4-8
Follow these steps to install a pole on a parapet:
Step1
Weld the lightning rod onto the tip of the pole.
Step2
Install the pole on a parapet or cement pier.
Step3
Use a 40 × 4 mm (1.57 × 0.16 in) flat steel to connect the pole to the ground grid
Step4
Use pole-mounting brackets to install the directional outdoor antenna on the pole.
The pole should be vertical to the building top surface, as shown in Figure 4-10 and Figure 4-11.
Figure 4-10
Install a directional outdoor antenna on a parapet
Figure 4-11
Install a directional outdoor antenna on a building top surface or cement pier
Cement pier
Steel wire
Antenna support
(antenna pole)
Directional
outdoor antenna
Lightning rod
500mm
1500mm
Φ
75mm
Pole-mounting brackets
Flat steel
To the grounding grid
z
If there are parapets around the building top and the parapets are 1200 mm (47.24 in) high or
higher, install the antenna pole on a parapet with expansion bolts and fix the directional outdoor
antenna onto the pole with pole-mounting brackets (see the left diagram in Figure 4-10).
