Pool within a Pool, Does anyone have experience with this approach to a cement pool

[Ellen wilbur]

Hi. Our pool has unrepairable cracks. We like the idea of a smaller pool within a pool instead of a complete redo.
Does anyone have experience with this type of construction?
Are there engineering plans available for a rectangular pool ? Thank you !

 

[jimmythegreek]

Fiberglass pool inside of a gunite is the only thing I have seen similar. Having a hole doesn't save you that much overall on the cost. The thing that would concern me is why is the current pool cracked to this point of no returm