Thursday, 20 January 2022
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I don't have a lot of experience with Northings and Eastings and was hoping someone could help me out . I want to use Northings and Eastings on a hardscape layout and dimension plan. The survey and site plan were provided to me by a civil engineer, and the 0,0 insertion point they are using is not on the project site. It's not a known survey point. We share drawings back and forth regularly so I cannot change the insertion point. What are my options? I suppose I could place a northing-easting at a known existing survey point within the project work limits and call it a 'point of beginning' so the contractor has a reference point, but that doesn't seem ideal. Or can I reset the 0,0 point to be within the project work limits long enough to place my Northings-Eastings?
2 years ago
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#4524
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Gator,
The link below will walk you through your options when using the Northern Easting points. Look specifically at the WCS/UCS section and you will see that you can set a system Variable to look at a custom user coordinate as 0,0 if the World coordinate is not close. Any further questions you have please let us know and we would be happy to help you out!

Northing/Easting Points

Cheers,
2 years ago
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#4536
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Thanks Jake for your help. Would the Northings/Eastings for centerpoints need to be located in an accessible spot? For example, if a centerpoint for a curved sidewalk was in a building or body of water, is this still sufficient information for the contractor to layout the curve? I'm confused about this because I've seen N/E plans where points are located within inaccessible places, and I'm not sure specifically how contractors use this information. Have you guys ever done a video on this topic?
Gator,

Inside a building is not ideal. Usually, you'd want to location the N/E point for your centerline to be where it meets the outside wall of the building.

On a body of water is a hard no, unless the walkway is actually being built, elevated above that water. If you're laying out your plan from a N/E point, that point needs to be accessible to the person laying out the site. Depends on the design and the contractor on what tool they'll use to lay out a site, but if they're using a survey machine, the machine needs to actually sit on the location.

I don't have a layout workflow webinar, but we are working on some improved layout tools, possibly, so we'll likely do one in the future once that's done.
2 years ago
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#4538
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Thank you Amanda. It would be interesting from a designer's perspective to see the various methods/equipment used to physically identify N/E's and their associated radii on a site, particularly if it was a centrerpoint that had to be inside a building since sometimes it's unavoidable. If you do ever include this topic in one of your webinars that would great. Thanks again.
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