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post #1 of 13 Old 06-14-2019, 04:45 PM Thread Starter
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Water line to new barn?????

I'm running a 3/4" black plastic water line from the garage bathroom 180 ft. to a frost proof hydrant at a new barn. Most lines around here they dig 18", this I went 30"(minimum).
I drilled 3" hole in concrete bath floor, put in a foot long piece of 3" PVC* (Water line, electric, phone, Cat5e all going through this, so 3/4" water+1.5" elec conduit+3/4" elec conduit).
My question is this. Bathroom* is heated to above freezing all winter, usually 50F. The 3" PVC...should I stuff fiberglass insulation down it or Great Stuff spray? Should I wrap pipe with insulation outside where it goes up under floor? Should I simply pack dirt back in like it was?
Thanks.

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post #2 of 13 Old 06-14-2019, 04:57 PM
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Re: Water line to new barn?????

You will probably never have issues unless heck freezes over, but I would wrap the vertical portion with at least 1" Armaflex insulation. Better safe than sorry.
I am 4 ft. down with mine here in NY and only issue I have had is the hydrant lift freezing when it got down to below zero. This was after the horses were gone. When they were in for winter's night, their heat kept everything comfy & unfrozen.

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post #3 of 13 Old 06-14-2019, 05:22 PM
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Re: Water line to new barn?????

At the frost free I would have no worries as they will drain out to the 30" below grade and frost line. But for insurance I would put the "foam" around the base in the ground at least 18" down.

Now where it leaves the bathroom (first pic) I would run the 6" pvc down to 24"s, insulate that 3/4" inside a 6" pvc and leave the pvc open around it letting heat/air get to it yet insulating it at the same time. That will keep the possible freezing ground off the new water line, air space and insulation is always a good thing.

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post #4 of 13 Old 06-14-2019, 05:27 PM
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Re: Water line to new barn?????

You could do like I did when I moved into my house, I got a indoor/outdoor thermometer that has the wire that you put outside. I dropped the wire end through the floor above where my water lines are in the crawl space so I could monitor the temp during the winter. You could do the same and drop the wire end down the PVC and put some insulation over the top then you could monitor the temps as the weather gets cold. If it looks like it could get close to freezing you may have to wrap the pipe with some heat wrap as far as you can get it down the PVC.
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post #5 of 13 Old 06-14-2019, 05:36 PM Thread Starter
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Re: Water line to new barn?????

Thank so much the replies. The hydrant end is fine. There I augered down 4 ft., put a foot of 57 gravel in for it's drain, and so it will have 36" fill dirt, 3" gravel, 5" concrete on top.
My concern was where it goes through 3" PVC up into bath.

Great ideas!

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post #6 of 13 Old 06-16-2019, 02:26 AM
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Re: Water line to new barn?????

how long will it stay 50 if the heat goes off?
if thats a outside conner as it looks like.
put every thing you can around it. now pray

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post #7 of 13 Old 06-16-2019, 11:24 AM
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Re: Water line to new barn?????

I wish I had great stuff foamed the 4" PVC pipe I had put thru the concrete foundation on my garage ,that was intended to be used to bring the power wires,phone,etc,into the building,that so far hasn't been done...

The pipe goes in the foundation about 2 feet below ground and has a 90 degree elbow ,and a straight section sticks up out of the concrete floor..the circuit breaker box was going to be mounted right above it..

I added another elbow outside the foundation so a straight section could be sticking up out of the ground,so I could fish a phone cable and TV coax into the building and I put a 45 elbow on the straight piece so rain cant just fill the pipe up..

But evidently water can get in the pipe because I can see some at the bottom of the straight sections where the pipe passes thru the concrete,it looks like a "P" trap under a sink..I've had to stuff rags in the pipe inside the building,after I had a mouse end up dead in the water in the pipe (talk about ungodly stench! )...

If I ever get the cash to have a trench dug to the house and install a proper electrical system I'm going to fill the pipe with the foam stuff after all the wires and power cables are routed..
I'd love to have running water in the garage,but its just too much of a hassle,the pipes will likely freeze up..I get by with a garden hose during the warmer months..


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post #8 of 13 Old 06-16-2019, 05:39 PM
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Re: Water line to new barn?????

Quote:
Originally Posted by Sevenhills1952 View Post
My concern was where it goes through 3" PVC up into bath.
Electricians use a rubber-like substance to seal up conduits that is waterproof but stays semi-flexible. I have no idea what it is really called, we've always called it loon s h i t.

Found it, it's called duct seal. It comes in 1 pound blocks.
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post #9 of 13 Old 06-16-2019, 07:20 PM
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Re: Water line to new barn?????

Quote:
Originally Posted by Tractor-Holic View Post
I wish I had great stuff foamed the 4" PVC pipe I had put thru the concrete foundation on my garage ,that was intended to be used to bring the power wires,phone,etc,into the building,that so far hasn't been done...

The pipe goes in the foundation about 2 feet below ground and has a 90 degree elbow ,and a straight section sticks up out of the concrete floor..the circuit breaker box was going to be mounted right above it..

I added another elbow outside the foundation so a straight section could be sticking up out of the ground,so I could fish a phone cable and TV coax into the building and I put a 45 elbow on the straight piece so rain cant just fill the pipe up..

But evidently water can get in the pipe because I can see some at the bottom of the straight sections where the pipe passes thru the concrete,it looks like a "P" trap under a sink..I've had to stuff rags in the pipe inside the building,after I had a mouse end up dead in the water in the pipe (talk about ungodly stench! )...

If I ever get the cash to have a trench dug to the house and install a proper electrical system I'm going to fill the pipe with the foam stuff after all the wires and power cables are routed..
I'd love to have running water in the garage,but its just too much of a hassle,the pipes will likely freeze up..I get by with a garden hose during the warmer months..
A couple of non-glued pipe caps would solve both the rodent and water issues.
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post #10 of 13 Old 06-16-2019, 07:28 PM
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Re: Water line to new barn?????

Here water and anything electrical must come threw separate conduit even if the electrical is underground cable. Electrical must be installed completely in gray underground conduit and anything 220 V must be in a minimum 3" conduit. Or our utility will not allow it to be connected to their system.
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post #11 of 13 Old 06-16-2019, 07:45 PM Thread Starter
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Re: Water line to new barn?????

Here, especially in the country, especially from a garage to barn, and especially with a homeowner doing it they could care less.
Today I bought the more expensive pipe insulating rubber wrap.
The electric I discovered it will have to be run separately anyway to conveniently go up into the box. So conduit over, up and in behind bushes, can't be seen.
The other phone and very low voltage wires through 3/4" conduit and should be fine next to water. I transitioned to Pex from black plastic once inside.
It should all work out fine.

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post #12 of 13 Old 06-16-2019, 08:10 PM
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Re: Water line to new barn?????

No code here either. Just a electrical utility supplier standard that has appeared it the last few years. Heck I have 3-#4 wires running threw 2-1/2" conduit. Would I do it again? No! But it was done years ago and I have often wished it had been in 3". Some time this summer I need to move the source box and am not looking forward to removing and feeding these wires threw even the short distance they need to go. It always pays to plan for the unexpected.
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post #13 of 13 Old 06-17-2019, 12:08 AM
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Re: Water line to new barn?????

When you are finished with the project, print a map of your property and mark out the lines store it with your records of lot lines. There were a few temp buildings on our farm property from the former owner and found some of them while trenching to the newer barn.
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