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Working at height and fall protection 284

A sprayer working a field with the boom at two heights shown in comparison, droplets falling steeply from the low boom and travelling sideways from thA sprayer working a field with the boom at two heights shown in comparison, droplets falling steeply from the Spray Drift, Re-Entry and the Tractor CabA plan view of an animal with a dashed flight zone circle around it, a line marked across its shoulder as the point of balance, and a shaded blind areA plan view of an animal with a dashed flight zone circle around it, a line marked across its shoulder as the Working Around Cattle: Flight Zone and HandlA rotating shaft with four items being drawn in and wound around it - a glove cuff, a shirt sleeve, long hair and a neck lanyard - each shown with an A rotating shaft with four items being drawn in and wound around it – a glove cuff, a shirt sleeve, long hair Entanglement: Clothing, Gloves, Hair and JewA plan view of a lane closure with the lateral safety zone hatched alongside the works and the longitudinal safety zone hatched at the upstream end, wA plan view of a lane closure with the lateral safety zone hatched alongside the works and the longitudinal saThe Safety Zone: Working Clearance From LiveA plan view of a lift with the load footprint, a wider dashed exclusion boundary marked by barriers, the swing radius shown as an arc, and a figure atA plan view of a lift with the load footprint, a wider dashed exclusion boundary marked by barriers, the swingExclusion Zones and Why Nobody Stands Under A webbing sling laid out flat with detail circles on a cut edge, pulled stitching at the eye, a heat-glazed patch and a roundsling cover worn through A webbing sling laid out flat with detail circles on a cut edge, pulled stitching at the eye, a heat-glazed paPre-Use Inspection of Textile SlingsA webbing sling shown over a sharp corner with the load concentrated on a narrow strip, beside the same corner fitted with a radiused softener spreadiA webbing sling shown over a sharp corner with the load concentrated on a narrow strip, beside the same cornerProtecting Slings From Edges and CornersThree slings shown side by side - chain, wire rope and textile webbing - each with a detail of how it behaves against a sharp edge on the load.Three slings shown side by side – chain, wire rope and textile webbing – each with a detail of how it behaves Selecting a Sling: Chain, Wire Rope or TextiSection through a building showing the demolition sequence numbered from the roof downward, with a detail circle on a temporary prop restraining a gabSection through a building showing the demolition sequence numbered from the roof downward, with a detail circDemolition Sequence Planning and Structural Plan and section of an open trench showing barriers around the full perimeter, a secured ladder extending above the crest, spoil set back from the edgPlan and section of an open trench showing barriers around the full perimeter, a secured ladder extending abovSafe Access, Edge Protection and Spoil PlaceSection through a trench showing a tension crack behind the crest, a failure plane through the face, spoil stacked close to the edge and a plant machiSection through a trench showing a tension crack behind the crest, a failure plane through the face, spoil staWhen an Excavation Needs Support: Assessing A scaffold access point with a tag holder shown enlarged, displaying the prohibition and permitted states, beside a figure removing a guardrail with aA scaffold access point with a tag holder shown enlarged, displaying the prohibition and permitted states, besScaffold Handover, Tagging and Who May AlterAn elevation of a scaffold bay with detail circles on the base plate and sole board, a tie into the building, the guardrail and toeboard, and a boardeAn elevation of a scaffold bay with detail circles on the base plate and sole board, a tie into the building, Scaffold Inspection Before You Step On It: WCutaway comparison of an industrial safety helmet and a mountaineering-style helmet, showing the releasing chinstrap on one and the four-point retaineCutaway comparison of an industrial safety helmet and a mountaineering-style helmet, showing the releasing chiSelecting a Safety Helmet for Construction WSimple line-art illustration of a settled dust layer on a horizontal overhead beam and ledge inside an industrial building.Simple line-art illustration of a settled dust layer on a horizontal overhead beam and ledge inside an industrHousekeeping and Combustible Dust ControlSimple line-art illustration of an ATEX-rated junction box with a flameproof enclosure and threaded cable gland.Simple line-art illustration of an ATEX-rated junction box with a flameproof enclosure and threaded cable glanSelecting ATEX-Rated Electrical EquipmentSimple line-art illustration of a safety boot with a visible conductive sole layer shown at a cutaway edge.Simple line-art illustration of a safety boot with a visible conductive sole layer shown at a cutaway edge.Antistatic and ESD-Safe Footwear for HazardoSimple line-art illustration of an order picker operator wearing a harness connected to an anchor point on the truck's cage.Simple line-art illustration of an order picker operator wearing a harness connected to an anchor point on thePicking at Height and Order Picker SafetySimple line-art illustration of a welder working from an elevated platform with a hose routed up from ground-level gas cylinders.Simple line-art illustration of a welder working from an elevated platform with a hose routed up from ground-lWelding and Hot Work at HeightSimple line-art illustration of a ventilation duct and hose running into a confined space entry hatch, with a harness hanging on a stand beside the opSimple line-art illustration of a ventilation duct and hose running into a confined space entry hatch, with a Confined Space Hot WorkSimple line-art illustration of a tree growing near an overhead power line, with a clearance boundary marked between the tree canopy and the line.Simple line-art illustration of a tree growing near an overhead power line, with a clearance boundary marked bWorking Near Overhead Lines During Tree WorkSimple line-art illustration of an arborist harness with a climbing rope routed through a friction hitch and connector to a tree canopy anchor point.Simple line-art illustration of an arborist harness with a climbing rope routed through a friction hitch and cAerial Tree Work: Rope and Harness Systems fSimple line-art illustration of a pair of chainsaw protective leg chaps with layered fabric panels visible at a cut edge.Simple line-art illustration of a pair of chainsaw protective leg chaps with layered fabric panels visible at Chainsaw Protective Clothing: Selecting ChapElevation diagram of two transmission pylons carrying overhead conductors, with a hatched exclusion envelope drawn around the cables labelled safe appElevation diagram of two transmission pylons carrying overhead conductors, with a hatched exclusion envelope dWorking Near Overhead Power Lines: Safe ApprDiagram of a rescue scenario at a roof edge: a suspended worker connected to fall-arrest equipment, a rescuer approaching along a pre-planned route wiDiagram of a rescue scenario at a roof edge: a suspended worker connected to fall-arrest equipment, a rescuer Rescue Planning for a Fall Arrested by a RooDiagram of a lone worker on a roof with a mobile device showing a check-in timer, connected to a ground-based contact who is monitoring for a missed cDiagram of a lone worker on a roof with a mobile device showing a check-in timer, connected to a ground-based Lone Working on a Roof: What ChangesDiagram of a roof anchor pre-use inspection showing checks at three points: the anchor body for cracks or corrosion, the fixing bolts for tightness anDiagram of a roof anchor pre-use inspection showing checks at three points: the anchor body for cracks or corrInspecting and Maintaining Roof-Mounted AnchDiagram of a roof plan view showing a planned access route marked with a solid line running well clear of a roof hatch and two skylights, compared agaDiagram of a roof plan view showing a planned access route marked with a solid line running well clear of a roRoof Access Route Planning: Hatches and SkylDiagram showing the components of a fall clearance calculation stacked vertically below a roof anchor: free fall distance, energy absorber deceleratioDiagram showing the components of a fall clearance calculation stacked vertically below a roof anchor: free faCalculating Fall Clearance for Roof-Mounted Diagram of a safety boot sole showing a slip-resistant tread pattern in contact with a wet metal roof surface, with a callout comparing tread wear betDiagram of a safety boot sole showing a slip-resistant tread pattern in contact with a wet metal roof surface,Footwear for Roof Work: Slip Resistance and Diagram showing three weather hazard scenarios on a roof: gusting wind catching a large sheet material, rain creating standing water and reduced frictDiagram showing three weather hazard scenarios on a roof: gusting wind catching a large sheet material, rain cWeather Limits for Roof Work: Wind, Rain andDiagram showing three roof pitch categories side by side: a flat roof with perimeter guardrails only, a moderate-pitch roof with a roof ladder distribDiagram showing three roof pitch categories side by side: a flat roof with perimeter guardrails only, a moderaRoof Pitch and Choosing the Right Fall ProteDiagram comparing three roof edge protection methods side by side: a guardrail system with top rail, mid rail and toe board along the edge; safety netDiagram comparing three roof edge protection methods side by side: a guardrail system with top rail, mid rail Edge Protection Systems: Guardrails, NettingDiagram of a mobile elevated work platform set up on level ground with outriggers deployed on load-spreading pads, a worker wearing a harness clipped Diagram of a mobile elevated work platform set up on level ground with outriggers deployed on load-spreading pSafe Use of Mobile Elevated Work Platforms fDiagram comparing a professional-rated extension ladder with reinforced stiles and rung locks against a lighter domestic stepladder, with the EN 131 mDiagram comparing a professional-rated extension ladder with reinforced stiles and rung locks against a lighteChoosing a Ladder Class for Roof Access: EN Diagram of a ladder set at the correct 4:1 angle against a wall, with the top tied off above the roof edge and the base on level ground, next to an inDiagram of a ladder set at the correct 4:1 angle against a wall, with the top tied off above the roof edge andLadder Safety for Roof Access: The Three-PoiDiagram of a roof surface showing a fragile roof light panel with a warning border and physical barrier around it, contrasted against the solid roof sDiagram of a roof surface showing a fragile roof light panel with a warning border and physical barrier aroundWorking Near Fragile Roof Surfaces and Roof Diagram comparing three roof anchor types: a fixed anchor plate bolted into a structural beam, a temporary strop wrapped around a roof structural membDiagram comparing three roof anchor types: a fixed anchor plate bolted into a structural beam, a temporary strSelecting a Roof Anchor System: Fixed, TempoImmobile vertical suspension: blood pools in the legs and pelvis while venous return, cardiac output and cerebral perfusion fall.Immobile vertical suspension: blood pools in the legs and pelvis while venous return, cardiac output and cerebSuspension Trauma: Why Minutes MatterLeft, correct: thigh straps snug and load spread across the thigh. Right, incorrect: slack straps let the harness ride up and concentrate pressure at Left, correct: thigh straps snug and load spread across the thigh. Right, incorrect: slack straps let the harnSuspension Trauma: Why Minutes MatterRescue from above using a pre-rigged anchor and a lowering device: the goal is to bring the casualty to a level where they can be laid flat.Rescue from above using a pre-rigged anchor and a lowering device: the goal is to bring the casualty to a leveSuspension Trauma: Why Minutes MatterTwo lines, two functions: a retrieval line to the lifting device and an independent backup fall arrest line on a separate anchor, removing the single Two lines, two functions: a retrieval line to the lifting device and an independent backup fall arrest line onVertical Extraction from a Confined Space: RCorrect: lifting from the shoulder rescue attachment points of an EN 1497 harness keeps the casualty upright and narrow enough to pass the opening. InCorrect: lifting from the shoulder rescue attachment points of an EN 1497 harness keeps the casualty upright aVertical Extraction from a Confined Space: RA packaged lift is wider and longer than a harness lift: check the stretcher, spreader bar and bridle against the actual shaft, pipework and opening cA packaged lift is wider and longer than a harness lift: check the stretcher, spreader bar and bridle against Vertical Extraction from a Confined Space: RA 180° redirect at the anchor roughly doubles the force: 250 kg (≈2.45 kN) becomes about 5 kN at the anchor point.A 180° redirect at the anchor roughly doubles the force: 250 kg (≈2.45 kN) becomes about 5 kN at the anchor poHeavy Load Lowering Anchor: Rigging and ContKeep the included angle at or below 90°: at 120° each leg already carries the full load, and at 150° it carries nearly twice.Keep the included angle at or below 90°: at 120° each leg already carries the full load, and at 150° it carrieHeavy Load Lowering Anchor: Rigging and ContCorrect: loaded along the spine, gate closed and locked. Incorrect: cross-loaded and gate pressed on an edge — far below the marked major-axis strengtCorrect: loaded along the spine, gate closed and locked. Incorrect: cross-loaded and gate pressed on an edge —Heavy Load Lowering Anchor: Rigging and ContTwo independent systems on separate anchors, each rated for the full load, with roller edge protection and a dedicated edge attendant.Two independent systems on separate anchors, each rated for the full load, with roller edge protection and a dHeavy Load Lowering Anchor: Rigging and ContCorrect: roller edge protection maintains a large bend radius. Incorrect: an unprotected arris abrades and compresses the sheath under a 250 kg load.Correct: roller edge protection maintains a large bend radius. Incorrect: an unprotected arris abrades and comHeavy Load Lowering Anchor: Rigging and ContTwo separately anchored ropes: the casualty stays held on one system while the other line and anchor remain available for the rescue.Two separately anchored ropes: the casualty stays held on one system while the other line and anchor remain avRelease and Rescue from a Static Rope: Load A conscious casualty who can stand in foot loops relieves leg-strap pressure and buys the rescue team time.A conscious casualty who can stand in foot loops relieves leg-strap pressure and buys the rescue team time.Release and Rescue from a Static Rope: Load Correct: the rescuer descends on an anchor and rope independent of the casualty's, with a separate back-up line and edge protection.Correct: the rescuer descends on an anchor and rope independent of the casualty's, with a separate back-up linRelease and Rescue from a Static Rope: Load Only a few centimetres of lift is needed: with the progress capture holding, the jammed cam or locked descender releases by hand.Only a few centimetres of lift is needed: with the progress capture holding, the jammed cam or locked descendeRelease and Rescue from a Static Rope: Load Rigged before work starts: a tie-off that can be released under load removes the need to lift the casualty at all.Rigged before work starts: a tie-off that can be released under load removes the need to lift the casualty at Release and Rescue from a Static Rope: Load Two-person load on one descender: keep the connection short, add friction rather than grip, and keep the airway accessible all the way down.Two-person load on one descender: keep the connection short, add friction rather than grip, and keep the airwaRelease and Rescue from a Static Rope: Load Side-view diagram of a worker suspended mid-span on a long rope, with arrows comparing the distance down to the ground against the distance up to the Side-view diagram of a worker suspended mid-span on a long rope, with arrows comparing the distance down to thRelease and Rescue from a Long Rope: GettingA loaded fall arrester or backup device can only be opened after the weight is fully carried by an independent load path and the device is visibly slaA loaded fall arrester or backup device can only be opened after the weight is fully carried by an independentRelease and Rescue from a Long Rope: GettingLowering works with gravity and needs less force; raising needs pulleys, progress capture and anchors rated for the higher loads.Lowering works with gravity and needs less force; raising needs pulleys, progress capture and anchors rated foRelease and Rescue from a Long Rope: GettingSide-view diagram of a worker suspended from an arrested fall: overhead beam anchor, fully deployed energy absorber, dorsal harness attachment, legs hSide-view diagram of a worker suspended from an arrested fall: overhead beam anchor, fully deployed energy absRelease and Rescue from a Fall-Arrest SystemLeft: unsupported legs, leg straps loaded across the thighs. Right: relief straps deployed as a stirrup so the worker can stand and unload the leg strLeft: unsupported legs, leg straps loaded across the thighs. Right: relief straps deployed as a stirrup so theRelease and Rescue from a Fall-Arrest SystemControlled lowering with a descender to EN 341: rescuer on an independent anchor, edge protection under the rope, fall-arrest connection released onlyControlled lowering with a descender to EN 341: rescuer on an independent anchor, edge protection under the roRelease and Rescue from a Fall-Arrest SystemWhere there is no clear space below, the casualty is raised: a retractable device with an integrated retrieval winch certified to EN 1496, mounted on Where there is no clear space below, the casualty is raised: a retractable device with an integrated retrievalRelease and Rescue from a Fall-Arrest SystemA rescue kit pre-rigged with the descender already installed on the rope and edge protection included beats a bag of loose components when the crew isA rescue kit pre-rigged with the descender already installed on the rope and edge protection included beats a Release and Rescue from a Fall-Arrest SystemA deployed absorber extends the assembly; EN 354 caps the total lanyard, absorber and connector length at 2 m, so the casualty can hang well over a meA deployed absorber extends the assembly; EN 354 caps the total lanyard, absorber and connector length at 2 m,Rescuing a Person Hanging on an Energy AbsorAssess the space below before choosing a method: deployment has already consumed clearance and may have brought the casualty close to lower structure Assess the space below before choosing a method: deployment has already consumed clearance and may have broughRescuing a Person Hanging on an Energy AbsorApproach from the side and support the casualty fully on the platform before disconnecting the fall arrest lanyard; never drag a suspended person sideApproach from the side and support the casualty fully on the platform before disconnecting the fall arrest lanRescuing a Person Hanging on an Energy AbsorThe arrested worker is suspended and immobile; the rescuer works from a separate, independent anchor rather than the loaded one.The arrested worker is suspended and immobile; the rescuer works from a separate, independent anchor rather thRelease and Rescue of a Co-Worker Using a ReA typical kit: EN 341 descender, EN 1496 lifting device, EN 1891 Type A rope, EN 795 anchor sling, EN 362 connectors, rescue loop, edge protection andA typical kit: EN 341 descender, EN 1496 lifting device, EN 1891 Type A rope, EN 795 anchor sling, EN 362 connRelease and Rescue of a Co-Worker Using a ReRaise the casualty only a few centimetres: the arrested lanyard must go visibly slack before its connector can be released.Raise the casualty only a few centimetres: the arrested lanyard must go visibly slack before its connector canRelease and Rescue of a Co-Worker Using a ReProtect the rope at every hard edge and confirm a clear landing zone with a receiver on the lower level before lowering begins.Protect the rope at every hard edge and confirm a clear landing zone with a receiver on the lower level beforeRelease and Rescue of a Co-Worker Using a ReWorking line (solid) on the descender at the anchor; the safety line (dashed) is on an independent anchor with its own operator throughout the operatiWorking line (solid) on the descender at the anchor; the safety