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UXO > Safeties > Flashcards

Safeties Flashcards

1
Q
  1. What are the 20 precautions of safety?
A 
HE
FRAG
MOVE
EMR
STATIC
EJECT
PE/LUCKY
JET
VT
WT 1HR, 3HR, 24 HR
WP
FIRE
CHEM
CW
C/S
BT
MAG
SEISMIC/ACOUSTIC

APPROACH
TIME 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

Do not subject any explosive to heat, shock, fire, friction, or rough handling

High Temp increases sensitivity

No smoking or flame within 50ft (15.2m)

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4
Q
  1. What is Frag stand for?
A

Fragmentation
The pieces of munition that fragment or break apart violently upon detonation

Primary and secondary

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

Maintain safety distance

Appropriate cover

Limit personnel at site

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

Do not move UXO

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

Consists of waves of electrical energy from radio transmissions

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

Do not turn on/off power lines

Keep radio at safe distance (minimum 100m)

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

Properly ground before handling electrical components

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

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

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

Do not stress nose

Observe EMR and Static safety precautions

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15
Q
  1. What is the JET?
A

JET

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

Assume munitions contain piezoelectric crystal

Down range hazard (Copperhead 5 mile down range hazard)

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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

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

Do not permit personnel or vehicles to pass in front of munitions

Observe EMR, Static precautions

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19
Q
  1. What is WT?
A

Wait time

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 Delay: 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

Stay upward of suspected chemical munitions

Proper PPE, and use detection device

600m upwind hazard
2000m downwind hazard

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

600m upwind

2000m downwind hazard

23
Q
  1. What is WP?
A

White phosphorus

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

Do not crush or break WP residue

Exposure to air will reignite

Submerge item in mud or wet sand

PPE (Hand and eye)

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

Do not allow heat or spark producing material in area

Some munition contains pyrophoric liners

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

No movement of ferrous metal

Do not approach with metallic objects

Do not turn on or off power lines

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

35
Q

Two parts of disposal of UXO

A

Disposal of Incident

Final disposition

36
Q

Disposal of Incident

A

The action taken to render a hazardous situation safe, either:

Render safe procedures
Blow in place

37
Q

Final Disposition

A

What is left after rendering a hazardous situation safe

BIP is disposal and final disposition at the same time

38
Q

Most preferred and safest method of disposal

A

The preferred and safest method of disposal is to destroy UXO in its original position (BIP) There is no RSP (EOD only) procedure needed.

39
Q

Definition of Render Safe Procedures

A

Render safe procedure (RSP) is the removal of an item that would not allow the munition to function (EOD only)

40
Q

Is RSP a disposal?

A

No

RSP is not a disposal, a BIP is not a procedure

41
Q

Is BIP a procedure?

A

No

RSP is not a disposal, a BIP is not a procedure

42
Q

Safety/PPE Considerations/Precautions

A

Verbatim
When conducting UXO disposal, ballistic helmet, Level III body armor, approved hearing protection, and ballistic eye protection must be worn

43
Q

Basic considerations

A 
There is no "safe" procedure
Improvised procedures may be used
Do not take tools/eq near item until it can be determined that it is not magnetically functioned
UXO operations should be planned
Limit personnel exposure to site
44
Q

How should you treat unknown explosives?

A

Treat as the most hazardous type, with the most hazardous features, under the most hazardous condition

45
Q

How many people must be involved in UXO operations?

A

2

Short-stop halfway for communication

46
Q

Battle drill for UXO

A

Clear
Cordon
Control
Call EOD

UXO (31 decks)

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