CoverNational ForewordIndexForewordIntroduction.1- Scope.2-Normative reference3- Terms and definitions4-Specifications and doc.5-Constituent products6- Preparation and assembly7- Welding8- Mechanical fastening9- Erection10- Surface treatment11- Geometric tolerances12- Inspection ,testing and correctionAnnex AAnnex BAnnex CAnnex DAnnex EAnnex FAnnex GAnnex HAnnex J Annex KAnnex LAnnex M