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    #1

    Creating roofs with reference planes

    I'm new to revit structure & am having trouble creating roofs with reference planes associated with the linked architectual model.
    I want to set the reference plane as the top of sheeting & add purlins/beams offset below this plane.
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    #2
    First of all create a reference plane in desired position and if you like "lock" it to the roof plane (this way if you raise the roof the purlins etc. will go with it.
    Now the trick is select and Name the Ref. Plane if you don't none of this works. (See image 1).

    Now select your purlin member, look at the "Options Bar", click on "Placement Plane" drop down list, pick the plane that you "named". (see image 2)
    Now draw away and your purlins end up "top Justified" to this plane. (Justification is in properties menu.)

    To offset, change "Z-Direction Justification" in properties to other then set offset in "Z- Direction Offset Value" in properties menu. (see image 3)
    Attached Files
    Last edited by mark b; February 22, 2012, 06:26 AM.
    Mark Balsom

    If it ain't broke, fix it till it is.

    Comment

      #3
      Dear Paul,

      Just follow step-by-step as shown in attachment.
      After the last stage, the customized workplane has been set to your requirement.
      Once it's done, you can easily draw any elements on the plane.
      Hope this is the answer you wanna know.

      YNB

      P.S : the "Example" is for Step 3.
      Attached Files
      Last edited by Yan Naing Bo; February 22, 2012, 06:52 AM.

      Comment

        #4
        Thanks alot guys...that has me out of the hole I was in & back on track......

        Comment

          #5
          Originally posted by Paul Caddy View Post
          Thanks alot guys...that has me out of the hole I was in & back on track......
          No worries Paul, glad to help.
          BTW welcome to the forum.
          It's safe to say if you can't find or get the answers here, the answers don't exist. :thumbsup:
          Last edited by mark b; February 23, 2012, 06:41 PM.
          Mark Balsom

          If it ain't broke, fix it till it is.

          Comment

            #6
            I've added all my purlins etc to this reference plane now but am having trouble with setting the sheet roof to this plane as well.
            I try drawing the footprint of the roof in my roof framing layout plan view but can't get it to set to the ref plane associated with the purlins??

            Comment

              #7
              Quick method
              If you make one by foot print, just go to side elevation or cut section through rake, select roof then use "Move" tool to locate.

              or use
              Roof by Extrusion. This method is worth learning so when plane moves everything goes with it.
              1.create another "named Ref plane" in plan view so as to draw the roof profile, roughly at end of roof (image 1)
              2. go to end view of roof elevation (face on to new named Ref plane) select roof by extrusion, the select new named ref plane from drop box. (image 2)
              3. draw single line, this becomes extent of roof.(note the roof thickness is below this line, so offset line as required) I like to place a dimension and lock it so roof if fixed to raked (prulin) plane.(image 3)
              4. now roof is generated select roof and use shape handles to extend to required length. these can also be locked to ref planes or purlin ends(image 4)
              Attached Files
              Last edited by mark b; February 24, 2012, 04:16 AM.
              Mark Balsom

              If it ain't broke, fix it till it is.

              Comment

                #8
                Thanks again Mark....you are a CHAMPION!

                Comment

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