topic Re: how to insert a null structure to an existing pipe networking in Civil 3D Forum https://forums.autodesk.com/t5/civil-3d-forum/how-to-insert-a-null-structure-to-an-existing-pipe-networking/m-p/7363030#M171611 <P>No problem!</P> Thu, 07 Sep 2017 21:17:24 GMT Todd_Rogers 2017-09-07T21:17:24Z how to insert a null structure to an existing pipe networking https://forums.autodesk.com/t5/civil-3d-forum/how-to-insert-a-null-structure-to-an-existing-pipe-networking/m-p/7362741#M171607 <P>I want to break the pipe into 2 sections with different slope. How to insert a null structure to do that? or any other good ideas? thanks</P> Thu, 07 Sep 2017 19:29:17 GMT https://forums.autodesk.com/t5/civil-3d-forum/how-to-insert-a-null-structure-to-an-existing-pipe-networking/m-p/7362741#M171607 Anonymous 2017-09-07T19:29:17Z Re: how to insert a null structure to an existing pipe networking https://forums.autodesk.com/t5/civil-3d-forum/how-to-insert-a-null-structure-to-an-existing-pipe-networking/m-p/7362960#M171608 <P>I'm creating a step-by-step video for you. I will post it as soon as it's finished rendering. Probably about 15 minutes.</P> <P>&nbsp;</P> <P>&nbsp;</P> Thu, 07 Sep 2017 20:52:47 GMT https://forums.autodesk.com/t5/civil-3d-forum/how-to-insert-a-null-structure-to-an-existing-pipe-networking/m-p/7362960#M171608 Todd_Rogers 2017-09-07T20:52:47Z Re: how to insert a null structure to an existing pipe networking https://forums.autodesk.com/t5/civil-3d-forum/how-to-insert-a-null-structure-to-an-existing-pipe-networking/m-p/7362980#M171609 <IFRAME width="560" height="315" src="https://www.youtube.com/embed/WKUUexM-ZgM?rel=0" frameborder="0" allowfullscreen=""></IFRAME> Thu, 07 Sep 2017 21:02:22 GMT https://forums.autodesk.com/t5/civil-3d-forum/how-to-insert-a-null-structure-to-an-existing-pipe-networking/m-p/7362980#M171609 Todd_Rogers 2017-09-07T21:02:22Z Re: how to insert a null structure to an existing pipe networking https://forums.autodesk.com/t5/civil-3d-forum/how-to-insert-a-null-structure-to-an-existing-pipe-networking/m-p/7363028#M171610 <P>thanks! that's a HUGE help!</P> Thu, 07 Sep 2017 21:16:22 GMT https://forums.autodesk.com/t5/civil-3d-forum/how-to-insert-a-null-structure-to-an-existing-pipe-networking/m-p/7363028#M171610 Anonymous 2017-09-07T21:16:22Z Re: how to insert a null structure to an existing pipe networking https://forums.autodesk.com/t5/civil-3d-forum/how-to-insert-a-null-structure-to-an-existing-pipe-networking/m-p/7363030#M171611 <P>No problem!</P> Thu, 07 Sep 2017 21:17:24 GMT https://forums.autodesk.com/t5/civil-3d-forum/how-to-insert-a-null-structure-to-an-existing-pipe-networking/m-p/7363030#M171611 Todd_Rogers 2017-09-07T21:17:24Z Re: how to insert a null structure to an existing pipe networking https://forums.autodesk.com/t5/civil-3d-forum/how-to-insert-a-null-structure-to-an-existing-pipe-networking/m-p/7363048#M171612 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Capture.JPG" style="width: 705px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/398956i1C928870C855818B/image-size/large?v=v2&amp;px=999" role="button" title="Capture.JPG" alt="Capture.JPG" /></span></P> <P>sometimes the "structure only" option is grey out. What would be the possible reasons and solutions?</P> Thu, 07 Sep 2017 21:31:01 GMT https://forums.autodesk.com/t5/civil-3d-forum/how-to-insert-a-null-structure-to-an-existing-pipe-networking/m-p/7363048#M171612 Anonymous 2017-09-07T21:31:01Z Re: how to insert a null structure to an existing pipe networking https://forums.autodesk.com/t5/civil-3d-forum/how-to-insert-a-null-structure-to-an-existing-pipe-networking/m-p/7364721#M171613 <P>This has been a known issue since R2006, the first release. Fix is to save, close C3D and re-open.</P> Fri, 08 Sep 2017 13:21:31 GMT https://forums.autodesk.com/t5/civil-3d-forum/how-to-insert-a-null-structure-to-an-existing-pipe-networking/m-p/7364721#M171613 Todd_Rogers 2017-09-08T13:21:31Z