This question comes up often. The answer is, it depends. It depends on what the bid documents are specifically asking for and what the Architect/GC/Project Engineer/AHJ is asking for. Right now, there are three basic formats:
1. AutoCAD Drawing – If the concerned party is asking for an AutoCAD drawing, then they will also need the Hydratec Object Enabler (unless they have HydraCAD on their computer) in order to see certain elements of the drawing – ie the riser nipples. The enabler is available to anyone that wants it, and does not require a Hydratec subscription. The party may need our font files in order to see fractions properly. A blog post for this can be found at: Shipping HydraCAD Fonts
2. Navis File – If they want a drawing for Navis clash detection purposes, then create this drawing using the Make Solid Pipes (MSP) command. Be sure to check Show Fittings and Heads, because they probably want those. Also, choose the Solid Pipes and Open Drawing option. Send them the drawing that results. There is a video and help file to be found within this command.
3. Revit Model – Revit calls their 'drawings' models. The create one, you will need to have Revit MEP on your computer (or available through a network license). Use the Create RevitLink to System Model command to create this Revit Model. There is a video and help file to be found within this command, or a video illustrating this can be found at: RevitLink Video
The H-Factor 
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