Mr. Nachtigal P.Eng., has 30 years of experience as an engineering consultant.  He has diverse, international experience in the mining industry, 25 years of that with BGC.  As an Engineer of Record since 2012, he has a wealth of experience in dam design, preparation of construction documents, construction records reporting, developing site teams for resident engineering and quality assurance including laboratories, testing procedures, construction records documentation, permitting, project management, construction supervision, contract administration and quality control/quality assurance and site investigations for tailings storage facilities.