1 - AS 1747-1993 REELING, TRAILING AND FEEDER CABLES USED FOR MINING - REPAIR AND TESTING
4 - PREFACE
5 - CONTENTS
7 - FOREWORD
8 - SECTION 1 SCOPE AND GENERAL
8 - 1.1 SCOPE
8 - 1.2 REFERENCED DOCUMENTS
9 - 1.3 DEFINITIONS
9 - 1.3.1 Bunch
9 - 1.3.2 Cable coupling device
9 - 1.3.3 Cable repair facility
9 - 1.3.4 Cable repairer
9 - 1.3.5 Centre filler
9 - 1.3.6 Collectively screened cable
9 - 1.3.7 Composite screen
9 - 1.3.8 Conductor screen
9 - 1.3.9 Covered conductor
9 - 1.3.10 Cradle separator
9 - 1.3.11 Direction of lay
10 - 1.3.12 Earth conductor
10 - 1.3.13 Feeder cable
10 - 1.3.14 Ferrule
10 - 1.3.15 History record
10 - 1.3.16 Individually screened cable
10 - 1.3.17 Insulation screen
10 - 1.3.18 Length of lay
10 - 1.3.19 Multiple (or rope) strand
10 - 1.3.20 Partial break detection device
10 - 1.3.21 Pilot core
10 - 1.3.22 Power core
10 - 1.3.23 Reeling and trailing cable
10 - 1.3.24 Restrained plug
10 - 1.3.25 Restrained receptacle
10 - 1.3.26 Semiconductive elastomer
10 - 1.3.27 Sheath
10 - 1.3.28 Spark test
10 - 1.3.29 Vulcanizer
11 - SECTION 2 EVALUATION BEFORE REPAIR AND HISTORY RECORD
11 - 2.1 REQUIREMENTS
11 - 2.2 HISTORY RECORD
11 - 2.3 DETAILS OF CABLE TO BE RECORDED
11 - 2.4 VISUAL EXAMINATION
11 - 2.5 PRE-REPAIR TESTS
11 - 2.6 PRACTICABILITY OF REPAIR
12 - SECTION 3 REPAIR PROCEDURES FOR CABLES
12 - 3.1 COMPATIBILITY OF CABLES TO BE JOINED
12 - 3.2 USE OF CLEANING SOLVENTS
12 - 3.3 JOINING BY FERRULES
12 - 3.3.1 Ferrules
12 - 3.3.2 Solder and flux
12 - 3.3.3 Technique
12 - 3.4 JOINING BY WELDING OR SOLDERING
12 - 3.5 JOINING PILOT CONDUCTOR (all types of cable)
12 - 3.5.1 Central (extensible) pilot conductor
12 - 3.5.2 Interstitial pilot conductors
12 - 3.6 JOINING POWER CONDUCTORS OF ALL REELING AND TRAILING CABLES
12 - 3.6.1 Power conductors having less than 19 bunches
13 - 3.6.2 Power conductors having 19 or more bunches
17 - 3.7 JOINING POWER CONDUCTORS OF FEEDER CABLES
17 - 3.8 JOINING EARTH CONDUCTORS (EXCLUDING EARTH SCREENS)
17 - 3.9 REPLACEMENT OF INSULATION OR COVERING OVER CONDUCTORS
22 - 3.10 JOINING INDIVIDUAL METALLIC OR COMPOSITE EARTH SCREENS
22 - 3.10.1 General
22 - 3.10.2 Repair of screen by ferrules
24 - 3.10.3 Repair of screen without ferrules
24 - 3.11 REPLACEMENT OF SEMICONDUCTIVE ELASTOMERS
24 - 3.12 LAY-UP OF CORE ASSEMBLY
24 - 3.13 REPAIR OF INNER SHEATH
24 - 3.14 JOINING PLIABLE ARMOUR
26 - 3.15 REPLACEMENT OF SHEATH (inner or outer sheath)
