What does a hidden portion of a building typically refer to in plumbing plans?

In plumbing plans, a hidden portion of a building typically refers to a section that illustrates elements not seen in standard elevation views. This can include pipes, ducts, and other mechanical components concealed within walls, ceilings, or floors. Such sections are crucial for understanding how these elements integrate within the overall construction and for planning installation or maintenance.

The significance of highlighting these hidden components allows plumbers and other tradespeople to visualize the arrangement and accessibility of systems that are not immediately visible, aiding in troubleshooting and installation. This aspect of plumbing plans is essential for ensuring that the installation follows codes and that all systems operate effectively within their concealed spaces.

Other options may refer to aspects visible in a plan or specific detailed elements that do not encompass the broader understanding of concealed plumbing systems. Focusing on sections specifically dedicated to hidden components addresses the underlying complexities of plumbing infrastructure essential for successful project execution.