Announcement

Collapse
No announcement yet.

Room Area Calculation Method (in Revit) in Australia?

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

    Room Area Calculation Method (in Revit) in Australia?

    I've come up against quite a headache, and (what seems) the impossible from Revit - which isn't helped by guidelines telling us (I think) "that's how it has to be". Here's the problem posed in an email :

    "...please confirm whether room areas are to the external grid line and not the centre of the external wall as that is the way all areas have been calculated through the project & is to AHFG guidelines. I also need total GIFA of each building again to the external wall grid line..."

    Now the question/project relates to a healthcare job in Adelaide (Australia) and we're a UK based firm so employ different calculation rules for our SOAs.

    I've just trawled through the AHFG Guidelines from HERE, and although the guidance is quite unclear, looking at DWG A1.2 of APPENDIX B, suggests a room area is defined by :
    the internal face of an exterior wall,
    the centre line of partition walls between rooms,
    the external face of partition wall to circulation!

    !?! :crazy:

    So, a question to all those working with these guidelines in Oz, how do you do it/that (in Revit)?
    Last edited by snowyweston; June 27, 2011, 09:55 AM.

    #2
    Use Area Plans rather than rooms for these. While some of the boundaries can be "automatic", you can also specify the boundary by sketching.
    Scott D Davis
    Sr. AEC Technical Specialist
    Autodesk, Inc.
    http://bit.ly/aboutsdd

    Comment


      #3
      Originally posted by Scott D Davis View Post
      Use Area Plans rather than rooms for these. While some of the boundaries can be "automatic", you can also specify the boundary by sketching.
      That's how I'd planned to suggest it be done if no one came forth with something more automated/promising (like "we never much care for what the guidance says") - but nonetheless, it turns out my enquiries were wasted energy... Thanks anyway.

      Comment


        #4
        Hi Snowy,

        Well, this is a major problem in Revit. You cannot have multiple Area calculation rules in Revit. Here's how I'd do it:

        Set the Area Calculation Rules on Wall Finish. This makes the exterior walls work.
        Now set all interior walls to non-bounding. Use Room Separation Lines, with the Select Wall tool they should stay constrained in case the walls move. This is a lot of work. But it is the most coordinated approach I know off..
        Martijn de Riet
        Professional Revit Consultant | Revit API Developer
        MdR Advies
        Planta1 Revit Online Consulting

        Comment


          #5
          At the risk of being hung, we export the drawings to a DWG and measure it in another program..path of least resistance.
          Wait till you do a child care centre down under and they exclude the door swing area, the area fixed furniture sits on......etc etc.
          Rob
          Robert Costa, Principal
          Breukel Costa Architects

          Sydney, Australia

          Revit on ...prescription...
          Windows 7 on Imac 27" quad core, VMware

          Comment


            #6
            Scott is correct,
            Unfortunately we have to use multiple are plans for this, with sketching the outlines of the required rooms, departments etc.
            Andrew Harp
            BIM Manager GHD
            If you are not willing to learn, no one can help you.
            If you are determined to learn, no one can stop you.

            Comment


              #7
              Originally posted by rlc View Post
              Wait till you do a child care centre down under and they exclude the door swing area, the area fixed furniture sits on......etc etc.
              Originally posted by Drew View Post
              Unfortunately we have to use multiple are plans for this, with sketching the outlines of the required rooms, departments etc.
              Madness! :banghead: But thanks for the insight guys - like I said, for "this" situation, apparently there's been some kind of (undocumented) "agreement" beyond the norm, which means we're doing it differently - and so, I've said I can't help - as I work to code & rules - and so am letting it run as its course in whatever way it will, in whatever workflow suits "them".

              So I'm back on my template & libraries... joy! :laugh:

              Comment


                #8
                In NZ - We just use Area Plans
                Room Areas are by definition Just that - Areas of Rooms
                If you need the Area of the Room inc. (To Glass Face, Exterior Cladding Face, Centre of Int. Wall) - Easiest thing is an Area Plan
                We usually also include these area Plans in our Drawing Sets just so that everyone Knows how they area's are created (Bot client & fellow Revit Operators)

                Dwane
                Dwane

                Comment

                Related Topics

                Collapse

                Working...
                X