Getting power from house to garage

[lawfarm]

We're buying a new (old) house, built in 1927. Detached 2 car garage.

The house is fed by overhead power service. The fuse box is on the east wall of the basement, near the location by the corner of the 12' wall and 24.75' wall in the attached picture. Between that wall and the garage is a roughly 25' wide brick paver patio.

The garage is currently served by a 1/2" metal conduit (buried) with three 14 gauge wires in it. What I'd like to do is drop a 60 amp breaker in the house panel (plenty of room and capacity), and get 220v power out to the garage. Two questions:

1) Recommended wire size for a 35' run on 60amps?
2) Best way to get power under the paver patio? The patio is in really nice shape and I really don't want to rip up a channel through it, as I'm worried it will forever be an issue in that location.

Could I hammer-drill a hole in the basement wall (beneath the paver patio) and somehow drive a metal rod under the patio to a pit on the far side, and use it to pull direct burial cable underneath? Other?

 

[The Cobbler]

Personally, I think you'll find it easier to remove some of the paving stones, dig the trench & re-lay than trying to get underneath them. That's one of the beauty's of paving stones

 

[Marctrees]

Possibly the stones adjacent to the drive, rather than through the field of stones.

Also keep in mind those underground horizontal boring rigs, although probably high $ to have one come out.

One of the Code knowledge guys will chime in, but I think you will need to trench 24", not sure.

The upside is you don't have alot of grass to mow !! Marc

Marc

 

[Kaizen]

Yup use chalk to mark pavers if unique pattern and remove, dig, place conduit. Far less expense and trouble then what you are thinking


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[sberry]

Dig it up, use number 2 alum wire.

 

[AntonLargiader]

60A at 35' is pretty much what I have, and that is three #6 TW or THWN and a green #10 ground in 3/4" or larger conduit.

 

[sberry]

Yes, copper is reasonable at that size and distance, not that big a deal.

 

[CrashmanS]

60A at 35' is pretty much what I have, and that is three #6 TW or THWN and a green #10 ground in 3/4" or larger conduit.

This feeds my garage no problems.

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[Falcon67]

Either copper or MHF would do that, MHF being way cheaper. Getting there - I see a good size hole next the the pavers by the garage and using some conduit/water hose setup to bore under the pavers.

 

[tjdux]

I have bored holes with a water hose before and it works great but its gonna be nearly impossible to hit a tiny hole in the basement wall without at least making something next to the house.

What about going out the south end the house in reference to the image (bottom)

Then its all grass to the shop.

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[Falcon67]

I would go to the basement wall from the yard and put a metal cone on the end of the pipe. When it hits the basement wall, pop it against the wall with someone listening using a ear and a funnel on the other side. Spot the pecking, punch a hole. One idea anywho

 

[tyme2par4]

It's not the most attractive method, but you could always run an overhead line between the house and the garage.

 

[lawfarm]

I have bored holes with a water hose before and it works great but its gonna be nearly impossible to hit a tiny hole in the basement wall without at least making something next to the house.

What about going out the south end the house in reference to the image (bottom)

Then its all grass to the shop.

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Sadly while that looks like grass, it's concrete driveway!

 

[tjdux]

Sadly while that looks like grass, it's concrete driveway!

My bad. Thats no good

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[CrashmanS]

I have bored holes with a water hose before and it works great but its gonna be nearly impossible to hit a tiny hole in the basement wall without at least making something next to the house.

What about going out the south end the house in reference to the image (bottom)

Then its all grass to the shop.

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I thought the same thing, but upon enlarging the plan it says "concrete d/w". Looks like grass!

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[Marctrees]

Same initial mistake here. Marc

 

[Marctrees]

Lawfarm - Great job of posting the print, but ?possibly" adding photos will spur some solution? Marc

 

[Marctrees]

So I believe Code says 18" deep in pipe, or 12" in pipe if covered by 2" min concrete.

Would the inspector allow the bricks to be considered concrete?

Marc

 

[Marctrees]

Re - "Drill hole in bsmnt and pound metal rod...."-

Look around here, may be possible but not quite so simple -

https://www.google.com/search?q=bor...=Pz1IWfiBAsi5-QHpuaqQCg#imgrc=UfR_BNC9Q--8oM:

 

[Marctrees]

Seems to me way to probably go is -

If the basement finish allows you to get power to the corner of walls 21.40 and 24.75...

Remove and mark pavers next to concrete - Make a good non confusing map for replacement... then a high school kid w a new narrow trenching shovel piling ALL dirt onto ONLY concrete side of trench.

Put plywood on remaining bricks for a footpath for him, and make sure he understands the non disruption of bricks under that ply.

Further, if possible, ****** through bsmnt wall ABOVE grade level, LB down outside and 90 into trench

Same manner on garage end. Marc

 

[lawfarm]

Seems to me way to probably go is -

If the basement finish allows you to get power to the corner of walls 21.40 and 24.75...

Remove and mark pavers next to concrete - Make a good non confusing map for replacement... then a high school kid w a new narrow trenching shovel piling ALL dirt onto ONLY concrete side of trench.

Put plywood on remaining bricks for a footpath for him, and make sure he understands the non disruption of bricks under that ply.

Further, if possible, ****** through bsmnt wall ABOVE grade level, LB down outside and 90 into trench

Same manner on garage end. Marc

That sounds like the best solution. There's a chain link fence between the brick paver patio and the concrete driveway, so I'll have to modify a bit to put down plywood on the paver side and pile the dirt at that location, but it'll work nonetheless. Will just have to have good compaction before reinstalling brick pavers.

Thanks for the ideas, guys!

 

[Marctrees]

"Will just have to have good compaction before reinstalling brick pavers."

Definitely yes, but don't worry excessively.

You very well may need to take a morning and have to shim them slightly after a year of rains, no bigee.

Marc

 

[wyliesdiesels]

For 60a u would need #6-6-6-10 THWN cu or #4-4-4-8 al

However, #2 AL is the best bang for your buck.