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HDS > Disposal Procedures > Flashcards

Disposal Procedures Flashcards

1
Q

When should deteriorated dynamite be moved by hand?

A

When the area cannot accept a detonation, protective measures cannot be utilized, and some form of life threatening situation exists

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2
Q

Why should gasoline never be used to enhance a fire?

A

Gasoline is too volatile. The possibility of premature ignition exists and gasoline vapors trapped in the pile could explode

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3
Q

What is the maximum amount of dynamite that can be burned at one time?

A

50 pounds

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4
Q

What is the minimum requirement for a countercharge of pipe bombs?

A

Countercharge with a minimum of 1.5 pounds of explosives and a detonating velocity of 4000 m/sec (13,200 fps)

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5
Q

What is the preferred method of disposal for most high explosives?

A

Disposal by detonation

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6
Q

What is a safe distance for locating a demo area away from an inhabited building?

A

2400 feet

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7
Q

Which disposal option is reasonable for desensitized product?

A

Open Burn

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8
Q

What measure ensures safer, more efficient disposal operations?

A

Mandatory Safety Briefing

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9
Q

When should non-emergency disposal operations be accomplished?

A

Daylight hours

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10
Q

What are the four factors of consideration for disposal operations?

A

Safety, Environment, Logistics, Security

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11
Q

What is the minimum separation for a personnel shelter during demolition operations?

A

300 feet

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12
Q

What considerations are taken into account for setting range limits?

A

Noise, Ground Shock, and Air Shock Waves

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13
Q

What are the distances to keep explosive material away from disposal work in progress?

A

Excess of >25lb not less than 150 feet, 50lb see CFR29

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14
Q

To re-use a burn hole what must you do?

A

Wait 24 hours or soak with water and wait 12 hours

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15
Q

What are the Disposal Methods?

A

Detonate in place, TRANSPORT AND DETONATE, buried detonation, burn in place, TRANSPORT AND BURN, transfer, neutralize

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16
Q

What are the methods for destroying Good explosives?

A

Detonation, Function as designed, Burning

17
Q

What does the EPA recommend for burning dynamite?

A

Burn Pans

18
Q

What dangerous product forms on copper caps?

A

Copper Azide (do not open boxes)

19
Q

What are the classes of fireworks?

A

Class “C” 1.4g (Common Fireworks), Class “B” 1.3g (Special Fireworks)

20
Q

What size of an area should be cleared of combustible materials around the demo pit?

A

An area 200 feet in radius

21
Q

Which procedure In a bomb technicians scope of practice is the most hazardous

A

Disposal with disposal of fireworks being the most deadly

22
Q

When can the emergency threat exemption be utilized

A

In the presence of an imminent threat to life

23
Q

When should non-emergency disposal procedures be conducted

A

During daylight hours

24
Q

Considerations for selection of a disposal site

A

Safety, logistics, and security

25
Q

Safety distances for a disposal site

A
  • 200ft radius clear if combustibles, vegetation, and bunker
  • 300ft from storage bunker and shelter with frontal and overhead protection
  • 2400ft from all inhabited or occupied dwellings
26
Q

Range limit

A

Limits the amount explosives which can be detonated in your disposal area.

You are never to exceed range limit

27
Q

Wait times for “hot hole”

A

24 hours from end of fire

Or

12 hours from soaking hole with water

28
Q

Distance of Storage of explosive materials

A

25lbs or less - 50’ from work in progress

25-50lbs - 150’

50lbs+ - use distance chart

29
Q

Material used for neutralization of ANFO

A

Water, which causes separation of components

30
Q

Material used for neutralization of Dynamite (nitroglycerin)

A

Diesel fuel, which causes desensitization (less sensitive to heat shock and friction). Must be reapplied.

31
Q

Things which should never be done when conducting a disposal by burning

A

Never use gasoline

Never extinguish the fire

32
Q

Disposal by burning of black powder requires a trench of which width

A

2” wide

33
Q

When disposing of a pipe bomb, what are the minimums for explosives

A

1.5 of explosive or a shape charge of detonation velocity of 4000 meters per second (13,200 FPS)

HDS (23 decks)

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