line (dashed) is on an independent anchor withHauling: Building a Combined Lowering and RaArrow thickness shows relative force: in both configurations the anchor carries the load plus the haul force, approaching twice the load in a redirectArrow thickness shows relative force: in both configurations the anchor carries the load plus the haul force, Hauling: Building a Combined Lowering and RaThe edge attendant is the only person who can see the load and the edge, and holds an unconditional stop call.The edge attendant is the only person who can see the load and the edge, and holds an unconditional stop call.Hauling: Building a Combined Lowering and RaTwo independent lines: the solid working line carries the load through the descender; the dashed safety line is protected by a rope grab held high aboTwo independent lines: the solid working line carries the load through the descender; the dashed safety line iAccompanied Descent with a Rope Grab: RigginWorking line and safety line on independent anchors, each verified for a multi-person load under EN 795:2012 and CEN/TS 16415.Working line and safety line on independent anchors, each verified for a multi-person load under EN 795:2012 aAccompanied Descent with a Rope Grab: RigginLeft, correct: grab kept high with the manufacturer's short lanyard. Right, incorrect: accumulated slack increases both fall distance and arrest forceLeft, correct: grab kept high with the manufacturer's short lanyard. Right, incorrect: accumulated slack increAccompanied Descent with a Rope Grab: RigginThe casualty is linked short, kept upright with the thighs supported, and their own loaded lanyard is released only once weight has transferred to theThe casualty is linked short, kept upright with the thighs supported, and their own loaded lanyard is releasedAccompanied Descent with a Rope Grab: RigginTypical layout: the descender at the anchor holds and lowers, while a 3:1 built on the free strand does the raising.Typical layout: the descender at the anchor holds and lowers, while a 3:1 built on the free strand does the raHaul System with a Descender: Rigging, LimitCorrect: rope threaded per the manufacturer's diagram, load strand to the anchor side. Incorrect: reversed threading, which can feel functional under Correct: rope threaded per the manufacturer's diagram, load strand to the anchor side. Incorrect: reversed thrHaul System with a Descender: Rigging, LimitComparison diagram showing a single-person load on an anchor versus the roughly doubled load of a rescuer and casualty on the same anchor, with stressComparison diagram showing a single-person load on an anchor versus the roughly doubled load of a rescuer and Accompanied Descent Rescue: How the ManoeuvrDisconnect the casualty's original lanyard only once the transfer is complete and the slack is visible; a deployed absorber is then withdrawn from serDisconnect the casualty's original lanyard only once the transfer is complete and the slack is visible; a deplAccompanied Descent Rescue: How the ManoeuvrCalibration check: at full extension the handled ascender should sit around forehead height with straight arms. Chest height means the foot loop is toCalibration check: at full extension the handled ascender should sit around forehead height with straight armsGreater Efficiency on Rope Ascents: TechniquTensioning the lower end at a rated anchor stops the rope absorbing stroke length — use a rated anchor point per the site anchor plan, never a handraiTensioning the lower end at a rated anchor stops the rope absorbing stroke length — use a rated anchor point pGreater Efficiency on Rope Ascents: TechniquLeft: rigid anchor line to EN 353-1 — the device passes the bracket, attachment is never broken. Right: flexible line to EN 353-2 — a mid-line knot stLeft: rigid anchor line to EN 353-1 — the device passes the bracket, attachment is never broken. Right: flexibApproaching an Obstacle with a Rope Grab: HoCorrect: device at chest height, connector taut, hands on the structure. Incorrect: low device, slack above it, and a hand on the device that can prevCorrect: device at chest height, connector taut, hands on the structure. Incorrect: low device, slack above itApproaching an Obstacle with a Rope Grab: HoCorrect: device oriented upward toward the anchor, connected only to the sternal or dorsal fall arrest attachment of an EN 361 harness.Correct: device oriented upward toward the anchor, connected only to the sternal or dorsal fall arrest attachmFunction Testing a Rope Grab Every Time It'sComparison showing a correctly oriented rope grab locking on the anchor line versus the same device fitted upside down, where it slides without engagiComparison showing a correctly oriented rope grab locking on the anchor line versus the same device fitted upsFunction Testing a Rope Grab Every Time It'sElevation diagram of required fall clearance below a worker on a guided type fall arrester, showing the stacked components: device travel before lock,Elevation diagram of required fall clearance below a worker on a guided type fall arrester, showing the stackeFunction Testing a Rope Grab Every Time It'sThe load travels on its own independently anchored line — never on the working line or the safety line of a suspended worker.The load travels on its own independently anchored line — never on the working line or the safety line of a suUsing PPE for Material Handling: Ground-LeveGear loops are for carrying light equipment only; heavy loads clipped to the suspension attachment can push the harness and descender past their maximGear loops are for carrying light equipment only; heavy loads clipped to the suspension attachment can push thUsing PPE for Material Handling: Ground-LeveThe anchor at a redirect or pulley can see a resultant force greater than the load weight; pulley working load limit and rope diameter must be checkedThe anchor at a redirect or pulley can see a resultant force greater than the load weight; pulley working loadUsing PPE for Material Handling: Ground-LeveSide-view diagram comparing a plumb anchor line (dashed) with the same line bowed downwind (solid), showing the user displaced sideways from directly Side-view diagram comparing a plumb anchor line (dashed) with the same line bowed downwind (solid), showing thRope Grab Behaviour in High Winds: What ChanStacked clearance diagram showing the components of required fall clearance below the user - free fall, deceleration distance, harness extension and rStacked clearance diagram showing the components of required fall clearance below the user – free fall, deceleRope Grab Behaviour in High Winds: What ChanTake the anemometer reading at the work position: ground-level and forecast figures understate wind at height and around corners.Take the anemometer reading at the work position: ground-level and forecast figures understate wind at height Rope Grab Behaviour in High Winds: What ChanTwo simultaneous fall arrests load the anchor and its structural fixing together — EN 795:2012 testing assumes a single user unless CEN/TS 16415 multiTwo simultaneous fall arrests load the anchor and its structural fixing together — EN 795:2012 testing assumesAnchoring Two People to One Point: When a ShLeft, incorrect: two connectors stacked in one eye, loaded across the minor axis and against the gate. Right, correct: one connector per rated hole onLeft, incorrect: two connectors stacked in one eye, loaded across the minor axis and against the gate. Right, Anchoring Two People to One Point: When a ShElevation diagram of a horizontal flexible anchor line showing deeper cable sag and greater required fall clearance with two users on one span compareElevation diagram of a horizontal flexible anchor line showing deeper cable sag and greater required fall cleaAnchoring Two People to One Point: When a ShTwo users on one point work on converging radii — their swing arcs can intersect, so one arrest can drag or strike the second person.Two users on one point work on converging radii — their swing arcs can intersect, so one arrest can drag or stAnchoring Two People to One Point: When a ShRescue adds a further load to an anchor that is already holding a suspended person — verify or designate a separate rescue anchor before work starts.Rescue adds a further load to an anchor that is already holding a suspended person — verify or designate a sepAnchoring Two People to One Point: When a ShA Y-lanyard is not a shape: the certified version (right) has one EN 355 energy absorber shared by both tails, which a knot cannot reproduce.A Y-lanyard is not a shape: the certified version (right) has one EN 355 energy absorber shared by both tails,Y-Lanyard from a Knotted Sling: Why the ImprFailure starts at the bend: knots concentrate load on the outer fibres and reduce strength by an amount you cannot determine on site, while webbing knFailure starts at the bend: knots concentrate load on the outer fibres and reduce strength by an amount you caY-Lanyard from a Knotted Sling: Why the ImprThe dash-dot line is the 6 kN arrest force limit set by EN 355; a static sling transmits the tall spike, an energy absorber converts it into the low pThe dash-dot line is the 6 kN arrest force limit set by EN 355; a static sling transmits the tall spike, an enY-Lanyard from a Knotted Sling: Why the ImprCorrect: spare tail parked in the harness keeper. Incorrect: spare tail clipped to the fall arrest attachment, where it can load the absorber from botCorrect: spare tail parked in the harness keeper. Incorrect: spare tail clipped to the fall arrest attachment,Y-Lanyard from a Knotted Sling: Why the ImprVertical fall clearance stack diagram beneath an anchor point: dimension bars from top to bottom represent lanyard length up to 2 m, energy absorber dVertical fall clearance stack diagram beneath an anchor point: dimension bars from top to bottom represent lanY-Lanyard from a Knotted Sling: Why the ImprIncorrect: a standard EN 354 lanyard wrapped and clipped to its own webbing loads the connector across the gate, where its rated strength does not appIncorrect: a standard EN 354 lanyard wrapped and clipped to its own webbing loads the connector across the gatUsing a Lanyard as a Temporary Anchor: When Correct: an EN 795 Type B anchor sling choked around the beam gives a rated metal attachment point, with the connector loaded along its spine.Correct: an EN 795 Type B anchor sling choked around the beam gives a rated metal attachment point, with the cUsing a Lanyard as a Temporary Anchor: When Connector ratings under EN 362 apply to the major axis with the gate closed and locked; sideways and gate-open loading is far weaker.Connector ratings under EN 362 apply to the major axis with the gate closed and locked; sideways and gate-openUsing a Lanyard as a Temporary Anchor: When Anchor height decides the fall factor: a foot-level attachment with a 2 m lanyard creates a factor 2 fall that not every EN 355 absorber is rated to aAnchor height decides the fall factor: a foot-level attachment with a 2 m lanyard creates a factor 2 fall thatUsing a Lanyard as a Temporary Anchor: When If the line can contact an edge in a fall, use equipment approved for that edge radius, protect the edge, or move the anchor so contact is impossible.If the line can contact an edge in a fall, use equipment approved for that edge radius, protect the edge, or mUsing a Lanyard as a Temporary Anchor: When Configuration A: descender at the anchor, load on the rope, handle actuated by a cord from a ground operator — note the deviation connector that keepsConfiguration A: descender at the anchor, load on the rope, handle actuated by a cord from a ground operator —Remote Control of a Descender Handle with a Incorrect: a slack cord loop caught on structure holds the handle open and the load runs. Correct: short, tensioned, bagged cord routed clear of boltsIncorrect: a slack cord loop caught on structure holds the handle open and the load runs. Correct: short, tensRemote Control of a Descender Handle with a Correct: belay line on an anchor independent of the main line, brake strand controlled by hand, slack kept to a small visible curve.Correct: belay line on an anchor independent of the main line, brake strand controlled by hand, slack kept to Belaying with a Winch-Descender: Rigging, SlLeft, correct: load strand enters on the load side and engages the cam. Right, incorrect: reversed threading, detectable only by a loaded function tesLeft, correct: load strand enters on the load side and engages the cam. Right, incorrect: reversed threading, Belaying with a Winch-Descender: Rigging, SlTop, correct: belay line taken in with the raise. Bottom, incorrect: a hanging loop of slack shock-loads a low-stretch EN 1891 Type A rope.Top, correct: belay line taken in with the raise. Bottom, incorrect: a hanging loop of slack shock-loads a lowBelaying with a Winch-Descender: Rigging, SlHold, assess, then lower: the brake hand stays on the free strand throughout, including while the handle is opened.Hold, assess, then lower: the brake hand stays on the free strand throughout, including while the handle is opBelaying with a Winch-Descender: Rigging, SlSimple 3:1 (Z-rig): three strands act on the travelling side, so TMA is 3:1 — the anchor pulley itself adds no advantage.Simple 3:1 (Z-rig): three strands act on the travelling side, so TMA is 3:1 — the anchor pulley itself adds noHow to Calculate Mechanical Advantage: StranCompound 2:1 on 3:1 = 6:1; arrow thickness shows tension multiplying stage by stage, verified with the T-method.Compound 2:1 on 3:1 = 6:1; arrow thickness shows tension multiplying stage by stage, verified with the T-methoHow to Calculate Mechanical Advantage: StranLeft: rope on a bearing pulley, typically around 95% efficient. Right: rope over a carabiner, typically 50–60% — a rigged 3:1 then delivers roughly 1.Left: rope on a bearing pulley, typically around 95% efficient. Right: rope over a carabiner, typically 50–60%How to Calculate Mechanical Advantage: StranThe anchor sees the resultant of every strand on it — narrow angles approach the sum of the tensions, and the holding phase loads the anchor more thanThe anchor sees the resultant of every strand on it — narrow angles approach the sum of the tensions, and the How to Calculate Mechanical Advantage: StranLever MA = effort arm ÷ load arm; a 1.05 m effort arm over a 0.15 m load arm gives 7:1, and the fulcrum carries effort plus load.Lever MA = effort arm ÷ load arm; a 1.05 m effort arm over a 0.15 m load arm gives 7:1, and the fulcrum carrieHow to Calculate Mechanical Advantage: StranThe four parts that make an anchor releasable: verified structural point, rated anchor connection, correctly oriented descender, and a managed tail loThe four parts that make an anchor releasable: verified structural point, rated anchor connection, correctly oRigging a Releasable Anchor with a DescenderCorrect: rope routed per the device pictogram so the cam engages under load. Incorrect: load and free sides reversed — the device may hold a hand-loadCorrect: rope routed per the device pictogram so the cam engages under load. Incorrect: load and free sides reRigging a Releasable Anchor with a DescenderElevation diagram showing that the distance a load can be lowered from a releasable anchor equals the usable rope tail on the free side of the descendElevation diagram showing that the distance a load can be lowered from a releasable anchor equals the usable rRigging a Releasable Anchor with a DescenderAdded friction on the free side gives control with heavier and rescue loads — only in configurations the manufacturer's instructions permit.Added friction on the free side gives control with heavier and rescue loads — only in configurations the manufRigging a Releasable Anchor with a DescenderCorrect: locking connector loaded along the major axis, gate closed and clear of the structure. Incorrect: cross-loaded with the gate bearing on steelCorrect: locking connector loaded along the major axis, gate closed and clear of the structure. Incorrect: croRigging a Releasable Anchor with a DescenderThe two-rope principle of EN ISO 22846-2 still applies: independent anchors, and a backup line kept clear of the release path.The two-rope principle of EN ISO 22846-2 still applies: independent anchors, and a backup line kept clear of tRigging a Releasable Anchor with a DescenderFixed edge protection prevents abrasion on descent and stops the unloaded rope binding sideways during retrieval.Fixed edge protection prevents abrasion on descent and stops the unloaded rope binding sideways during retrievRetrievable Rope Rigging: How to Set Up a PuRetrieve from outside the fall line: the rope, its ends and all anchor hardware land under the anchor at speed.Retrieve from outside the fall line: the rope, its ends and all anchor hardware land under the anchor at speedRetrievable Rope Rigging: How to Set Up a PuLess sag means more tension: at 2% sag each anchor sees roughly 12.5 times the suspended load, at 10% sag roughly 2.5 times.Less sag means more tension: at 2% sag each anchor sees roughly 12.5 times the suspended load, at 10% sag rougTyrolean Traverse Technique: Tension, AnchorBoth ends of a traverse carry the full rope tension: two independent anchor points, a narrow sling angle, an inline load cell and a tensioning system Both ends of a traverse carry the full rope tension: two independent anchor points, a narrow sling angle, an iTyrolean Traverse Technique: Tension, AnchorTwo lines, two anchors: the working attachment is short and ventral into the trolley, and the backup rides an independently anchored safety line.Two lines, two anchors: the working attachment is short and ventral into the trolley, and the backup rides an Tyrolean Traverse Technique: Tension, AnchorA person stalled at mid-span cannot usually self-rescue - the retrieval method, the release of tension and the two-person anchor rating are decided beA person stalled at mid-span cannot usually self-rescue – the retrieval method, the release of tension and theTyrolean Traverse Technique: Tension, AnchorPre-use checks target the specific defects a traverse produces: glazing and flat spots where rope crossed edges, sheave grooving from high tension, anPre-use checks target the specific defects a traverse produces: glazing and flat spots where rope crossed edgeTyrolean Traverse Technique: Tension, AnchorLine tension is set by geometry: T = W / (2 sin of the rope angle from horizontal, so a 1 kN load at 5% sag puts about 5 kN in the line.Line tension is set by geometry: T = W / (2 sin of the rope angle from horizontal, so a 1 kN load at 5% sag puTyrolean Tensioning: Managing Sag, Line TensIncorrect (left): a visually flat line multiplies the load many times over. Correct (right): around 10% sag holds line tension near 2.5 times the loadIncorrect (left): a visually flat line multiplies the load many times over. Correct (right): around 10% sag hoTyrolean Tensioning: Managing Sag, Line TensA tensionless wrap avoids the strength loss of a knot; the back-up is anchored to a separate structural member, not to the same point.A tensionless wrap avoids the strength loss of a knot; the back-up is anchored to a separate structural memberTyrolean Tensioning: Managing Sag, Line TensA low-ratio 3:1 haul plus an inline load cell keeps tension both limited and measurable; progress capture holds the line without relying on grip.A low-ratio 3:1 haul plus an inline load cell keeps tension both limited and measurable; progress capture holdTyrolean Tensioning: Managing Sag, Line TensCorrect: working line and separately anchored safety line, both connections locked and loaded along the major axis, with a tag line for control from tCorrect: working line and separately anchored safety line, both connections locked and loaded along the major Tyrolean Tensioning: Managing Sag, Line TensCorrect dual-tension layout: independent anchors, one operator per device, and separate edge protection for each rope .Correct dual-tension layout: independent anchors, one operator per device, and separate edge protection for eaLimiting Rope Stretch with Two Descenders: LIncorrect (left): shared anchor and shared edge protection create a single failure point. Correct (right): fully independent rope paths.Incorrect (left): shared anchor and shared edge protection create a single failure point. Correct (right): fulLimiting Rope Stretch with Two Descenders: LWith both lines tensioned, a failure produces a short stretch-limited settle rather than a fall arrested by a slack line.With both lines tensioned, a failure produces a short stretch-limited settle rather than a fall arrested by a Limiting Rope Stretch with Two Descenders: LA visible bow in one rope means that line is unloaded and the other is carrying the full load — the edge attendant's key check.A visible bow in one rope means that line is unloaded and the other