The YAMAL LNG liquefied natural gas construction project has a total of 120 third-party supervision personnel. QA: 4 people; QC: 15 people, structure (CWICSWIP) 40 people; 35 people for process pipelines (CWI, CSWIP); 20 people for electrical instruments (EX); 13 people for anti-corrosion coating (NACE2); Materials for 8 people