Last years, a medium-sized shipyard has specialized in building tankers for chemicals. This is planned to increase the production of shipyard in medium or long terms for 4-6 boats. To achieve these objectives, the changes have to be made in all kinds of services shipyard. These changes have to take place in the organization, as well as in technological areas. In the first phase of analysis, there has been a single sequence analysis of part 1, where they perform six different methods that resulted in a large number of solutions that will help restructure of shipyard.