EOR

Question 0

What does NOTAM mean?

Answer 0

Notice to airmen

Question 1

What is ILERP?

Answer 1

Investigate
Locate
Evaluate
Report
Protect

Question 2

What are the six questions

Answer 2

Where
What
When
Why
Has it function
Who or what is the target

Question 3

How much smaller is the ordnance than the diameter of the entry hole?

Answer 3

Ordinance is normally 5 cm smaller than the entry hole

Question 4

What is the minimum base of a sand bag wall?

Answer 4

1.25m

Question 5

What is the minimum height of a sand bag wall?

Answer 5

3 m

Question 6

What is the minimum outer wall slope angle?

Answer 6

80°

Question 7

How far away should a sandbag wall be from the ordinance?

Answer 7

Further away than the cratering

Question 8

How much deeper should the trench be from the services?

Answer 8

0.7m

Question 9

What are the 3 key points for abutments in basements?

Answer 9

No contact with either ceiling or wall and must be a minimum of 3 m deep

Question 10

What 3 factors can affect the blast wave?

Answer 10

Terrain
Weather
Structures

Question 11

What is category A crater?

Answer 11

Just on or below the surface for maximum effect from blast and frag

Question 12

What is a category B crater?

Answer 12

Bomb has penetration and has explosion in a spherical chamber earth shock

Question 13

What is a category C crater?

Answer 13

Deep, full camouflet, severe earthshock, very little frag

Question 14

What is the maximum rise of the de-watering kit?

Answer 14

6 m

Question 15

What is the minimum and maximum time run of the de-watering kit before work can commence?

Answer 15

24 and 48 hours

Question 16

What pump is used with the dewatering kit?

Answer 16

Gilkes pump

Question 17

How far away are the pipes located away from the shaft?

Answer 17

1m

Question 18

How long are the steel rises of the de-watering kit?

Answer 18

1&3m

Question 19

What are the two methods of water jetting?

Answer 19

Mechanical and the Godiva pump

Question 20

If the water jetting is out by 1° of true how much error is there at 12 m

Answer 20

200 mm

Question 21

If the water jetting is out by 10° of true how much error is there at 12 m

Answer 21

2 m

Question 22

What are the possible incidents could the Recce officer be called to?

Answer 22

HE bomb exploded and un-exploded
False Reports
Hoax
HE bomb camouflet
Anti shipping
Miscellaneous pyrotechnics

Question 23

What are the 3 evacuation distances for a buried 50 kg bomb?

Answer 23

Complete evacuation 50 m
Partial evacuation 100m
Windows open 300 m

Question 24

When is a weapon deemed to be buried?

Answer 24

When it’s depth is below ground and is at least 2 1/2 times its length

Question 25

Up to what distance would 1000 kg buried weapon cause complete demolition to a brick built house?

Answer 25

19 m

Question 26

The 50 kg a weapon on the surface would cause damage to foundations up to what distance?

Answer 26

10 m

Question 27

A 1000kg buried weapon would cause damage to bricks sewers up to what distance?

Answer 27

35 m

Question 28

What is the average crater size for a 250 kg weapon?

Answer 28

10 x 3 m

Question 29

If the entry hole is 30 cm in diameter what is the likely size of the weapon and the likely depth it would be found at?

Answer 29

25 cm in diameter 100kg bomb at 4.6 m depth

Question 30

For goods train is travelling at 5 mph how close can the line be to an unburied weapon?

Answer 30

No closer than 30 m

Question 31

How many sandbags are required for a kilo of explosives

Answer 31

40