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LAD Theory Flashcards

1
Q

Where can disposal of EO by BURNING take place?

A

A licensed burning ground

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2
Q

What is the …..for burning SAA and HD 1.4?

  • minimum safety distance
  • maximum NEQ
A
  • 100m

- 100kg

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3
Q

What is the special precaution WRT Non-hydroscopic and Flashless Non-hydroscopic Propellants?

A

Pers are to earth themselves before undertaking another operation

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4
Q

What is the …..for burning propellants and less energetically burning items?

  • minimum safety distance
  • maximum NEQ
A
  • 100m

- 500kg

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5
Q

2 methods to initiate a propellant burn? xx

What is the length of time for a misfire?

A
  • Electrical (preferred)
  • Propellant trail
  • 30 minutes
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6
Q

What is the minimum length of a propellant trail? xx

A

2 metres long

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7
Q

How often can the same burn site be used when burning propellant?

What is the minimum distance between sites?

A
  • once every 24 hour period

- 50m

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8
Q

What is the explosive limit for burning disposal of gunpowder?

Wet down with how much water? (for max kg / ratio)

A

25kg

8 L water / ~30%

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9
Q

What natures of SAA can be disposed of with burning?
- excluding what? xx

  1. What other natures?
A

SAA of all natures and calibre up to 20mm INERT
- excludes 20mm HE, HEI-T, similiar HE or incendiary fillings

Sig and Illum cartridges
Primers SA cartridge
Primers electric and percussion
Primary cartridges
Matches
FBT
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10
Q

Disposal of SAA/Pyro/Primers

What is the limit for:

  • Drum disposal?
  • Trench disposal?

Distance between sites?

A

6,000 rds / drum

12,000 rds / square metre of trench at 0.6m depth

  • 150m
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11
Q

What is the aim of disposal by DEMOLITION?

A

Completely destroy all

EXPLOSIVE FILLINGS or COMPONENTS

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12
Q

List the reasons why demolition should be conducted below ground level? (4)

xx

A
  • Minimise the effect
  • minimise the fragmentation
  • enhances the effect of the demolition charge
  • Assists in the containment should a partial detonation occur
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13
Q

What is the purpose of tamping? (2)

A
  • ensure ammunition remains in close contact

- Stabilises the stack during multiple detonations

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14
Q

What is the Post hole method used to dispose of?

xx

Why used?

A
  • disposal of large calibre projectiles

- used to reduce shock, blast and projection of fragmentation

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15
Q

What methods can be used to destroy fuzes? (4)

A
  • PE method (6 fuzes per Cart.)
  • TR1 Primer
  • Charge Block
  • Sheet explosive (thickness 3mm+)
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16
Q

Disposal of Press-fit Primers
- Method of prep? (3)

  • What must be done after firing / before recovery?
A
  • Arrange Cart cases in rows, upright or on side
  • sufficient lengths of det cord (single strand)
  • Position det cord over base of primer and tape down
  • OIC to inspect primers have functioned
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17
Q

Disposal of Mortar Cartridges - what preparation should be completed?

A
  • Primary and augmenting charges should be removed

- If fuze or plug cannot be removed, place a dem charge, moulded to the shoulder of the mortar cartridge

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18
Q

What is the “Gold Standard” when stacking projectiles for demolition?

A

An unprimed round should be in contact with at least 2 primed rounds

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19
Q

What principles / types of explosives should be placed in each layer for disposal of mixed items:

  • bottom layer
  • second layer
  • third layer
  • top layer and around the stack
  • centre of the stack
A

bottom layer – ammunition containing a small quantity ofHE
2nd layer – heavy cased ammunition
3rd layer – light cased ammunition
top layer and around the stack – bulk explosive
centre of the stack – ammunition filled with smoke
composition.

20
Q

What is LAD for? (2)

A
  • the disposal of any unsatisfactory EO

- disposal of captured EO

21
Q

What is the minimum rank for OIC or Safety Officer (SO) LAD?

What ECN qualification?

How appointed?

