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9.31.6.2.(3)
OS3OS1
ObjectiveOS3 Safety in Use
Attribution
Application
Application 1: 
Anchorage of service water heaters in dwelling units, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9], located in areas where the spectral response acceleration, Sa(0.2), is greater than 0.55.
Application 2: 
This also applies to buildings described in Sentence 1.3.3.2.(1) of Division A, as stated in Sentence 7.1.3.2.(1) which makes Section 9.31. applicable to dwelling units in all buildings.
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Intent
Intent 1: 
To limit the probability that the service water heaters will overturn, which would lead to broken electricity lines or ruptured fuel or water lines, which could lead to exposure to:
  • hot water,
  • electrical shock, or
  • noxious gases.
This is to limit the probability of harm to persons.
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