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Old 06-12-2019, 01:15 PM   #1
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Default water pipe passing through a electrical room

Hi All,

I have a situation in which we are constructing a wall to divide an existing room to create an electrical room. There is an existing water pipe with water meter and a hose bib running through the space that will become the electrical room. The pipe is approximately 1.5 feet above the floor. My question is does OESC (Ontario Electrical Code) allows a water pipe running through the room. yes or No? which section of OESC deals with the above scenario.

Any help is much appreciated.

Thanks

Syed
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Old 06-12-2019, 01:59 PM   #2
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I don't have the answer but a question may come up as to whether the pipe is near the panel- It may help to explain that further
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Old 06-12-2019, 02:08 PM   #3
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Quote:
Originally Posted by haiderster View Post
Hi All,

I have a situation in which we are constructing a wall to divide an existing room to create an electrical room. There is an existing water pipe with water meter and a hose bib running through the space that will become the electrical room. The pipe is approximately 1.5 feet above the floor. My question is does OESC (Ontario Electrical Code) allows a water pipe running through the room. yes or No? which section of OESC deals with the above scenario.

Any help is much appreciated.

Thanks

Syed
Nothing in the electrical code, but possibly in the building code
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Old 06-12-2019, 04:14 PM   #4
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What's an electric room? If my MDP is in my living room, does that make my living room "the electric room"? It's a question which has been around forever. When you have equipment over certain thresholds you have special requirements for the area in which the equipment is located, egress requirements, etc., but what kind of equipment do you have that you're concerned about?
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Old 06-12-2019, 04:33 PM   #5
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I have an electrical room where a tray was put under the water pipes in case of a leak but generally the plumbers just go ahead and don't really give a sh!t. I get pissed off but nothing ever changes.


Tim.
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Old 06-12-2019, 04:41 PM   #6
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No Issues. It is in just about every installation, some even have sprinkler heads.

Cheers
John
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Old 06-12-2019, 06:13 PM   #7
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No Issues. It is in just about every installation, some even have sprinkler heads.

Cheers
John
It took 10 years begging to finally get the sprinklers removed from a industrial MCC. The insurance company finally agreed as long as we installed smoke detectors.

My fear was hitting one of the flowers with a stick of conduit and causing a million dollar mistake.
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Old 06-12-2019, 06:16 PM   #8
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The electrical room has main service terminating into a main breaker, 30KVA transformer and a lighting panel, two 40HP VFDs and 2 few instrumentation panels.

My only concern is what if there is a leak inside the room. Is that case covered somewhere in the code. Does the code allows running plumbing pipes through an electrical room? what if we provide some kind of cover across them?

Thanks

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Old 06-12-2019, 06:31 PM   #9
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This is all existing & you're just putting up a wall. Will it be inspected? Will the space be ventilated to keep humidity down? If the water pipe leaks, where will the water go? Does the floor drain actually work?
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Old 06-12-2019, 06:37 PM   #10
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what if we provide some kind of cover across them?
That may cause a bigger problem if they leak because you can't easily tell if they're leaking.
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Old 06-12-2019, 07:15 PM   #11
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No Issues. It is in just about every installation, some even have sprinkler heads.

Cheers
John
In my experience, most have sprinkler heads.

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Old 06-12-2019, 08:13 PM   #12
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The OP is not describing a fire sprinkler system.

For the effort involved, I suggest that the pipe is re-plumbed out of your hair.

It's going to stay in everyone's way forever, otherwise.
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Old 06-12-2019, 10:09 PM   #13
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I can’t speak to Ontario specifically but we just finished a electrical room in B.C. with an engineered water main running right over a 400A 600V MDP, meters, splitters and a 112 kva transformer.

It’s not a situation I prefer but o was stuck with it and Our inspector did not question it.
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Old 06-13-2019, 06:59 AM   #14
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Its my understanding that your system is designed for normal conditions. A leak is not a normal condition. Id be concerned about the hose bib though.

That being said, in practical terms you are right. I would tell the customer the situation. If they want to save some money and ignore it then its no longer your concern.

Some things you can do include gfi protecting the panel if possible, make sure everything has drip hoods and use wet location fittings on the top of the panel.

Last edited by gamer; 06-13-2019 at 07:17 AM.
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Old 06-13-2019, 07:58 AM   #15
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The OP is not describing a fire sprinkler system.

For the effort involved, I suggest that the pipe is re-plumbed out of your hair.

It's going to stay in everyone's way forever, otherwise.
Agreed. But I have seen more sprinkler heads leak then I have ever seen a straight piece of copper pipe leak. Especially when you are talking close tot he floor... this is a non-issue.

Cheers
John
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Old 06-13-2019, 08:24 AM   #16
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If the water line is not directly over a panel I would not worry about it, but again I don't know CEC or your area codes. I would assume if the plans are drawn that way then someone in planning looked at it and was okay with it.

Contact the inspection dept to be certain
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Old 06-13-2019, 11:44 AM   #17
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This reminds me of the time a local inspector tried to make me move a panel just because it was two feet away from a laundry tray. He came up with this one:
"You can't locate a panel within 10 feet of a water source" When I told him that was malarky and to quote me a source for that claim he dug in his heels and replied " I don't remember where I read it but someplace or another in the code book".



GC moved the laundry tray........... For a while.........................
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Old 06-13-2019, 11:47 AM   #18
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We are all talking about overhead water and I remember a case where the drain in a main electrical room backed up and I walked into 4 inches of water surrounding my 13.8KV distribution.


Tim.
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Old 06-13-2019, 11:51 AM   #19
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We are all talking about overhead water and I remember a case where the drain in a main electrical room backed up and I walked into 4 inches of water surrounding my 13.8KV distribution.


Tim.
That scenario can happen anytime there is a river within a mile or so of the building, after the snow up in Canada melts ...... I watch the news and its always someplace under ten feet of water in some state or another each spring.
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Old 06-13-2019, 11:54 AM   #20
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This was construction related. We put in a new fancy looking waterfall and a pond at the other end of a waiting area. The plumbers tied into an old 4 inch drain and when they emptied the pond or waterfall area, it backed up into our electrical room. A quick Roto Rooter fixed that up in a hurry.


Tim.
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