verdugo fire academy fire service ladders robert sepulveda, vfa instructor fire service ladders...
TRANSCRIPT
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VERDUGO FIRE ACADEMYVERDUGO FIRE ACADEMY
FIRE SERVICE LADDERS
Robert Sepulveda, VFA Instructor
FIRE SERVICE LADDERS
Robert Sepulveda, VFA Instructor
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SCHEDULE SCHEDULE
Ladder Lecture/DVD (0800-1000)Ladder Lecture/DVD (0800-1000)
Break (1000-1015)Break (1000-1015)
Rotation 1 (1015-1145) straight laddersRotation 1 (1015-1145) straight ladders
Lunch (1200-1300)Lunch (1200-1300)
Rotation 2 (1300-1430) extension laddersRotation 2 (1300-1430) extension ladders
Break (1430-1445)Break (1430-1445)
Rotation 3 (1445-1615) misc laddersRotation 3 (1445-1615) misc ladders
Clean up & Dismissal (1630-1700)Clean up & Dismissal (1630-1700)
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BASIC TRUCK BASIC TRUCK OPERATIONSOPERATIONS
LL-adders (ground & aerial)-adders (ground & aerial) OO-verhaul (interior & exterior)-verhaul (interior & exterior) UU-tilities (gas, electrical, & water)-tilities (gas, electrical, & water) VV-entilation (horizontal & vertical)-entilation (horizontal & vertical) EE-xtrication (all types vehicles)-xtrication (all types vehicles) RR-escue (fires, swiftwater, technical etc.) -escue (fires, swiftwater, technical etc.) SS-alvage (water removal, contents etc.)-alvage (water removal, contents etc.)
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OBJECTIVESOBJECTIVES
List and describe the parts of a ladder.List and describe the parts of a ladder. Describe the different types of ladders. Describe the different types of ladders. Describe how to clean, inspect, and store Describe how to clean, inspect, and store
ladders.ladders.
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OBJECTIVESOBJECTIVES
Describe the hazards with ladders.Describe the hazards with ladders. Describe how to deploy a ladder. Describe how to deploy a ladder. Describe how to work on a ladder.Describe how to work on a ladder. Describe general safety rules for ladders.Describe general safety rules for ladders.
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IntroductionIntroduction
The fire service ladder is one of the most The fire service ladder is one of the most basic fire fighter tools.basic fire fighter tools.
Ladder technology has not changed Ladder technology has not changed much over the years.much over the years.
Every fire fighter must be proficient in Every fire fighter must be proficient in working with ladders. working with ladders.
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Primary Functions of a Primary Functions of a LadderLadder
Provides a vertical Provides a vertical path between gradespath between grades
Provides an escape Provides an escape path and a means to path and a means to evacuate peopleevacuate people
Can be used as a Can be used as a working platformworking platform
Can bridge a small Can bridge a small openingopening
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Secondary Functions of a Secondary Functions of a LadderLadder
Provides stable footing Provides stable footing and distribute weight on and distribute weight on pitched roofspitched roofs
Creates a ladder gin to Creates a ladder gin to raise or lower people or raise or lower people or objectsobjects
Provides a platform for Provides a platform for equipmentequipment
Creates a ramp for Creates a ramp for equipment or patientsequipment or patients
Creates a water chute Creates a water chute with use of tarp/salvage with use of tarp/salvage covercover
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Ladder ConstructionLadder Construction
Fire service ladders are similar to other Fire service ladders are similar to other types of ladders.types of ladders. But are specialized tools, not general But are specialized tools, not general
purpose ladderspurpose ladders
Require heavy-duty constructionRequire heavy-duty construction Require more frequent and thorough Require more frequent and thorough
maintenancemaintenance
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Basic Ladder ComponentsBasic Ladder Components
BeamsBeams RailRail Truss BlockTruss Block RungRung Tie RodTie Rod
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Basic Ladder ComponentsBasic Ladder Components
TipTip Butt (heel)Butt (heel)
Butt spursButt spurs Butt plateButt plate
Roof hooksRoof hooks Heat sensor labelHeat sensor label Protection platesProtection plates
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BeamsBeams
One of two main One of two main structural structural components components
Run the length of Run the length of most laddersmost ladders
Three types of beam Three types of beam construction:construction: Trussed beamTrussed beam I-beamI-beam Solid beamSolid beam
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Rail and Truss BlockRail and Truss Block
RailRail Top or bottom section of a trussed beamTop or bottom section of a trussed beam May also refer to top and bottom surfaces of May also refer to top and bottom surfaces of
an I-beaman I-beam
Truss blockTruss block Piece that connects the two rails of a trussed Piece that connects the two rails of a trussed
beambeam
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Rung and Tie RodRung and Tie Rod
