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…

Welcome

Recently our previous blog service (Typepad) ended their business – so, we have a new home. It will take a bit to get images back and displaying properly, but we are working on it! Final pageview count of original Typepad blog: 387,232

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

  • I had a customer contact me today because he was unable to use any of the internet spawning commands in HydraCAD including Send an Email to Hydratec, Hydratec Website and Hydratec Support Blog (this blog). The cause of his problem was that a browser was not associated with HTML files. Instead, some other program was.…

  • One of the best features in AutoList is the addition of automatic line and main tags. Where are the settings for adding these found? When you Start AutoList (SAL), right on that dialog: You will find two options pertaining to the tags, one for lines and one for mains. Select the ones you want to…

  • A customer contacted us about a problem with his drawing as the drawing only had about a hundred heads but was 32+ megs. It turns out that the drawing had a large number of DGN Linetypes, and these really bulked up the DWG file. Before we got to dig too deep into the problem, the…

  • From a customer: “Hello.  I have used Hydratec for a number of years and believe it is the best and easiest software to use.  I do have a suggestion.  Is it possible to put a drop-down on the beginning of Hydra-Calc Setup along with the head area, first node, etc. that would allow you to…

  • From a longtime customer: Q: What do you think about having the option to do arms as an option for pretty pipes, example why; I have an existing system and the lines and mains are existing and the arms are new so I want the pretty pipes of the existing to be blue dashed and…

  • I really, really don’t like the way AutoCAD accesses its help on-line instead of on my local drive. The time lag drives me nuts and if I am away from the internets, I cannot use it, period. Luckily, Autodesk has made it easier than in the last few versions to download and install the offline…

  • The CPVC command on the Listing toolbar very quickly generates a raw material list for plastic, but can be used for just about any other piping material. And, it creates a file that can be imported into HydraLIST to check for availability of fittings and swapping of bushings for other fittings. Once selected, you get…

  • Grips, IMHO, are the best thing AutoCAD ever added to their program. When they first came out, everyone freaked out (myself included) and we turned them off until we got a better, um, grip on them. Many (most?) people use grips to move a single object. But, they can be handy to use many objects…

  • From a Customer: “On this job, the main is sloping (using the sloping pipe block), as are the lines. I need the last head to be 5” down from the deck. I Gave them a fixed elevation of [5 Bts] and a fixed elevation at the top of the riser, [34 BTS], but it does…

  • From a customer: “When I mirror typical piping for an area, how can I get the riser nipples to rotate properly without having to reinsert them all?” This is from the drawing he sent me: There is a solution. And, the truth is, I didn’t know about the following tool myself. 1. Pick the 3D…