K-Tag K374

Subdivision of Building Spaces – Smoke Barrier Doors

This regulation specifies construction and hardware requirements for doors installed in smoke barriers within existing psychiatric residential treatment facilities (PRTFs), as part of CMS Life Safety Code survey requirements. Operators must ensure smoke barrier doors are at least 1¾-inch thick solid bonded wood-core (or 20-minute fire-resistive construction), are self-closing or automatic-closing, and provide a minimum 32-inch clear opening width. Fixed fire window assemblies and nonrated protective plates of unlimited height are permitted under specified conditions.

K374 Subdivision of Building Spaces – Smoke Barrier Doors 
2012 EXISTING 
Doors in smoke barriers are 1¾-inch thick solid bonded wood-core doors or 
of construction that resists fire for 20 minutes. Nonrated protective plates of 
unlimited height are permitted. Doors are permitted to have fixed fire 
window assemblies per 8.5. Doors are self-closing or automatic-closing, do 
not require latching, and are not required to swing in the direction of egress 
travel. Door opening provides a minimum clear width of 32 in for swinging 
or horizontal doors. 
19.3.7.6, 19.3.7.8, 19.3.7.9 
Form CMS-2786R (07/2018) Page 28 

Name of Facility 2012 LIFE SAFETY CODE 
ID 
PREFIX MET NOT 
MET N/A REMARKS