The keel will lie on sand and hardbottom at 140'. The 10'x30' crow's nest platform and the dish antennas will be only 40' from the surface. Most of the deck structures will be at 50'-90'. 7'x10' holes will offer access to the top 4 decks. 18 stair towers, elevator shafts, and cargo hold shafts will offer vertical access. |