Figure 19. An example of a barricade between stacks
e. Inspection. Barricades should be inspected periodically to determine their overall condition, degree of
settling, and required maintenance. Rocks and other debris larger than 10 pounds or 6 inches long must
be removed from the barricade and/or the hazard source. These could become fragments in the event of
a detonation. The minimum depth of earth cover over magazines shall not be less than 2 feet.
12. You have completed this lesson. You will now take a Practice Exercise to use the material you learned in the
lesson. When you complete the Practice Exercise, proceed to the subcourse Examination.
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