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Old 04-03-2012, 11:23 PM   #21
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I see one ground rod per service. Is that a POCO thing? Did you have to run 6 separate water grounds too?
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Old 04-03-2012, 11:24 PM   #22
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Quote:
Originally Posted by Cletis View Post
Was that in the 5th ward? It looks like one of those new developments on ports

Where is your shop in relation to this project?
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Old 04-03-2012, 11:58 PM   #23
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I have to say the work looks nice but I can't help but think a lot of labor and material was wasted on this job. How big can this service be? Calculated load? If it's a 400 amp service I think I am installing service entrance conductors in parallel for the riser. Each place is different though.
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Old 04-04-2012, 01:03 AM   #24
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Why did you drive six grounds rods? As for the 1200 amp buss rating it seems that your inspector does not know how to do a multifamilty load calculation.
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Old 04-04-2012, 02:23 AM   #25
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Originally Posted by ohiosparky99 View Post
Was hoping you wouldn't zoom in and see that, actually didn't think about it until after we bent the pipe then it was a little too late
No couplings above the roof line -OR- use a back brace on the mast that the drop is connected, is a pretty standard rule most POCOs have. How did that pass inspection without back-bracing?
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Old 04-04-2012, 02:33 AM   #26
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Originally Posted by TOOL_5150 View Post
No couplings above the roof line -OR- use a back brace on the mast that the drop is connected, is a pretty standard rule most POCOs have. How did that pass inspection without back-bracing?
I been wondering as well due I look at the photo and it got my attetion there.

I think they may got it away due it may have a very short drop.

Merci,
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Old 04-04-2012, 08:46 AM   #27
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Quote:
Originally Posted by k_buz
I see one ground rod per service. Is that a POCO thing? Did you have to run 6 separate water grounds too?
Cold water was PVC
Not a POCO thing, an AHJ thing
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Old 04-04-2012, 08:47 AM   #28
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Quote:
Originally Posted by brian john

Where is your shop in relation to this project?
10 min away
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Old 04-04-2012, 08:48 AM   #29
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Quote:
Originally Posted by badvolt223
Why did you drive six grounds rods? As for the 1200 amp buss rating it seems that your inspector does not know how to do a multifamilty load calculation.
10000% agreed
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Old 04-04-2012, 08:48 AM   #30
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Quote:
Originally Posted by TOOL_5150

No couplings above the roof line -OR- use a back brace on the mast that the drop is connected, is a pretty standard rule most POCOs have. How did that pass inspection without back-bracing?
Drops about 20-25' away
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Old 04-04-2012, 08:55 AM   #31
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I have never seen an installation like that before. I understand its a AHJ thing and that you gotta do what you gotta do, but I see the 2' ish spacing, and wonder why you aren't required to space them 6' apart. I am not electrical engineer, but I would think it would be more effective if you ran 2 rods 6' apart and ran each service to those same two ground rods (you would have 6 acorns on the rods).

The way its done, and the way your AHJ wants it done, I'm not even sure if the middle 4 rods are even useful.

http://ecmweb.com/mag/electric_bringing_grounding_down/

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Old 04-04-2012, 09:50 AM   #32
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Originally Posted by k_buz View Post
I have never seen an installation like that before. I understand its a AHJ thing and that you gotta do what you gotta do, but I see the 2' ish spacing, and wonder why you aren't required to space them 6' apart. I am not electrical engineer, but I would think it would be more effective if you ran 2 rods 6' apart and ran each service to those same two ground rods (you would have 6 acorns on the rods).

The way its done, and the way your AHJ wants it done, I'm not even sure if the middle 4 rods are even useful.

http://ecmweb.com/mag/electric_bringing_grounding_down/
I was wondering same thing. Very clean-lookin' pipe work though. Somebody knows their way around a tape measure and bender.

Mark
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Old 04-04-2012, 11:05 AM   #33
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Not sure they used enough cable ties on the phone and cable...
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Old 04-04-2012, 12:04 PM   #34
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Aren't the ground rods supposed to be a minimum of 6' apart?
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Old 04-04-2012, 07:27 PM   #35
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Aren't the ground rods supposed to be a minimum of 6' apart?
If there closer than 6' they just need to be bonded together.
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Old 04-05-2012, 04:07 PM   #36
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Quote:
Originally Posted by ohiosparky99

Cold water was PVC
Not a POCO thing, an AHJ thing
If was not cold water PVC would one water ground conductor from water Meter bonded at each Meter pan be sufficient ?
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Old 04-05-2012, 05:19 PM   #37
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Quote:
Originally Posted by Gamit

If was not cold water PVC would one water ground conductor from water Meter bonded at each Meter pan be sufficient ?
I believe so, but we still would have had to supplement cold water with a ground rod, honestly there's probably about 100 different ways to do it
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