"Fluid Order" A Pattern Language for Frontline Firefighting

A very nice study of frontline firefighting was done by Sebastian Denf in 2011, "A Pattern Language of Firefighting Frontline Practice to Inform the Design of Ubiquitous Computing ". Below is the wonderful list of design pattern definitions that were culled from interviewing firefighters to define the nature of their work. The full paper also discusses how to use these identified patterns to "transform the existing practice into a design space for computing support".

Below are the definitions of the following named patterns, shown with some of their main interconnections in the figure.  ​I think the descriptions below are remarkably clear, showing what a pattern language approach can really do for the general field of "expert systems".  

1. Fluid Order, 2. Rigid Structure3. Independent Units4. Procedures
5. Ever-Changing Puzzle6.Take Good Care7. Shared Estimates, 8. Monitoring9. Big Family10. Backup Team11. The Way Back
2. Multimodal Acts13. Mash-Up14. Handy Multi Tools15. Exercise,
16. 
Learn By Mistake 

One high level pattern I thought seemed implied but not clearly stated is how you get "fluid order" and "rigid structure" to work together.   I think it's by teams that know each other so well they can respond creatively as a whole while maintaining global awareness as they work.   It's something I often see on crowded streets in New York, where people seem to be not be paying attention to anyone else because they are maintaining a global awareness of everyone else, allowing streams of people to cross without interference....   JLH  1/10/15

A Pattern Language defining Frontline Firefighting Practice

from "A Pattern Language of Firefighting Frontline Practice to Inform the Design of Ubiquitous Computing ".

Sebastian Denef 13 December 2011 Diplom Media System Designer (FH),
Hochschule Darmstadt geboren te Leipzig, Duitsland ISBN: 978-3-8440-0533-2 

1.     fluid order

Firefighters are called when something has gone wrong, when systems are out of control. They need to react quickly to prevent further harm in an ever-changing, life-threatening work environment.

Therefore, firefighters respond to the challenge they face in a fluid manner. They apply existing tactics and former knowledge where appropriate yet need to be aware of the uniqueness of the incident and change the operation according to the situation at-hand. The incident shapes the operation and the operation is shaped according to best practices and experience.

2.     rigid structure

Firefighting operations face unknown, often cha­otic situations. Nevertheless, firefighters have to act promptly and decisively.

Therefore, a rigid organizing structure forms the backbone of the operation. Roles are clearly de­fined and visible, allowing everybody to see who is in charge at different levels. Beyond fixed roles and hierarchies, the structure serves as a means for mutual responsibility and trust.

3.     independent units

As a result of the extreme conditions of the environ­ment, frontline firefighting is an isolated activity. The perceived situation in a burning building is so eminently unique that others cannot put them­selves into the position of the individual working on the frontline. This makes it very difficult to give detailed top-down instructions in a rigid structure from outside.

Therefore, small work units of two or three fire­fighters work very close with each other and only receive general missions. Detailed decisions are left to the unit itself.

4.     procedures

Firefighters need to react promptly; af­ter the arrival on-site, there is only so much time to decide what to do. With a rigid structure they know who is in charge, now the problem is about deciding how to act. Addi­tionally, they have to act collaboratively and even as independent units need be mutually aware of what they are doing.

Therefore, firefighters rely on a set of procedures that define how to react and the next steps to take.

5.     ever-changing puzzle

An incident changes continuously. As early impres­sions could be incorrect, appropriate reactions and procedures require taking emerging infor­mation into account.

Therefore, firefighters join information from dif­ferent sources. They gather information from by­standers, people in need, existing knowledge about the incident site and frontline teams. Commanders work on aligning chunks of information to make sense and to form an overall picture of the situa­tion they are in.

6.     take good care

Even when following procedures, independent units are not necessarily safe. On the one hand, the environment might radically change within bursts of a second and pose immediate threats to the firefighters. On the other, the actions of firefighters could lead to new life-threatening conditions. 

