Forums >> Revit Systems >> Technical Support >> Connecting 3 Pipes

lpcampbe

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Joined: Wed, Mar 24, 2010
3 Posts
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Hi. I'm still new to Revit MEP, so hopefully you guys can help me out. I've successfully drawn most of my undergound piping, but I have some pipes that need to connect from 3 directions... I'll attach a print screen so it makes more sense. My biggest issue is that (generally speaking) at least one of the pipes is a different size. So when I created the pipes an elbow fitting would pop in but it wouldn't let the 3rd connect. Suggestions?

 Edit: I inserted a 3-way pipe fitting (a tee reducing sanitary and/or vent) and got two of the pipes to connect just fine, the third won't connect, however. (3 different sizes of pipe, 15", 18" and 24" )

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mbsteve

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Joined: Fri, Sep 22, 2006
759 Posts

Just looking at the plan view you submitted which is very helpful. Looks like you are at the edge of a roadway with the structure that you need here. I would model what it is that you are going to use there. There won't be a fitting for 24" RCP, I would model a Christy Box, because that is what will likely be used in this area. This company makes prefabricated concrete drainage boxes that have knock outs for different sized pipes. You could look them up on the internet. Most likely there is a company in your area that makes a similar device. Anyway I would model it inplace or create a box that can be modified. Because of the location of your junction you probably want to actually have a (DI), drainage inlet, grated with curb on one side. This also allows for cleaning from time to time. To create this device, I would model in place with several different solid extrusions and you will need to either place a pad for the base. Hope this is some help, model it like the local variety and give it the model reference for the local companies manufacture. Good luck with it.

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