The experts at Equity Engineering Group discuss the application of API 579-1/ ASME FFS-1 Fitness-for-Service to aboveground storage tanks.
API 579-1/ASME FFS-1 Fitness-For-Service (API 579) is the go-to standard for assessment of fitness- for-service (FFS) of fixed equipment. Aboveground storage tanks (ASTs) designed to API 650 Welded Tanks for Oil Storage and API 620 Design and Construction of Large, Welded, Low- Pressure Storage Tanks are specifically included in the scope of API 579. The assessment procedures in API 579 may also be applied to pressure- containing equipment constructed to other recognised codes and standards, including international and internal corporate standards.
API 579 APPLICABILITY TO ASTS
API 653 Tank Inspection, Repair, Alteration, and Reconstruction is the main in-service standard for ASTs. There are a few, limited FFS methodologies provided in API 653, primarily for shell thinning and pitting, and shell and bottom settlement. In situations ...
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