Spec Ops Trench Manual Flashcards
The width of a trench is not wider than? (measured at the bottom)
15’
A cave in is defined as?
the separation of a mass of soil or rock material from the side of an excavation, or the loss of soil from
under a trench shield or support system, and its sudden movement into the excavation, either by falling or sliding, in sufficient quantity, to entrap, bury, or injure and immobilize a person or persons.
Vibration should be shut down within how many feet of the collapse site?
500’
You are to position no closer than how many feet to the collapse site?
150’
Hot zone for trench collapse?
150’ in all directions
Warm zone for trench collapse?
250’ in all directions
When you approach the trench where do you approach from?
The end only
How close to the lip of the trench can you get?
No closer than 4’
Tech rescue units should position no closer than what to the collapse site?
50’
After the first unit arrives what distance shall additional units stage?
250’
Can you walk on the spoil pile during evaluation?
No
Who is assigned Rescue Group Supervisor?
First arriving tech rescue officer
