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4.1.8.16.(7)
ApplicationIntent
OS2OP2
ObjectiveOP2 Structural Sufficiency of the Building
Attribution
[F20-OP2.2] [F22-OP2.4]
Application
Application 1: 
Evaluation of the potential for liquefaction and its consequences, for the design of buildings for earthquake.
Exceptions: 
except as stated in Sentence 4.1.8.1.(1), which applies to areas where the spectral response acceleration amplified for site conditions equals the floor levels found in low seismicity regions with Site Class C (i.e. very dense soil and soft rock).
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] that are required to be designed in accordance with the requirements of Part 4.
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Intent
Intent 1: 
To limit the probability that liquefaction and its consequences (e.g. ground displacement, loss of soil strength and stiffness) will not be taken into account in the design of a structure and its foundations, which could lead to the excessive displacement of the building, which could lead to:
  • damage to the building, or
  • damage to the building, which could impede the intended use and occupancy of the building.
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