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Methods for showing lead-lined walls for X-ray rooms?

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    Methods for showing lead-lined walls for X-ray rooms?

    I have a medical clinic with an X-ray room, and would like to indicate the lead-lined drywall in some sort of graphic way, in addition to the notes and wall type details. So far I haven't really come up with a great solution. I tried using a combination of filters and line work to create very heavy, red dashed lines for the interior wall surface in that room. Looks great on screen, including printed PDF's. But when printed out on the plotter it looks garbage. The red turns out very light in grayscale, and is almost invisible.

    I tried changing the red dashed line to black, but it still looks pretty muddy. Perhaps the solution is an even heavier line (currently using 11), with a wider dash.

    What other methods have people done to indicate lead lining?

    #2
    On a recent project that had a lot of complex shielding (varying thicknesses of lead) I used a separate partition plan, where all the walls in the project were tagged, the lead walls had a hatch pattern via filter, and the shielded rooms had a color scheme that applied a pattern with a key indicating "Lead shielding this side".
    Julie Kidder
    Architect + BIM Director
    Hartman + Majewski Design Group

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      #3
      Originally posted by jmk View Post
      On a recent project that had a lot of complex shielding (varying thicknesses of lead) I used a separate partition plan, where all the walls in the project were tagged, the lead walls had a hatch pattern via filter, and the shielded rooms had a color scheme that applied a pattern with a key indicating "Lead shielding this side".
      Nice! Thats how we handle STC ratings, as well.
      Aaron "selfish AND petulant" Maller |P A R A L L A X T E A M | Practice Technology Implementation
      @Web | @Twitter | @LinkedIn | @Email

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        #4
        Originally posted by jmk View Post
        On a recent project that had a lot of complex shielding (varying thicknesses of lead) I used a separate partition plan, where all the walls in the project were tagged, the lead walls had a hatch pattern via filter, and the shielded rooms had a color scheme that applied a pattern with a key indicating "Lead shielding this side".
        so your lead-lined walls had a hatch pattern for the whole wall thickness? We're using 1/4" scale plans on this project since the building is fairly small, so the stud and drywall layers actually show up in the plan. But the thickness of the drywall layer is still almost nothing, so a Cut hatch pattern for the drywall doesn't really help much. And we typically use a certain stud layer cut pattern to note sound-batt insulation locations. Would you normally do a different stud layer (or other core layer) hatch pattern at the LL walls?

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          #5
          That project had a hatch on all the lead lined walls, for the entire width of the wall. We also did a solid fill to show partitions to deck. We didn't graphically show the sound-batt on that project, but on a current project I have separate smaller diagrams that just show the to deck and insulation locations. The diagrams are smaller and sit next to the plan with the partition tags.
          Julie Kidder
          Architect + BIM Director
          Hartman + Majewski Design Group

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            #6
            I treat them the same way as air/vapour retarder membranes on the exterior... Tag the wall. Use details to clarify the extents.
            I guess if you want to get a bit fancy you could put in a dash detail line near the edge of the stud/gyp edge to show some sort of distinction (I know, it's manual, but usually your dealing with a couple rooms at most).
            Chris Heinaranta | Architectural Technologist

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