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UXO study guide > Safety definition > Flashcards

Safety definition Flashcards

1
Q
  1. What are the 20 precautions of safety?
A

HE, FRAG, MOVE, EMR, STATIC, EJECT, PE/LUCKY, JET, VT, WT, WP, FIRE, CHEM, CW, C/S, BT, MAG, SEISMIC/ACOUSTIC, APPROACH, TIMES ON TARGET

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2
Q
  1. What is HE stand for?
A

High Explosive

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3
Q
  1. What are the safety rules of HE?
A

a) Do not subject any explosive to heat, shock, fire, friction, or rough handling
b) High Temp increase sensitivity
c) No smoking or flame within 50ft (15.2m)

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4
Q
  1. What is Frag stand for?
A

Fragmentation, two types: primary and secondary, the pieces of munition that fragment or break apart violently upon detonation

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5
Q
  1. What are the safety rules of FRAG?
A

a) Maintain safety distance with appropriate cover

b) Limit personnel at site, and proper protective gear

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6
Q
  1. What is MOVE stand for?
A

Movement, the act or process of moving

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7
Q
  1. What are the safety rules of MOVE?
A

a) Do not move UXO

b) Do not move material around UXO that could disturb the item

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8
Q
  1. What is EMR stand for?
A

Electromagnetic Radiation, it consist of waves of electrical energy from radio transmissions

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9
Q
  1. What are the safety rules of EMR?
A

A) Do not turn on/off power lines

B) Keep radio at safe distance (minimum 100m)

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10
Q
  1. What are the safety rules of STATIC?
A

a) Properly ground before handling electrical components

b) Wear non-conductive clothing

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11
Q
  1. How STATIC can be produced?
A

By dust storms, snow storms, electrical storms, removing tape from roll

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12
Q
  1. What are the safety rules of EJECT?
A

a) Remain clear of all ejection hazards, can induce physical or thermal ejections

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13
Q
  1. What is PE/Lucky?
A

Piezoelectric (PE) or Lucky. It occurs when initiating element in fuses are mechanically stressed or bent, then generates voltage proportional to the stress which cause UXO to detonate.

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14
Q
  1. What are the safety rules of PE/Lucky?
A

a) Do not stress nose

b) Observe EMR and Static safety precautions

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15
Q
  1. What is the JET?
A

JET is formed explosive charge with a conical or hemispherical cavity in the nose

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16
Q
  1. What are the safety rules of JET?
A

a) Assume munitions contain piezoelectric crystal

b) Down range hazard (copperhead 5 mile down range hazard)

17
Q
  1. What is VT?
A

Variable Time (VT), electronic device that detonates ordnance within effective range of a target by means of radio waves sent out to and reflected back from the target

18
Q
  1. What are the safety rules of VT?
A

a) Do not permit personnel or vehicles to pass in front of munitions
b) Observe EMR, Static precautions

19
Q
  1. What is WT?
A

Wait time, it allows capacitors to bleed down in electrical fuses, self-destruct and self-neutralizing ordnance to function, or functioning of slow burning pyrotechnic fuses

20
Q
  1. What are the WT for UXO?
A

Pyrotechnic: 1 HR WT
Projected electrical fuses: 1 HR WT
Guided missiles: 3 HRS WT
Bomb fuses: 24 HRS WT

21
Q
  1. What are the safety rules of CHEM?
A

a) Stay upward of suspected chemical munitions
b) Proper PPE, and use detection device
c) 600m upward hazard, 2000m downward hazard

22
Q
  1. What is minimum distance for Chemical?
A

600m upward, and 2000m downward hazard

23
Q
  1. What is WP?
A

White phosphorus

24
Q
  1. What are the safety rules of WP?
A

a) Do not crush or break WP residue
b) Exposure to air will reignite
c) Submerge item in mud or wet sand
d) PPE

25
Q
  1. What are the safety rules of Fire?
A

a) Do not allow heat or spark producing material in area
b) Some munition contains pyrophoric liners
c) Have proper PPE and fire fighting equipment

26
Q
  1. What is CW?
A

Clockwork. Machinery(fusing) containing a train of wheels/gears of a small size designed to operate for a preset amount of time

27
Q
  1. What is C/S?
A

Cocked Striker (C/S). A striker/firing pin/detonator that is held in a ready to fire position under spring tension

28
Q
  1. What are the safety rules of C/S?
A

Do not move, jar or strike a UXO with a cocked striker

29
Q
  1. What is BT?
A

Booby Trap. Concealed and set to explode when an unsuspecting person touches off its firing mechanism as by stepping or moving a harmless looking OBJ
* Enter and Exit on same cleared path*

30
Q
  1. What is MAG?
A

Magnetic. An ability to attract. Explosive body having the property of attracting iron and/or producing a magnetic field external to itself

31
Q
  1. What are the safety rules of MAG?
A

a) No movement of ferrous metal
b) Do not approach with metallic objects
c) Do not turn on or off power lines
d) Do not move UXO

32
Q
  1. What is SEISMIC/ACOUSTIC?
A

SEISMIC
A sensor that can be used to detect very low frequency vibrations

ACOUSTIC
A sensor that is designed to be actuated by sound emitted from a specific target

33
Q
  1. How should you approach an explosive?
A

45 degree angle from the rear

34
Q
  1. How long should you spend on target? (TOT)
A

Minimize time on target IOT reduce hazards to personnel and equipment

UXO study guide (27 decks)

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