To create a pressure network using objects in Autodesk Civil 3D, follow these steps:br br 1. Create a new pressure network: Go to the "Networks" tab "Pressure Networks" panel "Create Pressure Network".br 2. Select the object: Choose the object (e.g., polyline, alignment) that represents the pressure network.br 3. Define the network properties: Specify the network type, pipe size, and other properties.br 4. Add parts: Add pipes, fittings, and appurtenances to the network.br 5. Define the network layout: Use the "Layout" tab to adjust the network's geometry and connectivity.br br Alternatively, you can also use the "Create Pressure Network from Object" tool to convert an existing object into a pressure network.