1. (a) The walls and roof shall be made of:

   1. (1) reinforced concrete that complies with the North Carolina State Building Code, or
   2. (2) masonry that complies with approved plans and specifications, or
   3. (3) other materials that comply with the North Carolina State Building Code.

2. (b) The interior walls in security areas shall be made of:

   1. (1) reinforced concrete that is at least four inches thick and finished smooth, or
   2. (2) cement masonry (CMU) and brick that is at least eight inches thick, or
   3. (3) approved steel as specified in Rule .1513 of this Section.
3. (c) Interior floors shall be made of concrete that is finished smooth, terrazzo, quarry tile, or other approved material.

4. (d) Interior ceilings shall be made of:

   1. (1) reinforced concrete that is finished smooth, or
   2. (2) approved steel as specified in Rule .1513 of this Section, or
   3. (3) other approved material.
5. (e) Grating fronts and grating doors for single and multiple rooms shall be made of tool‑resisting steel, as specified in Rule .1513(1)(a) of this Section, unless enclosed in a tool resisting perimeter.
6. (f) Safety vestibule grating and interior grating doors shall be made of tool‑resisting steel, as specified in Rule .1513(1)(a) of this Section.
7. (g) Materials shall be non‑combustible and shall have fire‑resistive ratings if required by the North Carolina State Building Code.
8. (h) A local confinement facility shall not be located in or attached to buildings with less than fire‑resistive construction, unless the confinement area is separated by an approved masonry firewall.

History Note: Authority G.S. 153A‑220; 153A‑221;
Eff. June 1, 1990;
Pursuant to G.S. 150B-21.3A, rule is necessary without substantive public interest Eff. January 5, 2016.