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Thread: Someone with experience and/or an engineering mind, please!

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    Someone with experience and/or an engineering mind, please!

    Ok, I am beyond frustrated! I am still trying to level this 20' diameter clay/gravel pit that we had "roughly" excavated about 1'. I have been spinning my wheels out there for weeks trying to get the bottom level for our 18'x52" Intex Ultra pool. I was leveling with the lowest point, when I hit my husband's drainage pipe that is connected to the drain tiles he put around our patio. I have had to completely reverse my strategy and use this relatively high point instead. Unfortunately, I discovered this after removing the clay soil from the center to level with low side. Now, I'm faced with having to build this and the low side back up with clay. I read where someone has deliberately made their Intex pool have a gradient depth. I am wondering if it would be ok to have a gentle slope to the center. This would mean that aprox 6' diameter area in center being 3-4" inches below outer edge with all pavers leveled and set on undisturbed clay. As far as the drainage pipe, I am fairly certain it will be ok under the weight of pool. This is a 3" dia heavy PVC pipe that slices through aprox 1/4 of site. It enters at roughly 2 o'clock and exits 5 o'clock. It is still buried, the small area that has a thin strip on top exposed is at 2 o'clock. It is below the level of the two paver's it is centered between. The buried portion will still be a couple feet from the lower center area. We are going to finish the bottom with a shallow layer of sand and 1/2" extruded foam covered with a tarp. I know this is complicated, but I would really appreciate someone with experience and/or an engineering mind to tell me if this might work. The amount of work this would save is huge, and I think it would be cool to have a deeper center, so I'm really really hoping it will.
    20k gallon IG Vinyl, Sand filter, 1hp hayward, polaris 280

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    docchop1's Avatar
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    Apr 2011
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    Re: Someone with experience and/or an engineering mind, plea

    This would mean that aprox 6' diameter area in center being 3-4" inches below outer edge with all pavers leveled and set on undisturbed clay.
    I think the outer edge and pavers being level is the most important thing you have said and it sounds like you are on the right track.

    Last year my 15' intex metal frame sloped gently toward the center a few inches, kind of like a saucer, and it didn't cause any ill effects. If the slope is gentle the liner stretch will be minimal. I also believe you are spot on in thinking that the 3"pvc pipe can easily support the weight that will be on it. It's still buried and will have a little sand and some insulation board above it and my guess is that you wont even be able to tell where it's at once you are finished. Building up to place a pool is generally considered the last alternative but you seem to be heading in the right directions. You can do this! Keep up the good work.
    Intex 15x48, Intex Saltwater Chlorine Generator, Intex 14" Sand Filter, TF-100 unicorn eating spaghetti while riding a unicycle on a high wire during a storm edition test kit,

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