Barrier MHTM
TM
MicroDrive Access and Parking
Assembly and installation
59
2. Lay the loop carefully into the groove and push it down by
means of a blunt object, such as a piece of wood. The
insulation must by no means be damaged.
3. To avoid slipping of the loop, fix the loop using small wooden
wedges. Remove the wooden wedges later on.
4. Push the loop feed line through the empty conduit in place into
the barrier housing.
5. Measure the induction loop according to chapter 8.4.3.
6. We recommend to cover the inserted loop using quartz sand.
Make sure that at least 25 mm remain between the upper
edge of the carriageway and the quartz sand for the potting
compound.
7. Seal the groove with the potting compound.
The temperature resistance of the loop must match the
temperature of the potting compound.
8. Allow the potting compound to cure.
S0104a
3
1
2
4
5
6
300
150
25
50
30
Fig. 20: Installing induction loop in bitumen, asphalt, or concrete
(dimensions in mm)
1 Barrier
housing
2
Groove with potting compound
3 Asphalt
surface
4
Quartz sand filling
5 Loop
cable
6 Foundation
Содержание MHTM
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