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Old 11-06-2013, 09:38 AM   #1
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New Low Power lines under sidewalk


Other than water jetting, does anyone have a suggestion or tip on how I can trench under sidewalk for new line?

Water will make things very messy quickly! Can I cap a piece of conduit and hammer it under?

Thoughts?

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Old 11-06-2013, 09:23 PM   #2
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New Low Power lines under sidewalk


Just dig a hole on each side and use a drill bit and extensions to drill a tunnel underneath. A cable install guy did this once for me.

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Old 11-08-2013, 12:45 PM   #3
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New Low Power lines under sidewalk


Verizon subcontractors just used a long metal rod. Hammered it under. Assumes you've got a pole that'll survive being hammered through dirt. I don't think conduit would.

I used a piece of PVC and put a hose jet nozzle on the business end and a regular female hose coupling on the other. Used it as a water jet to blast through to the other side. Sure, it was a bit messy, but it's just mud and it dried out just fine. The important thing to remember is not to undermine the pavement too much. You only want a hole big enough for your conduit. And you'd probably want to avoid doing it where there's going to be a seam above.
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Old 11-08-2013, 06:39 PM   #4
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New Low Power lines under sidewalk


Thanks everyone!
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Old 11-08-2013, 07:01 PM   #5
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New Low Power lines under sidewalk


Just dig! No rentals or space age tools required!

Look, I'm already done!
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Old 11-08-2013, 07:17 PM   #6
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New Low Power lines under sidewalk


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Originally Posted by digitalplumber View Post
Some of you have way too much free time!
I was serious. Dig a hole on each side and then use a crowbar or something and start poking and digging. You may get dirty but you'll get it done.

I've done this many times.
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Old 11-08-2013, 07:20 PM   #7
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Originally Posted by kwikfishron View Post
I was serious. Dig a hole on each side and then use a crowbar or something and start poking and digging. You may get dirty but you'll get it done.

I've done this many times.

Yes I know you were and thanks!

I will attempt the use of a round bar and sledge first. No water too messy!

Thanks

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