67Th Recruit Class Ropes And Knots Nathan Cockman

Lifeline Definition

Breaking Strength Definition

Tensile Strength Definition

The maximum load suggested for safe use of rope, usually a fraction of the breaking strength

the ration between the breaking strength and the working strength

a load resulting from rapid change of movement, such as impacting, jerking, swinging or falling of static loads.

rope to be used for hoisting of small tools and appliances or anchoring of ladders and hoselines

_____ _____ rope is used to support rescuers and or victims during actual incidents or training

the Standard on Life Safety Rope and Equipment for Emergency Services

NFPA ____ defines life safety rope as "rope dedicated solely for the purpose of constructing lines to be used for the ___ , ___ , or ___ people during rescue, firefighting or other emergency operations.

4 things rope manufacturers have to provide

life safety rope can be reused if it is/has not:

any life safety rope that does not pass inspection must be:

"destroyed" means it must be ____ in some way that it cannot be mistaken for ___ ___ rope

rope subjected to ___ ___ must have an entry in its log because there is no way to tell by inspection that it has been ___ ___

___ ___ is used in instances where rope is required but does not support rescuers or victims in any way.

utility rope is used for: 3 things

industry standards exist concerning the ___ ___ of utility rope

no standards set forth for ___ rope ____.

utility rope must be regularly ___ for ____

two types of rope materials

___ ___ rope is no longer accepted for use in life safety applications, only as ___ ___

natural fiber rope was the primary type of rope used for rescue until the ___ ___ ___ ___ ___ ___.

the natural fibers are ___ ___ to form ___

natural fiber ropes can be weakened by ___ and deteriorate with ___, even when properly stored

the materials that fall into natural fiber include ___ , ___, and ___.

___ Hemp is imported from the philippines and made from the fibers of the ___ plants

manila hemp was the standard FD rope until:

___ ___ or ___ ___ grade is the highest quality manila rope and can be identified by the ___ ___ woven into the rope

a wet ___ rope can absorb ___ ___ of its weight in water

sisal rope is made from the fibers of the ___

sisal rope has ___ ___ less tensile strength than manila rope of similar ___

sisal rope ___ when wet

___ ___ is made from the seed hairs obtained from the cotton ___

___ ___ less tensile strength than the manila fiber ropes of similar ___

___ ___ rope is the preferred rope for life safety applications

synthetic ropes have a high ___ ___ ___ ratio

synthetic ropes of ___ making up the rope that are ___ from end to end

synthetic fiber ropes are more resistant to ___ and ___ and do not ___ or ___ quickly

synthetic fiber ropes ___ much less water and can be ___ and ___

synthetic ropes have greater ___ ___ absorbtion

two disadvantages of synthetic fiber ropes

the primary synthetic materials are ___, ___,___, and ___.

nylon is strongest for ___ and ___

nylon is ___ to most chemicals

nylon has excellent ___ resistance

nylon has a high ___ ___ and high ___ ___

nylon loses ___ ___ of its strength when wet and or frozen and ___ under a load and will not ___ ___ ___.

polypropylene is the ___ of synthetic fibers and does not absorb ___, and it ___, which makes it good for ___ ___ operations.

polypropylene has a low ___ ___ and low ___ ___

polypropylene has a relatively low ___ ___ and is susceptible to damage from ___.

polypropylene is not suitable for ___ ___ rope because it is not ___ enough and it is hard to ___ ___.

polyethylene properties are very similar to polypropylene but it will ___ indefinitely and has a low ___ ___.

___ is replacing the use of nylon rope

polyester has a lower ___ than Nylon

4 most common types of rope construction techniques

laid or twisted is formed by ___ individual ___ to form ___ or bundles. these ___ are then ___ together to form the finished rope

every ___ is exposed to the outside of the rope on a laid or twisted rope

laid ropes tend to ___ and ___ when used for rappel rope.

laid rope tends to ___ and are prone to ___ when a ___ is applied, but they are ___ ___ ___.

braided rope is formed by ___ small bundles of ___ together

braided rope ___ are subject to direct ___ and ___.

braided rope will ___ under a load, but is not prone to ___.

braid on braid or ___ ___ is constructed with bot a ___ ___ and ___ ___.

___ split between the core and the sheath in total strength on a double braided rope

double braided ropes tend to be ___ ___

the ___ ___ is protected from abrasions by the outer ___ but the sheath may ___ along the inner ___ of the rope. (double braided rope)

kern is the ___, most important part of something: ___

anything that cloaks, envelopes, covers, or conceals

___ ___ of strength comes from the kern and ___ ___ of the strength comes from the ___

mantles main purpose is to protect the ___ from ___ ___

___ ___ ropes are manufactured from nylon and come in both ___ and ___.

3 types of rope used in Life Safety Situations

used when long falls are a possiblity

dynamic rope is designed to ___ without ___.

___ to ___ percent ___ at normal safe working loads.

when the dynamic rope is loaded, the ___ ___ are pulled tighter, which gives the rope its ___.

