I have been designing ASME Code Section VIII Div 1 pressure vessels & API tanks for 6-7 years. I can provide pressure vessel calculations and full fabrication drawings. I have been involved with many large scale projects that involved skid packages with multiple vessels with piping and instrumentation. API-12F tank design experience include API-12F Monogrammed and non-monogrammed tanks. I have designed many variations of these tanks over the years from 200 BBL to 750 BBL.