EOR Flashcards
What does NOTAM mean?
Notice to airmen
What is ILERP?
Investigate Locate Evaluate Report Protect
What are the six questions
Where What When Why Has it function Who or what is the target
How much smaller is the ordnance than the diameter of the entry hole?
Ordinance is normally 5 cm smaller than the entry hole
What is the minimum base of a sand bag wall?
1.25m
What is the minimum height of a sand bag wall?
3 m
What is the minimum outer wall slope angle?
80°
How far away should a sandbag wall be from the ordinance?
Further away than the cratering
How much deeper should the trench be from the services?
0.7m
What are the 3 key points for abutments in basements?
No contact with either ceiling or wall and must be a minimum of 3 m deep
What 3 factors can affect the blast wave?
Terrain
Weather
Structures
What is category A crater?
Just on or below the surface for maximum effect from blast and frag
What is a category B crater?
Bomb has penetration and has explosion in a spherical chamber earth shock
What is a category C crater?
Deep, full camouflet, severe earthshock, very little frag
What is the maximum rise of the de-watering kit?
6 m
What is the minimum and maximum time run of the de-watering kit before work can commence?
24 and 48 hours
What pump is used with the dewatering kit?
Gilkes pump
How far away are the pipes located away from the shaft?
1m
How long are the steel rises of the de-watering kit?
1&3m
What are the two methods of water jetting?
Mechanical and the Godiva pump
If the water jetting is out by 1° of true how much error is there at 12 m
200 mm
If the water jetting is out by 10° of true how much error is there at 12 m
2 m
What are the possible incidents could the Recce officer be called to?
HE bomb exploded and un-exploded False Reports Hoax HE bomb camouflet Anti shipping Miscellaneous pyrotechnics
What are the 3 evacuation distances for a buried 50 kg bomb?
Complete evacuation 50 m
Partial evacuation 100m
Windows open 300 m
When is a weapon deemed to be buried?
When it’s depth is below ground and is at least 2 1/2 times its length
Up to what distance would 1000 kg buried weapon cause complete demolition to a brick built house?
19 m
The 50 kg a weapon on the surface would cause damage to foundations up to what distance?
10 m
A 1000kg buried weapon would cause damage to bricks sewers up to what distance?
35 m
What is the average crater size for a 250 kg weapon?
10 x 3 m
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?
25 cm in diameter 100kg bomb at 4.6 m depth
For goods train is travelling at 5 mph how close can the line be to an unburied weapon?
No closer than 30 m
How many sandbags are required for a kilo of explosives
40
