Perforation of deck plates at localized spots if -and only if SRB/IOB are present (0 - 8 years)

Perforation of superstructure at localized spots if and only if SRB/IOB are present (0 - 12 years)

Perforation of hull plate at localized spots if and only if SRB/IOB are present (8 - 38 years)

Collapse and disintegration of internal decks and walls (83 - 95 years)

The loss of all structures above the hull (108 - 183 years)

Exposure of all of heavy mechanical equipment in the bowels of the ship (e.g., boilers, turbines core parts etc.) (208 - 308 years)

Fracturing and collapse of the hull plates (208 - 308 years)

Exposure of the double bottom hull (295 years)

Final extinction of the remaining resident structures (420 years and beyond)