RungRung Crosspiece that spans the two beams of a Crosspiece that spans the two beams of a
ladderladder Serves as steps and transfer user’s weightServes as steps and transfer user’s weight
Tie rodTie rod Metal bar that runs from one beam of the Metal bar that runs from one beam of the
ladder to the other to keep the beams from ladder to the other to keep the beams from separatingseparating
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Tip, Butt, and Butt SpursTip, Butt, and Butt Spurs
TipTip Very top of the ladderVery top of the ladder
ButtButt End of the ladder that End of the ladder that
is placed against the is placed against the groundground
Butt spursButt spurs Metal spikes attached Metal spikes attached
to the butt of a ladderto the butt of a ladder
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Butt Plate and Roof Butt Plate and Roof HooksHooks
Butt plate or footpadButt plate or footpad Alternative to a simple butt Alternative to a simple butt
spurspur Incorporates both a spur Incorporates both a spur
and a cleat or padand a cleat or pad Roof hooksRoof hooks
Spring-loaded, retractable, Spring-loaded, retractable, curved metal pieces curved metal pieces attached to the tip of a attached to the tip of a roof ladderroof ladder
Used to secure the ladder Used to secure the ladder to the peak of a pitched to the peak of a pitched roofroof
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Heat Sensor Label and Heat Sensor Label and Protection PlatesProtection Plates
Heat sensor labelHeat sensor label Identifies when the ladder has been exposed Identifies when the ladder has been exposed
to specific heat conditionsto specific heat conditions Changes color when exposed to a particular Changes color when exposed to a particular
temperaturetemperature
Protection platesProtection plates Reinforcing pieces placed at chaffing and Reinforcing pieces placed at chaffing and
contact points to prevent damagecontact points to prevent damage
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Extension Ladder Extension Ladder ComponentsComponents
Bed sectionBed section Fly sectionFly section GuidesGuides HalyardHalyard Pawls/DogsPawls/Dogs PulleyPulley StopsStops StaypolesStaypoles
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Bed Section and Fly Bed Section and Fly SectionSection
Bed sectionBed section Widest sectionWidest section Serves as the baseServes as the base
Fly sectionFly section Part that is raised or Part that is raised or
extended from the extended from the bed sectionbed section
Each fly section Each fly section extends from the extends from the previous sectionprevious section
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Guides and HalyardGuides and Halyard
GuidesGuides Strips of metal or Strips of metal or
wood that guide a fly wood that guide a fly section as it is section as it is extendedextended
HalyardHalyard Rope or cable used to Rope or cable used to
extend or hoist the fly extend or hoist the fly sectionssections
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Pawls and PulleyPawls and Pulley
Pawls (Dogs)Pawls (Dogs) Mechanical locking Mechanical locking
devices used to devices used to secure the fly secure the fly sections of an sections of an extension ladderextension ladder
PulleyPulley Small grooved wheel Small grooved wheel
used to change the used to change the direction of the direction of the halyard pullhalyard pull
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Stops and StaypolesStops and Staypoles
StopsStops Pieces of wood or metal that prevent the fly Pieces of wood or metal that prevent the fly
sections from overextending and collapsingsections from overextending and collapsing
StaypolesStaypoles Long metal poles attached to the top of the Long metal poles attached to the top of the
bed sectionbed section Help stabilize the ladder as it is raised and Help stabilize the ladder as it is raised and
loweredlowered
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Types of LaddersTypes of Ladders
Aerial laddersAerial ladders Permanently mounted and operated from Permanently mounted and operated from
fire apparatusfire apparatus
Portable laddersPortable ladders Carried on fire apparatusCarried on fire apparatus Designed to be removed and used in other Designed to be removed and used in other
locationslocations
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Aerial LaddersAerial Ladders
Permanently Permanently mounted, power-mounted, power-operated laddersoperated ladders
Have at least two Have at least two sectionssections
Straight chassis: Straight chassis: straight-stick aerialsstraight-stick aerials
Tractor trailer Tractor trailer chassis: tillered chassis: tillered aerials or trucksaerials or trucks
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Elevating PlatformElevating Platform
Includes passenger-Includes passenger-carrying platform carrying platform attached to tipattached to tip
Ladder or boom must Ladder or boom must have at least two have at least two sectionssections TelescopingTelescoping ArticulatingArticulating
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Portable LaddersPortable Ladders
Number and lengths of ladders used by a Number and lengths of ladders used by a department depend on the maximum department depend on the maximum height of buildings in the response area.height of buildings in the response area.
