The pool has shifted causing the south/east corner to drop by 1/2". The deck in the area has done the same. Next, the spa has shifted 1/4" so the water is higher on the east side vs west side. None of these issues were present on Friday!
I have an appointment with the engineer, geo-engineer as well as the owner of geo-technical services which is the company that is filling the void under our pool equipment room and heater area this afternoon to develop a plan to resolve these issues.
Initial thoughts are that water had gotten under the pools and shifted as it began to dry or found another cavity. This will most likely result in our removing the remainder of the pool deck to perform tests.
In addition to the above, tests were performed today to determine how far down the concrete will need to be poured under the building from the wash out of the sub-dirt. The area under the heater deck will require filling down to 25 feet below the slab. As of this time, they have tested down to 32 feet in the pool equipment room and have not yet hit bottom.
Based on the depth of these caverns, we need to test and confirm that the caverns on the pool deck filled at 4' depth are the only ones at the pool deck. It is possible that a deeper cavern exists below the pipelines and we need to perform a series of tests and reports from our engineers and geo-engineers.
Bottom line, all of this creates a safety issue in the pool area that needs to be properly diagnosed and repaired prior to permitting anyone to use the pools. It would not be safe to permit residents to walk on a sinking pool deck and swim in a pool that has shifted. As you know, I was very hopeful last Friday that we will be open before the Fall Harvest event on October 17th. In fact, I came out to the community center to inspect the plastic sheeting over the trenches after the rain on Sunday to assure they were in place and that the trenches were dry. The plastic was filled with 8" of water over the trenches and I used a wet vac to remove the water in hopes of finishing filling the trenches today. No one is more disappointed than I that we could not deliver the pool back for use in two weeks, but your safety must remain our primary concern.