Could someone please answer these questions regarding my existing as-built layout (second drawing)?
I've read a bunch here -- somewhere I think I read that tubs get 2" drains (is that required or preferred?) and that a trap arm should be no more than x feet from the vertical vent pipe. Is the tub vented correctly? Can you tell me if the the 1-1/2" tub drain meets code (Virginia)? The current distance from tub trap arm to the vertical vent pipe, traced down the drain pipe, is about 14 feet -- does this meet code?