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BUOYANCY BURIAL CALCULATOR
Burial Depth Buoyancy Check
Enter tank, burial, concrete, and riser details to check buoyancy against a 1.20 target safety factor.
Project
Prepared by
Tank diameter
in
Tank length
ft
in
Total burial depth
ft
in
Concrete thickness
in
Tank weight
lb
Riser quantity
Riser size
in
Riser shape
Ready
Enter values and click Calculate.
Calculated factor of safety
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Minimum burial depth without anchoring
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Notes
- Calculations are based on PEI RP-100 style buoyancy practice and Watco cylindrical tank manufacturing assumptions.
- This tool checks buoyancy only. It does not verify tank structural capacity, burial limits, site design, AHJ requirements, or non-Watco tanks.
- Maximum burial depth is 5 ft unless reviewed and approved by the tank manufacturer.
- Straps, deadman, and supplemental anchoring are not included in this tool.