HSE: Industrial rope access - investigation into items of personal ...

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French prusik Main rope Brand type Ø (mm) Prusik cord (mm) 159 Pass/ fail Sliding force (kN) Edelrid Low 10.5 Fail 0.4-0.55 Beal Baobab stretch 13.5 Prusik Pass 3-3.4 starts to slip jerkily Hawser new Regate 10.5 Fail 2.5 jerky slippage 12 Slight Hawser used Pass slippage as it beds in Edelrid 10.5 Fail 1.3 Low stretch Beal Baobab 13.5 Accessory cord 6 Fail 3 Hawser new Hawser used 12 Pass Pass ~40 mm slippage ~30 mm slippage Blake knot Comments/ ease of release Slides steadily at low loads. Releases very easily Releases very easily Reaches 3.5 kN during jerk. Very easy to release Releases easily Slipped steadily at first, then jerkily Very easy to release Slipped steadily at 3 kN. Very easy to release Very easy to release Very easy to release Edelrid Beal Baobab Hawser new Low stretch 10.5 13.5 12 Prusik Regate 10.5 Pass Pass Pass Slight jerks at 3.6 Little slippage Little slippage Easy release Releases easily Releases easily Hawser used 12 Pass Little slippage Releases OK, requires a little unwrapping Edelrid Low 10.5 Pass Beal Baobab stretch 13.5 Accessory Pass Hawser new 12 cord 6 Pass Hawser used Pass Slight jerks between 3-4 Some slippage between 3-4 Sheath stretches, releases OK Release OK Some stretch. Release fairly easy Note: ‘Pass/Fail’ in the above table only applies in relation to the test and criteria employed, and may not be relevant to the safety and practicality of the item in question when it is used in any specific application
Printed and published by the Health and Safety Executive C30 1/98 Printed and published by the Health and Safety Executive C2.5 08/01
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HSE Health & Safety Executive Indus
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© Crown copyright 2001 Application
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8.6 PETZL “ABSORBICA”..........
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1.2 AIMS, OBJECTIVES AND SCOPE 1.2.
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1.4.3 Verification For the tests to
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2.1 INTRODUCTION 2 ROPES Ropes are
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The ropes are all fundamentally of
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3.1 INTRODUCTION 3 KNOTS Terminatio
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Unlike the double overhand and doub
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It is unique in that it can be easi
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On most of the tests with low-stret
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Strength kN 26 24 22 20 18 16 14 12
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3.4.2 Bird droppings Sections of ro
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4.1 INTRODUCTION 4 ANCHOR FORCES Th
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4.4 WORK POSITIONING A combination
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4.6 RIGGING The technician remained
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5.1 INTRODUCTION 5 ROPE PROTECTORS
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5.7 COMPRESSED AIR FLEXIBLE HOSE PI
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Another point to recognise is that
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The IRATA Guidelines state that the
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Devices certified to BS EN 567 10 (
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In practice this type of test is us
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• Minimum static strength (sectio
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6.2.5 Komet Stick Run Material: Ste
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6.2.7 Petzl Rescucender Material: A
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6.2.9 SSE Stop & Go Material: Alumi
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In the dynamic tests it did not per
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6.2.13 Summary of test performances
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6.3 TYPE B - ASCENDER DEVICES Figur
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6.3.1 Camp Pilot Material: Aluminiu
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6.3.3 Petzl Ascension Material: Alu
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6.3.5 Kong Cam Clean Material: Alum
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6.3.7 Summary At present, most of t
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6.4.2 Tests All devices underwent f
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The following table summarises the
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6.4.3 AML Material: Aluminium Weigh
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Performance in use: In use the devi
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Clockwise rotation of the handle tu
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Test performance: The static tests
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6.4.8 Troll Allp Material: Aluminiu
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Secondly, the bolt can first be adj
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Material Dynamic rope Low stretch r
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8.1 INTRODUCTION 8 LANYARDS (FALL A
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8.3 BH SALA Length 2 m Principle Te
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8.6 PETZL “ABSORBICA” Length 0.
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Description: The Spanset lanyard co
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9.3 BACHMANN KNOT Figure 55 Bachman
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9.5 FRENCH PRUSIK Figure 57 French
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9.7 PRUSIK KNOT Figure 59 Prusik kn
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11 FUTURE WORK This study has highl
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12 APPENDICES 101
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12.1 APPENDIX 1 PERSONNEL INVOLVED
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12.2 APPENDIX 2 QUESTIONNAIRE - SUM
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12.2.3 Hardware ratings Respondents
Page 114 and 115: 12.2.5 Rope Protectors Table 14 Que
Page 116 and 117: 12.3 APPENDIX 3 ROPE ABRASION Table
Page 118 and 119: 12.4 APPENDIX 4 TEST MACHINES, LOCA
Page 120 and 121: 12.4.4 Rope protectors cycling a lo
Page 122 and 123: Method for minimum static strength
Page 124 and 125: 12.4.7 Lanyards • Static tests Te
Page 126 and 127: 12.5 APPENDIX 5 ABRASION TESTS: REC
Page 128 and 129: I. Concrete edge, Lyon canvas prote
Page 130 and 131: N. Steel edge, PVC “rope bag” (
Page 132 and 133: T. Paving slab, roll module Start 1
Page 134 and 135: 12.6 APPENDIX 6 KNOTS - STRENGTH TE
Page 136 and 137: Knot Table 21 Marlow 10.5mm rope (l
Page 138 and 139: 12.7 APPENDIX 7 LANYARDS - STATIC T
Page 140 and 141: 12.8 APPENDIX 8 TYPE A BACK-UP DEVI
Page 142 and 143: 12.9 APPENDIX 9 TYPE A BACK-UP DEVI
Page 144 and 145: Device & rope type Rope brand SSE S
Page 146 and 147: 12.10 APPENDIX 10 TYPE A BACK-UP DE
Page 148 and 149: 12.11 APPENDIX 11 TYPE B DEVICES -
Page 154 and 155: 12.14 APPENDIX 14 TYPE C DEVICES- D
Page 156 and 157: 12.15 APPENDIX 15 TYPE C DEVICES -
Page 158 and 159: 12.16 APPENDIX 16 TYPE C DEVICES -
Page 160 and 161: 12.17 APPENDIX 17 LANYARD - DYNAMIC
Page 162 and 163: 12.18 APPENDIX 18 PRUSIK KNOTS Bach
Page 166: CRR 364 ISBN 0-7176-2091-3 £20.00
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