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-   -   Need to dig a ditch. Recommendations? (http://www.diychatroom.com/f2/need-dig-ditch-recommendations-151487/)

speedster1 07-25-2012 10:59 AM

Need to dig a ditch. Recommendations?
 
I'm converting my overhead electrical service entry to an underground service entry. I have a 55' run from the meter box to the electrical pole. It's basically a straight shot. There are a few obsticles howevver, first is a gutter drain that I will need to go under/over and the other larger obstical is my driveway. The driveway is probably 12' wide and is an older lowgrade asphalt. It won't break my heart to rip a path through it but I'd prefer to do it as cleanly as I can. My original plan was to have my brother in law use his excavator to dig the ditch but the smallest bucket he has is 18" wide. Seems kinda overkill for a ditch that will only have one 3" and one 1" conduit ran through it. So I've contemplated either renting a 4" or 6" ditch-witch or else finding a local contractor with a small backhoe to dig the ditch.

I'm also wondering what is the best way to cross the driveway. If I run a ditch witch through it I suppose it will tear the asphalt all to hell. Is there a way I can cut the asphalt to get a smooth straight line? Are there blades I can put on a circular saw that would cut through the drive? Angle grinder with masonary blade? Or would I need to rent a huge walking concrete saw or something like that?

What would you suggest? I've got all the electrical work done, just waiting to get the ditch dug and conduit buried so I can get an electrical inspection.

tjansen 07-25-2012 11:50 AM

You could try and rent a hand held concrete saw.

http://www.paver-saws.com/partner-concrete-saw-1.jpg

For 12 feet that might be fine, I haven't used a walk behind saw before but I imagine it's a bit better on the back.

md2lgyk 07-25-2012 12:07 PM

You have all the electrical work done? Are you saying the conductors are already pulled? I'd really be surprised if that's the case. I also live in WV (Jefferson County), and the PoCo was responsible for pulling the conductors, connecting them, and installing the meter. All I had to do was put in the conduit.

speedster1 07-25-2012 12:14 PM

Quote:

Originally Posted by md2lgyk (Post 973945)
You have all the electrical work done? Are you saying the conductors are already pulled? I'd really be surprised if that's the case. I also live in WV (Jefferson County), and the PoCo was responsible for pulling the conductors, connecting them, and installing the meter. All I had to do was put in the conduit.

You are right. What I meant was that I've installed my new 200A meter box/disconnect along with my 200 circuit breaker panel. They are wired together and ready to go. I need to buy the conduit and install a pull-rope so that the PoCo can run the line down the pole, through the conduit, and connect to my meter socket.

ddawg16 07-25-2012 01:29 PM

I'm pretty sure that conduit has to be 3' deep.....

Just rent a trencher....it will cut about a 6" wide trench....

On your driveway....asphalt is pretty soft....if you want it to look pretty...rent the saw...otherwise...break up chunks....

md2lgyk 07-25-2012 05:55 PM

Having done this, but for more like 150 feet, I would not recommend a very narrow trench. Unless your ground is really flat and it's a perfectly straight shot, you'll appreciate some wiggle room afforded by a wider trench. Also, it's easier to glue the conduit together if you can get down in the trench.


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