Enhanced Fujita scale damage indicators and degrees of damage, chapter 3
Manufactured Homes: Singe Wide (MHSW)
Typical Construction:
- Steel undercarriage supported on concrete block piers
- Metal straps and ground anchors (frame and/or over-the-top strap anchors)
- Asphalt shingles or one-piece metal roof covering
- Wood roof joists; metal, vinyl or wood siding
- Wood stud walls and partitions
| DOD | Damage Description | EXP | LB | UB |
|---|---|---|---|---|
| 1 | Threshold of visible damage | 100 | 80 | 120 |
| 2 | Loss of shingles or partial uplift of one-piece metal roof covering | 120 | 100 | 150 |
| 3 | Unit slides off block piers but remains upright | 140 | 115 | 165 |
| 4 | Complete uplift of roof; most walls remain standing | 145 | 115 | 180 |
| 5 | Unit rolls on its side or upside down; remains essentially intact | 160 | 135 | 185 |
| 6 | Destruction of roof and walls leaving floor and undercarriage in place | 170 | 140 | 200 |
| 7 | Unit rolls or vaults; roof and walls separate from floor and undercarriage | 175 | 155 | 205 |
| 8 | Undercarriage separates from unit; rolls, tumbles and is badly bent | 190 | 165 | 220 |
| 9 | Complete destruction of unit; debris blown away | 205 | 175 | 240 |
*All wind speeds in km/h