Plugin for BIM toolkit applied to drainage network designs using corrugated HDPE structured wall pipes has been launched. This plugin was developed by Braskem through the companies SMPlan and Engmex, and aims to specify the plastic tubes, making available to the designer a series of facilitators such as library, calculation, bill of materials, etc. It can be accessed for free through the link: http://www.abpebrasil.com.br/default.asp?pg=55