Therefore, firefighters always await the unfortu­nate thing to happen and take means to prevent it. They constantly consider what would happen in case something goes wrong. Thereby, they are prepared for the unforeseen, keep a high level of attention to the environment.

7.     shared estimates

Firefighters need to share information with their peers as part of the ever-changing puzzle; they need numeric figures to make deci­sions on technical equipment. However, they lack information and do not have precise measurements. Therefore, firefighters need to get comfortable with numeric information, produce estimates that size the environment and can be shared.

8.     monitoring

Firefighters might face situations where sudden changes and threats put them in danger and they need immediate help. Those situations need to be recognized. Especially with independent units it is difficult to ensure that emerging threats are identified in time.

Therefore, firefighters monitor the operation and thereby gain an understanding of what is going on now in the context of what has happened before. More than a mere procedure, monitoring means caring for others and fulfilling an expected obligation.

9.     big family

In a firefighting operation with a rigid structure and independent units, tasks and roles have different characteristics and require different skills. It is however neces­sary for firefighters to work jointly on an ever-changing puzzle and to interpret their and others’ situations in monitoring to make mutual sense of the shared information.

Therefore, firefighters form a close team in which seniors and subordinates know each other well, as a big family. They train people for senior positions but ensure that everybody is aware what the oth­ers are doing and that they have empathy for each other.

10.            backup team

As independent units, firefighters might face situations out of which they cannot lift them­ selves. In these cases of emergency they need im­mediate outside help. Other colleagues, however, might be busy with their own tasks and therefore could not be available for quick support.

Therefore, firefighters have backup teams on stand­by that are solely delegated to provide support to independent units who are in trouble on the frontline.

11.            the way back

When engaging an operation in an unknown, dangerous and dynamic environment, firefighters might face difficulties they cannot solve in the lim­ited time they have.

Therefore, firefighters always make sure to have way to return to a safe place. They therefore mark the way that they follow as a path that they know to be safe. They usually use this path to return. This path also works as a way for a backup team to find the teammates who need help.

12.             multimodal acts

Working in rooms full of smoke, firefighters have difficulties in grasping the environment visually.

Therefore, firefighters use all of their senses to feel the environment around them. They rely on tactile feedback from different parts of their body; they look for visual cues, feel the temperature and listen for sounds.

13.             mash-up

While the situation on-site is difficult to predict and firefighters need to take good care, independent units are only able to carry so much equipment to the frontline; each addi­tional tool has to be lifted by an already heavily loaded firefighter.

Therefore, firefighters make creative use of the en­vironment around them. They look for alternative uses of the things that they find along the way. The environment becomes a grand collection of poten­tial tools to be mixed with existing procedures and tools.

14.             handy multi tools

Firefighters frequently face problems that require special tools. Physical constraints and time con­straints make it impossible to have all the required tools at hand as independent units can neither lift additional load nor have the time and energy to go back to the engine, instead they need to mash-up.

Therefore, firefighters bring tools that can be used for different purposes and invent new ways of us­ing the tools. Tools are designed open for new uses and can be combined with the environment.

15.             exercise

Even firefighters do not fight fire all the time. Seri­ous fires are rare. Firefighting missions are one-shot operations, as failures in these interventions can cost lives.

Therefore, firefighters need to train their work over and over again. Thereby they have opportunities to exercise the different aspects of firefighting work practice. Exercises are designed in ways to both in­clude standard procedures and expected exceptions.

16.             learn by mistake

After all, in interaction with hostile and dynamic environments, mistakes are made and unfortunate things happen. procedures and exercise may not incorporate all the possible exceptions that could occur.

Therefore, firefighters use operations with acci­dents or near-accidents to identify the weak spots in the existing practice. They use the analysis of failures as a way to reflect on existing procedures and improve them, respectively. Firefighters pre­vent future accidents by learning from mistakes made in the past.

_______________

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