Operating Rooms as Hazardous Areas

Q: Our facility has an operating room and clean core area which are separated from the remainder of the building by 1-hour construction. We were recently cited for not having 1-hour fire separation between the operating rooms and clean core area. The clean core area is over 100 square feet, contains combustible storage (gauze, plastic wrapped instruments, etc.) on open shelves, is regularly occupied, and has non-latching doors into the operating rooms. The building is protected by automatic sprinklers.

Are we really required to provide fire separation between the two spaces? If both the operating room and clean core are treated as hazardous areas, could we eliminate the fire separation requirement between the two spaces? Would the separation requirement apply to procedure rooms with large quantities of combustible storage?

A: Yes, the requirement to have separation barriers does apply to procedure rooms and core areas. You ask if you can designate the operating room as a hazardous area and therefore not have to provide separation between the core area and the OR. The answer to that question is it depends.

It depends mainly on the authority having jurisdiction performing the inspection. Some AHJs will allow an OR to be classified as a hazardous area, and some will not. Some AHJs believe anywhere where a patient is located should not be considered a hazardous area.

To be sure, the Life Safety Code does not have specific language that prevents the OR from being classified as a hazardous area, but there are subtle overtures in the LSC that imply patients should not be in a hazardous area, such as section 19.2.5.7.1.3 (A) of the 2012 LSC.

It really is up to the AHJ who cited you for the deficiency. I suggest you submit a Plan of Correction to them that says the OR is a hazardous area and see if they accept that.