About this Training
Aboveground storage tanks (ASTs) are vital for the safe storage of crude oil, refined products, and chemicals across the energy and process industries. This course provides a comprehensive understanding of API 653, which governs the inspection, repair, alteration, and reconstruction of aboveground storage tanks. Participants will gain both theoretical knowledge and practical guidance on compliance with international codes, inspection techniques, and maintenance strategies.
The course equips engineers and inspectors with the tools to evaluate the structural integrity of tanks, identify risks of corrosion and leaks, and apply safe repair methodologies. Emphasis is placed on understanding inspection intervals, fitness-for-service evaluations, and how to apply API 653 in conjunction with API 650 and API 620 standards.
Through real-world case studies and problem-solving exercises, attendees will develop the competence to oversee inspection programs, extend tank service life, and ensure safety while minimizing downtime. This training bridges the gap between regulations and field application, empowering professionals to make informed decisions in tank integrity management.
Q1. What is API 653 and why is it important?
API 653 is the standard for inspection, repair, alteration, and reconstruction of aboveground storage tanks. It ensures tanks remain safe, structurally sound, and compliant with environmental regulations, making it essential for storage terminals, refineries, and midstream operations.
Q2. How often should aboveground storage tanks be inspected?
Inspection intervals depend on factors like tank age, service, and condition, but API 653 generally requires external inspections every 5 years and internal inspections every 10 years, unless risk assessments justify different intervals.
Q3. What are common problems found during tank inspections?
Typical issues include corrosion, pitting, weld cracking, settlement, foundation damage, and leakage. Early detection allows operators to repair defects before they compromise safety and environmental compliance.
Q4. How does API 653 relate to API 650 and API 620?
API 650 covers the design and construction of new tanks, API 620 addresses low-pressure tanks, and API 653 governs inspection and repair of tanks already in service. Together, they form a complete lifecycle standard for aboveground storage tanks.
Q5. What repair methods are allowed under API 653?
API 653 outlines procedures for welding, bottom replacement, shell patching, roof repairs, and nozzle modifications. Repairs must follow specific code requirements to maintain tank integrity and regulatory compliance.
Q6. What industries most commonly apply API 653?
The standard is widely used in oil and gas refineries, chemical plants, storage terminals, and power generation facilities—anywhere bulk liquids are stored in aboveground tanks.