BY ORDER OF THE AIR FORCE PAMPHLET 91-215 SECRETARY ...
BY ORDER OF THE AIR FORCE PAMPHLET 91-215 SECRETARY ...
BY ORDER OF THE AIR FORCE PAMPHLET 91-215 SECRETARY ...
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4 levels is usually very limited. The goal is to be as logical as possible when constructing logic diagrams,<br />
but it is more important to keep the hazard ID goal in mind than to construct a masterpiece of logical<br />
thinking. Therefore, a logic diagram should be a worksheet with lots of changes and variations marked on<br />
it. Logic diagrams can be completed by a single individual, but with the additional of a chalkboard or flip<br />
chart, it also becomes an excellent group tool. Figure A2.10 below is a generic diagram followed by a<br />
simplified example of each of the types of logic diagrams (Figures A2.11, A2.12 and A2.13) clearly<br />
showing the concept of each.<br />
Figure A2.10. Generic Logic Diagram.<br />
EVENT<br />
PRIMARY CAUSE PRIMARY CAUSE PRIMARY CAUSE<br />
SUPPORTING CAUSE SUPPORTING CAUSE SUPPORTING CAUSE SUPPORTING CAUSE<br />
ROOT CAUSE<br />
Figure A2.11. Positive Event Logic Diagram.<br />
TIEDOWN PROPERLY<br />
ACCOMPLISHED<br />
CLEAR<br />
PROCEDURES<br />
ROOT CAUSE<br />
CONTAINER STAYS<br />
ON VEHICLE<br />
ETC. ETC.<br />
GOOD<br />
MOTIVATION<br />
49<br />
GOOD<br />
TRAINING