What type of Feeder cable

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czars

Czars
Location
West Melbourne, FL
Occupation
Florida Certified Electrical Contractor
I have a client that has a shop about 70 feet behind his home where he repairs and builds cars as a hobby. His old feeder is starting to fail and he wants to run new electrical cable from the service panel in his home out to the shop. He needs 120/240V at 100A to feed a panel in his shop. His old feeder is underground and judging from what I can see we will not be able to pull new conductors through it.

My question is what type of feeder should we consider installing - individual conductors (such as XHHW) in a new conduit or something for direct burial such as URD?
 
iwire said:
Why are you pushing for overhead?

Yuck.
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Not pushing for it at all, just extending RLyons' question of whether it would be possible. OP certainly seemed committed to underground of one form or another. But, depending on the placement of the pool, a new trench through its equipotential grid area could complicate things too.
 
A dog leg with a new pole might work, but I think the pole would be in the way of the access to the shop in the rear. He needs room for several vehicles and a car transport trailer.
 
czars said:
Overhead is not easy because of a backyard pool to go over.
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Likely underground needs to go around the pool also, unless you get horizontal boring equipment involved. I'm not sure just how deep below the pool you would want to go, but if you went 10 feet below the pool I don't see that being any more or less of a hazard than being 10 feet beside the pool.

But I would put anything underground in a raceway. Overhead is likely not something the owner may want to have to look at. If you have trees, they will create problems for the overhead also.
 
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