Creating a pressure network from a Water Industry Model (WIM) in Civil 3D involves several steps. Here's a detailed guide to help you through the process:

1. Set Up Your Drawing
Open your Civil 3D drawing and ensure that your Water Industry Model (WIM) settings are configured correctly.
Set the correct coordinate system and import any base data (e.g., topography or background drawings).
2. Load a Water Industry Model (WIM)
In the Toolspace, go to the Settings tab.
Right-click on Pressure Network Catalog and select Set Pressure Network Catalog.
Choose the appropriate catalog that corresponds to the Water Industry Model.
3. Configure Pressure Network Settings
Open the Pressure Network Parts List in the Settings tab.
Customize the parts list to include pipes, fittings, and appurtenances that comply with your WIM standards.
Ensure the correct material, sizes, and fittings are selected.
4. Create a Pressure Network
Launch the Pressure Network Creation Tool:

Go to the Home tab on the ribbon.
In the Create Design panel, click Pressure Network Creation Tools.
Set Up the Network:

In the dialog box, provide a name for the network (e.g., "Water Supply Network").
Choose the parts list you configured earlier.
Specify the layer for the network objects.
Layout Options:

Select the creation method:
From Layout: Manually draw the pressure network.
From Object: Convert existing polylines or feature lines into a pressure network.
Choose the desired alignment (if applicable).
5. Draw or Convert the Network
From Layout:
Use the tools to place pipes, fittings, and appurtenances. Adjust properties such as pipe sizes and connections.
From Object:
Select existing objects (e.g., polylines) and convert them into pressure network components.
6. Assign Elevations
Assign elevations to the network components:
Use the Elevation Editor to modify pipe and fitting elevations.
Reference a surface for automatic elevation assignment.
7. Analyze and Edit
Use the Pressure Network Plan Layout and Profile Layout tools to refine the design.
Analyze pipe sizes, hydraulic grades, and other parameters.
Adjust the network as needed for compliance with design standards.
8. Add Labels and Annotations
Apply labels to pipes, fittings, and appurtenances:
Go to the Annotate tab and select Add Labels.
Customize the label styles based on your project's needs.
9. Generate Profiles
Create a profile for the pressure network:
Align the network with an existing profile view.
Edit the profile to adjust vertical alignment.
10. Save and Document
Save your drawing and generate any required reports or documentation:
Use Pressure Network Reports to export detailed data.
Tips:
Ensure your pressure network parts catalog matches your local standards or project specifications.
Regularly save your work to avoid losing progress.
Use layers and styles effectively for better organization and clarity.