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Forums >> Revit Building >> Technical Support >> Fire Ratings
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Joined: Mon, Jul 9, 2007
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How would I go about drawing thick, dashed lines to indicate fire ratings of walla and slabs? Would I just use the Line command and choose the desired types for 3/4 hr, 1 hr, o hr etc...? thanks Silva the Newbie
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Joined: Thu, Feb 23, 2006
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We draw model lines on the floor in plan views and set the view to "wireframe". The model lines are custom line types that we made that closely resemble our old Autocad firewall drawings. We tried a repeating detail firewall tape but had little success with it.
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Motorcity Job Captain VOA Associates, Inc. |
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Joined: Mon, Jul 9, 2007
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thx!
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Take a look at the word document i have attached. This first page shows 3 walls that we have: 1hr, 2hr, and a smoke partition. The second page shows the properties of the wall. The cut pattern just has a drafting hatch imported from autocad. This is the same way we have all 3 of thoes wall types. This would just be for the walls, Im not quite sure how to do it for a slab, but you could just put the same type of hatching on the surface pattern of your slab. This way you dont draw a ton of model lines on floor plan. It is automaticly done when you draw the 1hr wall or which ever. I think you will find it much easier than just drawaing a ton of model lines in. Let me know if you have any more questions.
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Joined: Wed, Jul 12, 2006
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I use Hatch patterns as well, seems to work pretty well for us! I've attached them also. I use a visibility cut filter for the fire rating. Enjoy
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Joined: Thu, Jul 5, 2007
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I know this thread is a few years old but I am trying to use these fill patterns in RA 2009 with filters for our fire ratings in 1/8" plans.....and they're all showing up as solid - not hatched. I have tried setting it to keep readable, orient with view, and align with element. They all look the same - solid. Is there a trick to setting these up? Thanks - Christina
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cholden, did you ever figure out how to make these hatches show up correctly? I'm having the same issue with it coming out solid black...
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I am having issues trying to find/make a (1 hr fire/ smoke barrier, 2 hr fire/smoke, 3 hr fire/smoke) pat.
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Joined: Tue, May 16, 2006
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You say ".pat" but you show lines. Obviously there are some words missing in your post like what are your problems?
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If you are trying to make these lines you can do this under Manage -> Additional Settings -> Line Patterns and then create a new one. Once you have done that you can change the colour under Manage -> Additional Settings -> Line Styles.
Hope that helps
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Well i would like to have them as a pattern like the image attached. I am trying to have them look like the lines where the patterns have the correct spacings similar to the lines.
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May I offer a suggestion? Patterns like this will probably never work. Walls are not all horizontal like your image. They are at all sorts of angles and even arcs. Even in Cad, this can not work.
We create a fire rating plan where all of the mode, architectural elements are screened. Then we add the appropriate linework along the center of the walls to indicate the rating. This is still fully BIM because our walls are tagged in the model with an appropriate tag that is scheduled for the correct rating and shown in the wall legends.
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So you are adding a model line to those fire rating walls and then have a wall which already has all the information when you tag it, correct.
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Joined: Tue, May 16, 2006
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NO! I would never use a model line here. This line is only meant to show in one view and does not need to be scheduled.
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As WWHUB said, doing this as a pattern instead of a line type would essentially be impossible. The best practice is to do it as a detail line (not model line) and draw it along the centerline of all your walls. Line patterns in revit can support a repeating pattern of up to 10 differing line lengths and spaces and in your image the most you need is 6 with the 4 hour fire wall/smoke barrier which has 2 lines and 4 dots repeating.
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26501_Fire_Walls.doc
26514_1Hour.pat
