Function: Storage Tank Construction and Integrity
Reports to: Tank/Mechanical Integrity Engineer / QA/QC Manager
Supervises: None
Role Purpose
Inspect storage-tank construction, rehabilitation, repair, and in-service integrity activities, verifying conformance with approved design, API requirements, welding/coating procedures, and safe return-to-service criteria.
Key Responsibilities
- Review tank drawings, repair scopes, inspection history, settlement data, material specifications, WPS/PQRs, ITPs, NDT, coating, and hydrotest procedures.
- Inspect foundations, annular plates, bottom plates, shell courses, roof, nozzles, manways, reinforcement, structural attachments, and appurtenances.
- Verify material identification, dimensions, plumbness, roundness, settlement, fit-up, weld preparation, welder qualifications, and welding controls.
- Coordinate VT, PT/MT, UT, radiographic interpretation, vacuum-box testing, leak testing, and other specified examinations.
- Monitor weld repairs, plate replacement, patching, nozzle work, jacking, structural repair, and reinspection against approved procedures.
- Inspect internal linings, external coatings, surface preparation, DFT, holiday testing, and corrosion-control provisions.
- Witness hydrostatic testing, settlement monitoring, roof/drain checks, cleaning, reinstatement, and pre-commissioning activities.
- Evaluate findings, raise punch items/NCRs, and support repair recommendations and fitness-for-service or engineering review where required.
- Compile complete inspection records, weld maps, NDT reports, test results, repair history, and tank handover dossier inputs.
Qualifications and Experience
Minimum Requirements
- HND or bachelor’s degree in Mechanical, Materials/Metallurgical, Welding, Civil, or a related discipline.
- Typically 7 or more years of tank construction, repair, coating, or integrity inspection experience.
- Strong practical knowledge of tank welding, geometry, NDT, bottom leak testing, coating/lining, hydrotest, and settlement monitoring.
- Ability to interpret tank drawings, weld maps, inspection results, repair details, and acceptance criteria.
- Experience working safely in confined spaces and around hydrotest and lifting operations.
Preferred Certifications and Standards Knowledge
- API 653 certification is strongly preferred; API 650 construction experience is required for new-build assignments.
- CSWIP 3.1 and ASNT/ISO 9712 Level II are advantageous.
- AMPP/NACE coating certification is desirable for lining and coating scopes.
Core Competencies
- Tank construction and repair inspection
- Welding, NDT, and leak-test control
- Tank geometry and settlement verification
- Lining/coating inspection
- Integrity findings and dossier reporting
Key Performance Measures
- Tank inspection scope completed to plan
- Weld/NDT and leak-test first-pass acceptance
- Critical defects identified before hydrotest or return to service
- Repair and punch items closed on time
- Tank dossier accepted with complete traceability
Reporting and Interfaces
Internal interfaces: Tank engineering, construction, welding, coating, civil, commissioning, operations, asset integrity, and HSE teams.
External interfaces: Client inspectors, tank contractors, NDT/coating providers, laboratories, and specialist engineering assessors.
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