ISO 12006 "Building construction - Organization of information about construction works" is an international standard dealing with structuring of information for construction. It is composed of two parts: \n* ISO 12006-2:2015 "Building construction - Organization of information about construction works - Part 2: Framework for classification of information" more details in: \n* ISO 12006-3:2007 "Building construction - Organization of information about construction works - Part 3: Framework for object-oriented information" also known as buildingSMART Data Dictionary or International Framework for Dictionaries (IFD) Library. Classification of project stages: \n* inception/ procurement \n* feasibility \n* outline proposals, programme preparation \n* scheme detail/ costing \n* detail design/ costing \n* production information and bills of quantities preparation \n* tender action \n* construction preparation \n* construction operations on site \n* completion \n* feedback