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