§ 27-269 Construction classes.
AC § 27-269
Table 3-3 lists construction classes that shall be established for classifying buildings and spaces by construction in accordance with the provisions of articles fifteen, sixteen and seventeen of this subchapter. TABLE 3.3Construction Classes Construction GroupClass I – Noncombustible I – A – (4-hr. protected) I – B – (3-hr. protected) I – C – (2-hr. protected) I – D – (1-hr. protected) I – E – (unprotected) II – CombustibleII – A – (heavy timber) II – B – (protected wood joist) II – C – (unprotected wood joist) II – D – (protected wood frame) II – E – (unprotected wood frame)













