4.1.8.5. Importance Factor and Seismic Category

(1)

The earthquake importance factor, I_E, shall be determined according to Table 4.1.8.5.-A.

(2)

Buildings shall be assigned a Seismic Category in accordance with Table 4.1.8.5.-B.

Table 4.1.8.5.-A Importance Factor for Earthquake Loads and Effects, I_E

Forming Part of Sentence 4.1.8.5.(1)

Notes to Table 4.1.8.5.-A:

(1) See Article 4.1.8.13.

(2) See Appendix A.

Table 4.1.8.5.-B Seismic Categories for Buildings

Forming Part of Sentence 4.1.8.5.(2)

Notes to Table 4.1.8.5.-B:

(1) The Seismic Category of a building shall be taken as the more severe of the categories determined on the basis of I S(0.2) and I S(1.0), irrespective of the fundamental lateral period of the, T.