Book 29 Ch 8 Rope Systems Flashcards
Main line - stored in ____ bag
Red
Main line - ___inch static kernmantle lifeline ______ in color
1/2
White
Belay Line - stored in ______ bag & rope is ______ in color
Orange
Orange
LIFELINE - 1/2 inch KM-III static kernmantle rope is constructed of a tightly woven sheath (_______), over a braided core (______)
Mantle
Kern
LIFELINE - The high strength core (Kern) can carry up to ___% of the load with the cover (Mantle) designed primarily for protection against _________
90
Abrasions
LIFELINE - This rope is rated at ________ pounds
10,000
LIFELINE - meets or exceeds the NFPA ______ standard for one and two - person rescues
1995
TENSILE STRENGTH - Tensile strength is the rated breaking strength of the rope when pulled in a __________ line , with no knots, under laboratory conditions to a point where it can be expected to break
Straight
TENSILE STRENGTH - To determine the safe working load of a rope, you divide the manufacturers rated tensile strength by the NFPA safety factor of ___ E.g. 10,000 - pound rope divided by ___ = 666 pound working load, which exceeds the NFPA standard of 600 pounds for a two-person rope
15
15
CLEANING AND CARE OF ALL SOFTWARE - place the rope in a ______ bag or a ____________, place in a washing machine on gentle cycle and wash in ______ water
Mesh
Pillowcase
Cold
CLEANING AND CARE OF ALL SOFTWARE - Use a mild chemical free soap such as __________ cleaner, _______ Snow or _________, in the wash cycle
Lifeline
Ivory
Woolite
CLEANING AND CARE OF ALL SOFTWARE - Rope ends should be swapped end for end __________
Annually
When ropes and software are not in use, store them in a cool dry location away from direct exposure to __________
Sunlight
The KM-III static kernmantle rope has a melting point of ____ degrees Fahrenheit
450
MARKING THE ROPE - The midpoint of the rope should be marked with __ black stripe.
1
MARKING THE ROPE - Use only the following 3 markers:
1. ________ MARKS-A LOT
2. __________ SHARPIE
3. ________-_______ MAGIC MARKER
- Carters
- Stanford
- Binney-Smith
MARKING THE ROPE - __ black stripe for the odd years & __ black strips for the even years
1
2
MONTHLY CHECKS - Log the rope as soon as you receive it, log all training, emergency incidents and monthly checks on _____
F-975
If any of the following problems exist, call US&R 88 - If the sheath is _________, showing extreme fuzziness or exposing the core.
Abraded
If any of the following problems exist, call US&R 88 - If the rope is lumpy or hard, or if a ________ spot is present
Brittle
If any of the following problems exist, call US&R 88 - If the rope has an ___________ shape
Hourglass
If any of the following problems exist, call US&R 88 - If the rope comes in extended contact with any of the ___________ listed above, in cleaning and care procedures
Chemicals
If any of the following problems exist, call US&R 88 - If the rope has been _______ loaded
Shock
The end of the rope shall be secured to the bottom of the bag by tying a ________ ________ stopper
Figure Eight
______ Webbing: Is constructed of a single layer of material, it is similar to our ladder straps. It is less expensive, but stiffer and more difficult to work with than tubular webbing
Flat
WEBBING SIZE - There are various widths for webbing ranging from __ inch up to __ inches
½
2
The webbing used by LAFD is __ inch spiral weaved tubular and folded over flat webbing rated at ______ pounds
1
4000
WEBBING SIZE: Blue Webbing - __ feet
5
WEBBING SIZE: Yellow Webbing - ___ feet
12
WEBBING SIZE: Red Webbing - ___ feet
20
Accessory cord is __-mm nylon cord rated at _____ pounds
8
3630
Carabiners used in the LAFD rope rescue kits are steel “D” shaped carabiners, rated at _______ pounds
9,000
The “D” shaped carabiner is designed to carry the load along the _______ side
Spine
Carabiners are designed to be lock with only light ________ tightness
Finger
Never tighten a carabiner using _________ locks
Channel
Never re-tighten a carabiner when the system is ________. This may damage the locking mechanism
Loaded
Never ______ load a carabiner
Side
The brake bar rack comes with __ aluminum bars attached to it
6
BRAKE BAR RACK - The welded eye, on one end, is used for attachment and is rated at ________ pounds
10,000
BRAKE BAR RACK - For a single person load (rappel or lower), start with __ bars
4
BRAKE BAR RACK - For a two-person loads, start with __ bars
5
BRAKE BAR RACK - The maximum number of bars would be __, and the minimum should never be less than __ during any operation
6
3
BRAKE BAR RACK - Sliding the bars closer _________ increases the amount of friction, while sliding them _______ reduces the friction
Together
Apart
