Reverse Osmosis System Modifications

• Loop separation and re‑routing of DI water into the existing RO loop • Plumbing modifications: new 1 ¼‑in, ½‑in, and 2‑in connections, demolition of existing PVC DI main • Installation of a Culligan UV sterilizer, multi‑cartridge filter housing, and 12 RO test ports (ST108 compliant) plus four steam test ports • Replacement of six 40‑in RO membranes and a 5‑micron pre‑filter • System sanitization, daily performance logs, and required documentation/submittals