Hello, I am working on creating an existing drainage model. i drew an existing manhole and connected some 48" pipes to it. But the pipes are now way to big for that manhole structure. I want to make the bottom structure of the manhole bigger. …

I am working through the Drainage Layout and Design course in the "09 - OpenRoads Designer - Drainage & Utilities - Fundamentals" module in the Learn Server. This is a PDF instruction course to walk through placing manholes, inlets, pipes, etc. All the…