Water and electricity are divided into description, plane and system.

In short, hydropower drawings are divided into three types: explanatory drawings, plan drawings and system drawings.

explanatory drawing

Explain the general situation of the project, construction requirements, acceptance criteria, selection of atlas, what various symbols represent, and installation elevation.

Plane drawing

The scheme includes hydropower layout, pipeline direction, installation position, elevation and size of various hydropower facilities.

System drawings

The system diagram includes the specifications and models of hydropower materials, the composition of piping and distribution box, and the installation positions of various water supply and drainage fittings.

Hydropower knowledge

The above is just a brief talk, and you still need some knowledge of hydropower to look at the picture. I'm afraid it can't be fully understood in a few words.