is carrying the full load — the edge attenLimiting Rope Stretch with Two Descenders: LRe-belay (left): the rope terminates at the intermediate anchor and a separate lower section hangs from it. Deviation (right): one continuous rope is Re-belay (left): the rope terminates at the intermediate anchor and a separate lower section hangs from it. DeRe-Belay Ascent Technique: Passing an IntermStep 1 and 2: stop roughly a hand's width below the anchor knot, then clip the short lanyard into the anchor point itself, not into the rope loop.Step 1 and 2: stop roughly a hand's width below the anchor knot, then clip the short lanyard into the anchor pRe-Belay Ascent Technique: Passing an IntermMid-transfer: the handled ascender is established on the upper rope before the chest ascender is removed from the lower rope, so two attachments are aMid-transfer: the handled ascender is established on the upper rope before the chest ascender is removed from Re-Belay Ascent Technique: Passing an IntermCorrect (left): stay only as high above the anchor as the transfer requires. Incorrect (right): excess height and lanyard slack create a severe short-Correct (left): stay only as high above the anchor as the transfer requires. Incorrect (right): excess height Re-Belay Ascent Technique: Passing an IntermWorking line and safety line are re-belayed on separate anchors and transferred one at a time; the back-up device is reset high to remove slack.Working line and safety line are re-belayed on separate anchors and transferred one at a time; the back-up devRe-Belay Ascent Technique: Passing an IntermIncorrect: connector prised over a flange edge. Correct: rated anchor sling around the member, connector hanging free and in line with the load.Incorrect: connector prised over a flange edge. Correct: rated anchor sling around the member, connector hangiExamples of Dangerous Connector Loading: HowIncorrect (left): one clamp, one rope, one anchor - no second load path. Correct (right): working line with ascender plus separately anchored safety lIncorrect (left): one clamp, one rope, one anchor – no second load path. Correct (right): working line with asUsing a Single Rope Clamp: Why Not?A toothed cam grips under progressive load but acts as a cutting edge under shock load - the reason EN 12841 type B ascenders are not qualified as falA toothed cam grips under progressive load but acts as a cutting edge under shock load – the reason EN 12841 tUsing a Single Rope Clamp: Why Not?Slack defeats the second line: keep the backup device high and short so any fall on the safety line stays short and near-static.Slack defeats the second line: keep the backup device high and short so any fall on the safety line stays shorUsing a Single Rope Clamp: Why Not?Left: load and lateral movement concentrated on a few sheath fibres at a small-radius corner. Right: an edge roller fixed to the structure gives a larLeft: load and lateral movement concentrated on a few sheath fibres at a small-radius corner. Right: an edge rWorking Near Sharp Edges and Hot Work: SharpIncorrect: the protector travelled with the rope and the edge is exposed. Correct: the protector spans the whole travel zone and is tied back to the sIncorrect: the protector travelled with the rope and the edge is exposed. Correct: the protector spans the whoWorking Near Sharp Edges and Hot Work: SharpThe first control is removal of contact: a deviation or higher, set-back anchor takes the line off the edge entirely and changes the resultant load onThe first control is removal of contact: a deviation or higher, set-back anchor takes the line off the edge enWorking Near Sharp Edges and Hot Work: SharpPositive separation: work below and to the side of the lines, shield the trajectory with a blanket, and account for wind before the torch is lit.Positive separation: work below and to the side of the lines, shield the trajectory with a blanket, and accounWorking Near Sharp Edges and Hot Work: SharpWorking line and backup line on separate anchors and separate edge protection: one edge or one spark shower cannot reach both.Working line and backup line on separate anchors and separate edge protection: one edge or one spark shower caWorking Near Sharp Edges and Hot Work: SharpInspect by touch as well as by eye: spatter damage feels hard and glassy, edge damage feels flat or soft. Either finding means immediate quarantine anInspect by touch as well as by eye: spatter damage feels hard and glassy, edge damage feels flat or soft. EithWorking Near Sharp Edges and Hot Work: SharpLine route defines the working zone: the user's reachable area is set by lanyard length and cable position, not by how far they can stretch.Line route defines the working zone: the user's reachable area is set by lanyard length and cable position, noHorizontal Life-Line Installation: Planning,Swing fall is controlled by layout: the further a user works off the line, the longer the pendulum and the greater the chance of striking structure.Swing fall is controlled by layout: the further a user works off the line, the longer the pendulum and the greHorizontal Life-Line Installation: Planning,Correct: end post fixed into verified structural steel. Incorrect: gutters, edge trim and handrails are not anchorage structures.Correct: end post fixed into verified structural steel. Incorrect: gutters, edge trim and handrails are not anHorizontal Life-Line Installation: Planning,Force diagram showing a mass at mid-span of a near-horizontal life-line, with tension arrows along the cable and resultant reaction arrows into the stForce diagram showing a mass at mid-span of a near-horizontal life-line, with tension arrows along the cable aHorizontal Life-Line Installation: Planning,Pre-tension is set to the manufacturer's specified value using the supplied tension indicator, then re-checked once the line has settled.Pre-tension is set to the manufacturer's specified value using the supplied tension indicator, then re-checkedHorizontal Life-Line Installation: Planning,Cable deflection is added on top of the arrest distance figure quoted for a rigid anchor point — omitting it is the most common clearance error.Cable deflection is added on top of the arrest distance figure quoted for a rigid anchor point — omitting it iHorizontal Life-Line Installation: Planning,Correct arrangement: two separately anchored lines - working line to the belt side points, safety line to the harness fall arrest point.Correct arrangement: two separately anchored lines – working line to the belt side points, safety line to the Work Positioning with a Rope Grab: StandardsKeep the grab at or above the attachment point and the lanyard taut - work positioning equipment has no energy absorber.Keep the grab at or above the attachment point and the lanyard taut – work positioning equipment has no energyWork Positioning with a Rope Grab: StandardsRight: added slings lengthen the connection, raising both fall distance and the shock load a toothed cam puts into the rope.Right: added slings lengthen the connection, raising both fall distance and the shock load a toothed cam puts Work Positioning with a Rope Grab: StandardsStarting configuration for a down-climb: working line with chest and handled ascenders, safety line with the backup device kept at chest height.Starting configuration for a down-climb: working line with chest and handled ascenders, safety line with the bAscender Down-Climb: Losing a Short DistanceCorrect: the safety-line device is advanced with every cycle and the connection kept short. Slack above the device lengthens the fall and raises arresCorrect: the safety-line device is advanced with every cycle and the connection kept short. Slack above the deLong or Short Rope Ascent: Choosing the TechTwin-leg lanyard anatomy: one energy absorber, two arms — only one arm is meant to be loaded at a time.Twin-leg lanyard anatomy: one energy absorber, two arms — only one arm is meant to be loaded at a time.Lanyard Arm Parking: How to Stow the Unused Incorrect: hooking the spare arm to the absorber short-circuits it, so arrest force is no longer limited to 6 kN.Incorrect: hooking the spare arm to the absorber short-circuits it, so arrest force is no longer limited to 6 Lanyard Arm Parking: How to Stow the Unused Correct: parked high on the dedicated keeper, gate closed, webbing routed clear of the energy absorber.Correct: parked high on the dedicated keeper, gate closed, webbing routed clear of the energy absorber.Lanyard Arm Parking: How to Stow the Unused Incorrect: a dangling arm snags on structure, swings at knee height and trails across the walking surface.Incorrect: a dangling arm snags on structure, swings at knee height and trails across the walking surface.Lanyard Arm Parking: How to Stow the Unused Transfer sequence: connect the parked arm to the next anchor, release the first arm, then park it immediately.Transfer sequence: connect the parked arm to the next anchor, release the first arm, then park it immediately.Lanyard Arm Parking: How to Stow the Unused Each element of the clearance stack is measured below the anchor; the dashed arc shows the swing that must also be checked.Each element of the clearance stack is measured below the anchor; the dashed arc shows the swing that must alsOblique Anchors and Fall Distance: How LaterLeft: anchor overhead, minimal pendulum. Right: the same equipment with a lateral offset swings the faller into the structure below.Left: anchor overhead, minimal pendulum. Right: the same equipment with a lateral offset swings the faller intOblique Anchors and Fall Distance: How LaterAn obliquely loaded line concentrates contact on a short length of the arris and adds friction that can prevent full absorber deployment.An obliquely loaded line concentrates contact on a short length of the arris and adds friction that can prevenOblique Anchors and Fall Distance: How LaterDeflection of an EN 795 Type C line adds to the required clearance, and the end anchors see forces well above the arrest force at the harness.Deflection of an EN 795 Type C line adds to the required clearance, and the end anchors see forces well above Oblique Anchors and Fall Distance: How LaterDiagram showing the four components of energy absorber clearance measured down from the anchor: lanyard 2.0 m, absorber deployment 1.75 m, dorsal attaDiagram showing the four components of energy absorber clearance measured down from the anchor: lanyard 2.0 m,Energy Absorber Clearance: How to Calculate Raising the anchor converts required clearance into height above the platform, cutting the space needed underneath.Raising the anchor converts required clearance into height above the platform, cutting the space needed undernEnergy Absorber Clearance: How to Calculate Y lanyards come in two constructions; the number and position of the absorber packs changes how clearance is calculated.Y lanyards come in two constructions; the number and position of the absorber packs changes how clearance is cEnergy Absorber Clearance: How to Calculate Correct: free leg parked on the dedicated parking element. Incorrect: free leg clipped to the dorsal D-ring, which adds fall distance and loads the haCorrect: free leg parked on the dedicated parking element. Incorrect: free leg clipped to the dorsal D-ring, wEnergy Absorber Clearance: How to Calculate The clearance decision starts on the label: assembly length, permitted mass range and declared deployment.The clearance decision starts on the label: assembly length, permitted mass range and declared deployment.Energy Absorber Clearance: How to Calculate Any absorber showing full or partial deployment is withdrawn from service; its remaining deployment length is unknown.Any absorber showing full or partial deployment is withdrawn from service; its remaining deployment length is Energy Absorber Clearance: How to Calculate Same lanyard, three anchor heights: every metre the anchor drops adds a metre of free fall and a metre of required clearance.Same lanyard, three anchor heights: every metre the anchor drops adds a metre of free fall and a metre of requUnderstanding and Optimising Fall ClearanceComparison diagram of clearance required for a 2 m energy-absorbing lanyard versus an overhead retractable type fall arrester to EN 360.Comparison diagram of clearance required for a 2 m energy-absorbing lanyard versus an overhead retractable typUnderstanding and Optimising Fall ClearanceWorking off to one side lowers the bottom of the fall and puts structure in the swing path.Working off to one side lowers the bottom of the fall and puts structure in the swing path.Understanding and Optimising Fall ClearanceDiagram of a fallen worker mid-span on an EN 795 Type C horizontal flexible anchor line, showing line sag adding to total fall distance and referencinDiagram of a fallen worker mid-span on an EN 795 Type C horizontal flexible anchor line, showing line sag addiUnderstanding and Optimising Fall ClearanceLabelled energy-absorbing fall-arrest lanyard showing the anchor hook, webbing leg, energy absorber pack, product label and harness-end screwgate karaLabelled energy-absorbing fall-arrest lanyard showing the anchor hook, webbing leg, energy absorber pack, prodHow and Why to Use a Fall-Arrest LanyardRear-view comparison of a fall-arrest lanyard correctly connected to the dorsal D-ring between the shoulder blades, against the same lanyard incorrectRear-view comparison of a fall-arrest lanyard correctly connected to the dorsal D-ring between the shoulder blHow and Why to Use a Fall-Arrest LanyardThree-panel comparison of anchor position: an overhead anchor giving the shortest fall, a foot-level anchor creating fall factor 2, and an offset anchThree-panel comparison of anchor position: an overhead anchor giving the shortest fall, a foot-level anchor crHow and Why to Use a Fall-Arrest LanyardFall clearance diagram below an overhead beam anchor, stacking lanyard length, energy absorber deployment, harness stretch, D-ring to feet distance anFall clearance diagram below an overhead beam anchor, stacking lanyard length, energy absorber deployment, harHow and Why to Use a Fall-Arrest LanyardComparison of a twin-leg fall-arrest lanyard with the unused leg correctly parked on the harness keeper, against the unused leg incorrectly clipped baComparison of a twin-leg fall-arrest lanyard with the unused leg correctly parked on the harness keeper, againHow and Why to Use a Fall-Arrest LanyardThree fall-arrest lanyard reject criteria: a deployed energy absorber with exposed tear-webbing, cut or abraded webbing, and a worn or distorted anchoThree fall-arrest lanyard reject criteria: a deployed energy absorber with exposed tear-webbing, cut or abradeHow and Why to Use a Fall-Arrest LanyardDiagram of harness attachment points showing ventral, sternal, dorsal and lateral belt points with the rope function each one is intended for, and croDiagram of harness attachment points showing ventral, sternal, dorsal and lateral belt points with the rope fuAttaching a Rope to the Harness: Attachment Three-panel comparison of a descender connector at the harness ventral point: correct major-axis loading, cross-loading against the gate, and too manyThree-panel comparison of a descender connector at the harness ventral point: correct major-axis loading, crosAttaching a Rope to the Harness: Attachment Comparison diagram of a figure-eight on a bight tie-in to a harness: correctly dressed with adequate tail and a short loop, versus crossed strands, shComparison diagram of a figure-eight on a bight tie-in to a harness: correctly dressed with adequate tail and Attaching a Rope to the Harness: Attachment Diagram of a two-rope system showing a descender on the working line and a backup device on the safety line, each with its own connector and attachmenDiagram of a two-rope system showing a descender on the working line and a backup device on the safety line, eAttaching a Rope to the Harness: Attachment Diagram comparing three ways of attaching a rope to the anchor: knot direct onto the anchor point, figure-eight on a bight into a locking connector, aDiagram comparing three ways of attaching a rope to the anchor: knot direct onto the anchor point, figure-eighAttaching a Rope to the Anchor: Knots, ConneComparison diagram showing an incorrect long slack loop between the beam and the knot versus a correct termination with the knot tight against the ancComparison diagram showing an incorrect long slack loop between the beam and the knot versus a correct terminaAttaching a Rope to the Anchor: Knots, ConneFour-panel diagram of connector loading at an anchor: correct major-axis loading versus cross-loading, three-way loading and the gate bearing against Four-panel diagram of connector loading at an anchor: correct major-axis loading versus cross-loading, three-wAttaching a Rope to the Anchor: Knots, ConneDiagram showing working line and safety line terminated on separate anchor points with separate connectors, and an inset showing the incorrect shared Diagram showing working line and safety line terminated on separate anchor points with separate connectors, anAttaching a Rope to the Anchor: Knots, ConneDiagram of a working line and safety line rigged to two independent rooftop anchors with locking connectors and separated rope pathsDiagram of a working line and safety line rigged to two independent rooftop anchors with locking connectors anInstalling Ropes for a Descent: Anchors, RopComparison diagram showing an uncontrolled thrown coil versus controlled rope deployment from a rope bag with a controlled drop zoneComparison diagram showing an uncontrolled thrown coil versus controlled rope deployment from a rope bag with Installing Ropes for a Descent: Anchors, RopDiagram comparing bare rope on a sharp edge, a secured rope protector, and raising the rope clear of the edge with a high directionalDiagram comparing bare rope on a sharp edge, a secured rope protector, and raising the rope clear of the edge Installing Ropes for a Descent: Anchors, RopDiagram of rope ends at the landing showing figure-eight stopper knots, surplus rope bagged, and a crossed-out short rope with no stopper knotDiagram of rope ends at the landing showing figure-eight stopper knots, surplus rope bagged, and a crossed-outInstalling Ropes for a Descent: Anchors, RopLine diagram of a tripod erected over an open manhole showing head anchor eyes, pinned telescopic legs, taut spread limiter and a plumb line falling tLine diagram of a tripod erected over an open manhole showing head anchor eyes, pinned telescopic legs, taut sSetting Up a Tripod Over a Manhole: Footing,Diagram of tripod head rigging showing a rescue lifting device on its leg bracket, cable seated in the head sheave, and a separate uncrossed retrievalDiagram of tripod head rigging showing a rescue lifting device on its leg bracket, cable seated in the head shSetting Up a Tripod Over a Manhole: Footing,Diagram comparing working temperature ranges and melting or charring thresholds for polyamide, polyester, HMPE and aramid rope access textilesDiagram comparing working temperature ranges and melting or charring thresholds for polyamide, polyester, HMPETemperature and Chemical Limits for TextilesFour-panel diagram of heat sources that damage rope access textiles: rope-on-rope friction, descender heating, hot pipework contact and welding or griFour-panel diagram of heat sources that damage rope access textiles: rope-on-rope friction, descender heating,Temperature and Chemical Limits for TextilesChemical compatibility matrix showing how acids, alkalis, bleach, solvents and salt water affect polyamide, polyester, HMPE and aramid textilesChemical compatibility matrix showing how acids, alkalis, bleach, solvents and salt water affect polyamide, poTemperature and Chemical Limits for TextilesInspection diagram showing signs of heat and chemical damage on kernmantle rope and webbing, including glazing, stiff sections, spark holes and powderInspection diagram showing signs of heat and chemical damage on kernmantle rope and webbing, including glazingTemperature and Chemical Limits for TextilesDiagram of the anchor load path from structure through fixing, anchor device, connector and sling to the load, showing that system strength equals theDiagram of the anchor load path from structure through fixing, anchor device, connector and sling to the load,Anchor Strength Requirements Explained: TestThree-panel diagram comparing axial, shear and levered loading on an anchor eyebolt, plus a plan view showing swing changing the direction of pull.Three-panel diagram comparing axial, shear and levered loading on an anchor eyebolt, plus a plan view showing Anchor Strength Requirements Explained: TestDiagram showing leg tension in a two-point anchor at 30, 60, 90 and 120 degree internal angles, and the difference between load-sharing and load-distrDiagram showing leg