The objective of this dissertation is to analyze to what extent the conformity assessment of engineering projects in large buildings, conducted according EPC regime, can be used as a tool for organizational learning by the entities involved (contractor, business EPC; subcontractors and certification). In the organizational context in which the research takes place, the objects of analysis are the projects of three waterway terminals of the Transpetro: (i) Pecém - Tecém (CE); (ii) Barra do Riacho (ES); and (iii) Ilha Comprida (RJ) and the main unit is the Unit Implementation of Projects for Transpetro (IETR) from Petrobras. The method comprises: (i) bibliographic and documentary research on the central themes, (ii) selecting the type of case and delimitation of the unit case, (iii) propose of a conceptual model, (iv) preparation of case study, (v) formulation of conclusions and recommendations of the case to entities involved. Stand as the search results: (i) an indication of critical documents in phases FEED and executive of the respective projects, (ii) the mapping of the principal errors that come from the incompatibility between the disciplines involved or arising from the unmet requirements of applicable standards and technical regulations; (iii) to propose recommendations for the entities involved. In conclusion, the research shows that the suggested model was adequate for the purposes for which it is intended, constituting an important management tool and learning that could be disseminated in other organizational contexts of conformity assessment of engineering projects.