> For the complete documentation index, see [llms.txt](https://docs.enercalc.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.enercalc.com/efr-user-manual/calculation-types/working-with-beam-calculations/beam-design-rules/changing-design-rules-from-ene.md). # Changing Design Rules in ENERCALC How design rule changes made within ENERCALC affect only the current beam and create or match rule definitions on save. Once a beam calculation has loaded in the ENERCALC interface, the various design properties driven by beam design rules are exposed to view and modification by the user in various locations. The precise location of these controls may vary from one beam module to the next. ![](https://4249100372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgHVzpA9PT0VcuNGp6j39%2Fuploads%2Fgit-blob-c843d27c35107dec6d7d1a0e28586d9245a9ec25%2Fclip0810.png?alt=media) ![](https://4249100372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgHVzpA9PT0VcuNGp6j39%2Fuploads%2Fgit-blob-f9026a8b645a5b41cd7438c9ff1741cd7e89ee44%2Fclip0811.png?alt=media) ![](https://4249100372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgHVzpA9PT0VcuNGp6j39%2Fuploads%2Fgit-blob-62722b253b0ff7caa7e6dbbd52333cdc1ddf49fa%2Fclip0812.png?alt=media) If any of these values are manually modified in the ENERCALC interface, the changes will impact ONLY the current beam element. Changes made to an individual beam's design rules within ENERCALC will NOT propagate to other beams designed using the same rule definition. If the user does wish to modify many beams at once, refer instead to [Modifying Rules](/efr-user-manual/calculation-types/working-with-beam-calculations/beam-design-rules/modifying-rules.md). Once beam design rule values have been changed in a particular calculation, the new values will be applied to the Revit model in one of two ways: 1.) If any existing rule definition found in the Revit project has properties that match the revised settings on the beam, then the matching definition will be found and applied to the Revit beam element on "Save and Close". The rule definition previously assigned to the beam will NOT be modified, and no other Revit beam elements will be affected by the rule change. 2.) If there is no existing rule definition found in the Revit project with properties that match the values assigned in ENERCALC, then a new rule definition will be created and applied to the Revit beam element on "Save and Close". The rule definition previously assigned to the beam will NOT be modified, and no other Revit beam elements will be affected by the newly created rule. --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter: ``` GET https://docs.enercalc.com/efr-user-manual/calculation-types/working-with-beam-calculations/beam-design-rules/changing-design-rules-from-ene.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.