Unfinished basement, concrete slab basement rancher.

See that copper water line on the left? It has pin holes and needs replacement.
I'm proposing elevating the new one (the red circle and line) going through the tripled support joist, to get it into the joist cavity so I can finish the basement higher/cleaner.
But that also means the bath fixture lines start high, go down then back up leaving them full of water instead of tipping downward to drain when a facet in the basement is opened with water off. All that means is no winterizing that section if ever needed.

Bad idea?

You are not hurting anything. Pressurized.

Petcock in the low point would allow for winterization if desired.

[This message has been edited by Tony Kania (edited 03-24-2020).]

quote Originally posted by sourmash: All that means is no winterizing that section if ever needed. Bad idea?

I also don't think you need winterizing. It's not like you live at the north pole. (Where are you ?)

That other insulated line I suspect is hot water supply. I can see the need to insulate that, a few reasons. You could always insulate the cold water supply if your worried.

It rarely gets to 10 degrees here. There's never been a reason to winterize in 40 years so it's just analysis paralysis.One winter the power was off in the winter for 12-13 hours. That's all.
I want to raise the hot water one too.

I used PEX with my shower installation. It flexes and can take the cold without damage.

Drilling holes thru joists etc often have rules to meet Building Codes because Drilling for Pipes can made the joist(s) weak and fail days, months or years later depending just how big and where the holes are.

3/4" pipe alone needs 7/8-1" hole minimum. Insulated pipe needs 2" or more hole...

Likely has problem(s) now...
Bath line that some fool basically cut the joist making that worthless Likely was Doubled to take load for bath tub or other heavy thing(s), same reason the double joist to the left.
If pass inspection like that then inspector didn't look because incompetent or worse.

------------------
Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
(Jurassic Park)

The Ogre's Fiero Cave

Double joists are often used under tubs and shower enclosures.

quote Originally posted by theogre: If pass inspection like that then inspector didn't look because incompetent or worse.

It is really sad when the City Inspector skimps on the job or looks the other way for 'professional contractors.' Seen that, suffered from that, typical Government Service.

p.s. Yes, I know there are some Good Inspectors out there too ...

I was an inspector of a different variety on gov projects. One of my coworkers met the vice president of a 16,000 employee company that I had to inspect their work on. He said, "I can't believe he's still alive." That's what happens when you aren't as malleable as the contractor wants when you're watching him. I can also state that the entity you're representing for decent money will eff everyone over and let things go that you wouldn't.

Tony's right, that doubled joist is for the above tub and was a wth? moment. They framed with Redwood upstairs and someone did that down there. But it was in the 1960s and it's doubtful codes were pressed hard at that time in this region.
At the same time all it's lead to is a large caulk joint from tub to tiled wall. It's all original and tile is fine.

[This message has been edited by sourmash (edited 03-30-2020).]

quote Originally posted by Tony Kania: Double joists are often used under tubs and shower enclosures.

That's in case some 300lb lardass uses them.