> 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-loads-16/launching-without-revit-loads1.md).

# Launching Without Revit Loads

How to launch a beam calculation with no Revit loads and apply loads manually in ENERCALC SEL, mapping them back to Revit.

Although detection of Revit load elements is supported in ENERCALC for Revit, it is also permissible to launch a beam calculation with no existing Revit load objects. In such cases, the beam calculation arrives in the ENERCALC SEL interface with no loads applied.

![](https://4249100372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgHVzpA9PT0VcuNGp6j39%2Fuploads%2Fgit-blob-2abb5e9f38f310776e60b1c2660bdb3ab3f7acfb%2Fclip0160.png?alt=media)

![](https://4249100372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgHVzpA9PT0VcuNGp6j39%2Fuploads%2Fgit-blob-806015bf55d8e82ca5f68fdf16b40539ff90c627%2Fclip0161.png?alt=media)

Once the calculation appears in ENERCALC SEL, loads may then be applied to the beam calculation manually via the “Span Loads” and “Loads All Spans” tabs.

Loads created manually by the user in ENERCALC SEL will be automatically stored in the Revit model after the “Save and Close” operation is complete. The general protocol for mapping these loads from ENERCALC SEL back to Revit is as follows:

* Loads created in the “Span Loads” tab are mapped back to Revit as ***non-hosted*** load elements.

![](https://4249100372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgHVzpA9PT0VcuNGp6j39%2Fuploads%2Fgit-blob-31776e75e5deffe49b9fbbfebc205943250861ba%2Fclip0162.png?alt=media)

![](https://4249100372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgHVzpA9PT0VcuNGp6j39%2Fuploads%2Fgit-blob-23a704b13e984eb2a4747f659140942fc5899050%2Fclip0163.png?alt=media)

* Loads created in the “Loads All Spans” tab are mapped back to Revit as ***hosted*** load elements.

![](https://4249100372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgHVzpA9PT0VcuNGp6j39%2Fuploads%2Fgit-blob-407695d39b6d8e03ff1e40b86caf46308cc33549%2Fclip0164.png?alt=media)

![](https://4249100372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgHVzpA9PT0VcuNGp6j39%2Fuploads%2Fgit-blob-2b27ef3f351376711de6f032da52155322c7f5f0%2Fclip0165.png?alt=media)

Users will note that there are certain minor differences between the conventional “Loads All Spans” tab and the tab available when the calculation is sent from Revit. The input controls for arrays of point loads extending across multiple spans are **NOT** available when working with Revit-based calculations.

![](https://4249100372-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgHVzpA9PT0VcuNGp6j39%2Fuploads%2Fgit-blob-7bf41470b288d7ac2e577a95f82945755417937b%2Fclip0166.png?alt=media)

Hosted point loads may not be directly created from SEL because they are only used to represent reactions from other beams. As a result, any point load created in the SEL interface will populate the Revit model as a non-hosted point load.


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