BS ISO 4309:2017 – TC:2020 Edition
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Tracked Changes. Cranes. Wire ropes. Care and maintenance, inspection and discard
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 157 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 91 | undefined |
| 96 | Foreword |
| 97 | Introduction |
| 98 | 1 Scope |
| 99 | 2 Normative references 3 Terms and definitions |
| 101 | 4 Care and maintenance 4.1 General 4.2 Rope replacement |
| 103 | 4.3 Offloading and storing the rope 4.4 Condition of the rope prior to installation |
| 104 | 4.5 Installing the rope |
| 107 | 4.6 Running-in the new rope |
| 108 | 4.7 Maintaining the rope 4.8 Maintenance of rope-related parts of the crane |
| 109 | 5 Inspection 5.1 General 5.2 Daily visual inspections 5.3 Periodic inspections 5.3.1 General |
| 110 | 5.3.2 Frequency 5.3.3 Extent of inspection |
| 111 | 5.3.4 Inspection at, or in the vicinity of, a termination 5.3.5 Inspection record |
| 112 | 5.4 Inspection following an incident 5.5 Inspection following period with crane out of operation 5.6 Inspection by magnetic rope test method 6 Discard criteria 6.1 General |
| 113 | 6.2 Visible broken wires 6.2.1 Criteria for visible broken wires 6.2.2 Use of Tables 3 and 4 and rope category number 6.2.3 Wire breaks other than those resulting from service |
| 114 | 6.2.4 Single-layer and parallel-closed ropes |
| 116 | 6.2.5 Rotation-resistant ropes 6.3 Magnetic rope test (MRT) |
| 117 | 6.4 Decrease in rope diameter 6.4.1 Uniform decrease along the rope |
| 118 | 6.4.2 Calculation to determine actual uniform decrease in diameter and expression as percentage of nominal rope diameter 6.4.3 Local decrease 6.5 Fracture of strands 6.6 Corrosion |
| 119 | 6.7 Deformation and damage 6.7.1 General 6.7.2 Waviness |
| 120 | 6.7.3 Basket deformation 6.7.4 Core or strand protrusion or distortion 6.7.5 Protruding wires in loops 6.7.6 Local increase in rope diameter 6.7.7 Flattened portion |
| 121 | 6.7.8 Kink or tightened loop 6.7.9 Bend in rope 6.7.10 Damage due to heat or electric arcing |
| 122 | Annex A (normative) Key areas requiring particularly close inspection |
| 124 | Annex B (informative) Typical modes of deterioration |
| 134 | Annex C (informative) Discard criteria for MRT |
| 136 | Annex D (informative) Internal examination of rope by use of clamps |
| 139 | Annex E (informative) Typical examples of inspection records |
| 142 | Annex F (informative) Useful information on rope deterioration and discard criteria |
| 145 | Annex G (informative) Combined effect assessment of rope condition and severity rating — One method |
| 148 | Annex H (informative) Examples of cross-sections of ropes and corresponding rope category number (RCN) |
| 154 | Annex I (informative) External corrosion |
| 156 | Bibliography |
