The H-Factor

Reducing Entropy

Recent Posts

Adding Hanger Types to HydraLIST

If you want to use a new type of hanger, or are a fab shop that gets a job from a contractor that uses a hanger type that you do not have, it is easy to add that new hanger type to your own machine. A hanger is an assembly, and an assembly is just…

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Using a Non-Standard Pipe Type in HydraCALC

A customer called today asking how to enter a 1″ black plastic underground pipe for the calc. This particular situation sounded unique enough that I did not tell him to add that pipe type to our database, as I would have if he expected to see this pipe type used repeatedly. I told him to…

September 2026
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Category: HydraCAD

  • From a customer, answered by my co-worker John: Q: I want HydraCAD to fab a consistent 0-2” nipple for all of my Riser Nipples. I know the cut length will vary depending on the pipe it is attaching to and I am having to insert Riser nipples on grid lines, armovers, and mains and guess…

  • The previous post discussed how to alter the outlet on a riser nipple by double-clicking on it. Here I will go over some other situations (including the original situation): In all situations, double-click on the riser nipple, then click a third time. This will bring up the Riser Nipple toolbox. Pick Apply when done to…

  • Say you have a standard return bend. A 1" 0-4 (CC) feeding an armover that feeds a head. It looks something like this: Now say you need to offset that head to the next tile up, but want to keep the same connection point to the branch line. In short, you want it to look…

  • I stumbled across this AutoCAD command today while looking for a solution to another problem: "ATTSYNC – Updates block references with new and changed attributes from a specified block definition. Use this command to update all instances of a block containing attributes that was redefined using the BLOCK or BEDIT commands. ATTSYNC does not change…

  • In V50/V51 we consolidated all the hanger details (and fittings, riser details, etc) into group drawings. To create your own hanger detail it is probably best to modify one we already have. From the CLEANUP toolbar, select the second button (which is a flyout) and select Hanger Details. This will open a drawing containing all…

  • In my opinion, probably the best new feature in AutoCAD 2012 is the Viewport Label Menu. This is in the upper left of the drawing area: Especially when it comes to 3D fittings. Lets say you created a 3D riser and you want to display the SW Isometric View and have the Visual Style of…

  • We all have drawings that go bad. Over time, the minor errors build up and overwhelm the ability of AutoCAD to cope. How do we attempt to fix them? This is our usual plan of attack, in order: 1. Run RECOVER 2. Run Super Purge (PURG) 3. Start a new drawing and insert bad drawing…

  • Many years ago, customers asked us to give them an 'atta boy' for getting no errors when running Checkups. That evolved from just the Congratulations dialog box to the dialog plus the Congratulations spoken message. The voice being used depends on the version of Windows you have. On Windows XP, the voice is officially known…

  • One of the longstanding requests from customers has been to be able to use other than E and T for their Elbows and Tees when they AutoCalc. They may be calcing a CPVC job, so they want to use other fittings that are assigned to CPVC specific products, for example. Or they may use FireLock…

  • A customer needed to draw a polyline around a floor section of a building and wanted the area of the floor section (square feet) to be attached to it. This can be done with fields, and can many cool things. In fact, this exact feature is how we are creating remote areas with the square…