Generally, portable ladders are limited to Generally, portable ladders are limited to a length of 50'.a length of 50'.
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Straight LadderStraight Ladder
Single-section, fixed-Single-section, fixed-length ladderlength ladder
May also be called May also be called wall ladders or single wall ladders or single laddersladders
Commonly 12' to 20' Commonly 12' to 20' long, but can be up long, but can be up to 30' and longerto 30' and longer
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Roof LadderRoof Ladder
Straight ladder with Straight ladder with roof hooksroof hooks
Sometimes called a Sometimes called a hook ladderhook ladder
Provides stable Provides stable footingfooting
Usually 12' to 20' Usually 12' to 20' longlong
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Extension LadderExtension Ladder
Adjustable lengthAdjustable length Multiple sectionsMultiple sections Usually heavier than Usually heavier than
a straight ladder of a straight ladder of the same lengththe same length
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Bangor LadderBangor Ladder
Extension ladder with Extension ladder with staypolesstaypoles
Staypoles are Staypoles are planted in the ground planted in the ground on either side for on either side for additional stability.additional stability.
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Combination LadderCombination Ladder
Convertible from a Convertible from a straight ladder to an straight ladder to an A-frame, stepladderA-frame, stepladder
Generally 6' to 10' in Generally 6' to 10' in the A-frame the A-frame configuration and 10' configuration and 10' and 15' in the and 15' in the extension extension configurationconfiguration
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Folding LadderFolding Ladder
Also called an attic Also called an attic ladderladder
Narrow, collapsing Narrow, collapsing ladderladder
Designed to allow Designed to allow access to attic scuttle access to attic scuttle holes and confined holes and confined areasareas
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Inspection, Maintenance, Inspection, Maintenance, and Service Testingand Service Testing
NFPA 1931NFPA 1931 Standard for Manufacture’s Design of Fire Standard for Manufacture’s Design of Fire
Department Ground Ladders. (establishes Department Ground Ladders. (establishes requirements for ladder construction)requirements for ladder construction)
NFPA 1932NFPA 1932 Standard on Use, Maintenance, and Service Standard on Use, Maintenance, and Service
Testing of In-Service Fire Department Testing of In-Service Fire Department Ground Ladders.Ground Ladders.
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InspectionInspection
Ground ladder visually inspected monthly Ground ladder visually inspected monthly or after each useor after each use Splintering, cracking, deformity, breaks, Splintering, cracking, deformity, breaks,
gouges, fraying, or other conditionsgouges, fraying, or other conditions Components fit snugly and operate Components fit snugly and operate
smoothly.smoothly. Heat sensor labelHeat sensor label
If deficiencies are revealed, remove If deficiencies are revealed, remove ladder from service and repair it.ladder from service and repair it.
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MaintenanceMaintenance
All fire fighters should be able to perform All fire fighters should be able to perform routine maintenance.routine maintenance.
Basic maintenance tasks:Basic maintenance tasks: Clean and lubricate the dogs and slides.Clean and lubricate the dogs and slides. Replace worn halyards and wire rope.Replace worn halyards and wire rope. Clean and lubricate roof hooks.Clean and lubricate roof hooks. Maintain finish.Maintain finish. Replace ladder in storage racks.Replace ladder in storage racks.
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CleaningCleaning
Clean regularly and Clean regularly and after each use with after each use with warm, soapy water warm, soapy water and a soft-bristle and a soft-bristle brush.brush.
Dry ladder before Dry ladder before storing it.storing it.
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Service TestingService Testing
NFPA 1932 requires periodic testing of NFPA 1932 requires periodic testing of ground ladders.ground ladders.
Test new ladders before use and Test new ladders before use and annually thereafter.annually thereafter.
Test ladders after any repairs before Test ladders after any repairs before placing back in service.placing back in service.
Maintain service and testing records for Maintain service and testing records for each ladder.each ladder.
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Ladder SafetyLadder Safety
Several potential hazards are associated Several potential hazards are associated with ladder use. (with ladder use. (overhead obstructionsoverhead obstructions!)!)
Use with caution and follow Use with caution and follow manufacturers’ recommendations.manufacturers’ recommendations.
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General Safety General Safety RequirementsRequirements
Use full PPE around ladders.Use full PPE around ladders. Fire fighters must be able to work with Fire fighters must be able to work with
and on ladders while wearing SCBA.and on ladders while wearing SCBA.
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Lifting and Moving Lifting and Moving LaddersLadders
Teamwork is essential when moving Teamwork is essential when moving ladders.ladders.
Ask for help lifting or moving heavy Ask for help lifting or moving heavy ladders.ladders.
