Check Obstacle Penetration in Limitation Surfaces ModuleStep Guide 1. Click Limitation Surfaces 2. Click Open Limitation Surfaces 3. Click the map at the location, where you would like to put an obstacle (e.g. a crane) 4. In the info box you can see what limitation surfaces that cover the position that you clicked. 5. Enter the height of the obstacle. 6. The info box will update and provide information on which surfaces and with how much, the obstacle will penetrate.