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    Demolition Phase

    Ladies & Gentlemen,

    I am familiar with the standpoint that there should not be a Demolition phase as it is technically unnecessary. However, I like the idea of having an intermediate phase where demolition can occur to keep demolished elements on a separate phase from temporary elements.


    Managing this additional phase does not seem to be an issue. Can anyone advise how this could end up going wrong for me? Thanks.
    Last edited by HelmetFire; January 10, 2017, 06:23 PM.

    #2
    If you create a wall in Existing and demolish in New Construction, it would be considered Demolished
    If you create a wall in New Construction and demolish in New Construction, it would be considered Temporary and there is a Phase Filter for that specifically.. wouldn't this be the correct way of doing it?
    Ryan Taube
    BIM Manager - Clayco Construction | Lamar Johnson Collaborative

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      #3
      Originally posted by HelmetFire View Post
      Ladies & Gentlemen,

      I am familiar with the standpoint that there should not be a Demolition phase as it is technically unnecessary. However, I like the idea of having an intermediate phase where demolition can occur to keep demolished elements on a separate phase from temporary elements.


      Managing this additional phase does not seem to be an issue. Can anyone advise how this could end up going wrong for me? Thanks.
      You do not need an intermediary phase. It can all be handled correctly with Phase Filters.
      Last edited by tzframpton; January 10, 2017, 07:20 PM.
      Tannar Z. Frampton ™
      Frampton & Associates, Inc.

      Comment


        #4
        You don't need a separate Demolition PHASE.
        What you need is a separate Demolition VIEW.
        Create an Existing View, a Demolition View, and a New Construction View.
        Existing View is set to Phase Existing, Phase Filter Show Previous + New
        Demolition View is set to Phase New Construction, Phase Filter Show Previous + Demo
        New View is set to Phase New Construction, Phase Filter Show New + Previous

        Works perfectly sing OOTB Phase settings, but you'll want to tweak the Phase Graphics Overrides to display Existing and Demo to your standards.
        The hardest part is trying to remember that in the Phase Filer, "New" really means "Current", not "New Construction"
        Dave Plumb
        BWBR Architects; St Paul, MN

        CADsplaining: When a BIM rookie tells you how you should have done something.

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          #5
          I see the light. Thank you all.

          Comment


            #6
            I've used a demolition phase without problems. I've done a lot of renovation projects, mostly in AutoCAD, and, from a project point of view, have just understood that demolition is a phase. So, why not use it in Revit, since we were thinking that way already?

            Comment


              #7
              While it's generally accepted by revit users that the *proper* way is to not make demo a phase but an action, there are only a few cases where it will actually cause problems:

              1. Your consultants don't have the same phase and phase filter names as you (will force their models to not use phase filters in your views at all)

              2. Any view where you want to show something demolished and something new simultaneously (proper way can do it, separate revit phase for demo cannot)

              3. It's one extra phase to workaround with existing versus demo versus new, and monitoring rooms or areas (or both) which don't transcend phases.

              Programmatically it isn't going to *break* things, but since you STILL need to use the phase filters correctly to get the graphics and schedules to work correctly, it saves you nothing and creates more work, more chance for confusion, and more moving parts to coordinate. But it won't *break* anything.
              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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                #8
                Twiceroadsfool,

                In regards to your point 1, what would the linked model default to if it had different phases and phase filters than the host model? Is your advice to retain OOTB phase filter naming and add to them if anything? Thanks.

                Comment


                  #9
                  I forget if it defaults to phase *none* or the last Phase in the Model, or the First Phase in the Model. But its something annoying.

                  I know for sure that the Phase Filter will default to *None* which means that every view template will have to accomodate entering in the Linked Models Phase Filter. And if you dont have View Templates, then every single view. Its QUITE annoying.

                  For a while, i had custom Phase Filter Names. I have sense put them back to OOTB. I have a couple of extra ones, but not related to demolition. As Dave points out, all of the OOTB ones work perfectly for Demo.

                  I DO still use custom Phase Names, because i think "New Construction" is a terrible name. My Phases are named Phase 1, Phase 2, and Phase 3. And i ask my consultants to rename theirs 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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                    #10
                    Originally posted by HelmetFire View Post
                    Twiceroadsfool,

                    In regards to your point 1, what would the linked model default to if it had different phases and phase filters than the host model? Is your advice to retain OOTB phase filter naming and add to them if anything? Thanks.
                    In cases where the link you're working with has different phases, and you need to match them, then always create them in your project. You then need to use the Phase Mapping process to align your phases with the Link's phases. You can do this by selecting the Link > Edit Type > Phase Mapping. I am an MEP guy, so this is standard on every project for me. Half the time, the architectural link is the default "Existing/New Construction", and the rest do have an actual custom phasing convention, in which I have to add Phases and map them accordingly.

                    Phase Filtering can vary based off your own needs. You may have more or less than the Link's Phase Filtering, and naming doesn't matter.
                    Tannar Z. Frampton ™
                    Frampton & Associates, Inc.

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