Warehouse (tilt-up walls or heavy timber)Transmission line towerFree-standing towerFree standing pole (light, flag, luminary)Tree-hardwoodTree-softwood
Apt, condo, townhouse (3 stories or less)Automotive service buildingAutomobile showroomEnhanced Fujita Scale (EF-Scale)School-1-story elementary (interior or exterior halls)One-or two-family residences
High-rise (over 20 stories)Institutional bldg. (hospital, govt. or university)School-jr. or sr. high schoolLarge, isolated ("big box") retail bldg.Low-rise (1-4 story) bldg.Large shopping mall
MotelMasonry apt. or motelMetal building systemDouble-wide mobile homeSingle-wide mobile home (MHSW)Mid-rise (5-20 story) bldg.
Small barns, farm outbuildingsStrip mallSmall professional (doctor office, branch bank)Small retail bldg. (fast food)Service station canopy 

LIRB