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. pilot projects in cartagena - to test out the options of small scale floating concrete platforms - honeycomb structures, shell structures, foam structures - all has been tested in small scale pilot projects.

As you go from (expensive) naval building techniques to (much more economic) civil engineering techniques the cost per cubic meter living space drops to a level that can be compared to land based housing cost.

On a macro level the dayly job of the worker casting concrete in place is no different from building a new floor in a highrise building - so the question if the building site is on the water or on land does not really matter in the building cost balance sheet.

The cost of bringing in workers to the building site makes no differnce - having things delivered in Truck or in Boat is also no essencial difference. Docking fees and parking fees - widley the same. What you can / cannot / do a few feet from shore differs from bay to bay - in a desert region where nobody lives, things are different to the shorefront of New York Harbor. In Practice interference will not come from a "Government" but most likley from local shoreside interest. A good example is the LOZMAN floating home case currently in the supreme court in Florida where a floating home collided with shoreside real estate interests.

Here in Cartagena a floating Marina in Manga was crossed by a "neighborhood initative" an hour coast up a similar marina is working without problem. The question what kind of structures you can create where, and how you scout for the right places is probably best analyzed in this thread it is speaking about scouting the caribbean especially the colombian coast for building sites - but the principals for a competent site search are the same everywhere in the world.

Surface Floating Concepts:

The axes of ocean colonization / floating real estate building lots on the water / Plate Seastead - Plate Floating Element for Ocean Colonization / Catamaran Concrete Floating Elements - Base for Ocean Living / Floating Concrete Breakwater Marina / Ocean colonization how to get there / Ramform ship island as ocean base mobile stable scaleable / small honeycomb floating concrete structures in cartagena / Seabreaks for dampening colossal ocean waves / Ocean colonization technology / Ocean colonization company / Oustanding floating concrete structures / ocean colonization general considerations / Interesting projects for ocean colonization / Aquaculture, business, trade, mininig, energy, salvage, making money afloat /

Submerged Concepts:

The captain nemo float out - seasteading / Sub movement finished - Submarine Yacht / Is submarine living space expensive? / concrete pressure vessel / Concrete submarine project / submarine yacht / concrete submarine yacht supporter club / Submerged living space bubble concept basics / Exotic Submerged Bubble Hotel / sea orbiter / Current Turbine Concrete Hull /