A specialty classification that involves the construction, repair, and servicing of any swimming pool, hot tub or spa, except for solar pool heating, whether public, private or otherwise, regardless of use. The scope of work includes the installation, repair, or replacement of existing equipment, any cleaning or equipment sanitizing which requires at least a partial disassembling and the installation of new pool/spa equipment, interior finishes, the installation of package pool heaters, the installation of all perimeter piping and filter piping. The scope of work does not include direct connections to a sanitary sewer system or to potable water lines, or electrical work.