IACS Unified Requirement S31 - Renewal criteria hatch-covers. Covered by all member class societies.
Formula
$$ \text{IACS UR S31} \Rightarrow \text{Hull} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $S31$ | Renewal criteria hatch-covers | - | IACS website |
Sources
- IACS UR S31.