Volume 3: ropes and knots Flashcards
Ropes (lines) in use by the LAFD are made of _____ fibers, range in size from __” to ___” in diameter and in lengths to ___.
Synthetic fibers
1/4’’ to 3/4’’
300’
The main line is One ___ foot low stretch ___ inch static kernmantle lifeline, white in color, with ____ or ___ stripes running through it, stored in a ___ nylon bag
300
1/2’’
Blue or red
Red
The belay line is One ___ foot low stretch __ inch static kernmantle rope, _____ in color, stored in an______ nylon bag (Safety / Belay Line)
300’
1/2’’
Orange in color
Orange
Along with the bags engine company also has ___ classIII full body rescue harnesses size ____
Two
Large
The truck company has ____ class III full body rescue harnesses size one ____/ _____, two ____
Three
Small
Medium
Large
Two _-mm accessory cords __ feet in length to build two ____ ____ ______LRH)
Two 8mm
20’
Load releasing hitches
__ stainless steel brake bar racks, with six ______ __
Two
Aluminum bars
____ steel “D” shaped carabiners
8
Two __-mm x __ foot accessory cord (long prusik)
8mm
6
Two _-mm x __ foot accessory cord (short prusik)
8mm x 5’
___ pieces of ___ 1 inch tubular webbing __ feet in length
___ pieces of ____ 1 inch tubular webbing __ feet in length
__ pieces of __ 1 inch tubular webbing ___ feet in length
Two
Blue
5
Two
Yellow
12
Two
Red
20
Two ____ ____ sheets, one for each rope
Inspection record
___ __ inch x __ foot anchor strap with “D” rings at both ends
One
2’’
7’
___ pieces of ____ multi-loop webbing __ foot in length
Two
Yellow
3’
The LAFD carries ____ ___ ___ ___ rescue harnesses.
Class III full body rescue harness
The harness is constructed of ____ ______ with adjustable ____ and ____ cinching straps.
Nylon webbing
Wait and leg
The “D” ring is used for attachment to the ____ _____rappelling device with a carabiner. To use the harness, hold it with both hands in front of your body, with the “D” ring ___ ____, step through the leg and waist loops, pull the harness up to your waist, tighten the ____ strap, and then the ___straps.
Figure eight
In front
Waist
Leg
There are connection points for ______ and ______ on the full body rescue harness. The main line is connected to the ____ “D” ring. The belay / safety line is connected to the ____ “D” ring.
Ascending and descending
Waist
Chest
Connect the main line and belay line to these “D” ring connection points by using a ____ _____ on a bight and a _______. If you do not have a carabiner, you can use a _____ ______ _____ ____, or a _____ backed up with a _____ ______ knot.
Figure eight
Carabiner
Figure eight follow through
Bowline
Double overhand knot
Full body harness:
The rear strap support should be adjusted to the middle of the ____, just below the _____. There are two types of rear strap supports, one with a “D” ring for ____ _____, and one with just the ____ _____
Back
Shoulders
Fall protection
Back support
The small loops on the harness are used only for attaching _____ ______e.g., webbing / carabiners only. DO NOT ATTACH ____LINE OR ____ LINE TO THESE LOOPS. They will not support your weight.
Extra equipment
Main line or belay line
Make sure the harness fits snugly and that all the buckles are secured before using the harness. Make sure the ends of all straps are secured by the ____.
Keepers
We have had a problem with the keepers breaking off. One-way to avoid this is to wrap the keeper with ______ ______, however if it does break off or there are any loose ends, then tie it off with an _____ knot
Electrical tape
Overhead
Carabiners used in the LAFD rope rescue kits are ____ “D” shaped carabiners, rated at _____ pounds. The basic parts of a carabiner include the ____, ____, ____, and _____.
Steel
9000lbs
Spine, hinge, gate, latch
The “D” shaped carabiner is designed to carry the load along the _____ side. Note that the ____ side of the carabiner is longer than the _____ side, with the top and bottom of the carabiner _____ towards the spine.
Spine
Spine
Gate
Flaring
“D” shaped carabiners are the strongest when the material in the carabiner is pulled in the small area of the carabiner, next to the _____.
Spine
Carabiners are designed to be lock with only _____ ______ tightness.
Light finger
Never tighten a carabiner using _____ _____.
Never re-tighten a carabiner when the system is ______. This may damage the locking mechanism.
Never ____ ____ a carabiner.
Channel locks
Loaded
Side load
a solid one-piece aluminum rappelling device. The speed of descent is controlled by regulating the speed of the rope as it passes through the device and your hand.
Figure eight plate
Figure eight plates come with or without ____.
Figure eight plates come in varying ______.
Use for ______and ______ systems.
Larger figure eight plates have less ______ and will accommodate ______ size ropes.
All figure eight plates tend to _____ the rope during use.
Once on the rope, it is difficult to ______ friction.
Rappelling or lowering operations over ___ feet a _____ ____ _____ should be used, due to the twisting of the rope.
Ears
Diameters
Rappelling and lowering
Friction
Larger
Twist
Increase
75’
Brake bar rack
have a proven reputation among vertical cavers and rescue teams as the preferred friction device.
Brake bar racks
One of the major advantages of the brake bar rack is the way the rope runs ____ _____ ___, greatly reducing twisting in the rope during long lowering and rappelling operations.
Straight through it
The welded eye, on one end, is used for attachment and is rated at _______ pounds.
10,000lbs
For a single person load (rappel or lower), start with _____ bars.
4 bars
For a two-person loads, start with ____ bars.
5 bars
Brake bar rack:
The maximum would be ___, and the minimum should never be less than _____ during any operation.
6
3
Wrap the rope ____ over the yoke and through the brake bar rack pulling the bars together. Tie the rope off with two ___ _____ in front of the brake bar rack.
Twice
Half hitches
Check for wear, cracks, and dents. If the bars appear damaged or worn the entire brake bar rack should be sent to ____ __ for evaluation and replacement.
User 88
Anchor systems can be made out of _____ or ____.
Webbing or rope
When you have a _______ anchor such as fire apparatus, you do not have to back anchor or create multi point anchors.
Bombproof anchor
The main line and belay line can share the same anchor if it is ______, however they must be attached to the anchor via separate pieces of _______.
Bombproof
Webbing
TYPES OF ANCHORS
____
Apparatus ____
____ and ____
____ Posts
______ Post and _____-
_______ Poles
Vehicles
Apparatus eyes
Rims and axels
Car posts
Concrete post and pillars
Telephone poles
TYPES OF ANCHORS:
Pickets: Various patterns and configurations. Pickets should be ____ foot in length, ____ inch round ____ _____ preferred. The pickets should be pounded ___ feet into the ground, at a __ degree angle, ____ from the object. Consider soil type, moisture content, and proximity to the edge.
3’
ONE INCH STEEL STOCK
2’
15 degree
Away
TYPES OF ANCHORS:
Fence Post: Make sure the post has a ___ , because water build up rots out the bottom. Consider using more than one post. Consider ____ ______.
Cap
Back anchoring
TYPES OF ANCHORS:
Trees: Use large tree trunks: no _____ _____; live trees.
EXPOSED ROOTS