UXO - Destroying UXO Flashcards

1
Q
  1. What is the primary means of protecting personnel from UXO?
A

A. Evacuate them from the danger area.

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2
Q
  1. What is the minimum safe distance?
A

A. 300 Meters

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3
Q
  1. What are the ways to protect a structure against earth shock?
A

A. Trenching, venting, and buttressing.

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4
Q
  1. Describe an effective trench.
A

A. Should be as close as possible to installation, extend 24” below foundation, slightly longer than radius of earth shock, at least 18” wide

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5
Q
  1. Describe an effective buttress.
A

A. 10’ wide at base, tapered to at least 4’ wide on top, must not extend to opposite wall, sandbags interlock.

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6
Q
  1. Describe Barricades.
A

A. Must be high enough to block shock waves from height of installation, wide enough to protect corners, thickness or depth is 3’ for less than a 105mm, 6’ for 105mm and above.

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7
Q
  1. What is the K factor for light case munitions for determining safe frag distance?
A

A. 300

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8
Q
  1. What is the K factor for heavy case munitions for determining safe frag distance?
A

A. 500

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9
Q
  1. What is the K factor for a mix of light case and heavy case munitions for determining safe frag distance?
A

A. 650

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10
Q
  1. What is the formula for determining safe-blast/safe-frag distance from cache detonating point?
A

A. D= K x Cube root of (NEW x 1.38). Answer will be in feet.

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11
Q
  1. Describe SF method for cache destruction.
A

A. HEAT munitions between Heavy case rounds, place primed block on rocket motors, stack munitions no more than 2 high, blocks of C4 overlap 1” minimum, rows of C4 will be placed on body of munitions, primed at both ends

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12
Q
  1. Describe Lattice method for cache destruction.
A

A. HEAT munitions between Heavy case rounds, place primed block on rocket motors, stack munitions no more than 2 high, blocks of C4 overlap 1” minimum, rows of C4 will be placed on body of munitions, add a block of C4 about every third block to form a ladder, primed at both ends

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13
Q
  1. Describe donor method for cache destruction.
A

A. Use mine (face up or face down) to cover munitions plus two on each side, two stacks high (mine doesn’t count as a third), claymores cannot be donor charge, 2 primed blocks of C4 on top per mine.

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14
Q
  1. How much C4 used to destroy hand grenade or smaller?
A

A. ½ block M112 as close as possible to UXO

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15
Q
  1. How much c4 used to destroy mines?
A

A. 1 block M112 as close as possible curved around the mine

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16
Q
  1. How much c4 used to destroy HEAT?
A

A. 1 block on each side to crush the cone (if hand grenade HEAT ½ block each side)

17
Q
  1. How much c4 used to destroy HE round?
A

A. 1 block as close as possible to warhead

18
Q
  1. How much c4 used to destroy HE rocket?
A

A. 1 block as close as possible to warhead 1 block as close as possible to rocket motor

19
Q
  1. How much c4 used to destroy APHE round?
A

A. 1 block on each side (thick casing).