tension in a two-point anchor at 30, 60, 90 and 120 degree internal angles, and the differAnchor Strength Requirements Explained: TestDiagram of three load-multiplying anchor cases: rope deviation versus 180-degree redirect, a hauling system anchor, and end-anchor forces on a saggingDiagram of three load-multiplying anchor cases: rope deviation versus 180-degree redirect, a hauling system anAnchor Strength Requirements Explained: TestDiagram showing the hierarchy of control for work at height: avoid, collective protection, restraint, work positioning and rope access, then fall arreDiagram showing the hierarchy of control for work at height: avoid, collective protection, restraint, work posGeneral Principles for Work at Height: The OFour-panel diagram comparing anchor positions overhead, at harness height and at foot level, plus a panel showing swing fall from a laterally offset aFour-panel diagram comparing anchor positions overhead, at harness height and at foot level, plus a panel showGeneral Principles for Work at Height: The OFall clearance diagram showing the stacked components of required clearance: free fall, absorber deployment, harness and wearer displacement, and safeFall clearance diagram showing the stacked components of required clearance: free fall, absorber deployment, hGeneral Principles for Work at Height: The ODiagram of a two-rope rope access system showing independent anchors, a descender on the working line, a backup device on the tended safety line and eDiagram of a two-rope rope access system showing independent anchors, a descender on the working line, a backuGeneral Principles for Work at Height: The ODiagram comparing a packed energy absorbing lanyard with the same lanyard after deployment, showing deployment increment versus total deployed lengthDiagram comparing a packed energy absorbing lanyard with the same lanyard after deployment, showing deploymentEnergy Absorber Deployment Lengths: What TheVertical clearance stack diagram showing free fall, absorber deployment, harness shift, body length and safety margin measured down from the anchorVertical clearance stack diagram showing free fall, absorber deployment, harness shift, body length and safetyEnergy Absorber Deployment Lengths: What TheThree-panel diagram comparing anchor at foot level, shoulder level and overhead, showing reduced free fall, reduced deployment and reduced clearance rThree-panel diagram comparing anchor at foot level, shoulder level and overhead, showing reduced free fall, reEnergy Absorber Deployment Lengths: What TheDiagram showing correct parking of an unused twin-leg lanyard arm and three incorrect configurations that add free fall or use the wrong attachment poDiagram showing correct parking of an unused twin-leg lanyard arm and three incorrect configurations that add Energy Absorber Deployment Lengths: What TheDiagram showing the dorsal harness attachment point as a rated load path through D-ring, stitching, shoulder webbing and bucklesDiagram showing the dorsal harness attachment point as a rated load path through D-ring, stitching, shoulder wHarness Attachment Point Strength Ratings: WClose-up diagram of harness markings showing an A fall-arrest point, paired A/2 loops used together, and a harness label with maximum rated loadClose-up diagram of harness markings showing an A fall-arrest point, paired A/2 loops used together, and a harHarness Attachment Point Strength Ratings: WDiagram comparing tested loading directions for dorsal, sternal, ventral and paired lateral harness attachment pointsDiagram comparing tested loading directions for dorsal, sternal, ventral and paired lateral harness attachmentHarness Attachment Point Strength Ratings: WFront and rear harness diagram distinguishing rated attachment points from unrated gear loops, tool holders and haul loopsFront and rear harness diagram distinguishing rated attachment points from unrated gear loops, tool holders anHarness Attachment Point Strength Ratings: WDiagram contrasting the EN 397 releasing chin strap anchorage with the EN 12492 high-strength retention system and roll-off test.Diagram contrasting the EN 397 releasing chin strap anchorage with the EN 12492 high-strength retention systemHelmet Standards: EN 397 and EN 12492Diagram of helmet accessory compatibility: slot-mounted earmuffs and visor, headlamp clips, cradle adjustment and respirator head harness.Diagram of helmet accessory compatibility: slot-mounted earmuffs and visor, headlamp clips, cradle adjustment Helmet Standards: EN 397 and EN 12492Diagram of a correctly assembled rope grab system on a vertical lifeline with harness attachment, connector, absorber and stopper knot, plus an incorrDiagram of a correctly assembled rope grab system on a vertical lifeline with harness attachment, connector, aRope Grab Specifications and Rope CompatibilDiagram showing how descent height, mass and number of descents accumulate energy that becomes heat in the descender body and rope sheath.Diagram showing how descent height, mass and number of descents accumulate energy that becomes heat in the desDescender Specifications and Working Loads: Two-panel diagram comparing loads on descender, backup device and anchor for a single user versus a rescuer with a casualty.Two-panel diagram comparing loads on descender, backup device and anchor for a single user versus a rescuer wiDescender Specifications and Working Loads: Diagram showing the webbing flex test opening the weave to reveal cut yarns, plus numbered harness inspection zones and a partially deployed energy abDiagram showing the webbing flex test opening the weave to reveal cut yarns, plus numbered harness inspection Service Life and Retirement Criteria for TexCross-section diagram comparing correct, oversize and undersize rope diameter seated in a pulley sheave groove, with sheave-to-side-plate clearance maCross-section diagram comparing correct, oversize and undersize rope diameter seated in a pulley sheave grooveUsing Pulleys With Small-Diameter Rope or CoComparison diagram of a wide-body rigging pulley, a compact micro pulley and a prusik-minding pulley, showing differences in sheave-to-side-plate cleaComparison diagram of a wide-body rigging pulley, a compact micro pulley and a prusik-minding pulley, showing Using Pulleys With Small-Diameter Rope or CoThree free-body diagrams comparing anchor load on a 180-degree redirect at 100%, 90% and 50% pulley efficiency, showing anchor force rising as efficieThree free-body diagrams comparing anchor load on a 180-degree redirect at 100%, 90% and 50% pulley efficiencyPulley Efficiency: What the Numbers MeanDiagram showing the stacked components of required fall clearance below an anchor: free fall, absorber deployment, harness extension, attachment heighDiagram showing the stacked components of required fall clearance below an anchor: free fall, absorber deploymChoosing an Absorber for the Clearance AvailThree-panel comparison of anchor height — overhead, at attachment level, and at foot level — and the increasing fall clearance each requires.Three-panel comparison of anchor height — overhead, at attachment level, and at foot level — and the increasinChoosing an Absorber for the Clearance AvailComparison of restraint, energy-absorbing lanyard, retractable fall arrester and guided type fall arrester and the vertical clearance each requires.Comparison of restraint, energy-absorbing lanyard, retractable fall arrester and guided type fall arrester andChoosing an Absorber for the Clearance AvailFour incorrect attempts to gain fall clearance: knotting the lanyard, two absorbers in series, reusing a deployed absorber, and consuming the safety mFour incorrect attempts to gain fall clearance: knotting the lanyard, two absorbers in series, reusing a deploChoosing an Absorber for the Clearance AvailThree-panel diagram of a rope-access pick-off showing the rescuer descending, attaching an adjustable pick-off strap to unload the casualty's lanyard,Three-panel diagram of a rope-access pick-off showing the rescuer descending, attaching an adjustable pick-offSelecting a Rescue Kit for the TaskDiagram showing how a full-brim helmet blocks upward vision in a manhole while a low-profile brimless helmet preserves view of the anchor and standby Diagram showing how a full-brim helmet blocks upward vision in a manhole while a low-profile brimless helmet pSelecting a Helmet for Confined Space Work: Inspection diagram of a safety helmet showing exterior damage checks, internal markings, harness and chinstrap, and a switchable chinstrap mode checkInspection diagram of a safety helmet showing exterior damage checks, internal markings, harness and chinstrapSelecting a Helmet for Confined Space Work: Line diagram identifying rear and lateral belt points, sternal, dorsal and ventral harness points that can be used for a restraint tetherLine diagram identifying rear and lateral belt points, sternal, dorsal and ventral harness points that can be Which Attachment Points to Use for RestraintPlan-view diagram of a flat roof showing the restraint arc from a single anchor kept short of edges, openings and roof lights, versus an over-long arcPlan-view diagram of a flat roof showing the restraint arc from a single anchor kept short of edges, openings Which Attachment Points to Use for RestraintDiagram of a full body harness front and back showing sternal and dorsal fall-arrest A points valid for a rope grab, with belt and rescue points markeDiagram of a full body harness front and back showing sternal and dorsal fall-arrest A points valid for a ropeHarness Attachment Point for a Rope Grab: StSide-by-side diagram comparing sternal and dorsal rope grab attachment, showing device visibility, rope routing and post-fall suspension postureSide-by-side diagram comparing sternal and dorsal rope grab attachment, showing device visibility, rope routinHarness Attachment Point for a Rope Grab: StDiagram showing correct short direct rope grab connection versus incorrect chained connectors and added lanyard, with increasing fall distanceDiagram showing correct short direct rope grab connection versus incorrect chained connectors and added lanyarHarness Attachment Point for a Rope Grab: StClose-up diagram of a locking connector at the sternal harness attachment showing both A/2 loops captured and major-axis loading, with cross-loading aClose-up diagram of a locking connector at the sternal harness attachment showing both A/2 loops captured and Harness Attachment Point for a Rope Grab: StDecision chart mapping five work tasks — restraint, work positioning, fall arrest, rope access and extraction — to the harness type and attachment poiDecision chart mapping five work tasks — restraint, work positioning, fall arrest, rope access and extraction Which Harness for Which Use? A Selection NotFront and rear views of a combination full body harness with every attachment point labelled by its certified function: dorsal and sternal for fall arFront and rear views of a combination full body harness with every attachment point labelled by its certified Which Harness for Which Use? A Selection NotSide view of a rope access technician on working and safety lines, showing the ventral attachment for the descender, the chest harness holding the ascSide view of a rope access technician on working and safety lines, showing the ventral attachment for the descWhich Harness for Which Use? A Selection NotComparison of confined space extraction through a manhole using shoulder extraction points with a spreader bar versus lifting from the dorsal point alComparison of confined space extraction through a manhole using shoulder extraction points with a spreader barWhich Harness for Which Use? A Selection NotDiagram comparing a locking connector correctly seated in a narrow anchor ring versus levered on a wide eye plate, obstructed on a large tube, and corDiagram comparing a locking connector correctly seated in a narrow anchor ring versus levered on a wide eye plChoosing Connectors for Anchor Rigging: ShapDiagram of anchor connector loading faults: cross-loading, three-way loading, gate pressed on structure, levering over an edge, and connector clipped Diagram of anchor connector loading faults: cross-loading, three-way loading, gate pressed on structure, leverChoosing Connectors for Anchor Rigging: ShapDiagram comparing four load paths crowded into a single anchor carabiner versus a rigging plate giving each load path its own hole.Diagram comparing four load paths crowded into a single anchor carabiner versus a rigging plate giving each loChoosing Connectors for Anchor Rigging: ShapDiagram showing one connector clipped into two anchor eyes as an incorrect shared link versus two independent connectors, one per anchor point.Diagram showing one connector clipped into two anchor eyes as an incorrect shared link versus two independent Choosing Connectors for Anchor Rigging: ShapFront and back diagram of a full body harness showing the dorsal A point, paired A/2 chest loops, and the belt and ventral points that are not fall-arFront and back diagram of a full body harness showing the dorsal A point, paired A/2 chest loops, and the beltConnecting a Fall-Arrest Lanyard to the HarnComparison diagram showing a correct single locking connector at the harness attachment versus a girth-hitched lanyard loop, chained connectors, and aComparison diagram showing a correct single locking connector at the harness attachment versus a girth-hitchedConnecting a Fall-Arrest Lanyard to the HarnDiagram of a twin-leg lanyard with both legs on one dorsal attachment and the spare leg stowed on a dedicated parking point, contrasted with parking iDiagram of a twin-leg lanyard with both legs on one dorsal attachment and the spare leg stowed on a dedicated Connecting a Fall-Arrest Lanyard to the HarnElevation diagram comparing a certified energy-absorbing lanyard assembly with one extended by extra connectors, showing the resulting loss of fall clElevation diagram comparing a certified energy-absorbing lanyard assembly with one extended by extra connectorConnecting a Fall-Arrest Lanyard to the HarnLabelled diagram of a large-opening scaffold hook and a locking karabiner showing spine, basket, nose, keeper pin, locking sleeve, gate opening and maLabelled diagram of a large-opening scaffold hook and a locking karabiner showing spine, basket, nose, keeper Lanyard-End Connector for Fall Arrest: Gate Six-frame diagram comparing roll-out of a hook on an oversized anchor with correct geometry where the anchor stays seated on the spine away from the gSix-frame diagram comparing roll-out of a hook on an oversized anchor with correct geometry where the anchor sLanyard-End Connector for Fall Arrest: Gate Six-panel diagram showing correct major-axis loading of a fall-arrest connector alongside cross-loading, gate loading, levering over a beam flange, coSix-panel diagram showing correct major-axis loading of a fall-arrest connector alongside cross-loading, gate Lanyard-End Connector for Fall Arrest: Gate Diagram of a twin-leg lanyard showing the correct manufacturer parking point for the unused hook and three incorrect stowage locations.Diagram of a twin-leg lanyard showing the correct manufacturer parking point for the unused hook and three incLanyard-End Connector for Fall Arrest: Gate Diagram of a work positioning setup showing harness-end connector on the belt lateral attachment point, the adjuster, and the lanyard-end connector clDiagram of a work positioning setup showing harness-end connector on the belt lateral attachment point, the adLanyard-End Connector for Work Positioning: Three-panel diagram comparing an undersized, correctly matched and oversized connector gate opening on a round structural member, showing how an oversThree-panel diagram comparing an undersized, correctly matched and oversized connector gate opening on a roundLanyard-End Connector for Work Positioning: Four-panel diagram showing correct major-axis loading of a work positioning lanyard connector versus gate loading, minor-axis cross-loading and leveriFour-panel diagram showing correct major-axis loading of a work positioning lanyard connector versus gate loadLanyard-End Connector for Work Positioning: Six-step pre-clip check diagram for a work positioning lanyard-end connector covering gate action, nose and hinge, body wear, seating, the anchor membSix-step pre-clip check diagram for a work positioning lanyard-end connector covering gate action, nose and hiLanyard-End Connector for Work Positioning: Diagram of two carabiners clipped directly together versus connected through a soft link, and the same connector offered to thin, thick and ventral haDiagram of two carabiners clipped directly together versus connected through a soft link, and the same connectChecking Connector Compatibility: A Field MeTwo-panel diagram showing an oval connector keeping a pulley and rope device centred, versus an offset D loading a single lanyard eye on the spineTwo-panel diagram showing an oval connector keeping a pulley and rope device centred, versus an offset D loadiConnector Shapes and Where Each BelongsDiagram showing a semi-circular maillon on a harness attachment, a captive-eye connector holding a descender in orientation, and an oversized hook rolDiagram showing a semi-circular maillon on a harness attachment, a captive-eye connector holding a descender iConnector Shapes and Where Each BelongsLine diagram comparing an energy-absorbing lanyard, a retractable fall arrester and a guided type fall arrester on a rope and rigid railLine diagram comparing an energy-absorbing lanyard, a retractable fall arrester and a guided type fall arresteWhich Type of Fall-Arrest Lanyard to Choose:Three-panel diagram showing fall factor for overhead, level and foot-level anchor positions with a full body harnessThree-panel diagram showing fall factor for overhead, level and foot-level anchor positions with a full body hWhich Type of Fall-Arrest Lanyard to Choose:Diagram of fall clearance stack-up comparing an energy-absorbing lanyard and a retractable fall arrester below an overhead anchorDiagram of fall clearance stack-up comparing an energy-absorbing lanyard and a retractable fall arrester belowWhich Type of Fall-Arrest Lanyard to Choose:Diagram showing correct and incorrect parking of the unused leg of a twin-leg energy-absorbing lanyardDiagram showing correct and incorrect parking of the unused leg of a twin-leg energy-absorbing lanyardWhich Type of Fall-Arrest Lanyard to Choose:Line diagram of a standing worker in a correctly adjusted full body harness with labels for snug leg loops, mid-chest strap and even shoulder strapsLine diagram of a standing worker in a correctly adjusted full body harness with labels for snug leg loops, miAdjusting a Full Body Harness Correctly: FitComparison diagram showing a harness chest strap worn incorrectly low on the stomach versus correctly positioned at mid-chestComparison diagram showing a harness chest strap worn incorrectly low on the stomach versus correctly positionAdjusting a Full Body Harness Correctly: FitRear view diagram of a harness dorsal attachment point centred between the shoulder blades with flat untwisted webbing, plus an inset showing an off-cRear view diagram of a harness dorsal attachment point centred between the shoulder blades with flat untwistedAdjusting a Full Body Harness Correctly: FitDiagram of a worker performing a pre-use hang check by briefly weighting the harness at low height above the floor while a colleague observesDiagram of a worker performing a pre-use hang check by briefly weighting the harness at low height above the fAdjusting a Full Body Harness Correctly: FitLine diagram of a locking connector joining a descender's attachment eye to a harness ventral attachment point, loaded along its major axis with the gLine diagram of a locking connector joining a descender's attachment eye to a harness ventral attachment pointChoosing a Connector for a Descender: LockinLine diagram of the anchor side of a descender attached with a large locking connector to an anchor sling around a steel member, and to a steel anchorLine diagram of the anchor side of a descender attached with a large locking connector to an anchor sling arouChoosing a Connector for a Descender: LockinLine diagram of a non-locking spring-gate connector being pushed open by a rope and an edge, marked as unsuitable for critical connectionsLine diagram of a non-locking spring-gate connector being pushed open by a rope and an edge, marked as unsuitaConnector Locking Systems Compared: Screw-LoDiagram comparing a connector correctly loaded along its major axis with incorrect minor-axis cross loading and gate loading against a beam edgeDiagram comparing a connector correctly loaded along its major axis with incorrect minor-axis cross loading anConnector Locking Systems Compared: Screw-Lo

