Structure requirements

High-level requirements for the structure

1) Reasonably safe in the deep ocean environment

2) Stable enough to live and work on

The above two points can be better summed up as meeting or exceeding standards for off-shore accommodations established by the American Bureau of Ships or another classification society=

3) Affordable price/living-area ratio

4) Accessible by support vessels for people and supplies

5) Graceful failure modes

6) Long lifespan

7) Modularity

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) Scalable to community level