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Old 04-05-2011, 04:45 AM   #1
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Schedule 40 under driveway


Can't wait until this project is over so I can stop bugging you guys.

My power to the garage sub panel will be in schedule 40 and will run under the driveway, 24 inches below. Is there any issue with crushing the pipe with a heavy truck, or should I be looking at schedule 80 for under the driveway?

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Old 04-05-2011, 07:48 AM   #2
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Schedule 40 under driveway


It should be ok. How are you going to get it under the driveway - water drill? I made a water drill once to get under a street for a water line - the city would not let me close or tear up the street. It was a lot of work but it got the job done.

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Old 04-05-2011, 08:26 AM   #3
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Schedule 40 under driveway


Will be using a backhoe, currenty, it is a gravel driveway!
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Old 04-05-2011, 04:57 PM   #4
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Schedule 40 under driveway


Schedule 80 needs to be used for under driveways. NEC 300.5 (D)(4)
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Old 04-06-2011, 05:27 AM   #5
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Schedule 40 under driveway


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Schedule 80 needs to be used for under driveways. NEC 300.5 (D)(4)
So you consider 24" deep under a residential driveway "subject to physical damage"??
I don't.
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Old 04-06-2011, 05:49 AM   #6
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Schedule 40 under driveway


I don't but the code witera do and I enforce the code.
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Old 04-06-2011, 06:13 AM   #7
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Schedule 40 under driveway


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I don't but the code witera do ....
So where can I find this in the code?
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Old 04-06-2011, 11:34 AM   #8
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Schedule 40 under driveway


We are waiting inspector. Nice to see an inspector squirm for a change.
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Old 04-06-2011, 01:06 PM   #9
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Schedule 40 under driveway


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We are waiting inspector. Nice to see an inspector squirm for a change.
Sorry gentlemen but it was not me who was replying to this thread. It seems my son thinks he is an authority on the code because he is going to school. I apoligize for his lack of knowledge.
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Old 04-06-2011, 06:04 PM   #10
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Schedule 40 under driveway


So, are you saying that schedule 40 is OK?

Thanks
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Old 04-06-2011, 06:16 PM   #11
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Schedule 40 under driveway


Schedule 40 is fine since you are going to put in a 24" trench.
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Old 04-06-2011, 07:32 PM   #12
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Schedule 40 under driveway


Thanks, the local supplier is out of schedule 80 and I have to lay this Saturday.

Thanks for the help.


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