This presentation summarizes the steps taken to digitize a sanitary sewer system from an AutoCAD file. The key steps included: 1) Analyzing the layers and data types from the AutoCAD file, which included features like manholes, pipes, and houses. 2) Creating shapefiles from the layers in ArcCatalog and adding the data to ArcMap. 3) Digitizing the features from the AutoCAD file by tracing them into ArcMap and assigning attribute information like ownership. 4) Geo-referencing the digitized data to align it with a real-world coordinate system.