Minn. R. agency 151, ch. 1311, pt. 1311.0504
Current through Register Vol. 49, No. 19, November 4, 2024
IEBC section 504.4 is amended to read as follows:
Existing and replacement fire escape stairs shall meet the minimum width, capacity, riser height, and tread depth as specified in Table 504.4.
TABLE 504.4
DIMENSIONS FOR EXISTING AND REPLACEMENT FIRE ESCAPE STAIRS
Feature | Serving More Than 10 Occupants | Serving 10 or Fewer Occupants |
Minimum Width | 22 inches | 18 inches |
Maximum Riser Height | 9 inches | 12 inches |
Minimum Tread Depth | 9 inches | 6 inches |
Minn. R. agency 151, ch. 1311, pt. 1311.0504