All the land above sea level between 1'-20' soon (relatively) to be usurped by the measurable volumes of ice being depleted already have lots of pipe and struct

All the land above sea level between 1'-20' soon (relatively) to be usurped by the measurable volumes of ice being depleted already have lots of pipe and structural (piles and beams) infrastructure protected underground and may could be retrofitted to support the safe mode folding you are suggesting.