The hull shall be sufficiently strong to withstand all of the stresses to which it is normally subjected. (a) In the case of newly built vessels or major conversions affecting vessel strength, adequate strength shall be demonstrated by presenting design calculation proof. ###>PARTIE II CHAPITRE 3 EXIGENCES RELATIVES À LA CONSTRUCTION NAVALE Article 3.01 Règle fondamentale Les bateaux doivent être construits selon les règles de l'art.