This morning, Sir Boatswain Gonzales taught us on how to enter in a confined space where there are no lights and air. First, he taught us to wear SCBA (Self Contained Breathing Apparatus), protective helmet and fire ropes. Fire ropes are used for signaling whether the fireman is in need for assistance, if he is alright, if he is going ahead, and if he is going back. There should be a tainter man who will hold the fire ropes and will received the signal from the fireman.
When the fireman touch the based of the confined space, he should pull the fire ropes only once, which means he is alright, and then the tainter man will repeat it by pulling the fire ropes once then slack the fire ropes. Then if the fireman pulls the fire rope twice, it means that he is going ahead, and then the tainter man will also pull the fire ropes twice then slack the fire rope. Pulling the fire ropes thrice means that the fireman is going back, and then the tainter man will also pull the fire ropes thrice. When the fireman pulls the fire ropes four times, it means that he needs back up, then the tainter man will also pull the fire ropes four times, then he should send a backup person to the fireman.
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