The Fuel Rulesets Database (FRDB), a standalone database exported from LANDFIRE (LF) Total Fuel Change Toolbar (LFTFC), is in Microsoft Access Form format and displays LF fuel rules by Existing Vegetation Type (EVT), non-disturbance or disturbance type, and LF map zone. Fuel rulesets are comprised of the described EVT, combinations of ranges of cover and height, and Biophysical Setting (BpS) within each EVT.

To work with the latest LFRDB, download the latest LFTFC tool.

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Notice

When using Microsoft Access to view a database downloaded from the internet, users may see a Security Risk Error that prevents the database from opening. As of September 2024, all Microsoft products block macros by default to prevent potential malicious activity. To unblock macros on trusted files, do the following:

  • Open the folder in which the file is saved
  • Right-click the file and select Properties
  • Under the General tab, select the checkbox next to Unblock
  • Click OK

To read more about Microsoft and blocked macros, click here.