masanori Posted November 27, 2010 Report Share Posted November 27, 2010 A few months back We had a gunite shell installed. The shell is 8 inches thick on the bottom 12 inches on the sides. When the hole was dug item 4 was put in the deep side. Do I need to fill the pool with water? I was told by my pool builder to add water up to the first step. That would be aprox 14000 gals. Im not sure why it needs water. In the spring it will all be wasted Quote Link to comment Share on other sites More sharing options...
quantumchromodynamics Posted November 28, 2010 Report Share Posted November 28, 2010 The water will help keep the shell in the ground. If you get a high water table, the shell could be pushed up by the hydrostatic pressure. Also, if you don't follow the builder's instructions, then they could blame you for a variety of problems. Following their instructions helps to keep them responsible for the results. What is "item 4"? Quote Link to comment Share on other sites More sharing options...
masanori Posted November 28, 2010 Author Report Share Posted November 28, 2010 The water will help keep the shell in the ground. If you get a high water table, the shell could be pushed up by the hydrostatic pressure. Also, if you don't follow the builder's instructions, then they could blame you for a variety of problems. Following their instructions helps to keep them responsible for the results. What is "item 4"? Item 4 is gravel. I also have hydrostatic valves in the pool. I called the pool builder and he states he wants the water to freeze not the shell Quote Link to comment Share on other sites More sharing options...
quantumchromodynamics Posted November 28, 2010 Report Share Posted November 28, 2010 I would follow the builder's instructions. That way, if there is a problem, such as structural cracks, the builder can't blame you for not doing what they ask. It does make sense that the water will act as an insulator and protect the shell from getting too cold. Quote Link to comment Share on other sites More sharing options...
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