OT Construction Plumbing Question

[nostradamus]

No, they were original condos without anything shared except walls and vent shafts. I guess this is just a mystery case.

Thanks for your input! I thought there might be some lame construction ordinance requiring such silliness. I’m glad there isn’t.

[NotCranky]

Could have something to do with trying to isolate the area of noise generated by h20 travel in the pipes?You want to accomplish that as much as possible one way or another. Going under a slab is not popular now. It is still done but there are construction methods used to keep the copper from being eaten by chemicals leaching out of the slab and from being broken by earth or building movement.

[NotCranky]

Could have something to do with trying to isolate the area of noise generated by h20 travel in the pipes?You want to accomplish that as much as possible one way or another. Going under a slab is not popular now. It is still done but there are construction methods used to keep the copper from being eaten by chemicals leaching out of the slab and from being broken by earth or building movement.

[NotCranky]

Could have something to do with trying to isolate the area of noise generated by h20 travel in the pipes?You want to accomplish that as much as possible one way or another. Going under a slab is not popular now. It is still done but there are construction methods used to keep the copper from being eaten by chemicals leaching out of the slab and from being broken by earth or building movement.

[NotCranky]

Could have something to do with trying to isolate the area of noise generated by h20 travel in the pipes?You want to accomplish that as much as possible one way or another. Going under a slab is not popular now. It is still done but there are construction methods used to keep the copper from being eaten by chemicals leaching out of the slab and from being broken by earth or building movement.

[NotCranky]

Could have something to do with trying to isolate the area of noise generated by h20 travel in the pipes?You want to accomplish that as much as possible one way or another. Going under a slab is not popular now. It is still done but there are construction methods used to keep the copper from being eaten by chemicals leaching out of the slab and from being broken by earth or building movement.

[nostradamus]

I don’t see why they would ever put pipes under slab in the first place. Then again, I know nothing about construction. It just makes sense to me to have pipes that will not break or shift, and if they do leak they are accessible for repairs.

In order to achieve this I’d put pipes in between walls with foam or fiber to insulate the noise. I would also put the hot water heater inside the house, it doesn’t make sense to me that they’d have it outside in the cold. I would also put it as high as possible, like in the attic. Let gravity bring the hot water to you. Of course it would require extra precautions in case of leak or rupture. Wouldn’t want a flood coming out of the attic.

[nostradamus]

I don’t see why they would ever put pipes under slab in the first place. Then again, I know nothing about construction. It just makes sense to me to have pipes that will not break or shift, and if they do leak they are accessible for repairs.

In order to achieve this I’d put pipes in between walls with foam or fiber to insulate the noise. I would also put the hot water heater inside the house, it doesn’t make sense to me that they’d have it outside in the cold. I would also put it as high as possible, like in the attic. Let gravity bring the hot water to you. Of course it would require extra precautions in case of leak or rupture. Wouldn’t want a flood coming out of the attic.

[nostradamus]

I don’t see why they would ever put pipes under slab in the first place. Then again, I know nothing about construction. It just makes sense to me to have pipes that will not break or shift, and if they do leak they are accessible for repairs.

In order to achieve this I’d put pipes in between walls with foam or fiber to insulate the noise. I would also put the hot water heater inside the house, it doesn’t make sense to me that they’d have it outside in the cold. I would also put it as high as possible, like in the attic. Let gravity bring the hot water to you. Of course it would require extra precautions in case of leak or rupture. Wouldn’t want a flood coming out of the attic.

[nostradamus]

I don’t see why they would ever put pipes under slab in the first place. Then again, I know nothing about construction. It just makes sense to me to have pipes that will not break or shift, and if they do leak they are accessible for repairs.

In order to achieve this I’d put pipes in between walls with foam or fiber to insulate the noise. I would also put the hot water heater inside the house, it doesn’t make sense to me that they’d have it outside in the cold. I would also put it as high as possible, like in the attic. Let gravity bring the hot water to you. Of course it would require extra precautions in case of leak or rupture. Wouldn’t want a flood coming out of the attic.

[nostradamus]

I don’t see why they would ever put pipes under slab in the first place. Then again, I know nothing about construction. It just makes sense to me to have pipes that will not break or shift, and if they do leak they are accessible for repairs.

In order to achieve this I’d put pipes in between walls with foam or fiber to insulate the noise. I would also put the hot water heater inside the house, it doesn’t make sense to me that they’d have it outside in the cold. I would also put it as high as possible, like in the attic. Let gravity bring the hot water to you. Of course it would require extra precautions in case of leak or rupture. Wouldn’t want a flood coming out of the attic.

[NotCranky]

This is the story that I have heard….. Piping was always under the crawl space or in the basement, so when construction shifted more and more to slabs it seemed obvious to leave it there. Lessons were learned.
In some cases copper water pipes can still be put under the slab but they have to be wrapped in plastic or run in conduit and isolated from building movement. It is supposed to be silver brazed, instead of soldered or one piece (without joints). Islands with sinks require pipes underground for instance. It is put in conduit and should be copper not the increasingly popular plastic stuff.Depends on the jurisdiction and inspector.

[NotCranky]

This is the story that I have heard….. Piping was always under the crawl space or in the basement, so when construction shifted more and more to slabs it seemed obvious to leave it there. Lessons were learned.
In some cases copper water pipes can still be put under the slab but they have to be wrapped in plastic or run in conduit and isolated from building movement. It is supposed to be silver brazed, instead of soldered or one piece (without joints). Islands with sinks require pipes underground for instance. It is put in conduit and should be copper not the increasingly popular plastic stuff.Depends on the jurisdiction and inspector.

[NotCranky]

This is the story that I have heard….. Piping was always under the crawl space or in the basement, so when construction shifted more and more to slabs it seemed obvious to leave it there. Lessons were learned.
In some cases copper water pipes can still be put under the slab but they have to be wrapped in plastic or run in conduit and isolated from building movement. It is supposed to be silver brazed, instead of soldered or one piece (without joints). Islands with sinks require pipes underground for instance. It is put in conduit and should be copper not the increasingly popular plastic stuff.Depends on the jurisdiction and inspector.

[NotCranky]

This is the story that I have heard….. Piping was always under the crawl space or in the basement, so when construction shifted more and more to slabs it seemed obvious to leave it there. Lessons were learned.
In some cases copper water pipes can still be put under the slab but they have to be wrapped in plastic or run in conduit and isolated from building movement. It is supposed to be silver brazed, instead of soldered or one piece (without joints). Islands with sinks require pipes underground for instance. It is put in conduit and should be copper not the increasingly popular plastic stuff.Depends on the jurisdiction and inspector.

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