Rope access 80

A suspended load with a tag line running down to a handler standing well outside the load radius, beside a second handler with the rope wrapped aroundA suspended load with a tag line running down to a handler standing well outside the load radius, beside a secTag Lines and Controlling a Swinging LoadSection showing propping to a soffit with the load path traced down through each floor to a solid bearing, beside a detail of a prop with a proper pinSection showing propping to a soffit with the load path traced down through each floor to a solid bearing, besTemporary Works: What Needs a Design and an Three construction gloves side by side with the EN 388 pictogram and its performance string shown enlarged, and each character in the string linked byThree construction gloves side by side with the EN 388 pictogram and its performance string shown enlarged, anGloves for Construction Handling: Matching ESimple line-art illustration of a ground-based rescuer ascending a rope toward an incapacitated climber positioned in a tree canopy.Simple line-art illustration of a ground-based rescuer ascending a rope toward an incapacitated climber positiRescue Planning for Aerial Tree WorkCorrect: a conscious casualty deploys the suspension relief strap and stands, unloading the leg loops while the rescue is rigged.Correct: a conscious casualty deploys the suspension relief strap and stands, unloading the leg loops while thRelease and Rescue from a Long Rope: GettingThe casualty is disconnected only once fully supported on the ground, inside a cleared and attended landing area.The casualty is disconnected only once fully supported on the ground, inside a cleared and attended landing arRelease and Rescue from a Long Rope: GettingChangeover to raise: the progress capture is added on the load side, the Z-rig is built on the same rope, and the descender stays rigged as the returnChangeover to raise: the progress capture is added on the load side, the Z-rig is built on the same rope, and Hauling: Building a Combined Lowering and RaCorrect: the descender stays captive in the loaded line. Incorrect: descender removed, load held only on a toothed cam with no controlled way to releaCorrect: the descender stays captive in the loaded line. Incorrect: descender removed, load held only on a tooHauling: Building a Combined Lowering and RaA load-releasing arrangement gives a controlled way to shift tension off the progress capture and back onto the descender before lowering resumes.A load-releasing arrangement gives a controlled way to shift tension off the progress capture and back onto thHauling: Building a Combined Lowering and RaLeft, correct: hand clear of the device, cam engaged. Right, incorrect: gripping the housing holds the cam open and defeats the backup for as long as Left, correct: hand clear of the device, cam engaged. Right, incorrect: gripping the housing holds the cam opeAccompanied Descent with a Rope Grab: RigginControl comes from the brake hand on the free strand; the handle only modulates how far the cam releases. The tail is managed into a bag before the loControl comes from the brake hand on the free strand; the handle only modulates how far the cam releases. The Haul System with a Descender: Rigging, LimitCorrect: the descender hangs free and aligns with the pull. Incorrect: an off-axis haul traps the device against the structure and can prevent the camCorrect: the descender hangs free and aligns with the pull. Incorrect: an off-axis haul traps the device againHaul System with a Descender: Rigging, LimitPre-use check: cam rotates freely and returns, teeth clean, side plate and axle sound, connector sleeve fully locked, rope free of glazing or flat spoPre-use check: cam rotates freely and returns, teeth clean, side plate and axle sound, connector sleeve fully Haul System with a Descender: Rigging, LimitAccompanied descent configuration: descender on the working line, independent backup on a second line, casualty carried short and in front so the rescAccompanied descent configuration: descender on the working line, independent backup on a second line, casualtAccompanied Descent Rescue: How the ManoeuvrCorrect: hips directly under the chest ascender and arms straight, so every push travels vertically. Incorrect: torso leaning back forces the arms to Correct: hips directly under the chest ascender and arms straight, so every push travels vertically. IncorrectGreater Efficiency on Rope Ascents: TechniquOne efficient cycle: reach high, drive with the legs, then transfer the weight onto the chest ascender before drawing the knees up again.One efficient cycle: reach high, drive with the legs, then transfer the weight onto the chest ascender before Greater Efficiency on Rope Ascents: TechniquFrog set-up (left) versus rope-walking set-up (right); in both cases the safety line, shown dashed, is independently rigged with its own backup deviceFrog set-up (left) versus rope-walking set-up (right); in both cases the safety line, shown dashed, is indepenGreater Efficiency on Rope Ascents: TechniquFour different obstacles, four different solutions — an intermediate bracket, a mid-line knot, a deviation and structural interference must each be plFour different obstacles, four different solutions — an intermediate bracket, a mid-line knot, a deviation andApproaching an Obstacle with a Rope Grab: HoThe order is fixed: attach, check, load, then release. The original attachment is never removed first.The order is fixed: attach, check, load, then release. The original attachment is never removed first.Approaching an Obstacle with a Rope Grab: HoAt a re-belay, one rope is transferred at a time — the back-up device stays high on the safety line and the two ropes are never disconnected together.At a re-belay, one rope is transferred at a time — the back-up device stays high on the safety line and the twApproaching an Obstacle with a Rope Grab: HoLeft: serviceable line with intact sheath and lower end termination. Right: reject — abrasion, glazing, core damage and no end stop to prevent the devLeft: serviceable line with intact sheath and lower end termination. Right: reject — abrasion, glazing, core dFunction Testing a Rope Grab Every Time It'sThe three-part function test: free travel up and down, immediate lock-up under a brisk downward pull, then clean release and free travel again.The three-part function test: free travel up and down, immediate lock-up under a brisk downward pull, then cleFunction Testing a Rope Grab Every Time It'sCorrect: sleeve fully locked, load along the major axis, gate free of contact. Incorrect: cross-loaded, gate bearing on structure, sleeve unlocked.Correct: sleeve fully locked, load along the major axis, gate free of contact. Incorrect: cross-loaded, gate bFunction Testing a Rope Grab Every Time It'sCorrect: close-fitting glove with cut protection across the palm-side fingers and thumb crotch. Incorrect: oversized glove reduces grip force and pincCorrect: close-fitting glove with cut protection across the palm-side fingers and thumb crotch. Incorrect: oveUsing PPE for Material Handling: Ground-LeveEN ISO 20345 toecaps are tested to 200 J impact and 15 kN compression; sole penetration resistance (P, PL or PS) and metatarsal protection (M) are sepEN ISO 20345 toecaps are tested to 200 J impact and 15 kN compression; sole penetration resistance (P, PL or PUsing PPE for Material Handling: Ground-LevePre-use checks happen before every load; periodic examination by a competent person follows the manufacturer's interval and at least every 12 months uPre-use checks happen before every load; periodic examination by a competent person follows the manufacturer'sUsing PPE for Material Handling: Ground-LeveCorrect: load acting along the rope axis. Incorrect: wind pushing the user and a flat load sideways loads the device and connector off-axis.Correct: load acting along the rope axis. Incorrect: wind pushing the user and a flat load sideways loads the Rope Grab Behaviour in High Winds: What ChanBase tension is a re-check item: wind can lift the lower line or swing the tensioning weight onto structure so it stops tensioning at all.Base tension is a re-check item: wind can lift the lower line or swing the tensioning weight onto structure soRope Grab Behaviour in High Winds: What ChanCorrect: cord tied to the handle where hand force is intended and routed so the pull stays in the plane of the handle arc. Incorrect: off-axis pull biCorrect: cord tied to the handle where hand force is intended and routed so the pull stays in the plane of theRemote Control of a Descender Handle with a Configuration B: the cord angle at the handle changes continuously as the load descends, altering how much handle travel each pull produces — the secoConfiguration B: the cord angle at the handle changes continuously as the load descends, altering how much hanRemote Control of a Descender Handle with a Usually preferable to remoting the handle: hand operation at the device plus a dedicated operator on the brake side, with the load on an independent sUsually preferable to remoting the handle: hand operation at the device plus a dedicated operator on the brakeRemote Control of a Descender Handle with a Doubled-rope pull-down: the rope runs through a free-hanging metal ring, never around the beam or across the sling webbing.Doubled-rope pull-down: the rope runs through a free-hanging metal ring, never around the beam or across the sRetrievable Rope Rigging: How to Set Up a PuCorrect: rope runs on a smooth metal ring. Incorrect (hatched): rope bearing on webbing or on a connector gate — friction heat cuts textile and the gaCorrect: rope runs on a smooth metal ring. Incorrect (hatched): rope bearing on webbing or on a connector gateRetrievable Rope Rigging: How to Set Up a PuSingle-line configuration: the thin retrieval cord releases the block. It carries no person and must be bagged and kept clear of the working line.Single-line configuration: the thin retrieval cord releases the block. It carries no person and must be baggedRetrievable Rope Rigging: How to Set Up a PuSplitting the load between two tensioned lines roughly halves the tension in each rope, and with it the elongation at the load.Splitting the load between two tensioned lines roughly halves the tension in each rope, and with it the elongaLimiting Rope Stretch with Two Descenders: LCorrect: braking carabiner in the descender's designated attachment hole, tail rope routed through it, brake hand still on the rope.Correct: braking carabiner in the descender's designated attachment hole, tail rope routed through it, brake hDescending with Additional Braking: When a DLeft: correct braking point on the device. Right: incorrect — gear loops are not rated for functional loads and the connector is cross-loaded.Left: correct braking point on the device. Right: incorrect — gear loops are not rated for functional loads anDescending with Additional Braking: When a DAdding a wrap through a braking connector lengthens the rope's friction path, so the same hand force on the tail produces more retardation.Adding a wrap through a braking connector lengthens the rope's friction path, so the same hand force on the taDescending with Additional Braking: When a DAdditional braking sits on the working line only — the Type A backup device on the safety line must remain free to travel and lock.Additional braking sits on the working line only — the Type A backup device on the safety line must remain freDescending with Additional Braking: When a DTwo-person loads: confirm the device carries an EN 341:2011 rescue rating for that mass and rope, and rehearse with an equivalent load before relying Two-person loads: confirm the device carries an EN 341:2011 rescue rating for that mass and rope, and rehearseDescending with Additional Braking: When a DBroken wires are counted within one rope lay length; five breaks clustered in a single strand is a widely applied discard threshold.Broken wires are counted within one rope lay length; five breaks clustered in a single strand is a widely applWire Strop Inspection: What to Check Before Correct, left: ferrule sound and seated, legs parallel, thimble snug. Reject, right: cracked ferrule that has crept along the rope, exposing clean ropCorrect, left: ferrule sound and seated, legs parallel, thimble snug. Reject, right: cracked ferrule that has Wire Strop Inspection: What to Check Before Correct: clamp loaded in line with the rope, connector loaded along its major axis. Incorrect: off-axis pull rotates the body, lifts the cam and crossCorrect: clamp loaded in line with the rope, connector loaded along its major axis. Incorrect: off-axis pull rUsing a Single Rope Clamp: Why Not?Left: correct orientation, cam engaged under downward load. Right: inverted device - the cam cannot bite and the grab will run down the rope.Left: correct orientation, cam engaged under downward load. Right: inverted device – the cam cannot bite and tWork Positioning with a Rope Grab: StandardsPre-use check every time: cam teeth and catch function, device body, connector, and the full working length of rope by hand and eye.Pre-use check every time: cam teeth and catch function, device body, connector, and the full working length ofWork Positioning with a Rope Grab: StandardsAn ascender grips harder as load increases — downward movement is only possible with the device fully unloaded and the cam held open.An ascender grips harder as load increases — downward movement is only possible with the device fully unloadedAscender Down-Climb: Losing a Short DistanceIncrement down-climb for one to two metres of clean rope; changeover to an EN 12841 Type C descender for anything longer or obstructed.Increment down-climb for one to two metres of clean rope; changeover to an EN 12841 Type C descender for anythAscender Down-Climb: Losing a Short DistanceCorrect: device fully unloaded, cam released by thumb, rope held taut below. Incorrect: loaded cam forced down, cutting into the sheath.Correct: device fully unloaded, cam released by thumb, rope held taut below. Incorrect: loaded cam forced downAscender Down-Climb: Losing a Short DistanceReset the backup at the start of every increment: slack in the safety line is the main hazard when travelling downwards.Reset the backup at the start of every increment: slack in the safety line is the main hazard when travelling Ascender Down-Climb: Losing a Short DistanceShort ascent: the descender stays on the working line, so no system change is needed to resume descent or work positioning.Short ascent: the descender stays on the working line, so no system change is needed to resume descent or workLong or Short Rope Ascent: Choosing the TechFrog system: the chest ascender holds position and keeps the torso upright while the legs do the work — the default for sustained ascents.Frog system: the chest ascender holds position and keeps the torso upright while the legs do the work — Long or Short Rope Ascent: Choosing the TechRope-walking suits long, clean, plumb free hangs; the frog handles deviations, rebelays and knot passes with fewer devices to move.Rope-walking suits long, clean, plumb free hangs; the frog handles deviations, rebelays and knot passes with fLong or Short Rope Ascent: Choosing the TechLabelled diagram of the markings on a rope grab side plate showing standard, rope diameter range, direction arrow, rated load and serial numberLabelled diagram of the markings on a rope grab side plate showing standard, rope diameter range, direction arRope Grab Specifications and Rope CompatibilCross-section comparison of a rope grab cam on correctly sized, undersized and oversized rope showing grip, slip and jammingCross-section comparison of a rope grab cam on correctly sized, undersized and oversized rope showing grip, slRope Grab Specifications and Rope CompatibilSix close-up diagrams of rope sheath conditions - new, glazed, contaminated, flattened, iced and ruptured - with their effect on rope grab performanceSix close-up diagrams of rope sheath conditions – new, glazed, contaminated, flattened, iced and ruptured – wiRope Grab Specifications and Rope CompatibilLine diagram of a descender side plate with numbered callouts to EN 12841 Type C rating, EN 341 class and load range, rope diameter range, rope directLine diagram of a descender side plate with numbered callouts to EN 12841 Type C rating, EN 341 class and loadDescender Specifications and Working Loads: Chart showing a descender's operating envelope with load on the vertical axis and rope diameter and condition on the horizontal axis, marking the slipChart showing a descender's operating envelope with load on the vertical axis and rope diameter and condition Descender Specifications and Working Loads: Six panel diagram comparing acceptable rope sheath fuzz with retirement defects: core exposure, core void, glazing, sheath slippage and localised diamSix panel diagram comparing acceptable rope sheath fuzz with retirement defects: core exposure, core void, glaService Life and Retirement Criteria for TexDiagram showing a low-stretch rope being chain-knotted into a compact daisy chain and placed in a mesh laundry bag before washingDiagram showing a low-stretch rope being chain-knotted into a compact daisy chain and placed in a mesh laundryWashing a Low-Stretch Rope Before First UseComparison diagram of correct and incorrect washing methods for a low-stretch rope, contrasting mild soap and lukewarm water with bleach, solvents, soComparison diagram of correct and incorrect washing methods for a low-stretch rope, contrasting mild soap and Washing a Low-Stretch Rope Before First UseDiagram of correct rope drying in large loose loops in shade with airflow, contrasted with crossed-out drying on a radiator, in sunlight and in a tumbDiagram of correct rope drying in large loose loops in shade with airflow, contrasted with crossed-out drying Washing a Low-Stretch Rope Before First UseDiagram showing a washed rope measured shorter than its nominal length, its end re-marked with identification and measured length, a hand-over-hand inDiagram showing a washed rope measured shorter than its nominal length, its end re-marked with identification Washing a Low-Stretch Rope Before First UseCross-section diagram comparing a new kernmantle rope with a tight round sheath to a used rope with fuzzed fibres, compacted core and embedded grit.Cross-section diagram comparing a new kernmantle rope with a tight round sheath to a used rope with fuzzed fibPerformance of New Versus Used Ropes: Slip, Diagram comparing descender friction on new slick rope versus broken-in rope, with an inset showing an added friction carabiner on the brake side.Diagram comparing descender friction on new slick rope versus broken-in rope, with an inset showing an added fPerformance of New Versus Used Ropes: Slip, Diagram showing a used rope measured with calipers at bloomed, compacted and flattened sections against a descender's marked diameter range.Diagram showing a used rope measured with calipers at bloomed, compacted and flattened sections against a descPerformance of New Versus Used Ropes: Slip, Rope inspection diagram with magnified details of even fuzz, glazing, sheath slippage and a soft spot found by flexing the rope by hand.Rope inspection diagram with magnified details of even fuzz, glazing, sheath slippage and a soft spot found byPerformance of New Versus Used Ropes: Slip, Four-step diagram showing small-diameter cord going slack, derailing over the sheave flange, jamming between sheave and side plate, and sustaining sheFour-step diagram showing small-diameter cord going slack, derailing over the sheave flange, jamming between sUsing Pulleys With Small-Diameter Rope or CoDiagram of a hauling system with each device's marked rope diameter range shown as tolerance bars on a common scale, highlighting devices incompatibleDiagram of a hauling system with each device's marked rope diameter range shown as tolerance bars on a common Using Pulleys With Small-Diameter Rope or CoCutaway diagram of a pulley showing bearing friction at the axle and rope bending loss around the sheave, with sheave-to-rope diameter ratio marked.Cutaway diagram of a pulley showing bearing friction at the axle and rope bending loss around the sheave, withPulley Efficiency: What the Numbers MeanInspection diagram of a pulley with four callouts: free sheave rotation, sheave groove wear, strand alignment against the side plates, and correct ropInspection diagram of a pulley with four callouts: free sheave rotation, sheave groove wear, strand alignment Pulley Efficiency: What the Numbers MeanCut-away diagrams comparing a too-thin, correct and too-thick rope inside a descender's rope channel, showing contact area, bend severity and cam pincCut-away diagrams comparing a too-thin, correct and too-thick rope inside a descender's rope channel, showing Rope Diameter Limits on Descenders: Why the Bar chart showing the marked rope diameter ranges of a descender, backup device, ascender and pulley overlapping in a narrower usable bandBar chart showing the marked rope diameter ranges of a descender, backup device, ascender and pulley overlappiRope Diameter Limits on Descenders: Why the Four-step diagram of checking descender and rope compatibility: read device marking, read rope marking, assess rope condition, and perform a loaded fuFour-step diagram of checking descender and rope compatibility: read device marking, read rope marking, assessRope Diameter Limits on Descenders: Why the Comparison diagram showing an acceptable manufacturer-specified friction carabiner on the brake side versus unacceptable improvised friction, device mComparison diagram showing an acceptable manufacturer-specified friction carabiner on the brake side versus unRope Diameter Limits on Descenders: Why the Cross-section diagram of kernmantel rope showing core and sheath, plus caliper measurement on two axes to check actual rope diameterCross-section diagram of kernmantel rope showing core and sheath, plus caliper measurement on two axes to checChoosing a Low-Stretch Rope Diameter: MatchiDiagram showing overlapping marked diameter ranges of descender, backup device, ascender and pulley, with the intersection marked as the usable rope dDiagram showing overlapping marked diameter ranges of descender, backup device, ascender and pulley, with the Choosing a Low-Stretch Rope Diameter: MatchiThree-panel sectional diagram of a descender with rope below, within and above the marked diameter range, showing friction, feed and control differencThree-panel sectional diagram of a descender with rope below, within and above the marked diameter range, showChoosing a Low-Stretch Rope Diameter: MatchiVector diagram showing how the resultant force on a redirect pulley connector increases with the rope's angle of direction changeVector diagram showing how the resultant force on a redirect pulley connector increases with the rope's angle Choosing Connectors for Hauling and PulleysThree-panel line diagram of the pre-use check: measuring gate opening against the descender eye, confirming free pivot, and confirming alignment of thThree-panel line diagram of the pre-use check: measuring gate opening against the descender eye, confirming frChoosing a Connector for a Descender: LockinLine diagram comparing correct major-axis loading of a connector with a descender against cross-loading and gate-loading, both marked as incorrect.Line diagram comparing correct major-axis loading of a connector with a descender against cross-loading and gaChoosing a Connector for a Descender: Lockin

