As first engineer, you are standing by the #3 deep fuel oil storage tank as a crew member is working inside the tank. Before entering the tank, the atmosphere was checked and determined safe for men to work. While standing by you notice that the crew member is not moving. After attempts to communicate with the downed mariner receives no response, what action would you take?
• Confined space entry procedures and risks, especially in fuel oil tanks • Dangers of oxygen deficiency and toxic vapors even after an atmosphere was previously tested safe • Proper use of SCBA (Self-Contained Breathing Apparatus) and rescue planning before entry
• If one person has collapsed in a confined space, what does that suggest about the atmosphere inside the space now? • What is the safest way to perform a rescue without creating more victims inside the tank? • Which option shows knowledge of proper confined space rescue procedures used on ships?
• Confirm which choices involve entering the tank without respiratory protection after someone has already gone down • Identify which option reflects immediate, practical rescue action rather than delaying for instructions • Check which choice aligns with standard confined space rescue practice: "do not send unprotected rescuers into a potentially hazardous atmosphere."
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