Tank truck to marine vessel - Oil transfer
8. Transfer Hoses
Table of Content
- About This Manual
- 1. Introduction
- 2. Regulations and Guidelines
- 3. Responsibilities
- 4. Oil Transfer Locations
- 5. Tank Trucks
- 6. Static Discharge Protection
- 7. Nozzles
- 8. Transfer Hoses
- 9. Receiving Vessels
- 10. Contingency Planning
- 11. Operating Procedures
- Appendix A: Fuel transfer safety checklist
- Appendix B: BC Coastal marina contingency plan
There are many characteristics of transfer hoses that need to be considered.
Hoses must be properly:
Hoses should be a single length from tank truck to vessel. If more than one length of hose is required then special precautions are necessary to minimize risks.
Cargo hoses must be constructed of material suitable for the product being carried. When used in a marine environment, hoses must have a bursting pressure of at least 4 times their maximum working pressure.
Hoses must be visually inspected before each use, checking for signs of wear and fatigue. Do not use hoses that appear to be in poor condition.
All pressure hoses must be hydrostatically pressure-tested at least once per year, to at least 1½ times their maximum working pressure; the hose must bear a test tag showing the date, test pressure and name of the person or company carrying out the test. More frequent pressure-testing is encouraged.
Hoses should also be tested for electrical continuity when they are pressure-tested.
When in use, hoses must be protected from damage: do not allow hoses to be driven over, dragged over sharp objects, or damaged in any other way.
Hoses must not lay in the water where they can be damaged by marine traffic, floating logs, or pinched between the vessel and the dock.
8.5 Tidal Action
Hoses must be of suitable length to allow for tidal variations without being stressed. The time required for oil transfer, and the estimated tidal action must be accounted for.
- Connections may be either camlock, threaded or other suitable type; the locking tabs of camlock connections must be secured in the locked position
- Hoses must be properly supported, avoiding stress on the connections
- Connections must be liquid-tight and secure; no leakage may be tolerated
- Connections must not be made over water. When parted, connections should be contained by drip trays.
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