Structure requirements
High-level requirements for the structure
1) Reasonably safe in the deep ocean environment
2) Stable enough to live and work on
3) Affordable price/living-area ratio
4) Accessible by support vessels for people and supplies
Other goals for structure
1) Room for solar or wind systems for energy independence
2) Space for farming
3) Minimize structure motion due to waves
4) Movable, not just floating
5) Minimum sized structure small enough for one family
6) Modular so can grow a community