FEMA E-74 Appendix E. Architectural Components Seismic Risk Ratings

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Appendix E. Architectural Components Seismic Risk Ratings

Item No./
Subcategory
Example No.Component
Name(s)
Shaking
Intensity
Life
Safety
(LS)
Property
Loss
(PL)
Functional
Loss
(FL)
Type
of
Detail
6.3.1 Exterior Wall Components16.3.1.1Adhered VeneerLowMMLER
ModHHL
HighHHL
6.3.1.2Anchored VeneerLowMMLER
ModHHL
HighHHL
6.3.1.3Prefabricated PanelsLowMMLER
ModHHL
HighHHM
6.3.1.4GlazingLowLLLER
ModMML
HighHMM
6.3.1.5Glass BlocksLowLLLER
ModMML
HighHHM
NAOverhead Glazing or SkylightsLowLLL 
ModHML
HighHMM
6.3.2 Interior Partitions26.3.2.1Heavy (CMU, brick, hollow clay tile)LowLLLER
ModHHH
HighHHH
6.3.2.2Light (partial- or full-height stud wall partitions)LowLLLER
ModMMM
HighMHH
6.3.2.3GlazedLowLLLER
ModMML
HighMHM
6.3.3 Interior Veneers26.3.3.1Stone and TileLowLLLER
ModHHM
HighHHM
6.3.4 Ceilings6.3.4.1Suspended Acoustic Lay-in Tile Ceiling SystemsLowLLLPR
ModLMM
HighMHH
6.3.4.2Directly Applied to StructureLowLLLNE
ModMMM
HighMHH
NASoffits (stucco, gypsumboard, plaster)LowLLL 
ModMMM 
HighHHH 
6.3.4.3Suspended Heavy CeilingsLowLLLPR
ModMMM
HighHHH
6.3.4.4Suspended Lath and PlasterLowLLL 
ModMMM
HighHHH
6.3.5 Parapets and Appendages6.3.5.1Unreinforced Masonry ParapetsLowMMLER
ModHHL
HighHHL
NAParapets, Cornices, DecorationLowMML 
ModHHL 
HighHHL 
NAHanging AppendagesLowLLL 
ModHHL
HighHHM
NAClay Roof Tiles1LowLLL 
ModLML
HighMHM
6.3.6 Canopies, Marquees, and Signs6.3.6.1Canopies, Marquees, and SignsLowLLLER
ModHHL
HighHHM
NAHeavy Signs or Exterior BillboardsLowLLL 
ModHHL 
HighHHL 
NAFlagpolesLowLLL 
ModLLL
HighMLL
6.3.7 Chimneys and Stacks6.3.7.1Unreinforced Masonry ChimneyLowLLLER
ModMML
HighHMM
NAStacks, smallLowLLL 
ModMML
HighHMM
6.3.8 Stairways6.3.8.1StairwaysLowLLLER
ModHMM
HighHMH
6.3.9 Freestanding Walls or Fences6.3.9.1Freestanding Walls or FencesLowLLLPR
ModLLL
HighMHM


Footnotes:

  1. Ratings for exterior components assume an entrance or walkway is located near the exterior wall. At locations where there is limited access, the life safety risk would be low.
  2. Ratings assume component is located in a corridor or along the path of egress.

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Last Updated: 
03/26/2013 - 12:21
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