BSM Chapter 6 (Rope)
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| Term | Definition |
|---|---|
The two categories of rope SFD sorts rope into? | Life Safety Rope and Utility Rope |
A three wrap prussik hitch is for loads up to... | 600 lbs |
Primary use of webbing: | Rigging anchors in operations |
WA Mandated life safety rope service life: | 6 years |
Breaking strength of locking "D" rescue carabiner? | 9000 lbs |
Running end of a rope is... | the end of the rope that is manipulated to tie a knot |
Bitter end (standing end) of a rope is... | the end of the rope that is NOT being used in the knot you are tying. |
Double becket bend purpose: | Joining two ropes of unequal diameter together |
How many bags of life safety rope do all ladder truck companies carry, and what are their lengths? | 3 bags total:
2 bags of 300 foot rope and 1 bag of 100 foot rope |
NFPA mandated Safety Factor of life safety rope: | 15:1 |
NO KNOT relative strength (single kernmantle rope) | 100% |
Clove hitch relative strength (single kernmantle rope) | 60-65% |
Square knot relative strength (single kernmantle rope) | 43-70% |
Figure 8 relative strength (single kernmantle rope) | 75-80% |