a detailed 3D technical illustration of a commercial or institutional bathroom plumbing system. It uses a color-coded schematic to show how water is distributed from main vertical lines (risers) to specific fixtures like a shower, toilet, and sink. CORE PLUMBING INFRASTRUCTURE The system is built around three primary vertical pipes, known as risers, which typically run through the floors of a building: • Hot Water Riser (Red): Supplies heated water to the bathroom. • Cold Water Riser (Blue): Sup