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Topic:
Fiber through water pipe?
This thread has 31 replies. Displaying posts 1 through 15.
Post 1 made on Friday October 6, 2017 at 18:01
Grasshopper
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No, not water pipe with water in it. But, is that up to NEC standards? We had to sub out a bunch of work for this big project we're doing. I noticed the other day that the subs had, at least in one spot, used water conduit to run fiber through. I imagine that it would be just fine, but, I may be wrong and I know some of you know a lot about the acceptable standards.

I also pointed out to my boss that the subs hadn't used a drop of pvc glue on any of their joints. Apparently my boss talked to them about that because they're now using pvc glue, as I ran into it today. But, even if they go back (they say they're going to) and glue their joints...that still leaves the ones that are under ground and I highly doubt they'll dig it all up again.
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Post 2 made on Friday October 6, 2017 at 18:13
Fins
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Even if it’s ok, you’re problem is running into an inspector that just doesn’t like it.
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OP | Post 3 made on Friday October 6, 2017 at 18:35
Grasshopper
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On October 6, 2017 at 18:13, Fins said...
Even if it’s ok, you’re problem is running into an inspector that just doesn’t like it.

Absolutely. Honestly I'm the kind of person who, if I were an inspector, wouldn't be thrilled about it. However, the pipe I saw was buried (we were digging along side it to add more conduit for power). I can't imagine that an inspector would be going through the entire property and having someone dig to show that the pipe they used was up to code...however, I'm pretty sure that they'd get dinged for not using pipe dope at all the joints. Makes sense to me, at least.
Everyone should learn something new every day.
Post 4 made on Friday October 6, 2017 at 19:06
3PedalMINI
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Post 5 made on Saturday October 7, 2017 at 00:15
Ernie Gilman
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3Pedal... how would you apply that in his case?

The thing I'd be worried about with water pipe is that water takes tight 90 degree bends while electrical uses sweeps and/or pull boxes. You say they used water pipe. If they were conscientious about it, the didn't use sweeps.
A good answer is easier with a clear question giving the make and model of everything.
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Post 6 made on Saturday October 7, 2017 at 00:59
buzz
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Inspectors or not, is the fiber rated for burial? If the fiber is rated for burial, the pipe will provide protection from subterranean pests and minor shovel blows. In my opinion that’s all you need. Even with pipe dope, the pipe will tend to fill with water, if only from condensation.
Post 7 made on Saturday October 7, 2017 at 10:30
Rob Grabon
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NEC 2014:
Unlisted noncon­ductive outside plant optical fiber cables shall be permitted to enter the building from the outside and shall be permitted to be installed in any of the following raceways:
(1) Intermediate metal conduit (IMC)
(2) Rigid metal conduit (RMC)
(3) Rigid polyvinyl chloride conduit (PVC)
(4) Electrical metal11c tubing (EM
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Post 8 made on Saturday October 7, 2017 at 11:07
edizzle
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Is water “pipe” considered the same as electrical “conduit”?

Also, if they did indeed use short 90s instead of sweep, please give them their “sign”
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Post 9 made on Saturday October 7, 2017 at 11:22
Fins
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Is the pipe metal or plastic?
Civil War reenactment is LARPing for people with no imagination.

Post 10 made on Saturday October 7, 2017 at 13:11
Ernie Gilman
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Probably plastic:
On October 6, 2017 at 18:01, Grasshopper said...
I also pointed out to my boss that the subs hadn't used a drop of pvc glue on any of their joints. Apparently my boss talked to them about that because they're now using pvc glue, as I ran into it today. But, even if they go back (they say they're going to) and glue their joints...that still leaves the ones that are under ground and I highly doubt they'll dig it all up again.

Grasshopper was bothered that no PVC glue had been used. That's not a reasonable thing to point out if the pipes are metal.
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
Post 11 made on Saturday October 7, 2017 at 13:46
Fins
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On October 7, 2017 at 13:11, Ernie Gilman said...
Probably plastic:
Grasshopper was bothered that no PVC glue had been used. That's not a reasonable thing to point out if the pipes are metal.

I believe that was for regular conduit they used on other runs. He also said the pipe with the fiber is buried.
Civil War reenactment is LARPing for people with no imagination.

Post 12 made on Saturday October 7, 2017 at 16:58
Ernie Gilman
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He doesn't mention "regular conduit" anywhere. Anything he brings up seems to be about the subject of the thread, water pipes, and bringing up PVC glue means he's talking about PVC pipes.

He says
On October 6, 2017 at 18:01, Grasshopper said...
...I noticed the other day that the subs had, at least in one spot, used water conduit to run fiber through....

Actually, we should have stopped him right here to point out that there's no such thing as "water conduit" and he should figure out what it's actually called so we'll all KNOW what's being discussed.

I get dinged here for insisting on accurate terms, then we have a discussion like this where there's lots of confusion......

I also pointed out to my boss that the subs hadn't used a drop of pvc glue on any of their joints. Apparently my boss talked to them about that because they're now using pvc glue, as I ran into it today. But, even if they go back (they say they're going to) and glue their joints...that still leaves the ones that are under ground and I highly doubt they'll dig it all up again.

So he's saying he doubts' they'll dig up the pipes that the fiber runs in, to add PVC glue to it... which is to say those pipes are plastic.
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
Post 13 made on Saturday October 7, 2017 at 18:00
Mac Burks (39)
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On October 6, 2017 at 18:01, Grasshopper said...
No, not water pipe with water in it. But, is that up to NEC standards? We had to sub out a bunch of work for this big project we're doing. I noticed the other day that the subs had, at least in one spot, used water conduit to run fiber through. I imagine that it would be just fine, but, I may be wrong and I know some of you know a lot about the acceptable standards.

Hopefully you never use this company again. Why on earth do they have copper pipe and why would they use it as conduit for fiber? Makes zero sense and makes them look like fools.

I also pointed out to my boss that the subs hadn't used a drop of pvc glue on any of their joints. Apparently my boss talked to them about that because they're now using pvc glue, as I ran into it today. But, even if they go back (they say they're going to) and glue their joints...that still leaves the ones that are under ground and I highly doubt they'll dig it all up again.

Anything going underground should be outdoor rated. That means that it should be okay to lay in water...because just about every conduit ends up being full of water. So you should be okay there...but that doesn't make what they did right. Again...no reason not to glue the joints and it makes them look like fools.


Here is something to think about...If these hillbillys made these two obvious mistakes with the "pipe" just think about what they have done with your wire. I wonder how many knots your Cat5 cable is in and how many 90's your RG6 is bent around.

I wouldn't trust that they did a single thing right there and i would immediately test every cable to make sure it goes where it should and that its good.


Adding...

When i hear "water conduit" i immediately think of copper pipe. I guess you could be talking about plastic/pvc etc pipe. Either way...unless they are also the plumbers they shouldn't have that stuff on their truck to begin with.
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Post 14 made on Saturday October 7, 2017 at 19:38
Fins
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On October 7, 2017 at 18:00, Mac Burks (39) said...
Hopefully you never use this company again. Why on earth do they have copper pipe and why would they use it as conduit for fiber? Makes zero sense and makes them look like fools.

Who said anything about copper pipe? I haven’t seen a plumber use anything but pex in years.
Civil War reenactment is LARPing for people with no imagination.

Post 15 made on Saturday October 7, 2017 at 21:16
Ernie Gilman
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Well, yeah, but the whole discussion is about plastic, probably what some of us call Schedule 40, and you were the first one to bring up metal.

In California, there are companies that specialize in repiping entire houses using copper, but that's because so many houses were built using galvanized iron, a bad idea all around.
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
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