Hi. We're in the process of closing on a concrete block-and-slab house built in the 30s. It's been a dream of mine to have a stingray fish tank. What are the chances it will hold a 440-gallon fish tank that is 96" x 48" x 24"? We'd likely hire a structural engineer to get an accurate answer, but I'd rather not waste the money if it's a definite no from the start. #home