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NFIRS 5.0 Element: ‘Mixed Use’

Definition: Some properties have multiple uses, e.g. a farm has both residential and farming uses. Please see ‘property use’ for the precise one at which the incident occurred.

Purpose: Documenting an incident that occurs on a property with more than one use is important to better identify the overall or main use of the property in which emergency incidents occur. Knowing the overall property use allows for better analysis of incident causes and targeting of prevention strategies. It also is important information for use in code development and enforcement as well as for inspection activities.

Need something else? Here is the complete list of all NFIRS modules and subsequent NFIRS transactions, plus a list of all NFIRS elements.

NFIRS References

See Also

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NFIRS Coding

Here are the NFIRS codes for the ‘Mixed Use’ element, including any “other” values in case none of the preselected choices match:

Common Examples of Mixed Use

More commonly used values for Mixed Use…

Mixed Use  Code 
Not Mixed Use NN

All values for Mixed Use

Mixed Use  Code 
Assembly Use 10
Educational Use 20
Medical Use 33
Residential Use 40
Row Of Stores 51
Enclosed Mall 53
Business And Residential Use 58
Office Use 59
Industrial Use 60
Military Use 63
Farm Use 65
Mixed Use - Other 00
Not Mixed Use NN

Transactions containing ‘Mixed Use’

A few NFIRS elements are reused accross a number of transactions, but typically the value is captured by one transaction only.

Element Specification

 Specification   Value 
Requirement Optional
Expected Length 2
Element Type Coded Field - The coded field relating to an entry in the code table. Most coded fields allow for Plus+ One codes. For these fields the expected length of the coded entry is depicted as (National length OR Plus+ One length). Only fields with this notation in the expected length column allow for Plus+ One definitions. If the user has not provided information, an empty field should be transmitted.
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