A
  • SGT
  • ECN 401-4
  • Appointed in writing
22
Q

Range appointments required for activity

A
  • OIC
  • RSO
  • Pit supervisors
  • Demolition User
  • Ammunition Safety Supervisor
  • Medic
23
Q

Phases of Demolition Practice (4)

A

Preliminaries
Reconnaissance
Disposal
Completion Phase

24
Q

Label the Stuck Fast charge

A
  • Charge withdrawal cord
  • tape bridle
  • styrofoam container
  • blasting cap
  • ejection charge
  • tape wrap
  • cap lead
  • tape
  • Dimension ‘A’
  • water passage channels
25
RF Hazard distances Field radio Vehicle-mounted radio Mobile phone Radar equipment
20m 900m 20m 250m
26
Forms of Electrical Energy
``` lightning static stray currents Galvanic electricity (chemical reaction) Electromagnetic radiation ```
27
What demolition method is used to reduce shock, blast and projection of fragmentation with the disposal of large calibre projectiles?
Post Hole method
28
Methods of Disposal of SAA/Pyro/Primers by burning (3)
Drum Trench Incinerator
29
Disposal of WP / RP - Disposal Site Considerations
- WP/RP is not to be disposed of on a conventional demolition ground - WP/RP demolition is to be considered as contaminated ground and is to be marked - not to be used for the destruction of other natures of ammunition - The radius of contamination will vary but the area to be marked should not be less than 10 m
30
Disposal of WP / RP Special Precautions - Medical
- All personnel are familiar with the immediate treatment of WP burns - A plentiful supply of water is always to be readily available at the demolition area - A minimum of 20 L of sterilised water reserved exclusively for the treatment of WP burns
31
Disposal of WP / RP Special Precautions - Before firing
- The retired position is to be upwind of the demolition site - Open range safety distance is to be applied
32
Disposal of WP / RP Special Precautions - After firing
- Boots and implements are to be passed through a small fire - Not to be approached until 10 minutes have elapsed after the last smoke is seen - During the clearance phase, members are to remain standing - DPCU with sleeves rolled down and fastened at the wrist - Current in service gas masks and heavy duty leather gloves are to be worn when approaching the disposal site and while conducting the clearance
33
What are acceptable disposal methods for RP/WP? (5)
``` PE CE Primer Charge Block Sheet explosive Lengths of Det cord ```
34
Subsequent actions after firing WP/ RP? (3) Wait what time? What must happen to the ground? Tools must be passed through ____ and thoroughly ____
- wait 10 mins after smoke has died down - Ground to be raked over - Pass rakes through fire
35
Can AT pers declare the weapon serviceable after conducting projectile removal?
NO!
36
2 distinct categories of stuck projectiles and the description for each
Simple Case - No shot travel | Anormal Case - Shot has been shot travelled and has become stuck
37
Stuck Fast. Whos responsibility is it to deal with: - Simple Case - Abnormal Case (2)
Simple Case - unit responsibility. Abnormal - SATO/AT/ATO where ejection charge is required - Artificer (gun) if no explosive risk
38
What is the purpose of the polystyrene foam former in ejection charges? (3)
Centres the PE4 charge Minimises unequal pressure on the wall of the barrel Provides an air cushion that slows the initial detonating velocity
39
Stuck Fast | At what distance is the ejection charge placed from the projectile, in the barrel?
18 inches
40
Process for Ejection Charge
- Place charge 18 inches from the projectile | - elevate barrel and fill with water
41
What is the purpose of filling the barrel with water for ejection charges?
- water between charge and projectile will cushion fuze | - Water above charge provides a resistant medium against initial pressure
42
What is the maximum width for loose propellant train? What is the minimum width a point of initiation? What is the maximum density?
1m wide single stick 50kg / square metre
43
What is the maximum/minimum widths for bagged charges?
max 4m wide, reduced to 3 charges
44
What is the maximum density of the train for gunpowder Where should pers be located (distance / loc)
- 7kg / metre | - 50m upwind
45
Disposal of Detonators Maximum tiers in a stack?
6 tiers high in a stack
46
What must be removed to prep for disposal of HE projectiles by burning?
- Primary and augmenting carts - tracers if screw fitted - metal fuze well caps - Red Phos smoke boxes - Exploders or boosters
47
What HE projectiles can be disposed of by burning?
155mm 105mm 81mm

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