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Case 1: Height of the radar stand is below 0.9m.
Scaffold is not necessary because it can maintain directory to ATU from working plane.
Case 2: Height of the radar stand is between 0.9 to 2m.
Scaffold would be necessary when maintain is not possible to do direct ATU from the work plane.
The scaffold should be able to store for safety in case this height may hit to the people.
Be aware not to make the scaffold too wide because it will be heavy and difficult to store.
Secure the safety belt using the frame of the radar stand.
Fix safety belt
Expand scaffold
ATU
Radar stand
Scaffold
Ladder
Figure 4.4: Scaffold expand/fold image
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Figure 4.3: Installation without scaffold
Fold scaffold
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