Question 3197 Deck General

The correct answer is D) establish and maintain flooding boundaries. When the underwater hull of a MODU (Mobile Offshore Drilling Unit) is severely damaged, the primary course of action is to establish and maintain flooding boundaries. This involves quickly identifying the source of the flooding, isolating the damaged compartment(s), and containing the water to prevent the entire vessel from sinking. Establishing these flooding boundaries is critical to maintaining the stability and buoyancy of the MODU. The other options, such as dewatering the compartment (A) or counter-flooding (B), may be considered secondary actions once the flooding boundaries have been secured. Securing power to the compartment (C) is not an appropriate initial response, as it does not directly address the need to control the flooding.