Forums >> Revit Systems >> Technical Support >> Pipe Accessories and Pipe Type parameter

Gyvven

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Joined: Wed, Dec 19, 2007
69 Posts

Using Revit MEP 2011 (we have 2012 but aren't allowed to use it for projects yet).

Currently we use Filters to control linetype, color and visibility for the various types of systems. We also have multiple Pipe Types so we're not relying on the limited System Types (and problems associated with them). However, our Pipe Accessories are only able to see system type and can't easily be filtered along with the type name. My idea is to have the pipe accessory pull the pipe type from the attached pipe and fill in a parameter that we can then use to filter. Does anyone have an idea on how we can get a parameter to populate with the attached pipe type? How do fittings come in with the proper pipe type? That's essentially how I'd like my valves and pumps to come in.

What have other peopel done with regards to visibility of valves and such from other systems you don't want visible? I.e. Gas pipes are on but domestic water is off yet all of the domestic vater valves are still visible. We've been hiding elements in each view and I just hate doing that, not a good practice. 

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Eddieboarder91

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Joined: Mon, Jul 16, 2007
237 Posts

So many questions so little time. Lets start from 1...fittings are defined in the type properties for the respective pipe types, it sounds like you have one for DCW, DHW, San, Vent, Storm, O2, etc? which is no problem...inside each of these is where you can define whether you want copper, pvc, etc too. Valves (pipe accessories) react a little differnt than fittings you will notice that some valves will break directly into the piping and inherit the size and some will not this all goes back to the way they were created. If i rememeber correctly I believe it was the pipe size parameter being an instance parameter that allows the valve to inherit the size of the attached pipe. Though as you may have seen that is really the extent of the info transfer from pipe to valve. 

On projects that I have worked on, I have used a combination of filters, type names, and worksets have yielded the best results for me. Of course every project is different but if you can just use the workset. The other option you have is to apply a project parameter to all pipe accessories and input a value that your filter will look for too, this is much more clunky though.

hth.

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Gyvven

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Joined: Wed, Dec 19, 2007
69 Posts

I'm playing with using worksets to hide disciplines, then catagories and filters to fine tune. I've used this technique at another firm but there is a bit of reluctance from the folks at this office. I hear "worksets aren't meant to be used for visibility control" all the time, but my argument is "why would the option be there if it weren't meant to be used?" I'm doing one project this way to show them how much better and faster it is than trying to track down all the stray valves that don't filter out. I just wish 2011 would allow workset settings to be saved in view templates since I have no idea how long it will be before we're approved to switch to 2012.

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cwfulwider

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Joined: Tue, Dec 27, 2011
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Our firm is using Revit 2012 and it has improved capabilities for MEP piping, especially sloped piping, we have also used work sets to be able to filter individual systems in the model.  Note I am not a Revit user, I can get into the model and look around and that is about it, so I'm not a lot of help to others.  What I'm looking for is someone that has created or knows where I can import or procure piping families for large bore pipe  2 1/2" and large, specifically 45° and 90° Elbows, tees, reducers etc.  We have found small bore screwed fittings and drain pipe fittings but I am looking for welded fittings.  Any help will be appreciated.

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