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    Sloped Pipe Question

    I'm a new member to this group, it looks pretty good.

    I replied to a thread on the Autodesk Revit MEP (not the other one) group earlier about drawing sloped pipe. Hopefully someone can use the info, add to it, or correct me

    The question I have is at the end of the post.

    Thanks,
    John
    ************************************************** ******

    Here is what I have found to be the least painful way of drawing sloped pipe:

    1. Draw your sloped main first - start at your most remote fixture and then proceed to outlet

    2. Start your branches from the sloped main - Once you have begun drawing the branch, hit the space bar, it will acquire the elevation of the sloped main and connect properly.

    3. Use the trim command to create elbows when your branch connects to a vertical pipe

    Other considerations:

    1. If your sloped main is in a trench and needs to have the branches connect from the top, you can still specify a start elevation like you normally would and the pipe will tee into the top.

    2. If you need to connect into the main from an angle, it's a problem. Revit doesn't like the tee to be "rolled 45" from a sloped pipe. You can do it, but it will make your pipe run unstable. It may not be the way they actually build it, but I generally will just make a connection to the side of the main, and then 45 up to the branch elevation.

    Here's a question to anyone - When drawing vertical pipes coming off of a sloped pipe, I have had instances where that vertical pipe will become "sloped" by some fractional amount because of the connection. Has anyone found a way to deal with that? I haven't tried pinning it yet.
    Last edited by jhenry58; December 23, 2010, 10:19 PM. Reason: clarification

    #2
    We don't do slope piping any more with Revit... it's just too much work.
    You will have to redraw the pipe sometimes 8-10 times b/c of sloping issues... it's just not cost/time effective.

    Comment


      #3
      Originally posted by mfiglarz View Post
      We don't do slope piping any more with Revit... it's just too much work.
      You will have to redraw the pipe sometimes 8-10 times b/c of sloping issues... it's just not cost/time effective.
      I wish I had that option

      Comment


        #4
        From what I recall when I was working in Revit MEP and knew a little about MEP things is that I was really hoping that they would make it so I could specify I.E. for each ends of the pipe. I think this would be SO much easier and would go along with how I was taught to do design. Anyone agree/disagree?

        Comment


          #5
          Originally posted by gdoherty0102 View Post
          From what I recall when I was working in Revit MEP and knew a little about MEP things is that I was really hoping that they would make it so I could specify I.E. for each ends of the pipe. I think this would be SO much easier and would go along with how I was taught to do design. Anyone agree/disagree?
          We use the spot elevation for our BOP. You can customize it to remove the symbol and just have a prefix like BOP or IE. We don't use the inverted elevation tag, because in a multi-level building it won't let you reference your associated level. For example, pipes on level 3 would be referencing level 1. If "invert elevation" just applies to pipes below grade, as the name implies, then I guess this would be how this tag should behave.

          Comment


            #6
            When drawing vertical pipes coming off of a sloped pipe, I have had instances where that vertical pipe will become "sloped" by some fractional amount because of the connection.
            John,

            This is sometimes a problem when using the sloped piping tool. In Revit MEP 2012 (Assuming that is the program you are using) if the program is up to date it should recognize that you have a vertical pipe in place and under the slope designation in the vertical pipes properties it should say (Not Computed) Autodesk added this fix threw a very small update.

            When i run in to this problem i first draw my vertical pipe in the 3D view then attach my horizontal sloped pipes to it using the connect tool.

            Hope this helps,

            Jonathan

            Comment


              #7
              My wish list

              I wish AutoDesk would let us draw it flat then add and remove the slopes afterwards

              Comment


                #8
                <Wish granted>
                You can it's just a hit or miss depending on your routing and revits mood.
                Sloped piping takes precedence and when the fixtures move 35 times... Everything is modeled around the sloped pipe, so if we are constanly moving it than that effects EVERYTHING else MEP.
                Just like Mfiglarz mentioned in his post "it's just not cost/time effective"
                "Keeping my view range hopeful"

                Comment


                  #9
                  Originally posted by mfiglarz View Post
                  We don't do slope piping any more with Revit... it's just too much work.
                  You will have to redraw the pipe sometimes 8-10 times b/c of sloping issues... it's just not cost/time effective.
                  So what do you say? What is the best way to use slope pipe wrench? Any video tip? or Any video tutorial at Youtube for using slope pipe wrench in a brilliant manner?
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