🔍 Key Concepts

• Purpose of watertight subdivision in floating offshore units • How damage stability is affected by internal compartmentation • What factors actually influence anchor holding and towing characteristics

💭 Think About

• Ask what happens to a semisubmersible if one column is damaged and floods. How do watertight decks and compartments change that outcome? • Consider whether internal horizontal watertight decks directly change the anchor’s holding power or the speed a tug can tow the unit. • Think about whether dividing a volume into more watertight spaces increases the total volume, or just changes what happens when one space is damaged and floods.

✅ Before You Answer

• Verify the main design reason for watertight subdivision in any ship or MODU: is it capacity, performance, or survivability after damage? • Check which choice refers specifically to behavior after flooding or structural damage. • Confirm that anchor holding mostly depends on anchor type, soil, and scope, not how the columns are subdivided.