Weld Process

Mitchell Services provide welding engineering support services resulting in the fabricator securing a place as a global supplier and securing ongoing repeat orders. A number of assignments have required project documentation to be reviewed for compliance with project specifications on behalf of main contractors. One project involved the main contra... ctor completing design and engineering from their UK offices for a multi-million dollar grass roots petrochemical facility located in the Middle East. Mitchell Services provided the welding engineering capability on behalf of the main contractor. Main contractor specifications for fabrication, heat treatment, materials, and welding were prepared and approved for construction. All vendor method statements including assembly, fabrication, heat treatment, materials, welding procedures and associated documentation was reviewed for compliance with project specifications. In addition to this project Mitchell Services has provided welding engineering support services on various new build and refurbishment projects for the oil, gas, nuclear and process industries. A contractor secured an order for the site construction of three large storage tanks in accordance with API 620 & API 650. Two tanks were constructed using carbon manganese steels and one tank was constructed using corrosion resistant alloys. Prior to project commencement the contractor required existing weld procedures to be reviewed for compliance. Many of the procedures had been qualified in the mid 1970's and contained omissions, errors and mechanical testing results were at the limit of the operating envelope. Some of consumables specified in the existing weld procedures were considered unsuitable for the application. Project specifications were reviewed, weld procedure proposals and associated documentation required to cover the scope of work were prepared. All aspects of the weld procedure and welder qualifications were co-ordinated including consumable procurement, material preparation, monitoring, non ...Read More