Lifting and rigging 35

A baler pickup blocked with crop material, showing a person about to reach in crossed out, beside the same machine with the tractor key removed and heA baler pickup blocked with crop material, showing a person about to reach in crossed out, beside the same macBaling, Wrapping and Unblocking MachineryA load hanging from a jammed hook with a widened dashed exclusion boundary and barriers around it, adjacent plant stopped and crossed through, and a fA load hanging from a jammed hook with a widened dashed exclusion boundary and barriers around it, adjacent plEmergency Response for a Suspended or DroppeA crane beside overhead conductors with a large dashed exclusion volume around the lines, the boom slew arc drawn as a wide shaded sweep entering it, A crane beside overhead conductors with a large dashed exclusion volume around the lines, the boom slew arc drLifting Near Overhead Lines and StructuresA single sheet divided into five stacked bands of empty boxes, each band linked by a leader line to a small sketch of the load, the crane at radius, tA single sheet divided into five stacked bands of empty boxes, each band linked by a leader line to a small skPlanning a Lift: What the Lift Plan Has to AA crane operator in a cab with a dashed line of sight to a signaller standing clear of the load, with a second dashed line showing radio backup and a A crane operator in a cab with a dashed line of sight to a signaller standing clear of the load, with a secondSlinger and Signaller Communication for LiftAn asymmetric load shown suspended from a hook offset from its centre of gravity so it hangs tilted, beside the same load with the hook directly aboveAn asymmetric load shown suspended from a hook offset from its centre of gravity so it hangs tilted, beside thEstimating the Load and Finding the Centre oA collared eyebolt shown three times under an axial pull and at two increasing angles, with the bending moment on the shank drawn as a curved arrow thA collared eyebolt shown three times under an axial pull and at two increasing angles, with the bending momentEyebolts and Lifting Points: The Cost of OffA bow shackle and a dee shackle side by side, with detail circles on a correctly seated sling in the bow, a sling bearing on the pin instead of the boA bow shackle and a dee shackle side by side, with detail circles on a correctly seated sling in the bow, a slShackles: Selecting, Fitting and the Ways ThA run of chain with detail circles on a stretched link that will not articulate, wear at the link bearing point, a nick in the link body, and a hook wA run of chain with detail circles on a stretched link that will not articulate, wear at the link bearing poinChain Sling Discard Criteria and Safe ShorteA sling identification label shown enlarged, with each field on it linked by a leader line to the part of the sling or the configuration it describes.A sling identification label shown enlarged, with each field on it linked by a leader line to the part of the Reading a Sling Label and What the Working LSimple line-art illustration of a small industrial forklift beside a boundary barrier at the entrance to a marked area.Simple line-art illustration of a small industrial forklift beside a boundary barrier at the entrance to a marMobile Equipment and Vehicles in Hazardous ASimple line-art illustration of a warehouse floor with a barrier-separated pedestrian walkway alongside a forklift traffic lane.Simple line-art illustration of a warehouse floor with a barrier-separated pedestrian walkway alongside a forkForklift-Pedestrian Segregation and WarehousSimple line-art illustration of a worker lifting a box with bent knees and the load held close to the body.Simple line-art illustration of a worker lifting a box with bent knees and the load held close to the body.Back Support and Safe Lifting TechniqueSimple line-art illustration of an aerial climber and a ground crew member exchanging a hand signal during a tree rigging operation.Simple line-art illustration of an aerial climber and a ground crew member exchanging a hand signal during a tGround-to-Aerial Communication During Tree FCorrect tripod geometry: apex centred over the opening, equal leg spread, restraint chain taut, and the retrieval line hanging vertically with no sideCorrect tripod geometry: apex centred over the opening, equal leg spread, restraint chain taut, and the retrieVertical Extraction from a Confined Space: RCorrect (left) versus incorrect (right): an offset tripod side-loads the head, drags the line across the concrete rim and voids the manufacturer's ratCorrect (left) versus incorrect (right): an offset tripod side-loads the head, drags the line across the concrVertical Extraction from a Confined Space: RA davit arm places the lifting point over an offset or obstructed opening, but transfers a bending moment into the mast and base socket, so mast and bA davit arm places the lifting point over an offset or obstructed opening, but transfers a bending moment intoVertical Extraction from a Confined Space: RCorrect method: sling uncoiled to full length, wiped clean, and a folded cloth drawn slowly along it in gloved hands to detect protruding broken wiresCorrect method: sling uncoiled to full length, wiped clean, and a folded cloth drawn slowly along it in glovedWire Strop Inspection: What to Check Before Measure across the crowns of two opposite strands with broad caliper jaws; a reduction of more than 10 % of nominal diameter is the figure commonly apMeasure across the crowns of two opposite strands with broad caliper jaws; a reduction of more than 10 % of noWire Strop Inspection: What to Check Before Each of these deformations is a withdrawal condition: kink, birdcaging, crushing or flattening, and core protrusion. None can be corrected in the fielEach of these deformations is a withdrawal condition: kink, birdcaging, crushing or flattening, and core protrWire Strop Inspection: What to Check Before A withdrawn strop goes into physically separate quarantine, never back on the rack; where the decision is to scrap it, the assembly is destroyed so itA withdrawn strop goes into physically separate quarantine, never back on the rack; where the decision is to sWire Strop Inspection: What to Check Before Two-point (left) resists lift-off only; four-point (right) with the rear junction low on the nape resists forward and rearward rotation.Two-point (left) resists lift-off only; four-point (right) with the rear junction low on the nape resists forwWearing a Helmet Without the Chinstrap: WhatCorrect: load in line with the spine, gate closed and locked . Incorrect: connector rotated so force presses across the gate — minor-axis strength is Correct: load in line with the spine, gate closed and locked . Incorrect: connector rotated so force presses aExamples of Dangerous Connector Loading: HowThree load paths in one connector force the gate outward; a rated multi-point plate keeps each load path independent and in line.Three load paths in one connector force the gate outward; a rated multi-point plate keeps each load path indepExamples of Dangerous Connector Loading: HowRoll-out sequence: an attachment point small enough to travel from the back of the throat to the gate can depress it and release the hook.Roll-out sequence: an attachment point small enough to travel from the back of the throat to the gate can deprExamples of Dangerous Connector Loading: HowA Class Q screw link is rated only with the barrel fully tightened and the frame gap completely bridged.A Class Q screw link is rated only with the barrel fully tightened and the frame gap completely bridged.Examples of Dangerous Connector Loading: HowIncorrect: spare leg parked in the dorsal attachment point. Correct: spare leg on the designated keeper, which releases rather than carries load.Incorrect: spare leg parked in the dorsal attachment point. Correct: spare leg on the designated keeper, whichExamples of Dangerous Connector Loading: HowComparison diagram of tripod leg pinning, foot types for hard and soft ground, and the difference between a taut and a slack spread limiterComparison diagram of tripod leg pinning, foot types for hard and soft ground, and the difference between a taSetting Up a Tripod Over a Manhole: Footing,Four-panel diagram of common tripod setup errors over a manhole: tilted head, off-centre frame, use as a lifting appliance, and standing on the legs wFour-panel diagram of common tripod setup errors over a manhole: tilted head, off-centre frame, use as a liftiSetting Up a Tripod Over a Manhole: Footing,Diagram of two parallel timelines showing age-based service life from date of manufacture and condition-based retirement events, with retirement at whDiagram of two parallel timelines showing age-based service life from date of manufacture and condition-based Service Life and Retirement Criteria for TexFlowchart of the textile retirement sequence from defect found through tagging, quarantine, competent person confirmation, destruction by cutting and Flowchart of the textile retirement sequence from defect found through tagging, quarantine, competent person cService Life and Retirement Criteria for TexReference diagram showing where certification markings are located on an oval screwgate, an HMS carabiner, a captive-eye directional connector, a steeReference diagram showing where certification markings are located on an oval screwgate, an HMS carabiner, a cReading the Markings on a ConnectorDiagram contrasting three-way loading of a single connector with a rigging plate that gives each component its own connectorDiagram contrasting three-way loading of a single connector with a rigging plate that gives each component itsChoosing Connectors for Hauling and PulleysDiagram showing major-axis loading, minor-axis cross loading, three-way loading of one connector, and the corrected version using a rigging plateDiagram showing major-axis loading, minor-axis cross loading, three-way loading of one connector, and the corrChecking Connector Compatibility: A Field MeThree-stage diagram of connector roll-out on a large-radius padeye, with solutions shown using an interposed sling and a captive-eye connectorThree-stage diagram of connector roll-out on a large-radius padeye, with solutions shown using an interposed sChecking Connector Compatibility: A Field Me

Confined space 16

A section through a slurry store with a crust on the surface, gas shown collecting beneath it and surging upward as an agitator disturbs it, spreadingA section through a slurry store with a crust on the surface, gas shown collecting beneath it and surging upwaSlurry Gases and Confined Spaces on FarmsSection through a partly collapsed trench with a buried casualty, a rescuer at the crest not entering, spoil being cleared back, plant stopped, and shSection through a partly collapsed trench with a buried casualty, a rescuer at the crest not entering, spoil bRescue Planning for an Excavation or StructuSimple line-art illustration of a portable multi-gas detector clipped to a worker's belt beside a wall-mounted fixed detector unit.Simple line-art illustration of a portable multi-gas detector clipped to a worker's belt beside a wall-mountedGas Detection and Atmospheric Monitoring forSimple line-art illustration of a portable gas detector positioned beside a welding torch on a work surface.Simple line-art illustration of a portable gas detector positioned beside a welding torch on a work surface.Hot Work Permits in Explosive AtmospheresSimple line-art illustration of a gas detector being lowered on a cable into a confined space entry hatch to sample air at different depths.Simple line-art illustration of a gas detector being lowered on a cable into a confined space entry hatch to sConfined Space Chemical HazardsDiagram showing the atmospheric testing reading order - oxygen, then flammable gas, then toxic channels - and why a catalytic bead LEL sensor depends Diagram showing the atmospheric testing reading order – oxygen, then flammable gas, then toxic channels – and Atmospheric Testing Before Entry: Sequence, Remote sampling train for confined space atmospheric testing: probe, tubing, water trap, hydrophobic filter and pumped detector used from outside the Remote sampling train for confined space atmospheric testing: probe, tubing, water trap, hydrophobic filter anAtmospheric Testing Before Entry: Sequence, Cross-section of a vertical confined space showing stratified gas layers and probe sampling at top, mid-depth and bottom levels.Cross-section of a vertical confined space showing stratified gas layers and probe sampling at top, mid-depth Atmospheric Testing Before Entry: Sequence, Chart of atmospheric testing action levels: acceptable oxygen band, flammable gas action line at ten percent LEL, and toxic alarm setpoints taken fromChart of atmospheric testing action levels: acceptable oxygen band, flammable gas action line at ten percent LAtmospheric Testing Before Entry: Sequence, Cross-section diagram of a vertical confined space entry with a tripod and retrieval winch over the manway, contrasted with an obstructed vessel whereCross-section diagram of a vertical confined space entry with a tripod and retrieval winch over the manway, coSelecting a Rescue Kit for the TaskDiagram comparing EN 397 releasing chinstrap and EN 12492 retaining chinstrap, with confined space scenarios matched to each helmet typeDiagram comparing EN 397 releasing chinstrap and EN 12492 retaining chinstrap, with confined space scenarios mSelecting a Helmet for Confined Space Work: Four-step diagram of stacking respirator, helmet, hearing protection and headlamp for confined space entry, with interference errors crossed outFour-step diagram of stacking respirator, helmet, hearing protection and headlamp for confined space entry, wiSelecting a Helmet for Confined Space Work: Technical diagram of a worker testing air quality with a probe at a confined space opening before entry, showing sampling at three depths and the oxygTechnical diagram of a worker testing air quality with a probe at a confined space opening before entry, showiConfined Space Entry: The Permit Sequence, STechnical diagram of an entry supervisor reviewing and signing a written confined space entry permit, checking off required controls on a permit boardTechnical diagram of an entry supervisor reviewing and signing a written confined space entry permit, checkingConfined Space Entry: The Permit Sequence, STechnical diagram of an attendant stationed outside a confined space entry point, monitoring an entrant with a radio, gas detector and tripod retrievaTechnical diagram of an attendant stationed outside a confined space entry point, monitoring an entrant with aConfined Space Entry: The Permit Sequence, STechnical diagram of confined space permit closeout: entrants accounted for, space secured, isolations removed, and the permit cancelled, signed and fTechnical diagram of confined space permit closeout: entrants accounted for, space secured, isolations removedConfined Space Entry: The Permit Sequence, S

