Protective measures

Question 1

What are the methods of combating earth-shock?

Answer 1

Trenching
Venting
Buttressing (Mounding)

Question 2

What are two ways to reduce blast and frag damage?

Answer 2

Barricading

Buttressing

Question 3

How wide should buttressing be at its base? What should it taper to?

Answer 3

10 feet at base

48” and 60” at ground level

Question 4

What is the minimum size timber for buttressing?

Answer 4

4x4 or bigger

Question 5

What is the thickness of a barricade for less than 105mm? 105mm and above?

Answer 5

less than 105mm: 3 feet

105mm and above: 6 feet

Question 6

What is the k factor for light case munitions?

Answer 6

300

Question 7

What is the k factor for heavy case munitions?

Answer 7

500

Question 8

What is the k factor for mixed cache?

Answer 8

650

Question 9

What is the NEW of an illum round?

Answer 9

1 lb

Question 10

What is the NEW of a 60mm mortar?

Answer 10

1 lb

Question 11

What is the NEW of a 81mm mortar?

Answer 11

2 lbs

Question 12

What is the NEW of a 4.2mm?

Answer 12

9 lbs

Question 13

What is the NEW of an AT mine?

Answer 13

22 lbs

Question 14

What is the NEW of a claymore?

Answer 14

1.5 lbs

Question 15

What is the NEW of a hand grenade?

Answer 15

0.5 lb

Question 16

What is the NEW of a HEAT munition?

Answer 16

2 lbs

Question 17

What is the NEW of a S African 155?

Answer 17

18 lbs

Question 18

What is the NEW of a 107mm HE rocket?

Answer 18

11 lbs

Question 19

What is the equation for damage/casualty areas?

Answer 19

D = K x cube root of (NEWx1.38)

Question 20

What are the cache methods?

Answer 20

SF
Donor
Lattice

Question 21

How many blocks do mines get?

Answer 21

1 block

Question 22

How many blocks for standard ordnance?

Answer 22

1 block

Question 23

How many blocks for HEAT?

Answer 23

2 blocks

Question 24

How many blocks for small ordnance and fragmentation?

Answer 24

0.5 block * 40mm or less*

Question 25

How many blocks for APHE?

Answer 25

2 blocks

Question 26

How many blocks for Rocket?

Answer 26

HE rocket 2 blocks | HEAT rocket 3 blocks

Question 27

What is safe standoff distance?

Answer 27

Distance at which blast overpressure is not harmful and fragments are traveling at too low a velocity to penetrate bare skin

Question 28

What is the primary means of protecting personnel?

Answer 28

Evacuate them from the danger area

Question 29

What is the minimum safe standoff?

Answer 29

300 meters

Question 30

How big should a trench be?

Answer 30

24 inches deeper than the installation, at least 18 inches wide

Question 31

Maximum UXO size for mounding

Answer 31

20 lbs

Question 32

How much mounding is needed for a 100 lb bomb

Answer 32

60 tons

Question 33

What is the RE used for UXO

Answer 33

1.38

Question 34

How high are caches stacked?

Answer 34

No more than 2 high

Question 35

How much should you overlap C4 blocks for caches?

Answer 35

1 inch minimum

Question 36

How many blocks of C4 do mines get in the donor method?

Answer 36

2 blocks