| Client / Work Location | Princess Margaret Hospital |
| Date: | Aug, 2022 |
| Size | DN65 |
| Medium | Chilled Water |
| Operating Pressure | 3 Bar |
| Operating Temperature | 7°C |
| Problem | Adding valves to existing pipework |
| Solution | Perform pipe freezing to isolate the water, avoid draining off water from the whole system and kept the other parts of system running. |