Machinery and isolation 31

Two panels showing a quad bike on a slope: in the first the rider sits still and the machine tips, in the second the rider stands on the pegs and leanTwo panels showing a quad bike on a slope: in the first the rider sits still and the machine tips, in the secoQuad Bikes and ATVs on FarmsTwo panels showing a tractor mid-overturn: in the first the belted operator stays within a dashed survival space inside the roll-over structure, in thTwo panels showing a tractor mid-overturn: in the first the belted operator stays within a dashed survival spaTractor Overturn: ROPS and Seat BeltsA tractor and implement connected by a PTO shaft shown from the side, with the tractor shield, the guard tube and the implement shield marked as threeA tractor and implement connected by a PTO shaft shown from the side, with the tractor shield, the guard tube PTO Shafts: Guarding and EntanglementA machine with a casualty trapped at the mechanism, a first responder at the isolator fitting a lock rather than at the machine, a second figure at a A machine with a casualty trapped at the mechanism, a first responder at the isolator fitting a lock rather thFirst Response to a Machine EntrapmentA machine with its guard open in a setting mode, a key-operated selector switch on the panel, and an operator holding a hold-to-run enable device, besA machine with its guard open in a setting mode, a key-operated selector switch on the panel, and an operator Maintenance, Setting and the Guards That ComA machine shop section with a noisy machine enclosed and damped, sound paths drawn as curved lines reaching a worker, beside detail circles of an ear A machine shop section with a noisy machine enclosed and damped, sound paths drawn as curved lines reaching a Noise and Vibration in a Machine ShopA lathe with a long continuous turning coiling off the workpiece, beside a detail circle of a hand grasping the coil crossed through, and a second detA lathe with a long continuous turning coiling off the workpiece, beside a detail circle of a hand grasping thSwarf, Chips and Hot WorkpiecesA machine tool sump in cutaway with a layer of tramp oil floating on top and metal fines settled at the bottom, beside detail circles of a skimmer, a A machine tool sump in cutaway with a layer of tramp oil floating on top and metal fines settled at the bottomMetalworking Fluids: Mist, Dermatitis and TaTwo panels showing a hand reaching directly into a machine opening to place a workpiece, beside the same machine fitted with a sliding jig and a chuteTwo panels showing a hand reaching directly into a machine opening to place a workpiece, beside the same machiWhy Hands Enter Machines, and How to Stop NeA machine cutaway with four stored energy sources marked: a raised ram held by a mechanical scotch, a charged hydraulic accumulator with a vent valve,A machine cutaway with four stored energy sources marked: a raised ram held by a mechanical scotch, a charged Stored Energy: The Hazard That Survives IsolA machine with four isolation points marked around it - an electrical isolator, a pneumatic valve, a hydraulic valve and a mechanical drive coupling -A machine with four isolation points marked around it – an electrical isolator, a pneumatic valve, a hydraulicIsolating Machinery: Locking Off Every EnergA plan view of a machine with a light curtain across its opening, a hand approaching through the beams, and a horizontal dimension arrow from the curtA plan view of a machine with a light curtain across its opening, a hand approaching through the beams, and a Light Curtains and Presence-Sensing SafeguarA mushroom-head emergency stop button with a detail circle showing it latched in and a twist arrow releasing it, beside a machine outline with a raiseA mushroom-head emergency stop button with a detail circle showing it latched in and a twist arrow releasing iEmergency Stop: What It Does and What It DoeThree panels showing a nip point between a belt and pulley with arrows drawing material inward, a shear point where a moving part passes a fixed frameThree panels showing a nip point between a belt and pulley with arrows drawing material inward, a shear point Trapping Points: Nip, Shear and CrushThree sections through a guard opening with a hand reaching in, showing a small opening with the hazard close, a larger opening with the hazard furtheThree sections through a guard opening with a hand reaching in, showing a small opening with the hazard close,Safety Distances: Why Reach Decides the GuarAn interlocked guard with its actuator entering a switch, beside two detail circles showing a spare actuator taped into the switch body and a magnet hAn interlocked guard with its actuator entering a switch, beside two detail circles showing a spare actuator tInterlocked Guards and How They Get DefeatedA fixed mesh guard bolted over a machine drive, with detail circles on a captive fastener retained in the guard and on the mesh aperture with a fingerA fixed mesh guard bolted over a machine drive, with detail circles on a captive fastener retained in the guarFixed Guards and When They Are the Right AnsThree stacked bands showing the hierarchy of machine safeguarding, with the widest band at the top for eliminating the hazard, a middle band for guardThree stacked bands showing the hierarchy of machine safeguarding, with the widest band at the top for eliminaThe Hierarchy of Machine Safeguarding: What Plan view of an excavator with shaded blind areas around the machine, a slew radius circle marked, a barriered pedestrian route beyond it and a banksmPlan view of an excavator with shaded blind areas around the machine, a slew radius circle marked, a barrieredWorking Near Mobile Plant: Exclusion Zones, Simple line-art illustration of a mushroom-head emergency stop button on a wall-mounted enclosure beside a valve actuator.Simple line-art illustration of a mushroom-head emergency stop button on a wall-mounted enclosure beside a valEmergency Isolation and Shutdown SystemsSimple line-art illustration of an opened equipment enclosure with a lockout padlock fitted to its isolator switch.Simple line-art illustration of an opened equipment enclosure with a lockout padlock fitted to its isolator swMaintenance and Permit Work Inside HazardousSimple line-art illustration of a conveyor belt with a pull-cord emergency stop running along its guarded side.Simple line-art illustration of a conveyor belt with a pull-cord emergency stop running along its guarded sideConveyor Belt and Sortation System SafetySimple line-art illustration of a strapping machine applying tensioned strap around a stacked pallet.Simple line-art illustration of a strapping machine applying tensioned strap around a stacked pallet.Shrink Wrap and Strapping Machine SafetySimple line-art illustration of an angle grinder with its guard fitted, positioned beside a wheel and mounting flanges.Simple line-art illustration of an angle grinder with its guard fitted, positioned beside a wheel and mountingGrinding and Cutting Wheel SafetySimple line-art illustration of a hand testing a chainsaw's front hand guard and chain brake mechanism before starting the saw.Simple line-art illustration of a hand testing a chainsaw's front hand guard and chain brake mechanism before Chainsaw Maintenance and Pre-Use ChecksSimple line-art illustration of a rescuer reaching for a nearby isolation switch rather than directly touching a casualty who remains in contact with Simple line-art illustration of a rescuer reaching for a nearby isolation switch rather than directly touchingRescue Planning for an Electrical Contact InSimple line-art illustration of an electrical permit to work document with sections for equipment identification, isolation confirmation, authorised sSimple line-art illustration of an electrical permit to work document with sections for equipment identificatiElectrical Permits to Work: What They Need tSimple line-art illustration of a voltage detector being touched to a known live test point, then to the isolated circuit under test, then back to theSimple line-art illustration of a voltage detector being touched to a known live test point, then to the isolaTesting for Absence of Voltage: The SequenceSimple line-art illustration of an electrical isolator switch with a padlock and a tag attached, next to a voltage tester being used to confirm the ciSimple line-art illustration of an electrical isolator switch with a padlock and a tag attached, next to a volLockout-Tagout for Electrical Isolation: ProSide-view diagram of an open electrical switchgear panel with an arc flash burst at the panel face labelled incident energy, and a horizontal dimensioSide-view diagram of an open electrical switchgear panel with an arc flash burst at the panel face labelled inArc Flash Risk Assessment: Estimating IncideSuspension relief straps let the casualty stand and unload the leg straps while the rescue system is rigged; follow the manufacturer's instructions foSuspension relief straps let the casualty stand and unload the leg straps while the rescue system is rigged; fRescuing a Person Hanging on an Energy Absor

Electrical 12

Simple line-art illustration of liquid flowing through a pipe into a container with a small spark shown at the gap between the pipe outlet and the conSimple line-art illustration of liquid flowing through a pipe into a container with a small spark shown at theStatic Electricity as an Ignition SourceSimple line-art illustration of a welding electrode holder with intact cable insulation connected to a work return clamp.Simple line-art illustration of a welding electrode holder with intact cable insulation connected to a work reArc Welding: Electrical Hazards and EquipmenSimple line-art illustration of a safety boot with a sole cross-section showing a non-conductive layer, positioned beside a small label distinguishingSimple line-art illustration of a safety boot with a sole cross-section showing a non-conductive layer, positiSelecting Footwear and Clothing for General Simple line-art illustration of a temporary earthing clamp connected between a conductor and an earth point, positioned close to a marked work locatioSimple line-art illustration of a temporary earthing clamp connected between a conductor and an earth point, pGrounding and Earthing for Temporary ElectriSimple line-art illustration of a technician in full arc-rated hood and clothing operating a switchgear racking handle from an extended position, stanSimple line-art illustration of a technician in full arc-rated hood and clothing operating a switchgear rackinSwitchgear Operation: PPE and Procedure for Simple line-art illustration of a safety helmet with an arc-rated face shield attached, covering the full face and extending down past the chin, worn Simple line-art illustration of a safety helmet with an arc-rated face shield attached, covering the full faceSelecting a Helmet and Face Shield for Arc FIsometric diagram of an open electrical switchgear panel with three dashed boundary arcs on the floor, labelled restricted approach, limited approach Isometric diagram of an open electrical switchgear panel with three dashed boundary arcs on the floor, labelleArc Flash Boundaries: Limited, Restricted anSimple line-art illustration of an insulated hand tool with its voltage rating marking visible on the handle, shown separately from an ordinary tool wSimple line-art illustration of an insulated hand tool with its voltage rating marking visible on the handle, Insulated Tools for Electrical Work: What thSimple line-art illustration comparing two electrical work scenarios: a technician working on a locked-off, tagged panel on the left, and a technicianSimple line-art illustration comparing two electrical work scenarios: a technician working on a locked-off, taLive Working vs Dead Working: When Each Is JSimple line-art illustration of an insulating glove with a voltage class label, shown beside a separate leather protector glove worn over it for mechaSimple line-art illustration of an insulating glove with a voltage class label, shown beside a separate leatheInsulating Gloves for Electrical Work: EN 60Simple line-art illustration of an arc-rated jacket with its label visible, positioned beside a separate general flame-resistant jacket, showing they Simple line-art illustration of an arc-rated jacket with its label visible, positioned beside a separate generSelecting Arc-Rated Clothing: EN 61482 ExplaCurrent guidance (HSE Research Report RR708) does not support keeping a rescued casualty upright — lay them down and arrange medical assessment.Current guidance (HSE Research Report RR708) does not support keeping a rescued casualty upright — lay them doAccompanied Descent Rescue: How the Manoeuvr

Excavation and groundwork 2

PPE and health 43

An operator at a sprayer induction bowl pouring concentrate from a container, with detail circles showing a glove cuff worn outside the sleeve, a closAn operator at a sprayer induction bowl pouring concentrate from a container, with detail circles showing a glPesticide Handling: Mixing and LoadingA section through a night works showing a floodlight on a mast aimed down into the works area with a shielded cut-off, beside a second mast aimed acroA section through a night works showing a floodlight on a mast aimed down into the works area with a shielded Night Working: Lighting the Works Without DaCutaway of a building interior with leader lines to pipe lagging, sprayed coating on a steel beam, an insulating board panel, a textured ceiling coatiCutaway of a building interior with leader lines to pipe lagging, sprayed coating on a steel beam, an insulatiAsbestos: Recognising It and Stopping BeforeA cut-off saw shown twice, once with a water feed at the blade and once with an extraction shroud and hose, with a third detail showing a shroud held A cut-off saw shown twice, once with a water feed at the blade and once with an extraction shroud and hose, wiControlling Silica Dust When Cutting, ChasinA filtering facepiece shown in cutaway with the filter media and exhalation valve, beside a face-seal detail showing stubble breaking the seal and airA filtering facepiece shown in cutaway with the filter media and exhalation valve, beside a face-seal detail sRespiratory Protection for Silica and ConstrSafety spectacles and goggles shown side by side with the frame marking and the lens marking enlarged in two detail circles, and an arrow indicating tSafety spectacles and goggles shown side by side with the frame marking and the lens marking enlarged in two dEye Protection on a Construction Site: ImpacCutaway of a safety boot showing the toe cap, the penetration-resistant midsole and the cleated outsole, with the marking label shown enlarged on the Cutaway of a safety boot showing the toe cap, the penetration-resistant midsole and the cleated outsole, with Safety Footwear for Construction: Reading thSimple line-art illustration of a rescue team assessing a partially collapsed racking structure with a barrier positioned around the area.Simple line-art illustration of a rescue team assessing a partially collapsed racking structure with a barrierTrapped or Crushed Worker Rescue Planning inSimple line-art illustration of a worker in layered cold-store clothing with insulated gloves and a hood.Simple line-art illustration of a worker in layered cold-store clothing with insulated gloves and a hood.Cold Store and Freezer Warehouse PPESimple line-art illustration of a cut-resistant glove with a textured grip palm and knitted cuff.Simple line-art illustration of a cut-resistant glove with a textured grip palm and knitted cuff.Manual Handling Gloves and Cut Protection foSimple line-art illustration of a lightweight bump cap with a peaked brim and internal padded liner.Simple line-art illustration of a lightweight bump cap with a peaked brim and internal padded liner.Bump Caps versus Safety Helmets: EN 812Simple line-art illustration of a safety boot with a reinforced toecap and slip-resistant sole tread.Simple line-art illustration of a safety boot with a reinforced toecap and slip-resistant sole tread.Safety Footwear for Warehouse and Logistics Simple line-art illustration of two gloved hands, one glove shown as a cutaway revealing chemical molecules diffusing through the intact material.Simple line-art illustration of two gloved hands, one glove shown as a cutaway revealing chemical molecules diPermeation versus Degradation: Choosing GlovSimple line-art illustration of a personal air sampling pump clipped to a worker's belt with a sampling tube running to the collar.Simple line-art illustration of a personal air sampling pump clipped to a worker's belt with a sampling tube rChemical Exposure Monitoring and Health SurvSimple line-art illustration of a hand held under a stream of running water at an emergency eyewash station.Simple line-art illustration of a hand held under a stream of running water at an emergency eyewash station.Corrosive Chemical Burns: First Aid and ImmeSimple line-art illustration of a person removing a chemical protective glove by peeling it inside-out over the hand.Simple line-art illustration of a person removing a chemical protective glove by peeling it inside-out over thPPE Doffing and Personal Decontamination SeqSimple line-art illustration of a combined emergency shower and eyewash station with a pull-handle and hands-free eyewash bowl.Simple line-art illustration of a combined emergency shower and eyewash station with a pull-handle and hands-fDecontamination: Emergency Showers and EyewaSimple line-art illustration of a transfer pump connected between two chemical containers with a bonding cable clipped between them.Simple line-art illustration of a transfer pump connected between two chemical containers with a bonding cableChemical Transfer and Pump SafetySimple line-art illustration of a full face respirator mask with a screw-in gas cartridge on each side.Simple line-art illustration of a full face respirator mask with a screw-in gas cartridge on each side.Respiratory Protection for Chemical Vapours Simple line-art illustration of a seamless rubber chemical-resistant boot with a pull-on design.Simple line-art illustration of a seamless rubber chemical-resistant boot with a pull-on design.Chemical-Resistant FootwearSimple line-art illustration of a pair of sealed chemical splash goggles with indirect ventilation ports.Simple line-art illustration of a pair of sealed chemical splash goggles with indirect ventilation ports.Eye and Face Protection for Chemical SplashSimple line-art illustration of a chemical-resistant gauntlet glove with a long cuff, laid flat.Simple line-art illustration of a chemical-resistant gauntlet glove with a long cuff, laid flat.Selecting Chemical-Resistant Gloves to EN 37Simple line-art illustration of a pair of shaded safety glasses positioned in front of a welding work area.Simple line-art illustration of a pair of shaded safety glasses positioned in front of a welding work area.Eye and Face Protection for Bystanders and HSimple line-art illustration of a welder using a torch fitted with a local fume extraction nozzle near the weld pool.Simple line-art illustration of a welder using a torch fitted with a local fume extraction nozzle near the welRespiratory Protection for Welding FumeSimple line-art illustration of a pull-on welding boot with a covered lace flap and reinforced toe.Simple line-art illustration of a pull-on welding boot with a covered lace flap and reinforced toe.Safety Footwear for Welding and Hot WorkSimple line-art illustration of a gauntlet-style welding glove with an extended cuff and reinforced palm.Simple line-art illustration of a gauntlet-style welding glove with an extended cuff and reinforced palm.Selecting Welding Gloves to EN 407Simple line-art illustration of a welding helmet with a rectangular auto-darkening filter lens mounted in the front panel.Simple line-art illustration of a welding helmet with a rectangular auto-darkening filter lens mounted in the Welding Helmets and Auto-Darkening Filters: Simple line-art illustration of two work gloves side by side with clear spacing: a general mechanical-protection glove and a chainsaw-rated glove withSimple line-art illustration of two work gloves side by side with clear spacing: a general mechanical-protectiSelecting Gloves for Grounds and Tree Care WSimple line-art illustration of an operator feeding a branch into a wood chipper from the side, standing well clear of the feed opening.Simple line-art illustration of an operator feeding a branch into a wood chipper from the side, standing well Chipper Safety: Feed Zone Hazards and Safe OSimple line-art illustration of a chainsaw bar with the upper tip kickback zone highlighted, held with a firm two-handed grip.Simple line-art illustration of a chainsaw bar with the upper tip kickback zone highlighted, held with a firm Chainsaw Kickback: What Causes It and How PPSimple line-art illustration of a tree with a visible lean, a cracked branch caught in the upper canopy, and a cavity marked on the trunk.Simple line-art illustration of a tree with a visible lean, a cracked branch caught in the upper canopy, and aAssessing a Tree Before Felling: Lean, Hang-Simple line-art illustration of a pair of wraparound safety glasses positioned beneath a helmet-mounted mesh visor.Simple line-art illustration of a pair of wraparound safety glasses positioned beneath a helmet-mounted mesh vEye and Face Protection for Tree Care WorkSimple line-art illustration of a pair of ear defenders mounted on articulated arms attached to a helmet shell.Simple line-art illustration of a pair of ear defenders mounted on articulated arms attached to a helmet shellHearing Protection for Chainsaw and Power ToSimple line-art illustration of a forestry safety helmet with integrated ear defenders and a mesh visor attached.Simple line-art illustration of a forestry safety helmet with integrated ear defenders and a mesh visor attachChoosing a Helmet System for Chainsaw and GrCorrect (left): shell level, brow covered, chinstrap fastened snug. Incorrect (right): shell tipped back on the crown with the strap unfastened — the Correct (left): shell level, brow covered, chinstrap fastened snug. Incorrect (right): shell tipped back on thWearing a Helmet Without the Chinstrap: WhatRetained (left): the crown takes the load and the suspension deforms as designed. Unretained (right): the shell rotates off and the secondary impact iRetained (left): the crown takes the load and the suspension deforms as designed. Unretained (right): the shelWearing a Helmet Without the Chinstrap: WhatEN 397 (left): the strap releases at 150–250 N so a snag cannot load the neck. EN 12492 (right): the strap must hold to at least 500 N because it is pEN 397 (left): the strap releases at 150–250 N so a snag cannot load the neck. EN 12492 (right): the strap musWearing a Helmet Without the Chinstrap: WhatTension check: roughly two fingers' thickness of slack, strap snug under the jaw — then confirm with a nod-and-shake movement check.Tension check: roughly two fingers' thickness of slack, strap snug under the jaw — then confirm with a nod-andWearing a Helmet Without the Chinstrap: WhatWithdraw from service: frayed or abraded webbing, glazing from heat, and any cracked or rounded buckle latch arm.Withdraw from service: frayed or abraded webbing, glazing from heat, and any cracked or rounded buckle latch aWearing a Helmet Without the Chinstrap: WhatDiagram comparing helmet impact test zones: EN 397 tests crown impact only, EN 12492 tests crown, front, rear and lateral impacts.Diagram comparing helmet impact test zones: EN 397 tests crown impact only, EN 12492 tests crown, front, rear Helmet Standards: EN 397 and EN 12492Annotated helmet label showing standard number, size range, mass, date of manufacture and optional EN 397 performance codes such as LD, MM and 440 V aAnnotated helmet label showing standard number, size range, mass, date of manufacture and optional EN 397 perfHelmet Standards: EN 397 and EN 12492Comparison diagram of a restraint tether routed from the rear belt point versus a lateral point, showing the lateral tether snagging under the bootComparison diagram of a restraint tether routed from the rear belt point versus a lateral point, showing the lWhich Attachment Points to Use for RestraintDiagram showing a captive-eye connector and retaining pin keeping load on the spine versus a free-rotating connector ending up cross-loaded, plus connDiagram showing a captive-eye connector and retaining pin keeping load on the spine versus a free-rotating conConnector Basics: Gates, Axes and Loading

