Which document must include plumbing system specifications in Kentucky before installation?

In the state of Kentucky, the building permit is the essential document that must include plumbing system specifications prior to installation. This requirement is critical because the building permit ensures that all construction and modifications meet local building codes, including the specifications for plumbing systems.

The plumbing system specifications within the permit usually encompass detailed drawings and descriptions of the plumbing layout, materials to be used, and compliance with health and safety regulations. This process helps prevent issues related to code violations that could lead to costly repairs or safety hazards later on.

While the plumbing license is necessary for individuals performing plumbing work, and the installation manual offers guidance on how to properly install plumbing fixtures, these documents do not serve the same function as the building permit. The Material Safety Data Sheet, on the other hand, provides safety information about materials but is not concerned with the overall specifications required for plumbing installations. Therefore, the building permit is the correct answer, as it is specifically designed to encompass all necessary details regarding plumbing systems before any work commences.