Hey Corpse0327-
If you are trying to use StockFish alongside the project you’re working on you may want to look at setting it up as a plugin for the engine. You can check the wiki for information on creating and setting up plugins (A new, community-hosted Unreal Engine Wiki - Announcements - Epic Developer Community Forums). Additionally you can add it as a third party library to your project (A new, community-hosted Unreal Engine Wiki - Announcements - Epic Developer Community Forums).
For drainage pipes I was referring to the circular metal piping seen in industrial areas. Splines are a good way of setting up these kinds of pipes. Here is a video made by a community member of setting up pipes using splines inside blueprints: