Internal Tank Inspections Services

Complete inspection following API-653 Out-of Service inspection checklist. Minimum of three thickness readings per each course per drop. Minimum of five thickness readings per each full roof plate. Minimum of five thickness readings per each full bottom plate. Vacuum box testing of all bottom lap welds and shell to bottom welds (corner welds). Magnetic particle test nozzle welds and bottom-to-shell weld (or corner box) if tank is properly prepared. Visual inspection with photographs and/or record of any visible defects. Thickness reading for all accessible nozzles. Shell layout drawings. Roof layout drawings. Bottom layout drawings. Nozzle layout drawings. Bottom settlement survey. Post inspection meeting to discuss findings. Recommendations and/or observations. Summary of inspection findings. Final formal report.