I’m planning a detached, backyard workshop/storage shed. It will be about 50’ from the house. I’d like it to include a utility sink, so i need to run a line from my house to rough plumb when I pour the slab. I will also run a sewer line from the shed and tie it into house main, which luckily runs through my back yard, so slope won’t be an issue.
However, as part of my whole-house remodel, I had the overhead electric line (main power to the house) buried last year. This electric line is at 36” and perpendicular to the water line’s path (and to the sewer pipe’s path).
My question is— does the water line (and then separate sewer line) just get run beneath the electric line at their proper depths? Do I just dig by hand near the line and run them below the electric?
I assume some will ask, so I will preemptively answer— yes, I’ll heat the building so the pipes don’t freeze. Yes, I know exactly where the buried power and sewer are but will still call utilities to have them marked. I want the water and sewer for convenience when working in my workshop, but also the ability to turn the space into a guest house some day, if need be.
Replies
your water and sewer regulatory authority will tell you this and it's going to vary somewhat depending on where you are. And it can even vary over time (I was in an extended battle with a neighbor about a sewer/water easement and when we started the legal battle they were requiring 10' separation between water and sewer lines and two years later we had 2 sewer and 1 water line in one 24" trench). How you treat the crossing over or parallel with electrical will also be something they'll specify (and again, depending on who you ask at the same place, you might get different answers, like when the first inspector told me and my plumber we had to sleeve a natural gas line to a generator because it was within five feet of the foundation, and the inspector who came to do the trench close in was like "why the hell did you sleeve that? That's so not required." Same authority. So ask the people who have to sign off on the work.
Thank you! I'll call the regional building dept (it's just a pain trying to get ahold of a person, sometimes).
You should solve this from the authority.
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