18-29-713.9 Local vents and stacks for bedpan washers.
   Bedpan washers shall be vented to open air above the roof by means of one or more local vents. The local vent for a bedpan washer shall not be less than a 2-inch-diameter (50 mm) pipe. A local vent serving a single bedpan washer is permitted to drain to the fixture served.