___ ___ is the rope of choice for most rescue incidents

according to NFPA ___, static rope must not elongate more than ___ percent when tested under a load equal to ___ percent of its ___ ___.

static rope is used mainly for 3 things

static rope fibers are laid ___ to each other in the core

low stretch rope elongation is greater than ___ percent and less than ___ at a load of ___ percent of the ropes minimum ___ ___.

low stretch rope is used primarily in ___.

4 categories of life safety rope

light-use rope is ___ inch diameter or greater, but less than ___ inch and intended to support the weight of ___ ___

light use rope must of a minimum breaking strength of ____ pounds, and a maximum safe working load limit of ___ pounds.

general use rope has a ___ inch diameter or greater, but less than or equal to ___ inch and intended to support the weight of ___ ___.

general use must have a minimum breaking strength of ___ pounds, and a maximum safe working load limit of ___ pounds.

throwline ropes are ___ inch in diameter or greater, but less than ___ inch, and used to ___ rescuers during ___ rescues or to throw to a ___ in the water

throwline ropes must have a minimum breaking strength of about ___ pounds, and a maximum safe working load limit of ___ pounds

escape rope is not considered ___ ___ rope, but is constructed in a similar manner as ___ ___ rope

escape rope must meet generally the same ___, ___ ___, and ___ ___ ___ requirements as ___.

escape rope is intended to be used ___ and then ___

rope colors serve 3 main purposes

ropes must be inspected ___ ___ ___, whether it was used for actual emergency or training.

unused ropes should be inspected at least ___

inspect ropes ___ and by ___

___ should not be worn when inspecting and storing ropes

a ___ must be started and kept through the ropes working life and some ___ is required for ___ each rope.

a rope log is kept up to show: 2 things

and helps determine if the rope should be ___

best policy for cleaning rope is to follow the ___ ___

___ ___ rope can not be cleaned effectively because water cannot be used. ___ or ___ the rope to remove as much dirt and grit as possible.

synthetic fiber ropes can be cleaned using ___ ___ ___ and ___ ___. some synthetic rope can feel ___ after washing.

most basic method of washing rope

wiping the rope with a ___ or scrubbing with a ___ then rinsing the rope with ___.

small PVC device that fastens directly to water source

using a washing machine :

ropes must be completely ___ before being ___.

lay rope on the ___ ___ or any other area that is ___, ___, and ___ ___ ___ ___.

ropes can be stored in ___ or rope ___

ropes should not be exposed to ___ ___ and not stored in the same compartments where ___ ___ equipment or the spare ___ for tools is stored

___ rope is the best method for storing life safety rope.

webbing has two types of construction

tubular design webbing has two different designs: a ___ weave and a ___ weave. the ___ weave is stronger and more resistant to ___.

rope rescue is a ___ skill that requires ___ ___

___ is the primary means for raising and lowering ___, ___, and ___

fastens around the waist and arounds the thighs or under the buttocks

class 1 harness is intended to be used for emergency escape with a load of up to ___ pounds

class 2 harness fastens the same as class 1 but is rated for up to ___ pounds.

only way to tell the difference between class 1 and class 2 harness is to look at ___ ___

class 3 harness fastens around the waist, around the thighs or under the butt, and over the ___

class 3 harness rated for

a metal snap link used to connect elements of a rescue system together

used for rappelling or as a friction brake in lowering systems

used to ascend vertical rope

used in rescue systems to change the direction of pull or to generate mechanical advantage

parts of a rope

formed by simply bending the rope back on itself while keeping the sides parallel

made by crossing the side of a bight over the standing part

consists of further bending one side of a loop

bight, loop, and round turn are the names for the ___ that a rope undergoes in the formation of a ___ or ___

knots and hitches are formed by combining these elements in different ways so that the tight part of the rope bears on the ___ ___ to hold it in place.

knots should be: 4 things

knots should present as few ___ as possible to ___ strength

all knots should be ___ after they are tied

one way to prevent failures of knots is to tie a ___ ___ in the tail of the ___ ___ of the rope

knots can be used for one or more purposes:

___ are used to attach a rope around an object

___ are used to form loops

___ are used to join to ropes together

GFD now uses the ___ ___ as its "safety" knot

not a secure knot by itself but used as a stabilizer as well as to keep the hoisting rope aligned with the handle of the object

used to attach a rope firmly to a round object such as a ___, ___, or ___

clove hitch can be formed:

clove hitch not regarded as suitable for use in ___ a life safety rope system

bowline is easily ___ and ___

should be able to tie this knot in the open as well as around an object and it is good for forming a single loop the will not constrict the object it is placed around

the foundation knot

used as a stopper knot to prevent rope from passing through a ___ ___

good way to tie a closed loop in the end of a rope

used to secure a rope around an object without the use of a carabiner or attaching a rope to a fixed ring or a solid object with an "eye"

used on life safety rope to tie ropes of equal diameter together

used to tie a loop in the middle of a rope and distribute force equally in both directions

used to create a prussic hitch or join two ropes of equal diameter. can be extremely difficult to untie when loaded.

used to join two pieces of webbing or the ends of the same piece when a loop is needed

one of the most common uses of rope in the fire service is to __ or ___ various tools and equipment from one ___ to another

anything with a closed handle can be raised using a ___ ___

anything with a long handle can be raised lowered using a ___ ___ and ___ ___

hitches 3

knots 7

bends 3