29 - 3.16 VULCANIZING
31 - SECTION 4 REPAIR OF PLUGS
31 - 4.1 EXAMINATION
31 - 4.2 PLUG REPLACEMENT
31 - 4.2.1 General
31 - 4.2.2 Power cores
31 - 4.2.3 Earth screens and conductors
32 - 4.2.4 Pilot cores
32 - 4.2.5 Sheath protrusion and clamping
32 - 4.3 COMPOUNDS
32 - 4.4 FLAMEPROOFING
33 - SECTION 5 TESTING
33 - 5.1 GENERAL
33 - 5.2 TEST EQUIPMENT
33 - 5.3 HIGH VOLTAGE FAULT LOCATION TEST
33 - 5.3.1 General
33 - 5.3.2 Equipment
33 - 5.3.3 Application of voltage
33 - 5.3.4 Authorization to exceed appropriate voltage pulse and number of pulses given in Table 5.1
33 - 5.4 HIGH VOLTAGE PROOF TEST
34 - 5.5 CONTINUITY AND PHASE ROTATION TESTS
34 - 5.6 PARTIAL BREAK TEST
34 - 5.7 SYMMETRICAL LOAD TEST
35 - 5.8 TESTS FOR INTEGRITY OF OUTER SHEATH
35 - 5.8.1 General
35 - 5.8.2 Spark test
35 - 5.9 INSULATION RESISTANCE TEST
36 - 5.10 SHEATH HARDNESS
37 - SECTION 6 IDENTIFICATION OF REPAIRS
37 - 6.1 METHOD OF MARKING
37 - 6.2 INFORMATION TO BE MARKED
38 - APPENDIX A - TYPICAL CABLE HISTORY RECORD
39 - APPENDIX B - REQUIREMENTS FOR FERRULES
39 - B1 CONSTRUCTION
39 - B2 LENGTH
39 - B3 INTERNAL CROSS-SECTIONAL DIMENSION
39 - B4 WALL THICKNESS
40 - APPENDIX C - REQUIREMENTS FOR SOLDER AND FLUX
40 - C1 SOLDER
40 - C2 FLUX
41 - APPENDIX D - REPAIR MATERIALS AND TAPES
41 - D1 INSULATION OR COVERING
41 - D1.1 Type
41 - D1.2 Tape over insulation
41 - D2 SEMICONDUCTIVE ELASTOMER CORE SCREENS AND SHEATH COMPONENT
41 - D3 BINDER TAPES USED FOR SHEATH REPAIR
41 - D4 SHEATH MATERIAL
42 - D5 VULCANIZING CONDITIONS FOR INSULATION AND SHEATHS
43 - D6 STORAGE OF REPAIR TAPES
43 - D7 INCOMPATIBLE MATERIALS
44 - APPENDIX E - REQUIREMENTS FOR TEST EQUIPMENT
44 - E1 HIGH VOLTAGE PROOF TEST UNIT
44 - E2 OHMIC RESISTANCE AND CONTINUITY TEST UNIT
44 - E3 PARTIAL BREAK TEST UNIT
44 - E4 SPARK TEST UNIT FOR TESTING THE INTEGRITY OF SHEATH
44 - E5 INSULATION TESTING UNIT
44 - E6 SHEATH HARDNESS TEST UNIT
44 - E7 SYMMETRICAL LOAD TEST
46 - APPENDIX F - ROUTINE TESTS ON TEST EQUIPMENT
46 - F1 ORGANIZATION TO UNDERTAKE TESTS
46 - F2 HIGH VOLTAGE PROOF TEST UNIT
46 - F3 HIGH VOLTAGE FAULT LOCATION TEST UNIT
46 - F4 CONTINUITY TEST UNIT
46 - F5 PARTIAL BREAK TEST UNIT
46 - F6 SPARK TEST UNIT FOR TESTING INTEGRITY OF SHEATH
46 - F7 INSULATION TEST UNIT
46 - F8 SHEATH HARDNESS TEST UNIT
46 - F9 SYMMETRICAL LOAD TEST UNIT
47 - APPENDIX G - COMBINED RESISTANCE OF EARTH CONDUCTORS FOR TYPES 275, 280A AND 280B CABLES
47 - G1 SCOPE