Frequency and type of hatch-cover weathertightness tests per IACS UR Z7 and ship’s Planned Maintenance System.
Formula
$$ \text{Interval} = f(\text{test type}) $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $Test type$ | Chalk / hose / ultrasonic / light | - | ship procedure |
Sources
- IACS UR Z7.
- ASTM E1002.