DJA Inspection Services, inc.

inspectors

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
  • Inspecting linesEngineering
  • 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 InspectionsInspecting Tank

  • 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 Ultrasonic Probing
  • 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

Floating roof dye inspection
Other inspection services upon request:

  • Floating roof seal inspection
  • Out-of-roundness survey
  • Plumpness surveys
  • Helium testing
  • Strapping
  • Venting calculations
  • Seismic calculations