Inspection and Management Services
Types of Services
DJA's services may be utilized as a total management concept or we will be happy to serve your needs on an item to item basis. Our Services include:
- Tank Inspections
- Experienced Tank Inspectors
- Construction Supervisors
- Tank Monitoring
Engineering- Feasibility Studies
- Spill Prevention Plans
- Remedial Design Plans & Specifications
- Helium Testing
In-Service Inspections
- Complete inspection following API-653 In-Service inspection checklist
- Thickness reading on shell plates
- Thickness reading on roof plates
- Visual inspection with photographs and/or a record of any visible defects
- Thickness reading on all accessible nozzles
- Shell layout drawings
- Nozzle layout drawings
- Layout of defects
- Settlement survey
- Post inspection meeting to discuss findings
- Recommendations and/or observations
- Summary of inspection findings
- Final formal report
Out-of-Service Inspections
- 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
Other Inspection/ Services
Other inspection services upon request:
- Floating roof seal inspection
- Out-of-roundness survey
- Plumpness surveys
- Helium testing
- Strapping
- Venting calculations
- Seismic calculations