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L
OOP
D
ETECTOR
H
ANDBOOK
667/HE/20663/000
Issue 13
Page 4
3.
CABLING ............................................................................................................... 41
3.1
Cabling and Preparation of Cables for Termination ........................................ 41
3.2
Cabling Jointing .............................................................................................. 41
3.2.1
Feeder Cable to Feeder Cable using the BICC MPJ Series Joint ............ 41
3.2.2
Feeder Cable to Loop Tails using the BICC MPJ Series Joint ................. 42
3.2.3
Preparation, Mixing and Pouring of BICC Bi-Cast Acrylic Resin .............. 43
3.2.4
Feeder Cable to Detector Loop Tails using the Heatshrink Joint ............. 44
3.3
Use of Crimp Tools in Jointing ........................................................................ 44
APPENDIX A - PRECAUTIONS TO BE TAKEN WHEN PLANNING THE
INSTALLATION AND MAINTENANCE OF TRAFFIC CONTROL EQUIPMENT IN
THE VICINITY OF LIGHT RAPID TRANSPORT SYSTEMS ........................................ 47
APPENDIX B - SETTING UP MICROSENSE / PEEK / SARASOTA DETECTOR
UNITS ........................................................................................................................... 49
INDEX ........................................................................................................................... 50
FIGURES
Figure 1 - Marking out Diamond Loops ...................................................................................... 20
Figure 2 - Table of Dimensions for Diamond Loops .................................................................. 20
Figure 3 - Marking Out Chevron Loops ...................................................................................... 22
Figure 4 - Typical Loop Configurations with UD Dimensions
– Diamonds................................. 23
Figure 5 - Typical Loop Configurations with UD Dimensions
– Chevrons ................................. 24
Figure 6 - Typical SCOOT Loop Leading Dimensions ............................................................... 25
Figure 7 - Typical Count Loop Leading Dimensions .................................................................. 25
Figure 8 - Rectangular SDE/SA Loops ...................................................................................... 26
Figure 9 - Rectangular Turning Loops ....................................................................................... 26
Figure 10 - Chevron SDE/SA Loops .......................................................................................... 27
Figure 11 - MOVA Loops One Way Street or Dual Carriageway ............................................... 28
Figure 12 - MOVA Loops Two Way Carriageway ...................................................................... 28
Figure 13 - Special Purpose Loops ............................................................................................ 29
Figure 14 - Slot Details .............................................................................................................. 30
Figure 15 - Maintaining 50 mm Covering at Crossovers ............................................................ 30
Figure 16 - Cutting Away Sharp Corners ................................................................................... 31
Figure 17 - Slot Corners Protected by Corner Pieces ................................................................ 31
Figure 18 - Standard Loop Configurations (a) ........................................................................... 32
Figure 19 - Standard Loop Configurations (b) ........................................................................... 33
Figure 20 - Standard Loop Configurations (c) ............................................................................ 34
Figure 21 - Distance X, Y and Z Loops to Stop Line .................................................................. 34
Figure 22 - Distance SDE-SA Loops to Stop Line ..................................................................... 35
Figure 23 - Dimensions
– 1 Lane Counting Loop ...................................................................... 35
Figure 24 - Dimensions
– 2 Lane N Counting Loops ................................................................. 36
Figure 25 - Dimensions
– 3 Lane N Counting Loops ................................................................. 37
Figure 26 - Dimensions
– 2 Lane N+1 Counting Loops ............................................................. 38
Figure 27 - Dimensions
– 3 Lane N+1 Counting Loops ............................................................. 39
Figure 28 - Cabling Through the Kerb ....................................................................................... 39
Figure 29 - Cabling Under the Kerb ........................................................................................... 40
Figure 30 - Preparation of Armoured Cable End ....................................................................... 46
Figure 31 - Armoured Cable to Armoured Cable Joint ............................................................... 46