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    Electrical and water line in Trench question

    I need to run power and water to my shop that is 175ft away and will cross a gravel driveway. I want to run the electric conduit and the water in the same trench. How deep should I go. I was thinking 36 inch for the conduit fill in about 12 inches and put the water line on top of that. Is this over kill or about right? One section will eventually get a slab poured over it for a garage.
    Last edited by sharkhunter; 05-14-2019, 09:05 PM.

    #2
    You can run them in same trench. 24” for electrical conduit under concrete carrying weight. You can put water right next to it. Doesn’t matter.


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      #3
      18” will work for the electrical.

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        #4
        Originally posted by Rubi513 View Post
        18” will work for the electrical.


        Not under a drive way.


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          #5
          Originally posted by FLASH_OUTDOORS View Post
          Not under a drive way.


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          Under a dwelling driveway.

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            #6
            Originally posted by FLASH_OUTDOORS View Post
            Not under a drive way.


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            I was a little worried about that because some dump trucks and delivery trucks will be driving over it at times. Not a lot but it will happen.

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              #7
              Originally posted by sharkhunter View Post
              I was a little worried about that because some dump trucks and delivery trucks will be driving over it at times. Not a lot but it will happen.
              You can bury it as deep as you want. As far as Code goes, 18” is minimum for a residential driveway.

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                #8
                Electrical and water line in Trench question

                Is conduit a must or is UF cable an option if worried about crushing conduit? I like raceways as you can replace if needed but not required. If ground is soft then deeper is better and not that much more time with a good trencher.


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                  #9
                  Originally posted by Rubi513 View Post
                  You can bury it as deep as you want. As far as Code goes, 18” is minimum for a residential driveway.


                  Rubi is right. The minimum is 18” in residential drives. I always go the route better safe than sorry under drives. Driveways is 24”. “Dwelling driveways” are 18”. If I’m digging a ditch, what’s an extra 6”??


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                    #10
                    Originally posted by FLASH_OUTDOORS View Post
                    what’s an extra 6”??


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                    Doing electrical work, or making movies...

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                      #11
                      Lay it a few inches apart at least. Don’t have it touching at all what ever you do


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                        #12
                        Originally posted by Hoss163 View Post
                        Lay it a few inches apart at least. Don’t have it touching at all what ever you do


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                        Why? They will both be in conduit.


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                          #13
                          If you ever have to work on the water line that’s why don’t want to wrestle another pipe right next to it if you have to ever repair it .


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                            #14
                            Originally posted by FLASH_OUTDOORS View Post
                            Why? They will both be in conduit.


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                            I hope your not running the water line out of conduit.

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                              #15
                              Originally posted by Hoss163 View Post
                              I hope your not running the water line out of conduit.
                              What else would you put it in?

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