Use the Structures tab to review individual analysis of drainage structures, such as manholes, in your drainage system.
Object navigation and editing
- 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.
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OK. The maximum water elevation is below the Pipe Crown.
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Surcharged. The maximum water elevation is below the Cover Elevation but is above the Pipe Crown.
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Flood Risk. The maximum water elevation is above the pipe crown but is below the cover elevation by the flood risk margin depth.
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Flood. The maximum water elevation is above the Cover Elevation.
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- 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.