Level Up

Urban Search and Rescue Codes

Have you ever seen the X on abandon homes during emergencies? Here, we decode the FEMA X-code, as well as INSARAG's codes.

April 5, 2020
By:
Aaron
Introduction
Photo taken by Author of Gulf Coast, early 2006.

Hurricane Katrina is the most infamous natural disaster in U.S. history, and in it's wake, it left myth, unanswered questions, and subtle lessons to those who sat stunned and watching from the outside. Closer to home, the first responders who faced the crisis, and the victims of the storm were overwhelmed by the scope of the tragedy. It was hard to imagine a disaster of such intensity, and for the relief workers, looking to save lives, it was necessary to have a simple and effective way to clear structures and check for survivors.

With so many isolated by the flood waters, FEMA needed a highly visible method of communicating when a structure had been cleared, when, by whom, and of course, what they'd found. Most people are familiar with the X-Code system, but there's more to it than that. In Urban Search and Rescue, there are other symbols to cue first responders in on what's going on in their area of operation. Not only that, but there are international guidelines as well as those used domestically. We'll take a look at them here.

The FEMA X-Code

Perhaps nothing is as synonymous with the aftermath of Katrina that the X-Code. This code became an ominous reminder of the failures that accompanied Hurricane Katrina, but for those rescued, they were a sign that the worst had passed.

Functionally, The X-Code system is meant to be a permanent feature of a structure that's been cleared by an Urban Search and Rescue team, so that teams can quickly determine some critical facts about the locations.

There are various articles devoted to interpreting these signs, but there are some details that should be understood as well. You can read the full manual here[1], but here's our breakdown:

  1. Upon initial inspection and subsequent entry, a single slash (\ = top left to bottom right) is painted on a visible, exterior wall. This shows anyone outside that the building is currently being checked by rescue personnel. The Team identifier should be placed at this time.

  2. Upon completion, the second slash is added (/), and the appropriate information is coded in it's respective quadrant:

  3. On the left, the Rescue Team or Unit that conducted the search.

  4. On the top, the date of search.

  5. On the right, Hazards encountered. The image shows a few, but there are others; Gas, Standing Water, Roof Collapse, etc. Since the composition of rescuers is not standardized, hazards should be noted in a way that's clear, but brief.

  6. In the bottom, the number of victims found dead or alive.

  7. If the search is interrupted or incomplete, a circle in the center of the X will be present. A plus (+) over the X indicates that a new search has been conducted.

  8. A box under the Victims Quadrant on the bottom is used to indicate location; usually with an "F" designation (to identify floor on which victims were enountered). Missing from this graphic is also "no entry", which occurs when only the exterior is searched... often the case when structural integrity is called into question.

It's important to remember that you may encounter codes that you're not familiar with, or situations that may not have an obvious code. Use these as a reference, not as a "set in stone" guide to Urban Search and Rescue, or coding in the Post Disaster Environment.

INSARAG Code

The International Search and Rescue Advisory Group (INSARAG) has a different coding setup that the Search and Rescue or survivor may encounter. Like FEMA's X Codes, the INSARAG codes may vary, but here is the basic layout. The Square is painted on the structure with Team ID, Go/No-Go, and the start time and date. A slash is placed in the middle when the structure has been cleared and the information is filled in as applicable.

While it's unlikely a U.S. Citizen will encounter this, a substantial enough disaster that requires international assistance may bring codes like this to the U.S.

If you're one of our international readers, you may find this useful, though be sure to check to ensure your country doesn't have it's own protocols for less extensive disasters.


Conclusion

These codes can be a critical element of situational awareness in the post-disaster environment. It's wise to put them on a note card or pad, and laminate it so that you can quickly reference them. Be safe, and as always, stay observant and vigilant.

Cheers,

Aaron Yr

Sources:

[1] FEMA, "National Urban Search & Resuce (US&R) Response System: Field Operations Guide". 2006. FEMA, Response Division, Operations Branch. Washington D.C. Recovered from Web: https://www.fema.gov/pdf/emergency/usr/usr_23_20080205_rog.pdf

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