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  1. #1
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    Default What is the formula for the ISO rating

    Does anyone know how a departments ISO rating is figured out?

    I believe it has something to do with Pumping capability, hose lays on the truck, reserve hose, number of men, communications and city hydrants. Any information on this would be greatly appreciated


  2. #2
    Forum Member CaptOldTimer's Avatar
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    It is that and some more. I would contact the ISO office and get right from them.

  3. #3
    Forum Member Bones42's Avatar
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    It's about 10 pages worth of information. Dispatching, how calls are received, water supply system, testing, training, manpower, buildings in the area, equipment, record keeping, etc.
    "This thread is being closed as it is off-topic and not related to the fire industry." - Isn't that what the Off Duty forum was for?

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    MembersZone Subscriber ullrichk's Avatar
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    Go to the ISO page and ask for a copy of the Fire Suppression Rating Schedule (FSRS). It IS the formula for ISO ratings (with very little explanation).

    If you are not the chief, expect it to set you back a few dollars. I think every department can get at least one copy free. Be sure and ask for "equivalencies" for engine and truck equipment. They will usually fax that to you. It is a list of equipment that is considered an acceptable substitute for what's printed in the FSRS - like a preconnect in lieu of a booster line, etc.

    The whole thing gets pretty complex, but you can get through it. In my opinion it is worthwhile.
    ullrichk
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    Go to www.isomitigation.com. Click on the public protection link. ISO provides most of the info you are looking for.

    Water supply and dispatch service play a fairly large amount in your rating. Little things can also "make or break" getting to a higher class. We had a neighboring dept miss by 0.10 point. Be sure to check the small stuff like having the dept business phone number listed in both the govt. and white pages of the phone book.

    Good Luck
    IACOJ

  6. #6
    Forum Member Bones42's Avatar
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    and remember, with some insurance companies, a rating of 1 is the same as a rating of 4.
    "This thread is being closed as it is off-topic and not related to the fire industry." - Isn't that what the Off Duty forum was for?

  7. #7
    MembersZone Subscriber ullrichk's Avatar
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    While going below Class 4 usually doesn't result in lower insurance premiums for homeowners, commercial properties may still enjoy a big break (though it's harder to quantify).

    These generalizations may not be true where you are, or for a particular insurance company (State Farm comes to mind) so it's a good idea to get a feel for the local situation with your insurance agent.
    ullrichk
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    a ship in a harbor is safe. . . but that's not what ships are for

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    Thanks

    Now the hard question, is there a easy worksheet to do a check off on the trucks?

  9. #9
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    Go to the ISO web site linked in my first reply.
    Scroll Use the PPC link. Scroll down to the Fire Suppression Rating schedule link. Scroll down to Other useful information. Use the two links about the FSRS. It gives you the points for equipment and apparatus. Note that you can get credit for a "service" company in place of a ladder company if the right equipment is carried.

    Stay Safe
    IACOJ

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