Plumbing and HVAC upgrade for client's upgraded equipment. Plumbing systems that were upgraded include Domestic Water, Sanitary Waste & Vent, and Process Waste and Vent. Mechanical upgrades include new Chilled Water, Heating Water, Steam & Steam Condensate, and Process Chilled Water. New mechanical equipment such as new air handlers & existing air handler retrofits, variable air volume boxes, fan coils units, pumps, etc. were installed as part of this upgrade.