My company uses pipe network rules so that when we draw in storm networks the crowns match (as required by some jurisdictions). The rules work great most of the time but I've never been able to get them to work when I'm adding in lateral connections (road crossings). For example in the snip below I drew in a mainline storm alignment (the catch basin at the top). I then came back after and tried to draw in the bottom catch basin, across the roadway. My intention is that the lateral pipe will automatically connect to the mainline catch basin with a matching invert of 2128.83'. All of these pipes are the same size and material so matching crowns is the same as matching inverts. However no matter what I do it never matches. In the snip below the min. cover and slope rules are both being met but not the match crowns.
I have tried to move the Pipe to Pipe Match rules to the top of the rules list to get it to apply but with these rules the crowns will still not match:
I have also tried completely removing the structure rules in case that was messing with anything, and as a last resort I even removed the Cover and Slope rules and redrew the pipe. The crown never matches, its as if the rule doesn't exist at all.
Even this C3D help page shows exactly what I am trying to do (and claims that the behavior of the connection is dependent on the structure rule):
However with my structure rule set to a min. drop across a structure of 0 I cannot get a new pipe added to the structure to match crowns.
What in the world am I doing wrong?
@qchalmersKACEH wrote:My company uses pipe network rules so that when we draw in storm networks the crowns match (as required by some jurisdictions). The rules work great most of the time but I've never been able to get them to work when I'm adding in lateral connections (road crossings). For example in the snip below I drew in a mainline storm alignment (the catch basin at the top). I then came back after and tried to draw in the bottom catch basin, across the roadway. My intention is that the lateral pipe will automatically connect to the mainline catch basin with a matching invert of 2128.83'. All of these pipes are the same size and material so matching crowns is the same as matching inverts. However no matter what I do it never matches. In the snip below the min. cover and slope rules are both being met but not the match crowns.
I have tried to move the Pipe to Pipe Match rules to the top of the rules list to get it to apply but with these rules the crowns will still not match:
I have also tried completely removing the structure rules in case that was messing with anything, and as a last resort I even removed the Cover and Slope rules and redrew the pipe. The crown never matches, its as if the rule doesn't exist at all.
Even this C3D help page shows exactly what I am trying to do (and claims that the behavior of the connection is dependent on the structure rule):
However with my structure rule set to a min. drop across a structure of 0 I cannot get a new pipe added to the structure to match crowns.
What in the world am I doing wrong?
Hello @qchalmersKACEH,
When adding lateral connections (road crossings) to your existing storm network, and the crowns aren't matching as expected, consider these steps: FLVSlogin Net
Check Rule Priorities: Ensure that the "Match Crowns" rule is prioritized over other rules like "Min. Cover" and "Slope."
Alignment Settings: Confirm that your alignments for the lateral connections are set correctly and are using the same data points as the mainline.
Consistency in Pipe Styles: Verify that the lateral pipes are using the same styles and settings as the mainline pipes.
Adjust Rule Set: Sometimes, refining your rule set can help achieve the desired outcome. You may need to adjust parameters to ensure the crowns match automatically.
These steps should help ensure your lateral connections match the crowns of the mainline storm network. Anything else I can assist you with?
Best Regards,
Daniel Lopez
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