Completed installation of new 3-inch copper plumbing throughout all six floors of the building, including full system layout, routing, and integration with existing plumbing infrastructure. Work performed included core drilling through concrete slabs and walls, coordination and completion of all required electrical work, drywall installation and repair in affected areas, and complete plumbing tie-ins to existing domestic water systems. The project also included the installation of pressure pump systems, valves, fittings, supports, and all necessary components to ensure proper water flow, pressure regulation, and reliable system performance. All work was completed in accordance with applicable building codes, safety standards, and project specifications, including system testing, inspections, and final commissioning.