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ORD Drainage and Utilities Set Invert to Start/Stop vs Design Start/Stop Invert

Can someone please explain the difference between the Set Invert to Start/Stop toggle (true/false) vs the Design Start/Stop Invert toggle?  Also, If I need to set a pipe size do I have to start inputting the inverts from that point or will the program adjust the inverts.  

Thanks

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  • Hello Bill,

    The Set Invert to Start/Stop option is used to define how you want to set the invert elevations for the conduits. If this is set to True, it will use the invert elevation of the start and/or stop node. If this is set to False, you would need to enter the data manually or using something like ModelBuilder. If you have invert data for the conduit that you want to apply to a manhole, you can use the methods mentioned in this link: How to apply conduit start/stop elevations (eg. ground & invert) to adjacent nodes.

    The Design Start/Stop inverts is an option for the constraint-based design option with the GVF-Rational solver, which is the default solver for the ORD Drainage and Utilities. If you are using the design analysis type in the calculation options, you can use the Design Start/Stop Invert if you want to see the invert elevations for existing elements adjusted as part of the calculation.

    Regards,

    Scott

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  • Hello Bill,

    The Set Invert to Start/Stop option is used to define how you want to set the invert elevations for the conduits. If this is set to True, it will use the invert elevation of the start and/or stop node. If this is set to False, you would need to enter the data manually or using something like ModelBuilder. If you have invert data for the conduit that you want to apply to a manhole, you can use the methods mentioned in this link: How to apply conduit start/stop elevations (eg. ground & invert) to adjacent nodes.

    The Design Start/Stop inverts is an option for the constraint-based design option with the GVF-Rational solver, which is the default solver for the ORD Drainage and Utilities. If you are using the design analysis type in the calculation options, you can use the Design Start/Stop Invert if you want to see the invert elevations for existing elements adjusted as part of the calculation.

    Regards,

    Scott

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