Gratuitous Pool Construction Pics

When I was last posting about this build, I was being educated on proper diverter values. I learned the lesson and put in some good ones. Have some actuators arriving Friday to put on these.
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The one on the left in the picture has the shallow end returns and the jets in the buddy seat. The one on the right goes between the deep end and the water fall feature.

I didn't post any pics of the completed equipment pad last time, so here are a couple of those. We kept the cheep ball valves on the intake side for now... have a bet going with one of the installers on how long those will last.
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Does your area require electric inspection? That would have failed where I live for lack of working clearance of those panels.
 
A single 2" suction point can handle alot of flow, its not a restriction
I could be all wrong about what's going on, that's for sure. I was basing my guess on information from this Hydraulics 101 thread, as well as the simple fact that it was generating a fair amount of cavitation which (I believe) indicates the supply-side is insufficient relative to the return back pressure.

Are we talking about sheer descents or natural rock flows?
They will be sheer descents, probably these from INYO Pools because they are the cheapest I can find. It's ridiculous how expensive these stupid PVC formed boxes are!
 
So... I'm starting a pool of the betting variety.

I need to fill my pool to the skimmer level so I can get an accurate measure of the GPM on the waterfall return. However, none of the water suppliers in my area can make it out to me until next Friday the 16th. So, the wife and I have decided to see if we can fill the pool off the garden hose.

We are on well water.

According to my pool specs, I have 568 square feet of swim area. The water level needs to rise 1 foot. That's 4,250 gallons of water. My hose is on a timer to run for 1 hour, twice a day.

Here is the bet.

If I started last night at midnight, assuming no rain is forecast for the next week, how many days will it before before I run my well dry?


** footnote: There is an oxidizing filter just downstream from the pressure tank that we had installed years back specifically to address iron in the water so we should be good regarding the typical concerns over filling a pool from a well. I think.
 
So, for anyone wondering, it took a solid week at 2 hours a day to fill my pool off the well. Water is crystal clear and none of the neighbors complained about needing to have their wells hydro-fracked. I call that a win!

Also, my super awesome toys came in....
too-lazy-to-turn-things.jpg
 
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So, a few updates for anyone following along.
  1. I finally got my TF Pro Salt with Speed Stir Technology! I'm officially a member of the Cool Kids Club(tm) now!

  2. My wife decided the 4' sheer descent waterfall was too narrow, so now considering doing something like this since is has a much lower GPM requirement...
    1621347402806.png... anyone have any experience with them who could tell me how they look/sound?

  3. It seems the cost of concrete has gone way up in my area, to the point where switching over to pavers was actually minimal cost increase for the patio. Have a color picked out and ordering them today. Now looking at another 3 weeks before patio installation can begin, but no longer have to worry about how the coping forms will be attached. Kids are itching to use the pool so I may have to resurrect "the dock" even though there is no longer a moat.

  4. I've got a pool that looks like the moon... more to come on that in a moment.
 

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So, here is what we see when we turn the pool light on at night...

moonscape pool 1.jpg

moonscape pool 2.jpg moonscape pool 3.jpg

I completely understand that some settling or depressions can happen around vinyl liner pools. However, this just seems totally outside what could be considered normal. Aside from the fact we never want to turn our light on again because it looks like some alien landscape, I'm rather concerned about one particularly large depression. The pictures don't quite do it justice since there is no sense of depth, but the thing looks to be about a foot across, a couple inches deep, and sided by rocks. Here is a top-down pic of it...

moonscape troubles.jpg

I'm concerned this is just going to cause the liner to fail.

Thoughts? I'm waiting on the installer to call me back, but I'm 99.99% positive he is just going to say "settling is normal, it's just aesthetic, nothing I can or will do about it."
 
Unfortunately, no. I do have a picture with the light on from last year, perhaps a week after water went in. There is one visible divot that we knew about that someone was created during installation but missed/overlooked until after the liner was in and pool was filled. We were not happy about it, but it wasn't enough of an issue to make a massive stink over.

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i don't think a properly installed pool base should settle - if you had overdig then i suspect it should have been filled with compacted base to bring it back and there should be no voids - I am not an expert, I only know what i know from being here and getting my own pool done, but my PB said that I should think of my vermiculate bottom as solid and permanent with no movement.
 
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I would not consider that normal in any way. The ground under the vermiculite should be "virgin" for the most part and compacted as such. Like @jamjam stated, if there were overdig areas they should have been compacted or filled with non settling material like the backfill stone.

When I was digging my pool last summer I had the track hoe operator dig a little overdig hole, the size of the bucket, in the bottom of the hopper that I was able to rake the dirt I was shaving off the walls sloping down to the hopper into. It just made it easy for him to dig out and less work on me. Once I was done I had him use the bucket to pound in a few inches at a time till the bucket sized hole was full and compacted. I then added stone over that and further compacted with a hand tamp. I actually hand tamped most of the hopper bottom and slope from shallow end down to hopper prior to vermiculite going down.

I helped a guy replace a liner last summer in a pool that was 15+ years old...and for the most part the vermiculite looked like I would imagine it did the day it was put in. We did use a quikrete hydraulic cement to patch some minor divots and cracks, other than that it was fine with no settling what so ever.
 
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is it possible you had significant groundwater intrusion? It almost looks like washout. Also, what's the chances that part of the ground froze over the winter and you had heaving?
 
Ground water is possible. But then again, these idiots back-filled with dirt (against my wishes) and bony dirt at that. I was told over and over by the PB that the spring rains would settle the dirt enough to do my patio this year. It is entirely possible, nay, entirely likely that the rains settled the back-fill but also ran down and caused this problem.

Joy.

I suppose the question is... can I get the PB to fix this or will it be coming out of my pocket.
 
my PB used excavated back fill as well - and they never segregated the grass either. I was out there trying to pick clumps of grass out
 

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