419 Rope Flashcards
What is the min rope issued for the Engine?
Two utility lines (1/2 inch x 200 feet)
What is the minimum rope issued for Engines 43 &
48?
One - Life Safety Line ( 1/2 inch x 200feet) in addition to the two utility lines.
What is the minimum rope issued for Ladders?
Three - Utility Lines ( 1/2 inch x 200ft )
Two - Life Safety Lines ( 1/2 inch x 200ft )
One - RIT rope ( 6 millimeters x 130 feet)
Who determines the Technical Rescue Team (TRT) rope inventory?
the commander of the team
When a lifeline has been used in a rescue or any other operation, it must be removed form service and returned to ?
Tact Support
All utility and life safety lines used by the JFRD are of the
static kernamantle type
The load carrying core (kern) provides approximately ____ of the ropes tensile strength.
75%
The _____ which provides approximately 25% of the tensile strength.
mantle
One - half inch lifeline has a tensile strength of
9000 pounds
What is the safety factor ratio
15:1
What is the actual usable capacity of the rope?
600 pounds
What is the most common form of rope destruction?
Abrasion
How to avoid abrasion of the rope
pas all surfaces while the rope is under tension
Nylon static kernmantle rope becomes sticky at ____
445 degrees F
Nylon static kernmantle rope melts between?
480 -500 degrees F
Because friction causes heat, what should be avoided when using rope?
rapid movements
What are the best protection for rope against chemical damage?
weekly checks and proper storage
Rope that is exposed to chemicals of any kind must be
removed from service and returned to Tactical Support
How should rope be washed?
In its bag, in cold water.
How should rope be dried?
Air dried rope and bag, if possible use hose rack or tower
What should you be looking for when inspecting rope for damage?
Differences in the flexibility , diameter, lumpiness ,badly frayed or abraded sheath.
A Rope Log shall be maintained on?
each Life Safety line
When should the log be updated?
each time the rope is inspected and each time the rope is used, regardless of the reason for use.
