Specifies the API importance factor for seismic analysis. Usually, this value is 1.0, unless specified otherwise by the purchaser. API recommends that this value not exceed 1.5.
Table E.5 - Importance Factor (I) and Seismic Use Group Classification
Seismic Use Group |
I |
I |
1.0 |
II |
1.25 |
III |
1.5 |