The numbers in the Remaining Column (for all three fields: Structural, Flow, and Cleaning) are based on the rehabilitation entered in the observation record (in the Observations tab). These rehab results will alter the overall condition of the pipe (usually improving it).
| Rating | How the Rating is Obtained by the System | 
| Structural Number Remaining | The system adds the structural numbers of the TV inspection observations that do not fall within any line repairs. | 
| Flow Number Remaining | The system adds the flow numbers of the TV inspection observations that do not fall within any line repairs. | 
| Cleaning Number Remaining | The system adds the cleaning numbers of the TV inspection observations that do not fall within any line repairs. |