When multiple pipes enter and exit a structure, you may need to set pipe in and pipe out elevations to consistent, matching values. You can also add a drop value that lets you adjust that elevation value between incoming and outgoing pipes. 
Tutorial Exercise: Editing Pipe Network Parts in a Profile View
- In the drawing, right-click the structure, select Structure Properties, and then click the Connected Pipes tab. 
 
- Press and hold the CTRL key on your keyboard and select more than one of the pipes displaying on the Connected Pipes tab. 
Note:  You must select multiple pipes for the match crown, centerline, and invert options to display on the right-click context menu. 
  
- While still holding down the CTRL key, right-click and select one of the following options from the context menu. 
- Match crowns 
 
- Match centerlines 
 
- Match inverts 
 
  
- On the 
Match Elevation
 dialog box, click the pipe you want to match crown, centerline, or invert elevations to. 
 
- Optionally, enter a Drop Amount to adjust the elevation by the specified value. 
 
- Click OK to make the changes and close the Match Elevation dialog box. 
 
- On the Connected Pipes tab, verify that the selected elevation value has been edited. 
 
- Click Apply to make the changes, or click OK to make the changes and close the Structure Properties dialog box.