The Seismic Bracing Calculator is fully functional* and ready to be used for creating UL & FM submittals for your projects using PHD Manufacturing, Inc. seismic assemblies.

To access the software please click this link or navigate to http://phdseismic.phd-mfg.com

* For customers using the previous version of PHD’s Seismic Calculator, please note that that version and the projects/data associated with it will no longer be available after March 31st, 2022.

First time users please note, new user registration requires an activation code that can be provided by your PHD Manufacturing, Inc. fire protection products distributor. Please contact your distributor for details. If you have not yet set up an account with a distributor or if you are an independent design/engineering firm that does not purchase products, please go to the registration page and submit the form. You will then be contacted with registration instructions.

* The software is still in Beta mode and features are being added on a continual basis. We have provided a feedback form on the site that we encourage you to use to let us know what you think or if you should encounter any errors.