Scores and PPC™ Ratings

ISO’s Fire Suppression Rating Schedule (FSRS) lists a large number of items a community should have to fight fires effectively and assigns credit points for each item. Using those credit points and various formulas, ISO calculates a total score on a scale of 0 to 105.5.

To receive certain Public Protection Classification (PPC™) ratings, a community must meet minimum criteria:

  • minimum facilities and practices to get a PPC rating
  • minimum criteria for Class 9
  • minimum criteria for Class 8B
  • minimum criteria for Class 8 or better

After a community meets those criteria, the PPC depends on the community’s score on the 100-point scale: PPC Points

  1. 90.00 or more
  2. 80.00 to 89.99
  3. 70.00 to 79.99
  4. 60.00 to 69.99
  5. 50.00 to 59.99
  6. 40.00 to 49.99
  7. 30.00 to 39.99
  8. 20.00 to 29.99
  9. 10.00 to 19.99
  10. 0.00 to 9.99