Oct 11, 2016 – Autodesk releases an updated Storm Sewers Help file update for AutoCAD Civil 3D 2016 Service Pack 3
Autodesk released AutoCAD Civil 3D 2016 Service Pack 3 in July 2016.
This update adds a new version of the Storm Sewers CHM file.
The update is available from the AutoCAD Civil 3D public download page.
Here’s the link to the updated Civil 3D 2016 Service Pack 3 download page.
Here’s the link to the Readme.