By Brad Keyes…
Q: We have two open-heart OR’s. Each has a full 42″ wide door leaf that opens to the corridor, and each has a 3’0″ door in the rear of the OR that opens into a central sterile core. The OR walls other than the corridor side are not labeled as a fire/smoke barrier on the life safety drawings. The main OR entrance door that opens into the corridor has a door closer, is rated, and has latching hardware. My question is: The 3′ 0″ doors opening into the sterile core have closers but do they have to be fitted with latching hardware?
A: Does the Life Safety drawings identify the sterile core area and the operating room together as a suite-of-rooms? What does the life safety drawings say about the sterile core area? Is it classified as a suite? If so, then the door could be fine without a latching door between the OR and the sterile core area, because it is all one suite. However, if the life safety drawings clearly identify the internal walls of the sterile core area as corridor walls, then the door between the OR and the sterile core area would have to latch. Remember: All corridor doors must latch.
There is another issue here… Most sterile core areas that I have seen qualify as an hazardous area, due to the many combustible items stored in the room. If the walls surrounding the sterile core area are 1-hour fire-rated, then the door itself would have to be 3/4-hour fire-rated (see 184.108.40.206 of the 2012 LSC), and it would have to be self-closing and positive latching. If the walls surrounding the sterile core area are smoke partitions and the sterile core area is protected with sprinklers, then the door is not required to be fire-rated, but it must be self-closing (see 220.127.116.11.3) and positive latching (see 18.104.22.168.2, which references 22.214.171.124 which references 126.96.36.199.10).
Based on the information you provided, it is probable that the door between the OR and the sterile core area would have to positively latch.