Diagram/Tim CarterThis rough-in plumbing diagram shows exactly what the drain and vent pipes will look like once installed. Q. My city allows homeowners to install their own plumbing. But to get ...

QDEAR TIM: My city allows homeowners to install their own plumbing. To get the permit, I need to supply a rough-in plumbing diagram. What is a plumbing diagram?

Steve discovered that I do over-the-phone plumbing coaching. Just six months ago, Zoe in New Mexico got me on the phone twice to help her install the plumbing drain and vent pipes in a house she ...