Assertion: smokeproof stairwell | /r/HasProperty | designated
Facets:
Source sentences:
text: The smokeproof stairwell may be able to be designated as the evacuation stairwell even though it is the closest stairwell to the fire area when the result of designating the closest stairwell to the fire area as the evacuation stairwell will only extend the distance that the fire attack hoselines will need to be advanced to reach the fire area by 15 to 20 feet.