Enhanced F Scale Damage Indicators

 

Original F Scale Enhanced F Scale

NUMBER
DAMAGE INDICATOR
ABBREVIATION
1
Small barns, farm outbuildings
SBO
2
One- or two-family residences
FR12
3
Single-wide mobile home (MHSW)
MSHW
4
Double-wide mobile home
MHDW
5
Apt, condo, townhouse (3 stories or less)
ACT
6
Motel
M
7
Masonry apt. or motel
MAM
8
Small retail bldg. (fast food)
SRB
9
Small professional (doctor office, branch bank)
SPB
10
Strip mall
SM
11
Large shopping mall
LSM
12
Large, isolated ("big box") retail bldg.
LIRB
13
Automobile showroom
ASR
14
Automotive service building
ASB
15
School - 1-story elementary (interior or exterior halls)
ES
16
School - jr. or sr. high school
JHSH
17
Low-rise (1-4 story) bldg.
LRB
18
Mid-rise (5-20 story) bldg
MRB
19
High-rise (over 20 stories)
HRB
20
Institutional bldg. (hospital, govt. or university
IB
21
Metal building system
MBS
22
Service station canopy
SSC
23
Warehouse (tilt-up walls or heavy timber)
WHB
24
Transmission line tower
TLT
25
Free-standing tower
FST
26
Free standing pole (light, flag, luminary)
FSP
27
Tree - hardwood
TH
28
Tree - softwood
TS