L
OOP
D
ETECTOR
H
ANDBOOK
667/HE/20663/000
Issue 13
Page 30
Figure 14 - Slot Details
Road surface
Hot pour compound
8.5mm min
50mm covering
(25mm in concrete)
Epoxy material or sand
Loop cables
Figure 15 - Maintaining 50 mm Covering at Crossovers
Floor of both slots dipped at
crossover
Loop cables in crossing slot
Note: Not to be carried out at diamond crossovers