Jaco Opperman Email & Phone Number

South Africa

Bloemfontein, Free State, South Africa

Senior Engineer:Engineering projects division (PD). ISO 3834 and EN 15085 managementManufacturing support of Bogie lines, Wagons, Wheels, R&D projects, Locomotives

Welding ImprovementCoordination activities ISO 3834 implementation for client organizations

Boksburg, South Africa

Management of the ISO 3834 quality system.Welding Coordinator / Manager.Welding procedure specifications (WPS), and welder qualifications to various International standards including ASME, AWS, and EN ISO standards.Compiled work instructions and ensured personnel work to procedures and were suitably qualified for work performed.Carried out visual inspections and non-destructive testing (NDT) of welds.Carried out verification of materials to ensure all material used met the… Show more Management of the ISO 3834 quality system.Welding Coordinator / Manager.Welding procedure specifications (WPS), and welder qualifications to various International standards including ASME, AWS, and EN ISO standards.Compiled work instructions and ensured personnel work to procedures and were suitably qualified for work performed.Carried out visual inspections and non-destructive testing (NDT) of welds.Carried out verification of materials to ensure all material used met the correct specifications and quality.Directed and coordinated technical personnel in performing inspections to ensure workers' compliance with established welding procedures, restrictions, and standards; in testing welds for conformance with national code requirements and tested welding personnel for certification. Show less

Crown Mines, South Africa

Professional Consultant to various South African companies in order to enhance the function, profitability of their production lines and safety of products. Developed, qualified and provided technical expertise with procedures and welding techniques to support welders in the completion of their projects.Provided ISO 3834 assistance for the lead auditor of the SAIW certification department.

Woodmead, South Africa

Boiler and turbine refurbishments for South African power stations.Documented weld-refurbishment and weld repairs of turbine components, HP and IP Gov and Stop Valves, Valve bodies, Chest Covers, Casings, Diaphragms and Blade carriers.Worked with various materials including high Cr-Mo creep resistant steels (X20 & X19, 2.25CrMo), Carbon and Structural steel mainly S355JR, stainless steels including martensitic, ferritic, duplex, austenitic and precipitation hardening grades.Managed… Show more Boiler and turbine refurbishments for South African power stations.Documented weld-refurbishment and weld repairs of turbine components, HP and IP Gov and Stop Valves, Valve bodies, Chest Covers, Casings, Diaphragms and Blade carriers.Worked with various materials including high Cr-Mo creep resistant steels (X20 & X19, 2.25CrMo), Carbon and Structural steel mainly S355JR, stainless steels including martensitic, ferritic, duplex, austenitic and precipitation hardening grades.Managed the welding quality control plan, QCP, review and approval for Alstom Power Services SA.Witnessed and qualified PQR’s and qualifications of welding personnel as well as the witnessing of Mechanical (Destructive) Tests and Non-destructive laboratory test work where necessary.Audited Alstom’s suppliers and issued NCR’s where relevant and tended to non-conformities in order to achieve a better-quality system for future work.Compiled and approved Welding Procedure Specifications for sub-contracting work. Carried out welder qualification approvals and QCP approval and witnessing and signing off of intervention points.Two key boiler projects I worked on here was for SASOL together with the senior boiler engineer. We also started investigating the use of thermal spray overlay coatingof boiler tubing to assist with boiler tube longevity from detrimental effects of erosion, corrosion instead of continual weld repair of tubes. Show less

Kensington, South Africa

Managed the ISO 3834 audits on Arminco Projects in Krugersdorp;Implimentation of ISO 3834 at Maduka Resources;Outsourced to Hitachi at Kusile Power Station.

Centurion, South Africa

Aluminium Heat Treatment - Solution Anneal and Precipitation HardeningChemical Treatment - Anodizing, Chromate Conversion CoatingWelding - TIG/ GTAW welding of Aluminum componentsPaint/ Coatings division

Boksburg, South Africa

Rosherville, South Africa

Inernational Welding Engineer (Iwe)

B.Eng (Hons) Metallurgical Engineering

B.Eng Metallurgical Engineering