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General Factors
Soil Type – geotechnical surveys should be performed
Tank Type – may influence load distribution which may determine appropriate foundations
Environmental requirements of a release prevention barrier
Design Loads and Forces
Foundation Design Types
Concrete ring wall
Provides level surface for shell construction
Provides greatest assurance of meeting elevation tolerances around tank circumference
Better able to transfer shell loads to the supporting soil
Minimizes edge settlements and consequently shell distortions