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Placement of Ground Placement of Ground LaddersLadders
Survey area before Survey area before placingplacing
AlwaysAlways check for check for overhead wires and overhead wires and other obstructions.other obstructions.
Place on stable and Place on stable and level surfaceslevel surfaces
Avoid heat and direct Avoid heat and direct flame.flame.
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Working on a LadderWorking on a Ladder
Check climbing angle Check climbing angle before climbing.before climbing.
Ensure dogs are Ensure dogs are locked and halyard is locked and halyard is tied before climbing.tied before climbing.
Secure the base by Secure the base by heeling/footing.heeling/footing.
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Working on a LadderWorking on a Ladder
Do not exceed ladder’s rated weight.Do not exceed ladder’s rated weight. Distribute weight along the length of the Distribute weight along the length of the
ladder.ladder. No more than one fire fighter on each ladder No more than one fire fighter on each ladder
sectionsection Be prepared for falling debris.Be prepared for falling debris. Be prepared to climb down quickly if Be prepared to climb down quickly if
conditions change rapidly.conditions change rapidly.
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Rescue OperationsRescue Operations
Anticipate actions of people you are Anticipate actions of people you are trying to rescue.trying to rescue. Do not let people jump to the ladder.Do not let people jump to the ladder. Do not let more than one person on each Do not let more than one person on each
section.section.
Make verbal contact with victim.Make verbal contact with victim. Safeguard victims as they climb down.Safeguard victims as they climb down.
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Ladder DamageLadder Damage
Ladders may be easily damaged while in Ladders may be easily damaged while in use.use.
Remove from service any ladder used Remove from service any ladder used outside of normal limits.outside of normal limits. Even if no damage is visibleEven if no damage is visible
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Using Portable LaddersUsing Portable Ladders
Using a ladder requires that fire fighters Using a ladder requires that fire fighters complete a series of consecutive tasks.complete a series of consecutive tasks. Select the best ladder.Select the best ladder. Remove the ladder from apparatus and Remove the ladder from apparatus and
carry it to the required location.carry it to the required location. Raise and secure the ladder.Raise and secure the ladder. Lower the ladder and return it to the Lower the ladder and return it to the
apparatus.apparatus.
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Ladder SelectionLadder Selection
Select the right ladder for the job.Select the right ladder for the job. Ensure ladder is long enough.Ensure ladder is long enough.
Floor-to-floor height (residential): 8–10'Floor-to-floor height (residential): 8–10' Floor-to-windowsill height (residential): 3'Floor-to-windowsill height (residential): 3' Floor-to-floor height (commercial): 12'Floor-to-floor height (commercial): 12' Floor-to-windowsill height (commercial): 4'Floor-to-windowsill height (commercial): 4'
Length depends on use of ladder.Length depends on use of ladder.
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Ladder SelectionLadder Selection
Roof accessRoof access Ladder tip should Ladder tip should
extend several feet, extend several feet, or five rungs above or five rungs above roofline.roofline.
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Ladder SelectionLadder Selection
Window access (not Window access (not rescue)rescue) Ladder tip should be Ladder tip should be
at the side of and at the side of and even with the top of a even with the top of a window.window.
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Ladder SelectionLadder Selection
Window rescuesWindow rescues Ladder tip should be Ladder tip should be
at the windowsill.at the windowsill.
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Ladder SelectionLadder Selection
Proper climbing angle is 75 degrees to Proper climbing angle is 75 degrees to the ground.the ground. Ladder will need to be slightly longer than Ladder will need to be slightly longer than
the vertical distance between the ground the vertical distance between the ground and the target.and the target.
Approximately one additional foot for each Approximately one additional foot for each 15' of vertical height15' of vertical height
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Removing the Ladder Removing the Ladder from Apparatusfrom Apparatus
Know what ladders Know what ladders are stored and are stored and where.where.
Know how to remove Know how to remove them and how many them and how many people are needed.people are needed.
Do not lay ladders on Do not lay ladders on the ground near the ground near exhaust pipes.exhaust pipes.
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Lifting LaddersLifting Ladders
Use sufficient Use sufficient assistance to lift assistance to lift heavy ladders.heavy ladders.
Know the lifting Know the lifting commands and commands and procedures.procedures.
Bend at the knees Bend at the knees and keep your back and keep your back straight when lifting.straight when lifting.
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Carrying LaddersCarrying Ladders
Basic types:Basic types: Single fire fighter carry Single fire fighter carry Shoulder carry (low and high)Shoulder carry (low and high) Flat shoulder carryFlat shoulder carry
Carries can be done in combinations of Carries can be done in combinations of two, three, or four fire fighters.two, three, or four fire fighters.
