drawing site grade vignette

Site Zoning Vignette and Multiple Choice

drawing site grade vignette

Postby KOOTA » Sat Dec 02, 2017 4:54 pm

qucik question regarding site grading:
If the countr lines do not line up with the property line @ section cut, how do you draw the Grade ? do you continue to the property line as a flat line or take a guess of what it would be? how much can it be off by?
Please help , picture as an example
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Re: drawing site grade vignette

Postby sbyrktct » Tue Dec 19, 2017 2:26 pm

Go point to point between where the topo lines intersect or touch the section line and then the property line. Do not interpolate.

Also, do not draw the grade line beyond the gridded area.

Also, Ballast and Kaplan are terrible guides for the vignettes. Use them only for MC.
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Re: drawing site grade vignette

Postby andrewh44 » Sun Feb 18, 2018 1:54 pm

sbyrktct wrote:Go point to point between where the topo lines intersect or touch the section line and then the property line. Do not interpolate.

Also, do not draw the grade line beyond the gridded area.

Also, Ballast and Kaplan are terrible guides for the vignettes. Use them only for MC.




I'm sorry but I don't see how this answers the question. Should the grade line just continue with no slope to the property line or just maintain the slope between the last and next to last topo lines until it ends at the end of the gridded area?
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Re: drawing site grade vignette

Postby thd7t » Mon Feb 19, 2018 6:41 am

Do you know the year of your practice guide? Vignettes used to require interpolation, but no longer do. If you don't have a topo line crossing the cut line off of your property, leave it as level.
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Re: drawing site grade vignette

Postby andrewh44 » Mon Feb 19, 2018 9:57 am

thd7t wrote:Do you know the year of your practice guide? Vignettes used to require interpolation, but no longer do. If you don't have a topo line crossing the cut line off of your property, leave it as level.



Gotcha, thanks!
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