Concrete Bottom Remodel This pool has a crack and a separation of the concrete bottom of the pool. This is a competitors pool that is only 3 years old. Another view of the structural cracking in the floor of the pool. The pool has been drained to show the extent of damage to a competitors pool that is only 3 years old. Close up view of the separation and structural failure of the concrete. Excavator begins breaking up and removing the failed concrete bottom. Water table couldn't be controlled with the previously improperly installed sump line. Excavation to install a new sump line to control ground water. New sump line installed and the water table is controlled. Homeowner and project manager overlook the progress as pool is prepared for a new structural bottom. Re-bar and wire mesh is installed and anchored to the pool walls. Re-bar and wire mesh anchored to the existing bottom. Close up of connections to the re-enforced steel cage. Preparation of deep-end hopper is completed. Dual main drains are installed to meet safety codes. New pool bottom is poured.