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Placing a LadderPlacing a Ladder
Site selectionSite selection General area chosen by officer in chargeGeneral area chosen by officer in charge Specific area chosen by fire fighterSpecific area chosen by fire fighter
Stable, level surfaceStable, level surface No manhole covers or trap doorsNo manhole covers or trap doors Free from overhead obstructionsFree from overhead obstructions At least 10' from power linesAt least 10' from power lines Away from door and other high-traffic areasAway from door and other high-traffic areas
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Placing a LadderPlacing a Ladder
Climbing angleClimbing angle 75 degrees75 degrees Ladder is arm’s length away when standing Ladder is arm’s length away when standing
vertically.vertically. Vertical reach 4x distance from base of the Vertical reach 4x distance from base of the
structurestructure Check inclination guide.Check inclination guide.
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Raising a LadderRaising a Ladder
Use a beam raise when ladder must be Use a beam raise when ladder must be raised parallel to the target.raised parallel to the target.
Use a rung raise when ladder must be Use a rung raise when ladder must be raised perpendicular to the target.raised perpendicular to the target.
Combinations of one, two, three, and four Combinations of one, two, three, and four fire fighters can be used for raise.fire fighters can be used for raise.
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Raising a LadderRaising a Ladder
Tying the halyardTying the halyard Keeps it out of the wayKeeps it out of the way Provides a backup to the dogs for securing Provides a backup to the dogs for securing
the fly sectionthe fly section
Fly section orientationFly section orientation Ladder manufacturer will specify.Ladder manufacturer will specify. Metal or fiberglass ladders are generally Metal or fiberglass ladders are generally
used fly section out.used fly section out.
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Securing the LadderSecuring the Ladder
Heeling the ladderHeeling the ladder Standing under Standing under
ladder, pull back into ladder, pull back into structure.structure.
Place a foot against Place a foot against each beam.each beam.
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Securing the LadderSecuring the Ladder
Tie the ladder off.Tie the ladder off. Tie the bottom rung to a secure object.Tie the bottom rung to a secure object. Tie the tip of the ladder to a secure object.Tie the tip of the ladder to a secure object.
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Climbing the LadderClimbing the Ladder
Ensure ladder is properly secured.Ensure ladder is properly secured. Check climbing angle.Check climbing angle. Climb slowly; avoid bouncing.Climb slowly; avoid bouncing. Wear proper PPE and lower face shield.Wear proper PPE and lower face shield. Hoist tools by rope if possible.Hoist tools by rope if possible. Do not overload ladder.Do not overload ladder.
No more than two fire fighters on a ladderNo more than two fire fighters on a ladder
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Dismounting a LadderDismounting a Ladder
Ensure roof or floor is Ensure roof or floor is solid and stable before solid and stable before dismounting.dismounting. Test with a tool before Test with a tool before
stepping off.stepping off.
Maintain contact with Maintain contact with ladder at three points.ladder at three points. Do not shift weight until Do not shift weight until
you have tested the you have tested the footing.footing.
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Working From a LadderWorking From a Ladder
Use a ladder belt or Use a ladder belt or a leg lock to secure a leg lock to secure yourself to the yourself to the ladder.ladder.
Do not attempt work Do not attempt work from a ladder without from a ladder without properly securing properly securing yourself first.yourself first.
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Placing a Roof LadderPlacing a Roof Ladder
Open roof hooks on the ground.Open roof hooks on the ground. Place on ground ladder with hooks up.Place on ground ladder with hooks up. Slide or hoist the roof ladder upward.Slide or hoist the roof ladder upward. Once on the roof, slide the roof ladder Once on the roof, slide the roof ladder
into position and flip it over when hooks into position and flip it over when hooks clear the peak of the roof.clear the peak of the roof.
Secure the roof ladder.Secure the roof ladder.
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SummarySummary
Fire fighters must be competent in the Fire fighters must be competent in the basic skills needed to use portable basic skills needed to use portable ladders safely.ladders safely.
In addition to using ladders, fire fighters In addition to using ladders, fire fighters must be able to inspect, maintain, and must be able to inspect, maintain, and field test them.field test them.
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SummarySummary
Ladders are used to gain access to a Ladders are used to gain access to a higher or lower elevation, perform higher or lower elevation, perform rescues, provide a platform from which to rescues, provide a platform from which to work, as an emergency egress, and to work, as an emergency egress, and to support equipment or fabricate a water support equipment or fabricate a water chute.chute.
Fire fighters must know how ladders are Fire fighters must know how ladders are constructed and what ladders are constructed and what ladders are appropriate for what jobs.appropriate for what jobs.
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QUESTIONS?QUESTIONS?