AIGF Exit Exam • Set 2 Question 5 of 30
What is the minimum clear opening of hatches or manholes through the length and breadth of the space?
✓
Direct Answer
Option B: not less than 600 mm by 800 mm at the height of not more than 600 mm from the bottom
For vertical access through the length and breadth of hold spaces, manholes must provide a minimum clear opening of not less than 600 mm by 800 mm at a sill height of not more than 600 mm.
All Options
A
less than 600 mm by 800 mm at the height of more than 600 mm from the bottom
B
not less than 600 mm by 800 mm at the height of not more than 600 mm from the bottom
(Correct Answer)
C
not less than 600 mm by 800 mm at the height of more than 600 mm from the bottom
D
less than 600 mm by 800 mm at the height of not more than 600 mm from the bottom
Detailed Explanation & Context
For vertical access through the length and breadth of hold spaces, manholes must provide a minimum clear opening of not less than 600 mm by 800 mm at a sill height of not more than 600 mm.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Ships subject to the IGF Code (AIGF).
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