Vehicles and plant 13

A farmyard plan view with a one-way vehicle route marked by arrows, a separate pedestrian route along the buildings, a designated turning area, and a A farmyard plan view with a one-way vehicle route marked by arrows, a separate pedestrian route along the builVehicles, Yards and Reversing on the FarmA farmyard plan view with a fenced play area beside the house, a separate vehicle route through the yard marked with arrows, a gated slurry store and A farmyard plan view with a fenced play area beside the house, a separate vehicle route through the yard markeChildren and Visitors on a Working FarmA tractor cab interior seen from behind the seat with four numbered actions marked in sequence: the handbrake lever, the gear and PTO controls, the igA tractor cab interior seen from behind the seat with four numbered actions marked in sequence: the handbrake Safe Stop: The Routine Before You Leave the Three panels showing the same roadside layout in wind with a sign turning, in heavy rain with spray from a passing vehicle, and in fog with the advancThree panels showing the same roadside layout in wind with a sign turning, in heavy rain with spray from a pasWeather on the Roadside: Wind, Rain, Fog andA plan view of a closure with a vehicle crossing the taper into the closed lane, the safety zone hatched ahead of the works, arrows showing crew escapA plan view of a closure with a vehicle crossing the taper into the closed lane, the safety zone hatched aheadVehicle Incursion: Planning for the Driver WA lone worker at a roadside verge with a vehicle parked upstream as a buffer, a dashed escape route running away from the carriageway, and a small insA lone worker at a roadside verge with a vehicle parked upstream as a buffer, a dashed escape route running awLone Working and Roadside PatrolsA plan view of a works vehicle reversing inside a closure with shaded blind areas behind and along the offside, a signaller standing outside them in tA plan view of a works vehicle reversing inside a closure with shaded blind areas behind and along the offsideReversing and Manoeuvring Plant on a Live RoA works vehicle with a directional arrow board and beacons travelling along a lane with a second buffer vehicle upstream of it, and a dashed clear disA works vehicle with a directional arrow board and beacons travelling along a lane with a second buffer vehiclMobile and Short-Duration Works on a Live RoA plan view showing a works vehicle placing cones with a numbered sequence running in the direction of traffic for setting out, and a second sequence A plan view showing a works vehicle placing cones with a numbered sequence running in the direction of trafficSetting Out and Taking Down a Traffic ManageA temporary sign on a frame at the roadside seen from a driver approaching, with a detail of the sign turned square to the traffic and a second detailA temporary sign on a frame at the roadside seen from a driver approaching, with a detail of the sign turned sTemporary Signs: Placement, Legibility and STwo panels showing a vehicle striking a line of cones and passing straight through, beside a vehicle striking a barrier which deflects and redirects iTwo panels showing a vehicle striking a line of cones and passing straight through, beside a vehicle striking Cones, Barriers and What Actually Stops a VeA plan view of a lane closure showing the advance warning area, the taper, the safety zone, the works area and the exit taper as five labelled zones iA plan view of a lane closure showing the advance warning area, the taper, the safety zone, the works area andThe Anatomy of a Temporary Traffic ManagemenSimple line-art illustration of a mechanical wheel chock positioned against a trailer tire at a loading dock.Simple line-art illustration of a mechanical wheel chock positioned against a trailer tire at a loading dock.Loading Dock Safety and Vehicle Restraint Sy

Agriculture 3

Other subjects 53

A field plan view showing a cow and calf with a dashed protective zone around them, a person walking a path that passes between them crossed out, and A field plan view showing a cow and calf with a dashed protective zone around them, a person walking a path thBulls, Cows With Calves and the Animals ThatA roadside incident with arrows showing the crew moving away from the carriageway behind a barrier, a figure at a distance upstream making a call, andA roadside incident with arrows showing the crew moving away from the carriageway behind a barrier, a figure aEmergency Response and Evacuation From a LivTwo plan views of the same lane closure drawn to the same scale, one on a slow road with short advance signing and taper, one on a high-speed road witTwo plan views of the same lane closure drawn to the same scale, one on a slow road with short advance signingHigh-Speed Roads: What ChangesA plan view of a taper at night with steady lamps drawn as small filled circles along the closure line and a flashing lamp drawn with radiating strokeA plan view of a taper at night with steady lamps drawn as small filled circles along the closure line and a fLamps, Beacons and Warning Lights on a WorksA car approaching a worker at night with the headlight beam and the driver's line of sight drawn as two lines meeting at the worker, shown at a long dA car approaching a worker at night with the headlight beam and the driver's line of sight drawn as two lines Being Seen at Night: Retroreflection and HeaA high-visibility coat shown flat with the fluorescent panels and the retroreflective bands distinguished, beside two detail circles showing clean tapA high-visibility coat shown flat with the fluorescent panels and the retroreflective bands distinguished, besKeeping High-Visibility Clothing Effective: Simple line-art illustration of an assembly point marker post on open ground with a building outline in the background.Simple line-art illustration of an assembly point marker post on open ground with a building outline in the baExplosion and Fire Emergency Response PlanniSimple line-art illustration of a mobile phone and a small torch placed in a storage locker outside a marked area boundary.Simple line-art illustration of a mobile phone and a small torch placed in a storage locker outside a marked aPersonal Electronic Devices and Ignition SouSimple line-art illustration of a storage vessel with an inert gas supply line entering at the top and a vent line leaving at the opposite side.Simple line-art illustration of a storage vessel with an inert gas supply line entering at the top and a vent Purging and Inerting ProceduresSimple line-art illustration of a non-sparking bronze wrench beside a handheld intrinsically safe torch.Simple line-art illustration of a non-sparking bronze wrench beside a handheld intrinsically safe torch.Non-Sparking Tools and Intrinsically Safe EqSimple line-art illustration of a bonding strap connected across a flanged pipe joint between two pipe sections.Simple line-art illustration of a bonding strap connected across a flanged pipe joint between two pipe sectionGrounding and Bonding for Fixed Equipment anSimple line-art illustration of a one-piece antistatic coverall with a zip closure and elasticated cuffs.Simple line-art illustration of a one-piece antistatic coverall with a zip closure and elasticated cuffs.Selecting Antistatic and Flame-Resistant CloSimple line-art illustration of a warehouse aisle with clear space maintained between racking rows and a sprinkler head visible overhead.Simple line-art illustration of a warehouse aisle with clear space maintained between racking rows and a sprinWarehouse Fire Safety and Storage ConfiguratSimple line-art illustration of stacked pallets with heavier boxes at the base and progressively lighter boxes toward the top.Simple line-art illustration of stacked pallets with heavier boxes at the base and progressively lighter boxesSafe Stacking and Load Securing for StorageSimple line-art illustration of a pallet truck with its forks lowered under a pallet on a level floor.Simple line-art illustration of a pallet truck with its forks lowered under a pallet on a level floor.Safe Use of Pallet Trucks and Hand TrucksSimple line-art illustration of a warehouse racking upright with a visible bend near its base, next to an undamaged upright for reference.Simple line-art illustration of a warehouse racking upright with a visible bend near its base, next to an undaRacking Inspection and Load LimitsTechnical line-art diagram comparing three high-visibility garments: a Class 1 vest with a single reflective band, a Class 2 vest with torso and shoulTechnical line-art diagram comparing three high-visibility garments: a Class 1 vest with a single reflective bHi-Vis Clothing Classes: EN ISO 20471 ExplaiSimple line-art illustration of two metal drums connected by a bonding cable, with a separate grounding cable running to an earth stake.Simple line-art illustration of two metal drums connected by a bonding cable, with a separate grounding cable Flammable Liquid Handling and Static ControlSimple line-art illustration of absorbent spill socks laid in a ring around a small chemical spill on a floor.Simple line-art illustration of absorbent spill socks laid in a ring around a small chemical spill on a floor.Spill Response and ContainmentSimple line-art illustration of two chemical storage cabinets separated by a solid physical partition wall.Simple line-art illustration of two chemical storage cabinets separated by a solid physical partition wall.Chemical Storage: Segregation and IncompatibSimple line-art illustration of a chemical drum with a diamond-shaped hazard symbol and a flame symbol printed on its side.Simple line-art illustration of a chemical drum with a diamond-shaped hazard symbol and a flame symbol printedSafety Data Sheets and Hazard CommunicationSimple line-art illustration of a one-piece chemical protective coverall with a sealed hood and elasticated cuffs.Simple line-art illustration of a one-piece chemical protective coverall with a sealed hood and elasticated cuChemical Protective Clothing: EN 14605 versuSimple line-art illustration of a fire extinguisher and an alarm call point mounted on a wall near a hot work area.Simple line-art illustration of a fire extinguisher and an alarm call point mounted on a wall near a hot work Fire Response and Emergency Planning for HotSimple line-art illustration of a flame-resistant welding curtain hung on a frame enclosing a work area, extending to the floor.Simple line-art illustration of a flame-resistant welding curtain hung on a frame enclosing a work area, extenWelding Screens and Curtains for Bystander PSimple line-art illustration of a fire-resistant welding blanket draped over combustible material near a work area.Simple line-art illustration of a fire-resistant welding blanket draped over combustible material near a work Spark and Slag Control: Housekeeping for HotSimple line-art illustration of an oxy-fuel cutting torch with flashback arrestors fitted at the hose connections.Simple line-art illustration of an oxy-fuel cutting torch with flashback arrestors fitted at the hose connectiOxy-Fuel Cutting HazardsSimple line-art illustration of gas cylinders secured upright by a chain against a wall bracket, protective caps fitted.Simple line-art illustration of gas cylinders secured upright by a chain against a wall bracket, protective caGas Cylinder Handling and Storage for WeldinSimple line-art illustration of a fire extinguisher positioned beside a welding work area with a covered floor drain nearby.Simple line-art illustration of a fire extinguisher positioned beside a welding work area with a covered floorHot Work Permits and Fire WatchSimple line-art illustration of a flame-resistant welding jacket with a stand-up collar and covered front closure.Simple line-art illustration of a flame-resistant welding jacket with a stand-up collar and covered front closFlame-Resistant Welding Clothing: EN ISO 116Simple line-art illustration of a tree canopy swaying in wind with a small wind-speed indicator flag beside it at ground level.Simple line-art illustration of a tree canopy swaying in wind with a small wind-speed indicator flag beside itWeather Limits for Tree Work: Wind and Its ESimple line-art illustration of a worker dragging a brash branch by the butt end while walking forward, keeping the load trailing behind rather than cSimple line-art illustration of a worker dragging a brash branch by the butt end while walking forward, keepinBrash and Debris Handling: Manual Handling RSimple line-art illustration of a tree with two diagonal escape route paths marked leading away from the anticipated felling direction on either side.Simple line-art illustration of a tree with two diagonal escape route paths marked leading away from the anticFelling Cuts: Planning the Escape Route BefoSuspension relief straps deployed: standing in the loops unloads the thigh straps and lets the calf muscles restore some venous return - possible onlySuspension relief straps deployed: standing in the loops unloads the thigh straps and lets the calf muscles reSuspension Trauma: Why Minutes MatterAfter release, manage the casualty by standard first aid principles and lay them flat as their condition requires - the older advice to keep them sittAfter release, manage the casualty by standard first aid principles and lay them flat as their condition requiSuspension Trauma: Why Minutes MatterLeft: rescue link adjusted short, casualty's chest below the rescuer's, head supported. Right: link too long — head unsupported, casualty out of reachLeft: rescue link adjusted short, casualty's chest below the rescuer's, head supported. Right: link too long —Accompanied Descent Rescue: How the ManoeuvrSchematic 3:1 hauling system with strand tensions labelled T, eta T and eta squared T, alongside a bar chart of delivered mechanical advantage at fourSchematic 3:1 hauling system with strand tensions labelled T, eta T and eta squared T, alongside a bar chart oPulley Efficiency: What the Numbers MeanDiagram of a locking carabiner spine with callouts identifying manufacturer, model, EN 362 standard and class letter, kN strength figures, CE mark andDiagram of a locking carabiner spine with callouts identifying manufacturer, model, EN 362 standard and class Reading the Markings on a ConnectorThree-panel diagram showing the major-axis, minor-axis and gate-open loading pictograms marked on connectors, with arrows indicating load direction inThree-panel diagram showing the major-axis, minor-axis and gate-open loading pictograms marked on connectors, Reading the Markings on a ConnectorComparison diagram of a carabiner with legible markings versus one whose serial number and class letter have been abraded away, showing loss of traceaComparison diagram of a carabiner with legible markings versus one whose serial number and class letter have bReading the Markings on a ConnectorDecision flow diagram showing how casualty position, clear space below and extraction path determine whether to use a lowering kit, a retrieval winch Decision flow diagram showing how casualty position, clear space below and extraction path determine whether tSelecting a Rescue Kit for the TaskSide-by-side diagram comparing a pre-rigged lowering kit with a lower-and-short-raise kit including a small haul set and progress capture deviceSide-by-side diagram comparing a pre-rigged lowering kit with a lower-and-short-raise kit including a small haSelecting a Rescue Kit for the TaskDiagram marking gear loops, haul loop, strap keepers, adjusters and a single sternal loop as points that must not be used for a restraint tetherDiagram marking gear loops, haul loop, strap keepers, adjusters and a single sternal loop as points that must Which Attachment Points to Use for RestraintDiagram comparing oval, offset-D and pear-shaped connectors in a pulley attachment hole, showing how each shape positions the pulleyDiagram comparing oval, offset-D and pear-shaped connectors in a pulley attachment hole, showing how each shapChoosing Connectors for Hauling and PulleysInspection diagram of a hauling connector showing wear groove at the pulley bearing surface, nose deformation, sleeve travel and spine checksInspection diagram of a hauling connector showing wear groove at the pulley bearing surface, nose deformation,Choosing Connectors for Hauling and PulleysLabelled line diagram of a locking connector showing spine, gate, hinge, nose, keeper, locking sleeve and basket, with major and minor axes markedLabelled line diagram of a locking connector showing spine, gate, hinge, nose, keeper, locking sleeve and baskConnector Basics: Gates, Axes and LoadingThree-panel diagram comparing correct major-axis loading with cross-loading on the minor axis and three-way loading of a connectorThree-panel diagram comparing correct major-axis loading with cross-loading on the minor axis and three-way loConnector Basics: Gates, Axes and LoadingFour-panel diagram of gate-open failure modes: nose snag, gate pressed against structure, blocked locking sleeve and roll-out from an oversized ringFour-panel diagram of gate-open failure modes: nose snag, gate pressed against structure, blocked locking sleeConnector Basics: Gates, Axes and LoadingThree-panel diagram comparing correct basket seating, a connector forced onto a large bar and bearing on the gate, and a large-opening connector fitteThree-panel diagram comparing correct basket seating, a connector forced onto a large bar and bearing on the gChecking Connector Compatibility: A Field MeComparison diagram of oval, offset D, HMS pear and semi-circular maillon connectors with arrows showing how each shape directs the load pathComparison diagram of oval, offset D, HMS pear and semi-circular maillon connectors with arrows showing how eaConnector Shapes and Where Each BelongsDiagram of an HMS pear connector used correctly with a hitch and second connector, plus cross-loading and gate-loading faults marked as incorrectDiagram of an HMS pear connector used correctly with a hitch and second connector, plus cross-loading and gateConnector Shapes and Where Each BelongsLine diagram of a two-stage auto-locking connector showing the sleeve being twisted and then the gate pushed open, with the sleeve spring-returning toLine diagram of a two-stage auto-locking connector showing the sleeve being twisted and then the gate pushed oConnector Locking Systems Compared: Screw-LoComparison diagram of a three-stage auto-locking connector requiring slide, twist and open, alongside a simpler two-stage twist-and-open mechanismComparison diagram of a three-stage auto-locking connector requiring slide, twist and open, alongside a simpleConnector Locking Systems Compared: Screw-LoLine diagram of a manually threaded screw-lock connector showing the sleeve being wound down until it seats against the nose, with unlocked and lockedLine diagram of a manually threaded screw-lock connector showing the sleeve being wound down until it seats agConnector Locking Systems Compared: Screw-Lo