Advanced & Specialized
Aboveground storage tanks — the focus of API 653 inspection programs.
Overview
Cave Inspection Ltd. supports API inspection programs for pressure equipment, piping, and aboveground storage tanks. Our technicians provide the NDE methods and documentation that API-certified inspectors and owner-users rely on to meet code and regulatory requirements.
API 653 — Tank Inspection
API 653 covers the inspection, repair, alteration, and reconstruction of aboveground steel storage tanks used in the petroleum and chemical industries. We support API 653 tank programs with:
- Visual examination of shells, roofs, floors, nozzles, and appurtenances
- Ultrasonic thickness surveys and corrosion mapping
- Magnetic particle and liquid penetrant testing of welds and critical areas
- Vacuum box testing of floor and shell weld seams
- Settlement and out-of-roundness support measurements as required by the inspection plan
Whether for in-service inspection intervals, internal outages, or repair verification, our team works to the owner’s API 653 inspection plan and applicable acceptance criteria.
Other API Programs
- API 510 — pressure vessel inspection support
- API 570 — piping inspection support
- Turnaround and fabrication NDE aligned with client API specifications
What We Deliver
- CGSB-qualified technicians and multi-method capability
- Clear reports suitable for API inspector and owner-user review
- Level III support for procedures and personnel qualification
- Coordination with plant, tank, and turnaround schedules