Minn. R. agency 151, ch. 1311, pt. 1311.0506
IEBC section 506.1 is amended to read as follows:
Changes in the use or occupancy of any building that would place the building in a different division of the same group of occupancy or in a different group of occupancies shall be permitted if such building is made to comply with the requirements of the International Building Code for such division or group of occupancy. Subject to the approval of the building official, the use or occupancy of existing buildings shall be permitted to be changed and the building is allowed to be occupied for purposes in other groups without conforming to all of the requirements of this code for those groups, provided the new or proposed use is equally or less hazardous, based on life and fire risk, than the existing use based on Table 506.1.
Exception:The building need not to be made to comply with the IBC chapter 16 unless required by section 506.4
IEBC section 506.1 is amended by adding a table to read as follows:
TABLE 506.1 LIFE SAFETY AND FIRE RISK
| RELATIVE HAZARD | OCCUPANCY CLASSIFICATION(a) |
| 1 (Highest Hazard) | H, 1-2,1-3 |
| 2 | A-l,A-2,A-3,A-4 |
| 3 | A-5,E, l-l,R-l,R-2,I-4 |
| 4 | R-3, R-4, M |
| 5 | B,F-l,S-l,IRC-l,IRC-3 |
| 6 | F-2, S-2, IRC-2 |
| 7 (Lowest Hazard) | U, IRC-4 |
IEBC section 506.1 is amended by adding a subsection to read as follows:
The following rooms and spaces shall not be classified as assembly occupancies:
The exception to IEBC section 506.4.1 is amended to read as follows:
Exception: Structural elements whose demand-capacity ratio considering the change of occupancy is not more than 105 percent of the demand-capacity ratio based on previously approved live loads need not comply with this section. For purposes of this exception, the comparison of demand-capacity ratios and calculation of design gravity loads, forces, and capacities shall account for the cumulative effects of additions and alterations since original construction.
Minn. R. agency 151, ch. 1311, pt. 1311.0506