Flashcards in Trench Manual Deck (10):
In general, a trench'a depth is greater than it's width but the width of a trench is not more than _________ feet.
Vibration source shall be shut down within __________ feet in all directions of the collapse zone.
All uninvolved workers shall be relocated to the ___________.
A trench should be approached from _________ only and no closer than _________ feet from the lip.
A hot zone should be established __________ feet in all directions from the collapse site.
First arriving fire department units should position no closer than ________ feet and all other units in staging should position no closer than _________.
It is recommended that the first technical rescue officer to arrive on the scene assume what position?
A warm zone shall be established in _______ feet in all directions.
A situation report should be transmitted to _____ and ______.
PSCC, First Tech. Rescue Unit