structural damage categories ► light safe to enter and remain ► moderate hazardous to enter ...
TRANSCRIPT
Structural Damage Structural Damage CategoriesCategories►LIGHTLIGHT
Safe to enter and remainSafe to enter and remain
►MODERATEMODERATE Hazardous to enterHazardous to enter Enter only to save livesEnter only to save lives
►HEAVYHEAVY Unsafe for CERT trained members to enterUnsafe for CERT trained members to enter Contact professional rescuersContact professional rescuers
Light Light DamageDamage
►SuperficialSuperficial►CosmeticsCosmetics►Fallen plasterFallen plaster►Small cracksSmall cracks►Primary damage to Primary damage to
contents of structurecontents of structure
Moderate Moderate DamageDamage
► Structural stability Structural stability questionablequestionable
► Fractures greater Fractures greater than 1/4”than 1/4”
► Significant TiltingSignificant Tilting► Foundation Foundation
Movement or Movement or DisplacementDisplacement
Heavy DamageHeavy Damage
Partial or total wall Partial or total wall collapsecollapse
Ceiling failureCeiling failure Obvious structural Obvious structural
instabilityinstability X-crackingX-cracking
Partial or total wall Partial or total wall collapsecollapse
Ceiling failureCeiling failure Obvious structural Obvious structural
instabilityinstability X-crackingX-cracking
X - X - CRACKINGCRACKING►Questionable Questionable
StabilityStability
►Don’t enterDon’t enter
►Beware of the impact Beware of the impact zonezone
Size-up DiscussionSize-up Discussion
Single Family Home - Pre-Single Family Home - Pre-19331933 Foundation Foundation
MovementMovement Not bolted downNot bolted down Cripple wall failureCripple wall failure
UtilitiesUtilities Utility lines shear Utility lines shear
when home moves when home moves off foundationoff foundation
PorchesPorches Attached parts of Attached parts of
homes will detachhomes will detach Moderate damage Moderate damage
expectedexpected
SFH - HillsideSFH - Hillside
► Unique hazardsUnique hazards► Ground failureGround failure► Heavy damage Heavy damage
expectedexpected► Always treated Always treated
as as HEAVILY HEAVILY DAMAGEDDAMAGED during periods during periods of earthquakeof earthquake
Hillside - Cut & FillHillside - Cut & Fill
► Fractures Fractures homes at the homes at the original original grade pointgrade point
Shopping Shopping CentersCenters
WOOD FRAMED WOOD FRAMED APARTMENTSAPARTMENTS