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NFIRS 5.0 Element: ‘Exposure Number’

Définition : Exposure is defined as a fire resulting from another fire outside that building, structure, or vehicle, or a fire that extends to an outside property from a building, structure, or vehicle. For example, if the building fire ignites a truck parked outside, the truck fire is an exposure fire.
 
Purpose : Although the Incident Number permits all properties involved in a fire incident to be related together, the Exposure Number identifies each separate property type involved in the fire. This makes it possible to capture the specific details of the fire in each exposure and to relate all the exposures to the basic incident, if necessary. The Exposure Number, in conjunction with other required Section A fields, uniquely identifies each incident itemized in Section C.
When a fire involves more than one building, each building fire should be considered a separate fire, with the ignition for all but the original building fire classified as exposure fires.
Entry : In a fire involving exposures, an additional Basic Module should be completed for each exposure. Each module completed for an exposure should contain the same Incident Number assigned to the original property involved. A separate sequential Exposure Number is assigned to each exposure. The original incident is always coded “000,” and exposures are numbered sequentially and incremented by 1 beginning with “001.” The three-character numeric field is zero filled, not right justified.
The Incident Date for each exposure remains the same as that of the basic incident; however, the Alarm Time in Block E1 should reflect the time of each new exposure.

Element Specification

 Specification   Value 
Requirement Mandatory
Element Type Numeric – Integer numbers (no decimal points). If the user has not provided information, an empty field should be transmitted. All integer values are assumed to be positive. Any fields which allow a negative integer value have been denoted with ‘+ or –’ in the comment field. Negative numbers should be transmitted with the minus sign preceding the digits. – – Starting at Zero

Relational Edit Rules for ‘Exposure Number’

NFIRS defines relational edit rules to ensure data consistency and accuracy in its database. These are the rules for ‘Exposure Number’

Rule Group  Overview
Relational Edit Rule 1 Transaction Key must be Unique.
Relational Edit Rule 2 Content Exposure number positive.

Transactions containing ‘Exposure Number’

The value of this element is captured by the following transactions :

Need more NFIRS help?

Here are some other useful ressources to learn more about NFIRS.

NFIRS Codes Cheat Sheet – NFIRS Coding – NFIRS Examples – FDIDs – POCs – NFIRS Transactions – NFIRS Modules – NFIRS Elements – NFIRS Rules – NFIRS Reference – NFIRS Compliant ?

You can also read this NFIRS 5.0 Complete Reference Guide, and NFIRS 5.0 Design Documentation in order to have a deeper understanding of NFIRS 5.0. Here are also NFIRS 5.0 Forms ready for you to download and use.

We are here to help, Feel free to contact us if you need any additionnal informations.

Last Updated on April 28, 2023