Which would be the appropriate arrangement for entering into a DB tank through the ductkeel?
Direct Answer
Option D: Separate enclosed space entry permit for both spaces including standby person outside both
Entering a duct keel and then a double-bottom tank constitutes entry into two distinct enclosed spaces. Each space requires a separate, valid enclosed space entry permit, as per SOLAS and ISGOTT. A dedicated standby person must be positioned outside each entry point to ensure continuous monitoring and immediate assistance for personnel inside.
All Options
Detailed Explanation & Context
Entering a duct keel and then a double-bottom tank constitutes entry into two distinct enclosed spaces. Each space requires a separate, valid enclosed space entry permit, as per SOLAS and ISGOTT. A dedicated standby person must be positioned outside each entry point to ensure continuous monitoring and immediate assistance for personnel inside.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).
Practice Full CHEMCO Set 11
Test yourself with 30 interactive questions, live timer, and instant score.