What Is API 653? Unraveling the Criteria for Aboveground Storage Tanks
In the intricate world of oil and gas, ensuring the integrity of storage tanks is paramount for both economic stability and environmental safety. The API 653 standard, developed by the American Petroleum Institute (API), is a critical framework guiding the inspection, repair, alteration, and reconstruction of aboveground storage tanks (ASTs). These tanks are pivotal for storing petroleum, chemicals, and other related materials.
#### Purpose of API 653
API 653 serves as a comprehensive guide for maintaining and ensuring the safety of large ASTs in the petroleum and chemical sectors. It establishes precise criteria to prevent leaks that can result in severe economic and environmental damage. This standard addresses various aspects of AST maintenance, including minimum inspection intervals, inspection techniques, and repair approaches.
#### Key Components of API 653
1. **Design and Construction**
– API 653 intersects with API 650, which outlines specific requirements for the design and construction of large ASTs. This intersection is crucial for understanding the structural integrity of these tanks.
2. **Inspection Techniques**
– The standard includes guidelines for in-service inspection techniques. This is vitally important for identifying damage mechanisms (API 571) and ensuring cathodic protection (API RP 651) is implemented effectively. Inspectors also need to be knowledgeable about lining tank bottoms (API RP 652) and retirement thickness calculations.
3. **Repair and Alteration**
– API 653 guides the repair approaches necessary for preserving the reliability of ASTs. This includes detailed procedures for addressing various types of damage mechanisms and ensuring that all repairs meet stringent safety and regulatory standards.
4. **Regulatory Compliance**
– The standard is designed to ensure compliance with safety and environmental regulations. By following the API 653 guidelines, professionals can avoid regulatory pitfalls and maintain a safe operating environment.
#### Importance of API 653 Training
To effectively implement API 653 guidelines, professionals in the