TYING OFF THE BRAKE BAR RACK - Tie the rope off with two ______-________ in front of the brake bar rack
Half-Hitches
Periodic checks should be made of the _________ eye, and to insure the rack is not bent
Welded
The bars are made of aluminum, and should be checked ___________
Routinely
FIGURE EIGHT PLATE - Rappelling or lowering operations over ___ feet a brake bar rack should be used, due to the twisting of the rope
75
PULLEYS - The strength of the rope is restored fully when placed over a turn of a pulley that is at least __ times the diameter or the rope
4
LAFD carries two types of pulleys: The ____ inch aluminum prusik minding, and the __ inch stainless steel
2 ½
4
CLASS III FULL BODY HARNESS - The rear strap support should be adjusted to the ________ of the back, just below the shoulders
Middle
CLASS III FULL BODY HARNESS - There are two types of rear strap supports, one with a “D” ring for _____ protection, and one with just the back support
Fall
CLASS III FULL BODY HARNESS - proper tightening order: (1) _______, (2) ______, (3) _______
Waist
Legs
Chest
CLASS III FULL BODY HARNESS - The main line is connected to the _______ “D” ring
Waist
CLASS III FULL BODY HARNESS - The belay / safety line is connected to the _______ “D” ring
Chest
CLASS III FULL BODY HARNESS - Connect the main line and belay line to these “D” ring connection points by using a _______ _______ on a bight and a carabiner
Figure Eight
CLASS III FULL BODY HARNESS - If you do not have a carabiner, you can use a figure eight ________ through, or a _________ backed up with a double overhand knot
Follow
Bowline
Pulling on a rope in a straight line until it breaks gives us the _________ STRENGTH of the rope
TENSILE
FIGURE EIGHT STOPPER KNOT KNOT EFFICIENCY = ___%
75
The figure eight stopper knot is recommended for use on the _____ of a throw bag, lifeline and drop bag rope
End
FIGURE EIGHT FOLLOW THROUGH KNOT EFFICIENCY = ___%
80
FIGURE EIGHT ON A BIGHT KNOT EFFICIENCY = ___%
80
FIGURE EIGHT BEND KNOT EFFICIENCY ___%
80
DOUBLE FIGURE EIGHT ON A BIGHT KNOT EFFICIENCY = ___%
80
DOUBLE OVERHAND BEND OR “DOUBLE FISHERMAN” KNOT EFFICIENCY = ___%
80
Either the __ foot or __ foot length may be used for single prusik applications
5
6
WATER KNOT / OVERHAND BEND KNOT EFFICIENCY = ___%
65
TENSIONLESS HITCH OR “NO KNOT” HITCH EFFICIENCY = ____%
100
TENSIONLESS HITCH OR “NO KNOT” - The number of wraps depends on the __________ of the anchor point and the amount of friction the anchor provides
Diameter
TENSIONLESS HITCH OR “NO KNOT” - on any anchor point there should be at least __ wraps
3
BOWLINE KNOT EFFICIENCY = ___%
65
BOWLINE - Back Up This Knot With A Double ___________ For Safety
Overhand
BUTTERFLY KNOT KNOT EFFICIENCY = ___%
75
The load releasing hitch (LRH) utilized by the LAFD is constructed out of __-mm accessory cord ___ feet long
8
20
BUILDING A LOAD RELEASING HITCH - Take the two bitter ends and tie an overhand knot in them, leaving a __ inch tail
2
BUILDING A LOAD RELEASING HITCH - Going away from the bight and carabiner, take both pieces of rope and make a _______ _______ as close to the bight as possible
Munter Hitch
BUILDING A LOAD RELEASING HITCH - Pull the slack rope through the munter hitch until both carabiners _______
Touch
BUILDING A LOAD RELEASING HITCH - There should be a __ to __ inch space between the carabiners
4 to 5
BUILDING A LOAD RELEASING HITCH - Take both lines that exit the munter hitch and wrap them around the line between the carabiners __ to __ times
3 to 6
Pickets - Pickets should be __ foot in length one inch round steel stock preferred
3
Pickets - The pickets should be pounded __ feet into the ground, at a ___ degree angle, away from the object
2
15
CLIFF PICKETS - Single picket ____ pounds
700
CLIFF PICKETS - 1-1-1 _____ pounds
1800
CLIFF PICKETS - 2-1 _____ pounds
2000
CLIFF PICKETS - 3-2-1 _____ pounds
4000
PASSING KNOTS - Pass the main line through the brake bar rack until the knot is about __ inches from the bottom of the brake bar rack
6
PASSING KNOTS - Pass the belay line through the tandem prusik belay until the knot is about __ to ___ inches from the tandem prusiks
6 to 10
LAFD SAFETY THOUGHTS - Never get closer than __ feet to the edge without being tied-off
5
Set the _______ strap off to the side and step into the leg harness with both feet (with both “D” rings facing forward), pull the harness up to your waist, and tighten both waist straps.
Chest
Three class III full body rescue harnesses size __ small / medium, __ large (Truck Companies)
1
2
__ pieces of yellow multi-loop webbing __ foot in length
2
3
__ steel “D” shaped carabiners
8
__ pieces of red 1 inch tubular webbing 20 feet in length
2
Anchor Strap: 2 inch x __ foot anchor strap with “D” rings at both ends
7