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Recent Posts
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…
Using the Hydratec Software Download Area
Hydratec uses ShareFile to distribute our software installs and updates. New customers, or those without access, must request access to be able to get at these downloads. Access is only available to customers with a Hydratec subscription or those on an update plan. You can access the download area and request access by picking the…
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Author: art
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Tutorial #5 in the HydraCALC manual explains how to use HydraCALC-Sizer to automatically build a grid based on some simple inputs. The grid it builds is ready to be AutoPeaked. Aside from that, how does AutoPeaking work in HydraCALC? And what is AutoPeaking? NFPA-13 Section 22.4.4.4 addresses gridded systems. It states that the designer must…
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HydraCALC is set up to use either a city supply or a pump. There is currently no provision to choose use a tank or cistern specifically, but there is a way to do it none the less. From a Customer: I have a 42 foot tall water tank. How do I use this supply in…
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From a customer: I updated my HydraCAD and I set my workspace as current but every time I open HydraCAD it opens with HydraCAD Standard. I have been in the customize area and set my personal cui as current but it doesn’t start up with that. How do I make it show up every time?…
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An easy to view list of all H-Factor topics can be found on our index page at H-Factor Index For technical questions, please email support@hydracad.com
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From a customer: Is there a way to edit the length of multiple riser nipples at once? Answer: If they are a Specified Length, then yes. Type in CL to launch the Change Length command. Check the Filter a Specific Block to do many RNs at one time If they are Computer Generated, then just…
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In order to calculate certain foam systems, a Darcy-Weisbach calculation must be done, as opposed to a Hazen-William one. This was touched on in this older blog post: Darcy-Weisbach Who? The following are numbers found in the technical data sheets of a particular brand of foam concentrate. Notes are added to illustrate which numbers go where.
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If you have trouble with AutoCAD and uninstall it and reinstall it, you may still be getting the same errors and wondering why. This is because uninstalling AutoCAD does not remove all the ‘crumbs’ left behind. These crumbs can get in the way of a good AutoCAD reinstall. There are a number of pages on…
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Say you want to have European Standard fittings selectable in HydraCALC. You pick Utilities / Alter Pipe and Fittings to bring up the pipe tables and see they are already created, but you wonder why they don’t show up. The reason is there is no Short Name assigned to them. HydraCALC does not have every…
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A customer sent a job over looking for an explanation: “I have an inquiry about HydraCALC. I’m trying to calculate a system with sloping branch-lines as shown in below figure. I made two calculations in which everything is the same except for the elevation. First, all heads have same elevation of 20 feet. And second,…
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From a customer: Can I AutoList a plug at top of this tee? From my co-worker Bill – yes you can: This will list the correct tee at the end of the riser nipple and will list the plug with the miscellaneous material. 1. Insert a sprinkler head block defined as “directly connected” at the…
The H-Factor 