Tanker Op - Tank-freeing (hot work)
Tank-freeing (hot work) procedure card: Permit-to-work + gas-free test.
Description
Permit-to-work + gas-free test
Formula, assumptions, and limits
Tank-freeing (hot work) procedure - Permit-to-work + gas-free test. Refer ISGOTT 6th Edition for full procedure and checklists.
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| Permit-to-work + gas-free test | - | ISGOTT 6 |