1. A. Performance requirements and criteria for the selection and intended use of windows shall include the following considerations: security, natural lighting, ventilation, and weather protection.

2. B. Security requirements.

   1. 1. Security frames shall have 1-1/4-inch glazing stops with a one-inch bite and be secured with security screws on the non-inmate side.
   2. 2. Security frames shall be completely filled with 3,000 psi fine grout meeting the requirements of ASTM C476.
   3. 3. Windows shall have security glazing in accordance with 6VAC15-81-970.
   4. 4. Where necessary because of field conditions in renovations or replacements, field fabricated security windows shall have a minimum 14-gage window frame and be approved by the reviewing authority.
3. C. Secure perimeter. Windows frames that are to be installed in the building perimeter security (exterior and interior walls and clearstory/skylight assemblies) shall meet the requirements of ASTM F1592 Grade 1 or better.

4. D. Interior security.

   1. 1. Maximum security window frames shall be Security Grade 1 or better.
   2. 2. Window frames in other interior security walls shall be Security Grade 2 or better.
5. E. Non-security windows may be provided in an exterior security wall to provide a noninstitutional appearance. When such windows are used, however, the window opening shall be protected on the interior side of the opening by a steel bar grille or woven rod with security frame comparable to the security assemblies described in this section.

Statutory Authority

§§ 53.1-5, 53.1-80, and 53.1-82 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 34, Issue 12, eff. March 8, 2018.