Antonio "Tony" De Leon

API Inspector / CWI — Terminal Storage Facilities

• Performed API 650 Authorized Inspector responsibilities for three (3) aboveground storage tank erections (108 ft × 60 ft), insulated cone-roof tanks with internal heating coils at a bulk liquid storage terminal
• Reviewed and approved Issued-For-Construction (IFC) drawings, Inspection & Test Plans (ITPs), and project procedures for compliance with API 650, AWS D1.1, and owner/operator specifications
• Oversaw site preparation, ground stabilization, and concrete ring wall foundations, verifying elevations, tolerances, and foundation readiness for tank erection
• Reviewed, verified, and approved Material Test Reports (MTRs), Welding Procedure Specifications (WPSs), Procedure Qualification Records (PQRs), and Welder Performance Qualification records (WPQs)
• Performed CWI-level visual weld inspections and monitored welder and welding operator performance for code compliance
• Coordinated, reviewed, and accepted NDE and Radiographic Testing (RT) activities, reviewed examination reports and dispositioned results
• Witnessed and approved hydrostatic testing of storage tanks, internal heating coils, and foam/fire protection piping systems
• Reviewed and approved hydrostatic test data, final reports, and tank settlement monitoring evaluations
• Verified compliance for abrasive blasting, coating application, and insulation installation in accordance with owner/operator QA/QC and safety requirements
• Maintained inspection records and mechanical integrity turnover documentation consisting of terminal operations and asset integrity programs

• Directed execution of API 653-compliant repairs and alterations for aboveground storage tanks in accordance with approved procedures and client standards.
• Oversaw tank repair activities and coordinated NDE programs to support inspection acceptance, quality verification, and project closeout.
• Maintained control of inspection, repair, and turnover documentation, ensuring full traceability and audit readiness.
• Supervised fabrication of piping systems and shop-built tanks, including pre-installation NDE prior to field integration.
• Planned, coordinated, and verified QA/QC inspection activities, including VT, PT, vacuum box testing, repad testing, radiography for door sheets, and diesel testing for bottom integrity verification.
• Managed field crews and subcontractors to ensure safe execution, schedule performance, and compliance with inspection and mechanical integrity requirements.

• Led execution of API 653 repairs and alterations for aboveground storage tanks, following approved repair procedures and drawings.
• Ensured compliance with quality requirements, specifications, and documentation standards, including inspection records and repair packages.
• Supervised daily field activities to maintain safety, quality, and productivity, improving work efficiency and schedule performance.
• Oversaw fabrication, installation, and repair of process piping systems, including field tie-ins and tank-related modifications.

Directed and motivated field crews to perform work in alignment with mechanical integrity and safety expectations.

• Led execution of API 653-compliant repairs and alterations for aboveground storage tanks, following approved repair procedures and drawings.
• Supervised assembly and installation of suspended full-contact aluminum floating roofs, ensuring dimensional accuracy and operational performance.
• Maintained weld maps, coordinated NDE activities, and supported hydrostatic testing in accordance with project and code requirements.
• Oversaw fabrication, installation, and layout of tank systems, ensuring alignment with specifications, standards, and client expectations.

Performed continuous field inspections, identified deficiencies, and coordinated corrective actions to maintain quality, safety, and schedule

• Directed installation and repair of internal and external aluminum floating roof systems, including primary and secondary seal assemblies.
• Managed floating roof seal replacement projects, restoring tank vapor control, mechanical integrity, and operational compliance.
• Executed work in IDLH and confined-space environments, utilizing breathing air systems and enforcing strict safety protocols.
• Oversaw field operations from project mobilization through demobilization, coordinating manpower, equipment, and work sequencing.
• Conducted continuous field monitoring to identify deficiencies, resolve constructability issues, and minimize schedule impacts.
• Evaluated seal system performance, identified mechanical deficiencies, and issued field-level repair recommendations to clients.