Structures Tab (Analysis Results Dialog Box)

Use the Structures tab to review individual analysis of drainage structures, such as manholes, in your drainage system.

• Use the Status filter at the top of the page to isolate objects with specific statuses as detailed below.
• Use the Zoom to Object tool to locate the object and correct any drawing issues such as connections, location, object type, sizes, and elevation.
• Use the Object Properties dialog boxes to update any parameter issues for the object.

Name. Displays the name of the object.

Status. Reports if the flow in the pipe is OK, Surcharged, at Flood Risk, or Flooded, based on the maximum water elevation in the Junction.

• OK. The maximum water elevation is below the Pipe Crown.
• Surcharged. The maximum water elevation is below the Cover Elevation but is above the Pipe Crown.
• Flood Risk. The maximum water elevation is above the pipe crown but is below the cover elevation by the flood risk margin depth.
• Flood. The maximum water elevation is above the Cover Elevation.

Type. Displays the structure type.

Cover Elevation. Displays the cover elevation of the Manhole.

Invert Elevation. Displays the invert elevation of the Junction.

Max Elevation. Displays the maximum water elevation (above datum) reached in the structure for the selected or displayed rainfall event.

Max Depth. Displays the maximum water depth (above invert elevation) reached in the structure for the selected or displayed rainfall event.

Max Inflow. Displays the maximum inflow (totaling all inlets) reaching the structure for the selected or displayed rainfall event. This does not include Bypassed inflow.

Max Resident Volume. Displays the maximum volume in the structure for the selected or displayed rainfall event including flooded volume.

Max Flooded Volume. Displays the maximum volume above the exceedance elevation or cover elevation in the structure for the selected or displayed rainfall event. Note: only Manholes can flood.

Max Outflow. Displays the maximum outflow (totaling all outlets) leaving the structure for the selected or displayed rainfall event.

Total Discharge Volume. Displays the total volume leaving the structure, through all outlets for the selected or displayed rainfall event.