Section 423.5, Group E Occupancy, of the IBC, is hereby amended by deleting said section and exceptions and inserting in lieu thereof the following:
Section 423.5 Group E Occupancy In areas where the shelter design wind speed for tornadoes is 250 mph in accordance with Figure 304.2 (1) of ICC 500, all Group E occupancies with a program occupant load of 50 or more shall have a storm shelter constructed in accordance with Chapters 1 through 5 & 8 of ICC 500.
The installation of portable buildings for utilization on the campus or site for educational purposes is considered new construction and classified as Group E occupancies.
Exceptions:
1. Group E day care facilities.
2. Group E occupancies accessory to place of religious worship.
3. Buildings meeting the requirements for shelter design in ICC 500.
4. Accessory structures to existing group E sites where the occupancy classification of said structures are classified as Groups A-5 and U