Cementing - FAAC J275 2K HA Manual

4.4 CEMENTING

1. Place a 300 mm layer of gravel, grain diameter approximately Ø
20 mm, in the hole.
2. Compact it using a vibrating plate compactor.
Ground
3. Place the pit and cage assembly into the hole making sure that
it is vertical.
!
The upper surface of the subframe must protrude by approximately 10
mm with respect to the final road surface.
J275 2K HA
Excavation Gravel
8
9
4.  1 0 Install a flexible sheath, ID Ø 45 mm, from the cable gland
to the control board 1.
The maximum distance between the bollard and the board is 50 m.
5. Install the conduits required for connecting any accessories (e.g.
inductive loops).
6. Pour class C25/30 concrete in to the hole up to approximately
100mm lower than the finished road surface 2.
!
Wait until the concrete has set completely (minimum 7 days) before
proceeding with the installation. Use the cover if the area needs to
be left open for transit (see relative section).
1
Ground
Gravel
7. Lay the road surface so that it seals the subframe.
11
2
Excavation
Concrete
 1 0
 1 1
532208 - Rev.A