2.2.2 Loss of metallic area
2.2.3 Specification
2.2.4 Limitations
2.3 Calibration
2.4 Rope examinations
2.4.1 General
2.4.2 Reference values of new rope
2.4.3 Frequency
2.4.4 Preparation for an examination
2.4.5 Procedure for non-destructive testing
2.4.6 Procedure for visual inspection
2.4.7 Results of examination
2.4.7.1 General
2.4.7.2 Test report
3 Rope discard criteria
3.1 General
3.2 Winding, balance and guide ropes
3.3 Guide ropes and rubbing ropes — additional requirements and recommendations
