I have a really off the wall question about trenching an underground wire

/ I have a really off the wall question about trenching an underground wire #1  

lzicc

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Jul 20, 2009
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Location
Pittsburgh, Pa
Tractor
Kubota B2650
I need to bury a wire in my yard. The run is about 100'. I don't want to make a mess of the yard\lawn. I looked at this video: Bury 1ft of wire 1in deep in 1 minutes without any mess. - YouTube and while this would work, I don't think it is as easy as it looks. I don't know what type of ground is under my lawn, but I want to reach a good 10" depth if I can.

I thought about buying a subsoiler and modifying it to bury the wire, but it's going to dig up more than I want it to and would be messy.

If there was a way I could take the idea in that video using that shovel idea and attaching it to my fel or BH, I could cut the trench with that. I would obviously make the device wider, but it would make it a lot easier than doing it manually.
 
/ I have a really off the wall question about trenching an underground wire #2  
Any such idea here in stoney ground would be preposterous! Any commercial cable plow vibrates, which is a HUGE part of the success.

Can't you find someone with a walk behind plow that want to make a few bucks for twenty minutes work?
 
/ I have a really off the wall question about trenching an underground wire #3  
I don't know what you would consider "a mess". I have a single bottom mold board plow. I can remove the share and everything else. I end up with a single tooth shank that has a carbide tip. The manufacturer was really thinking - Pittsburg plow.

Anyhow - mounted on my Kubota M6040 I can easily cut an 8" deep cut. If I had to go to 10" - do the cut two times. The "cut" ends up about 1 1/2" wide and disrupts little else.
 
/ I have a really off the wall question about trenching an underground wire #4  
What is the purpose of the wire?
 
/ I have a really off the wall question about trenching an underground wire #5  
Go rent a trencher. Places like Homedepot rental and other equipment rental places have them to rent.
 
/ I have a really off the wall question about trenching an underground wire #6  
What is the purpose of the wire?

Second that ^^... What type of cable is this & what is it's purpose??

That tool would stand a chance where I live in CT.... Rocks... Rocks... Boulders...
 
/ I have a really off the wall question about trenching an underground wire
  • Thread Starter
#7  
I want to run a network cable, CAT6. I would probably run it in 1/2 PVC conduit for protection. I can buy direct burial CAT6 also which would be easier to bury than ussin conduit, but I would rather have the conduit protection. I can't say my ground is rocky underneath, it's more like clay I would guess from previous trenches I've dug. I've used the edge of my bucket to cut parts of the lawn out, but it will only penetrate a few inches.
 
/ I have a really off the wall question about trenching an underground wire #8  
For just 100 feet, I would rent a walk behind trencher and get it done. Then after filling and smoothing over the trench, toss some grass seed over the dirt and water it. You'll have new grass covering the ditch in no time and by next year, you won't even know the exact spot where the trench was dug. In five years you will need to dig into the ground for something else and cut the wire in half. That's Murphy's Law!!!
 
/ I have a really off the wall question about trenching an underground wire
  • Thread Starter
#9  
I could do that. I liked that shovel idea for some reason. This is more of a small project that doesn't need to be done, but something I would like to do.

For just 100 feet, I would rent a walk behind trencher and get it done. Then after filling and smoothing over the trench, toss some grass seed over the dirt and water it. You'll have new grass covering the ditch in no time and by next year, you won't even know the exact spot where the trench was dug. In five years you will need to dig into the ground for something else and cut the wire in half. That's Murphy's Law!!!
 
/ I have a really off the wall question about trenching an underground wire #10  
you could rent a sod cutter, and use that to take up the grass in the path that you want, then when finished, just lay the sod back down, and you won't notice it was ever cut.. this is the most unobtrusive method to get the sod back quickly..
 
/ I have a really off the wall question about trenching an underground wire #11  
Don't forget to check minimum burial depths for your area. I know around here it's a minimum of 18" deep for 120V stuff in PVC conduit. I'm not sure if that holds true for low voltage and/or data wiring, or if it's different in your area. Just something to keep in mind. Makes sense though, so as not to hit it with a rototiller or something in the future.
 
