Okla. Admin. Code § 748:20-8-16

Current through Vol. 42, No. 7, December 16, 2024

Section 748:20-8-16 - IEBC[®] 2018 Chapter 11 Additions

Chapter 11 of the IEBC® 2018 is adopted with the following modifications:

(1) Section 1102.2 Area limitations. This section has been modified to address errata published by the ICC®. The modification changes a reference in the section from Chapter 6 to Chapter 5. This section has been modified to read: 1102.2 Area limitations. An addition shall not increase the area of an existing building beyond that permitted under the applicable provisions of Chapter 5 of the International Building Code® for new buildings unless fire separation as required by the International Building Code® is provided. Exception: In-filling of floor openings and nonoccupiable appendages such as elevator and exit stairway shafts shall be permitted beyond that permitted by the International Building Code®.

(2) Section 1106.1 Addition to a Group E occupancy. This section has been modified to remove the shelter design wind speed and change the occupant load of the addition to 200 or more. This section has been modified to read: 1106.1 Addition to a Group E occupancy. Where an addition is added to an existing Group E occupancy and the occupant load of the addition is 200 or more, the addition shall have a storm shelter constructed in accordance with ICC 500®. Exceptions:

(A) Group E day care facilities

(B) Group E occupancies accessory to places of religious worship.

(C) Buildings meeting the requirements for shelter design in ICC 500®.

(3) Section 1106.1.1 Required occupant capacity. This section has been modified to change the requirement for utilizing the required occupant capacity from any to the largest indoor assembly space that is associated with the Group E occupancy and to modify the second exception to delete the requirement that the exception be approved by the code official and to include safe rooms as well as storm shelters. This section has been modified to read: 1106.1.1 Required occupant capacity. The required occupant capacity of the storm shelter shall include all buildings on the site and shall be the greater of the following:

(A) The total occupant load of the classrooms, vocational rooms and offices of the Group E occupancy.

(B) The occupant load of the largest indoor assembly space that is associated with the Group E occupancy.

(C) Exceptions:

(i) Where an addition is being added on an existing Group E site, and where the addition is not of sufficient size to accommodate the required occupant capacity of the storm shelter for all of the buildings on-site, the storm shelter shall at a minimum accommodate the required occupant capacity for the new addition.

(ii) The required occupant capacity of the shelter shall be permitted to be reduced by the occupant capacity of any existing storm shelters or safe rooms on the site.

Okla. Admin. Code § 748:20-8-16

Adopted by Oklahoma Register, Volume 38, Issue 24, September 1, 2021, eff. 9/14/2021