API 653 is a standard developed and published by the American Petroleum Institute (API) that covers the inspection, repair, alteration, and reconstruction of steel aboveground storage tanks used in the petroleum and chemical industries. It was originally published in January of 1991, and the most recent 5th edition was released in November of 2014.
The scope of API 653 includes:
- Carbon and low alloy steel tanks built to API Standard 650 and its predecessor API 12C
- Maintenance inspection, repair, alteration, relocation, and reconstruction of such tanks
- The foundation, bottom, shell, structure, roof, attached appurtenances, and nozzles to the face of the first flange, first threaded joint, or first welding-end connection
API 653 is intended for use by organizations that maintain or have access to engineering and inspection personnel technically trained and experienced in tank design, fabrication, repair, construction, and inspection. It recognizes fitness-for-service assessment concepts for evaluating in-service degradation of pressure containing components.
The API 653 Aboveground Storage Tank Inspector Certification Examination is designed to identify individuals who have satisfied the minimum qualifications specified in API Standard 653, Tank Inspection, Repair, Alteration, and Reconstruction. The exam is valid for a three-year term and is accredited by the American National Standards Institute (ANSI).
Here are some of the benefits of using API 653:
- It provides a consistent set of requirements for the inspection, repair, alteration, and reconstruction of aboveground storage tanks.
- It helps to ensure the safety and integrity of these tanks.
- It can help to reduce the risk of spills and leaks.
- It can help to improve the efficiency of tank operations.
- It can help to reduce the cost of tank ownership and maintenance.
If you are responsible for the inspection, repair, alteration, or reconstruction of aboveground storage tanks, then you should be familiar with API 653. It is an important standard that can help to ensure the safety and integrity of these tanks.
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