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VENTILATION: ROOMS AND EQUIPMENT VENTED AS REQUIRED: PLUMBING: INSTALLED AND MAINTAINED - Comments: MENS WASHROOM HANDWASH BOWL PIPE DRAINING SLOWLY ALSO NO BACKFLOW PREVENTION DEVICE AT ICE MACHINE WATER LINE. MUST PROVIDE/MAKE VISIBLE BACK FLOW PREVENTION DEVICE AT ICE MACHINE WATER LINE ALSO MUST ROD OUT MENS HANDWASH BOWL DRAIN PIPE.