/ I have a really off the wall question about trenching an underground wire #12  
A hundred feet of CAT 6 direct buried could make a nice lightning target.
 
/ I have a really off the wall question about trenching an underground wire #14  
Because lightning has only one purpose. To disipate into the ground, and a given amount of ground only sucks up so much lightning. So when there is a nice highly conductive wire in the ground, the lightning makes a B-Line toward it and blows part anything on the ends. Much more susceptible than overhead plant.

Just for starters, I would put the cable in pipe, making everything that much more difficult. But, better physical and lightning protection and the option if ever needed of pulling in a new cable.

listen to me, and your life will get much more complicated, quickly.
 
/ I have a really off the wall question about trenching an underground wire #15  
you could rent a sod cutter, and use that to take up the grass in the path that you want, then when finished, just lay the sod back down, and you won't notice it was ever cut.. this is the most unobtrusive method to get the sod back quickly..

A couple of years ago I ran electrical service to my tractor shed. My electrician offered to make the 150’ trench with his ditch witch. I agreed, but after I had used a 4” wide flat spade to remove the sod in approximately 8 or 10 inch “strips” the entire length. After he dug the trench, placed conduit, wire, etc and had it inspected the trench was backfilled with the dirt. I then put the sod strips back down and drove the tractor back and forth to compress. A little water to refresh the grass and within a couple of weeks it was as good as new!
 
/ I have a really off the wall question about trenching an underground wire #17  
How do you figure?

Any metallic conductor you put into the ground will have voltage rises when the earth currents flow to equalize the nearby lightning strikes.

Fiber optic cable would be a much better choice as it is made of glass and is therefore nonconductive.

Of course you can put good lightning protection on your metallic conductor to help guard against destruction of your devices.

Lightning is just as much a ground phenomenon as an aerial phenomenon. This is why cattle are killed from nearby lightning strikes. Not that the bolt from the blue struck the cow, but the earth currents flowing in the ground the cow is standing one raises voltages between the cows hooves. Since a cow has rather large distance's between its hooves those voltage rises produced from the flowing earth currents can have a rather large voltage gradient between them. This is also why if you must abandoned your automobile and step out into the ground from a downed high voltage wire laying on the ground, you should shuffle your feet and not let a lot of distance accrue between your feet. You don't want to wind up like the cow.

If you don't want lightning issues, or having to deal with lightning issues, don't put any metallic conductor in the ground.
 
/ I have a really off the wall question about trenching an underground wire #18  
Of course putting in fiber optic cable increases the expense and complexity and the equipment (transceivers) on each end will also need surge protection for their AC power supplies. Of course you will likely already need that from the computer equipment on each end anyway.
 
/ I have a really off the wall question about trenching an underground wire #19  
Any metallic conductor you put into the ground will have voltage rises when the earth currents flow to equalize the nearby lightning strikes.

Fiber optic cable would be a much better choice as it is made of glass and is therefore nonconductive.

Of course you can put good lightning protection on your metallic conductor to help guard against destruction of your devices.

Lightning is just as much a ground phenomenon as an aerial phenomenon. This is why cattle are killed from nearby lightning strikes. Not that the bolt from the blue struck the cow, but the earth currents flowing in the ground the cow is standing one raises voltages between the cows hooves. Since a cow has rather large distance's between its hooves those voltage rises produced from the flowing earth currents can have a rather large voltage gradient between them. This is also why if you must abandoned your automobile and step out into the ground from a downed high voltage wire laying on the ground, you should shuffle your feet and not let a lot of distance accrue between your feet. You don't want to wind up like the cow.

If you don't want lightning issues, or having to deal with lightning issues, don't put any metallic conductor in the ground.

I get what you're saying, but how does that explain the extensive ground systems we hams (and broadcast stations) put in for towers, etc.?
 
/ I have a really off the wall question about trenching an underground wire #20  
I get what you're saying, but how does that explain the extensive ground systems we hams (and broadcast stations) put in for towers, etc.?

So that direct lighting strikes on those towers can equalize to ground without equalizing in other ancillary circuits. Like going thru the equipment to equalize. You cannot stop the direct strike, you can only supply a low impedance path for it to equalize. ground currents will still flow.
 
 

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