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Old 05-20-2014, 02:27 PM  
Chris
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The pipe that we use only has a couple rows of holes all down the pipe so the bottom will still flow water. We also set the pipe on the bottom and then cover with rock or you have to wait until water fills the void before it starts draining. We mainly use this system for flood control. One of my mountain houses is the oldest house on the street and the other pads have all been built up so the street water flows through my property and threatens to flood the house, we put one of these around the house and it diverts the water pretty good. We don't have huge issues of ground water around here so most of the time we just slope the dirt away from the home and we are all good.



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Old 05-20-2014, 05:08 PM  
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Today all basement holes are dug 10ft bigger than the house so five ft all around as the back fill is disturbed soil and surface water will make it's way to the bottom of the footing. You don't really want to any deeper than the bottom of the footing, as water in the soil under the footing is adding to ther support of the house in many older houses when they weren't so picky on soil conditions.
The last thing you want is to hold water in the soil, it just adds tons of weight pushing on the wall. You don't put polu under the pipe.



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Old 05-20-2014, 07:33 PM  
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Makes sense, we don't have basements here.


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Old 05-20-2014, 08:04 PM  
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Keep in mind the gravelunder the pipe will carry water away for years before it plugs up and then the pipe really starts to work.
This guy appears to use poly over the gravel but it should be fabric or filter paper.
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Old 05-20-2014, 08:22 PM  
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Can we agree : Weeping tile plumbing system is intended for a flood situations. maybe once a year?
Weeping tiles (you can call it a french drain if you like, I don't mind) are intended to carry excess water away from your foundation. The earth actually does a good job of absorbing and distributing water in most cases. But in the spring, during thaw, or a couple of days of heavy rain, even a dry basement may be threatened by the amount of water that the soil can't absorb. The word flood is a little misleading.

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...because the water will be drawn through the grave to the pipe but then without enough of a flood it will just drain...bellow the footer!
If the ground is not saturated, this amount of water is not a problem. If the soil can't hold anymore water, it will find its way to the pipe and can flow away. Of course, if your foundation wall is porous, you have a bigger issue than just needing weeping tile. That's why you usually see some kind of integrated system of waterproofing the exterior wall, maybe adding a curtain drain and plenty of gravel while you have the trench open and you have access to the exterior of the foundation wall.

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The other solution is above the gravel could be 2'x2' of open cell foam to absorb any rain water. This would work as a filter too. I guess nobody has tried this.
Why anybody would want to trap the water in a big sponge right outside their house and let it stay there until who knows when....well, that I can't answer. I also have a hunch that the weight of the soil would crush that sponge pretty completely. And open cell foam rots too quick.
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Old 05-21-2014, 08:20 AM  
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I don't know about that apple drain video.
He didn't wash the wall before the tar, how will it stick? Should be blue seal vapor barrier there i think too. This magic filter fabric will last how long before rotting?

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Old 05-21-2014, 02:27 PM  
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Yeah, the Apple Drain video isn't perfect. Any body viewing that would think you only have to dig down a foot. But if you have a basement......

Landscape cloth - Geocloth - can last for years. I'm not talking about the the stuff at your local big box garden center.

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Old 05-21-2014, 05:32 PM  
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We see all kinds of stuff being done all in the same area for a bunch of reasons, Yes the wall should have been cleaned. If the wall has honey comb or small cracks the stick a poly to the wall while the coating is still wet. They use something black in a caulking tupe to cover all the holes where form ties held the forms together when the concrete was poored. If the soil is clay based the put a dimped sheet against the wall to give the water a path to the bottom.

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Old 06-03-2014, 12:06 PM  
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I found out some more interesting info.
Gravel = no good
Why? Gravel will sink bellow plastic pipe unless you anchor it some how and still the gravel will be under there.
So one company says they use 3-4 big-o filter pipes instead. Seems like a good plan. I can probably hand shovel the dirt back in when by hand? gravel would be a lot more work too. The pipes should be the same or better than the gravel to attract water. Maybe keep the middle one with the holes on the sides ? for the trickle water.

/watch?v=3s9PeRtpkN4

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Old 06-03-2014, 01:18 PM  
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Not sure why you ask advice, you always do your own research until you find the one guy who agrees with some idea that you have.



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