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Tanks Hydrotesting

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Inchtain

Petroleum
Joined
Feb 21, 2021
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151
Location
LY
Hello,

With regards to hydro testing of tanks which had undergone major repairs like bottom or shell plates replacements, how can I calculate the test pressure for a tank with the following design data:

- Crude Oil Fixed Doom Roof Tank
- Construction Code: API 650 Appendix F
- Design Pressure/Vaccum: 3.45 kPag / 0.5 kPag (51 mmH2O)
- Working Pressure: 0.9 to 1.5 kPag
- Max. Operating Temperature: 90 degrees Celsius.

Or, it is enough to fill the Tank to the maximum liquid level.

Additionally, how many hours shall be the duration of the test?

Thank you.
 
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