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Thread: Tagging TOS w/Spot Elevation tag

  1.    #1
    Junior Member
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    Tagging TOS w/Spot Elevation tag

    I am tagging my Top of Steel on my beams which is also my Joist Bearing Elevation using a Spot Elevation tag set to Survey Point. I can also tag my Top of Masonry walls as my Joist Bearing Elevation. But I'm running into a problem when tagging my Joist Bearing Elevation when the joist is in a masonry pocket. I can select the joist but I get the top of the joist & I need the seat which is 2-1/2" below the top of the joist.
    Question, is there a way to edit the tag (properties, instance, etc) to show the correct elevation of the seat?
    Perhaps insert a family parameter that subtracts the seat height from the top of Steel?
    I don't know, I'm guessing here. I haven't found anything that may work & I'm hoping one of you might have an answer.
    Thank you.

    Sent from my mobile using Tapatalk

  2.    #2
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    Hello Hangman,

    Have you changed the display elevations parameter to show bottom? It can be found in the properties box under the text category or just under the toolbars when placing a tag. See the attached images.

    Click image for larger version. 

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    Kyle

  3.    #3
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    Kyle, thank you for that excellent suggestion. Although in this particular case, when I select bottom, the tag goes blank.
    I was initially thinking it was because the roof joists are not on a level ... not flat. The roof joists are on a slope so selecting the Bottom would cause it to go blank. But logic says if that were the case, the top of Steel would also be blank or not selectable.
    This idea may still be the case as sloped steel, you can only select the ends for elevation points. Meaning that if the program is written the way I'm think'n, then straight down from the end of the sloped steel would not be the end at the bottom. And so the program would not be able to register the end point at the bottom of the sloped steel.

    So for those who aren't following my thoughts, let me paint a verbal picture here.
    Say you have a slope of 30 degrees & you put a W10 beam on that slope. Looking at a side profile, you can see the end of the beam at the bottom of the slope. Drawing a line from the end of the top of the beam at the bottom of the slope, perpendicular to the surface, you can connect to the bottom of the beam. But if you draw a line from the same location straight down, there is nothing there where the bottom of the beam slope occurs.
    This is how I'm think'n the program for the spot elevation tags were written, so selecting bottom would take the measurement straight down & not perpendicular to the top.
    I am still hopeful there is a solution. If nothing more perhaps I can put it on a wish list for Revit 3035.
    In the mean time, I'm using a piece of text ... old school but effective for plan work until the roof changes. Just one more thing to remember to fix before submittals.

    Sent from my mobile using Tapatalk
    Last edited by Hangman; February 5th, 2020 at 02:03 PM.

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