Visual inspection of hanging and bracing is not required for piping concealed above what structure?

Visual inspection of hanging and bracing for piping is not required when the piping is concealed above ceilings. This is because once the piping is hidden above a ceiling, it becomes difficult to assess its condition without dismantling the ceiling. Additionally, ceilings are often considered a barrier that separates accessible spaces from concealed structures, which changes the compliance requirements for inspection.

The intent behind this practice is to prioritize safety and efficiency in inspections. Since ceilings are generally inaccessible for regular visual checks, the emphasis shifts to ensuring that the installation meets code when it is originally put in place, rather than requiring ongoing inspections of concealed sections.

In contrast, flooring, walls, and roofing may have more direct structural implications or accessibility for maintenance checks that warrant visual inspections of associated piping. These areas are more accessible, allowing for easier verification of structural integrity and compliance with proper installation standards.