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Willie_the_Wombat t1_j06tqu2 wrote

That really depends on what you mean when you say “stream”. If it’s small enough that your driveway would cross it using a culvert, you would just continue the conduit underneath. If it’s big enough to require a bridge for the driveway, you’d probably surface the conduit on both sides and attach to the bridge.

As for the state getting involved, I believe that depends on the size of the watershed being collected. But I don’t know the exact regulations, or dimensions.

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Elegant_Schedule1566 OP t1_j06uroj wrote

Oh that totally makes sense, I didn’t think of it running along a bridge - have you seen that done before or done it? Either scenarios are possible options in my run, so that’s at least a good starting place to look into doing. Thanks so much for the helpful info.

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Willie_the_Wombat t1_j06wu6f wrote

Yes, back when I was an apprentice. We attached conduit to the bottom of a covered bridge at a winery.

You (or your contractor) will be responsible for installation of the primary conduit run in whatever path it takes. But your utility (GMP or others) will design that installation for you. Primary (before the final transformer) is outside the jurisdiction of the NEC and local inspectors if applicable. The utility will specify what conduit(s), cover, attachments, etc… for you depending on the particulars of your project.

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