Sin autem propter fluctus aut impetus aperti pelagi destinae arcas non potuerint continere, tunc ab ipsa terra sive crepidine pulvinus quam firmissime struatur, isque pulvinus exaequata struatur planitia minus quam dimidiae partis, reliquum quod est proxime litus, proclinatum latus habeat.
But if on account of the breakers or the violence of the open sea, the supports cannot uphold the dams, then a platform is to be laid, as firmly as possible, starting from the edge of the shore or from a breakwater. This platform is to be laid with a level top (towards the sea) less than half its width; towards the shore, it is to have a sloping side.
final_alignments\Vitruvius_Architecture_Book_5.json