when the liner is in and the pool full of water the weight counteracts it and keeps it somewhat away. In any yard water will collect if its there in the deepest open area, in your yard its your pool. If you had groundwater coming in while doing the liner swap you either have an underground vein or the ground could still be rather wet from recent rains. Water is going to saturate the earth around the pool no matter where you collect it from. The pump removes all the water collected by the french drains. At the bottom of the pit is a sump pump with float that runs 24/7. In the trench are perforated pipes that lead to a 10 foot deep pit that constantly fills with water even in the middle of the hottest summer. The whole thing is about 50 feet long, about 25 feet on each side. The two uphill sides now have a 18" wide 5 to 7 foot deep trench filled with gravel. I had the same basic ground water issue with my gunite pool. The depth of the trench, and amount of gravel, would depend on how much ground water you want to remove. At the top of the trench, would be a solid pipe that would be connected to surface drains to collect the surface water and route it around your pool. Obviously a perforated pipe wrapped with ground cloth and buried in a rocks or gravel. At the bottom would be a french drain to collect the ground water. Seems like you should be able to install a combination French Drain and Surface drain in the same trench. I mean would you install a deep french drain beside the pool or would you consider vertical french drains? They were pumping about 1 gallon per minute of spring water while working on our pool, btw. Would you do anything to address this underground stream because my pool contractor didn't seem to think it needed addressing or could be. The pump will only be used again when a new liner is installed. After all the work was complete and the pool nearly full, they then unplugged the pump and hid the cord behind the liner in one corner. They had to install a pump (submerged) in the deep end and constantly pump the water out in order to make necessary repairs and then install the new liner. Lastly, I had the pool liner replaced last week and we discovered a small underground stream running beside or under my pool. Would you do both or is that overkill? I realize you cannot see my yard but I just want to remove as much runoff as possible. Should I instead run a french drain along the side of my concrete deck? This would help drain water coming off my deck as well as water coming off the yard? This would seem the best solution BUT how would I insure no water draining off the concrete deck would seep behind the french drain and run under the deck, which is what I am trying to avoid?ģ. This of course would only suffice to drain water coming off the deck.Ģ. Should I install brick pavers along the edge of my concrete deck to dam up the water which runs off the deck? I could then install drains in various places and drain this runoff away from my pool versus letting the ground soak it up. I am going to install gutters on the back of the house and drain the runoff to the back of the yard. I would like to address this runoff and an underground stream. So there is about a 3ft drop from the back of our house to one side of the pool which is 20ft away. Our backyard slopes downward where the pool is. I am contemplating adding some drainage around my pool and would like your thoughts.
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