1D Pits

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Pit types

• Introductory blurb explaining the types of pits you can do.

Real Life Examples

Some common pit types are shown below. Note: not all variations of side entry pits, grated pits, gully pits (pots) or any similar structure are displayed, the images are typical examples of what can be modeled as a 1D pit structure within TUFLOW.

UK Gully pits

Typical Kerbed Entry pits

Linking

• Various options on linking to 2D

Pit search radius

• More guidance on the pit search radius

Within the *.ecf the following command is required to have TUFLOW connect floating nodes into the 1D network where connectors are not snapped to channel ends:

Pit Search Distance ==xxx
Read GIS Network ==..\model\mi\1d_nwke_*****.MIF
The order of the 'Pit Search Distance' command is important as it can be repeated multiple times with different values that are assigned to the 1d_nwke(s) below the Pit Search Distance command.

Any further questions please email TUFLOW support: support@tuflow.com