Blank, B Channel_Type: Since Build 2005-05-AN, the upstream and downstream inverts of these channels can be specified using Apply All Inverts. Prior to Build 2005-05-AN, not used.
Float
8
Downstream_Invert
Node or Pit: Since Build 2005-05-AN, the bottom elevation of the pit (manhole). Can also be used to set the upstream and downstream inverts of connected channels – see discussion for Upstream_Invert for channels above. If set to –99999, not used.
Prior to Build 2005-05-AN, not used.
Channel: Sets the downstream invert of the channel using the same rules as for described for the Upstream_Invert attribute above.
Float
9
Form_or_Bend_Loss
Node or Pit: Not used. This attributed is reserved for future builds to represent a pit loss factor.