SOG FIRE 025 ROPES AND KNOTS Flashcards
What are the 2 types of rope the NHFD uses?
Life Saving Rope
Utility Rope
What is life saving rope used for?
Purposes of protecting a member in a high angle or rope rescue operation or any scenario where a member is placed at the end of a rope to conduct rescue
What are the approved knots used for life safety?
Family of 8 Double fisherman Butterfly knot Meunter hitch Tensionless hitch Half hitch Sheet/Becket Bend
What is utility rope used for?
Search
securing equipment or ladders
raising or lowering tools or equipment
What are the approved utility ropes used by NHFD
Overhauling line
Search rope
Safer search rope included in RIT equipment
Water rescue throw bags and or tether lines
What are the approved knots for utility rope?
Tensionless hitch
Chimney hitch
Bowline
Clove Hitch
Rolling Hitch
Sheep Shank
Half Hitch
When is search rope to be used?
Operations in large or maze-like areas, or where there is heavy smoke or restricted conditions
What are the characteristics of search rope?
7/16” double jacket braided rope with a polypropylene core contained within an abrasion resistant braided nylon jacket
What is the length of search rope?
200ft
What is search rope stored in?
Rapid deployment carrying case with shoulder strap
What is attached to both ends of search rope?
⅝” snap hooks
What are some characteristics of the search rope?
Flotation
Excellent wet or dry strength retention Excellent strength to weight ratio Abrasion resistant Torque free, non hocking flexibility
What is the tensile strength of search rope?
5900 pounds
What are the effects of heat on nylon search rope?
Nylon melting point of 480 degrees
Progressive strength loss above 300 degrees
What are the effects of heat on polypropylene search rope
330 degree melting point
Progressive strength loss above 200 degrees
What can search rope be used in combination with?
Handlines
What can the search rope be attached to?
SCBA backplates
What is another situation that search rope can be used for?
Water rescue operations
How are search ropes identified?
By company colors on the snap hooks
How is the search rope washed?
Mild soap and warm water and air dried
When does a search rope inspection take place
Monthly. Rope repacked opposite
How are the snap hooks attached to rope?
Figure 8 follow through
What is the length and diameter of overhauling line?
⅜” 150 feet blended rope
What is the working load of overhauling line?
270 lbs
What is the breaking strength of overhauling line?
2700 pounds
What is overhauling line constructed of?
Magnus P/D Polyester and polypropylene blend
What are some characteristics of overhauling line?
Resistant to sunlight
Does not rot
May be stored wet or dry
Acid and weak alkali resistant, unless acid is concentrated
What apparati have Safe search ropes?
Truck companies
When are Safe search ropes to be implemented
Large search areas
RIT
What is the distance between lock/directional markers on Safe search rope?
Every 25 feet
What is the distance between ball distance markers on the SAFE search rope?
25 feet
What is the distance of elliptical distance markers on the SAFE search rope?
Every 100 feet
What is the length of the SAFE search rope?
200ft high tenacity nylon/interior kevlar cable.
Will melt at lower temperatures
Which line has a large carabiner on it to attach to safe search device off the main search line?
TAG LINES
During water rescue, it may become necessary to?
Reach, throw or go to the victims aid
One method of rescuing a victim may involve reaching with what objects?
Pike Pole, ladder
What is the length of the water throw line
70 feet ⅜ inch
What is the tensile strength of the water throw line?
2600 pounds
When throwing the water rescue rope bag, how much slack is to remain out of the bag?
4-6 feet
What part of the water rescue rope is thrown to the victim?
Throw the bag
