REPORT OF
THE FIRE SAFETY REVIEW TEAM
MARCH 1967
A PLAN TO FURTHER REDUCE
THE CHANCES OF MEN BEING BURNED WHILE FIGHTING FIRES
DOWNHILL LINE OPERATIONS AND “CHIMNEYS”
The Loop Fire Analysis Group recommended a physical checklist for downhill
line operations whereby such an operation would be done only when all
critical factors are aligned favorably and checked off the list. Further,
that this checklist include complete factual knowledge that the toe of
fire edge will be held in a safe condition.
Men lost their lives by burning while constructing fireline downhill
on the Inaja,
Silver Creek and Loop fires.
At the present time there are no written instructions for correct procedure
and what factors to be considered on how to locate and construct a fireline
downhill. Downhill line construction is an acceptable practice in many
forest areas and has not created an unusual safety hazard except in the
flashy brush types.
A physical checklist was prepared for downhill line operations by the
Fire Safety Review Team and found that it was not practicable on most
situations. A checklist of this type would weaken our present Ten Standard
Firefighting Orders.
Recommendations:
Instructions for correct procedure on how to locate and construct fireline
downhill should be included in Fireman’s Handbook, Chapter 50. These
instructions should also be included in the Sector, Crew Boss and Line
Scout training outlines and other appropriate places to get the message
to field employees.
To construct fireline in the flashy brush types downhill, requirements
that are a must are:
-
Be sure the toe of the fire is anchored and communications established
with crew at the toe of the fire.
-
Establish an anchor point (safety zone) before starting down.
-
Fireline can be built on fire edge
or burned out as you go, and always have access far enough into burned
portion of fire for safety (have one foot in the burn).
-
No “chimney,” “chute,” or “flue”
on or adjacent to the proposed line exists with unburned fuel below.
-
When the control line cannot be built directly on the fire edge,
its location should be far enough from the fire edge to provide adequate
time for line to be constructed and fired out, and also allow enough
margin for safety. Make certain that qualified firemen make this
decision only after scouting in advance.
WASHINGTON OFFICE COMMENTS:
We agree with the Review Team’s findings that a physical checklist to
be carried by firefighters is not needed. But a checklist would be valuable
to serve as a basis for training and to remind fire overhead of factors
to consider when planning downhill line building strategy. The team’s
recommendations on this point are, therefore, modified to include preparation
of a checklist to be inserted in the Fireman’s Handbook, appropriate
training materials and regional fireline notebooks.
Instructions and training should specify the responsibilities of the
crew at the bottom of the slope as well as those of the crew coming down
and other overhead.
Requirements a, b, d and e are approved. To Requirement c should be
added: “When line is built downhill away from the fire edge, it is desirable
to finish autonomous sections of line before burning them out.”
ACTION GUIDES:
Task
|
Responsibility |
Target Date |
- Prepare checklist and revise
|
Director, Division of Fire Control |
3/31/67 |
- Revise regional fireline notebooks and other pertinent regional
and area instructional materials
|
Regional Foresters and Area Directors |
5/19/67 |
- Revise pertinent regional and area training materials
|
Regional Foresters and Area Directors |
5/31/67 |
- Revise training materials used at National fire training meetings
and common Servicewide materials controlled from the Washington
Office
|
Director, Division of Fire Control |
12/29/67 |
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