Enhanced Fujita scale damage indicators and degrees of damage, chapter 24
Free-Standing Towers (FST)
Typical Construction:
- Cell phone pole or tower
- Microwave tower
| DOD | Damage Description | EXP* | LB* | UB* |
|---|---|---|---|---|
| 1 | Threshold of visible damage | 150 | 120 | 180 |
| 2 | Collapsed cell-phone pole or tower | 215 | 180 | 255 |
| 3 | Collapsed micro-wave tower | 220 | 185 | 255 |
*All wind speeds in km/h