This Architectural Drawing is AutoCAD 2d drawing of Plumbing in bathroom wall details in AutoCAD, dwg file. For the most part, plumbing in bathrooms is not always visible as it is usually located under fixtures and behind walls. Like the kitchen, the sink's supply and waste pipes will be located underneath a cabinet or vanity. The water supply line runs out of the wall into a hole in the back of the vanity, typically placed at a height of 22 to 24 inches from the finish floor. For more details and information download the drawing file.