Search results

Looking through the NPC 2020, it specifically states that short radius 90's cannot be used to connect 2 drainage pipes except in 2 very specific circumstances: "90° Elbows 1) Except as permitted in Sentence (2), 90° elbows of NPS 4 or less whose centre-line radius is less than the NPS of the...

In the building code a 1.5" pipe cannot wet vent a toilet, but a 2" can. So if I was to replace the 1.5" pipe between the toilet and the sinks tee with 2", and leave the 1.5" as the dry vent off the top of the sink tee that would be to code? Then if this toilet is sharing a wet vent with...

So our plumber decided he wanted to take some easy new construction subdivision jobs before winter instead of finishing ours (welcome to living in the middle of nowhere). I thought everything was roughed in but on looking in the crawlspace the drain pipes all just stick 2' down and aren't...