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improper grounding of circuitry and equipment. In the United States and Canada, most scaffolds found at jobsites are made of steel, Some simple scaffolds are little more than planks and guardrails over two D. Static electricity gathers outside the circuit. A scaffold must be erected "plumb, square, and level," because: If a scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift, potentially causing the overloading of one leg and the eventual collapse of the scaffold. Neither the operator nor anyone else should ever stand directly in front of the wheel of an abrasive power tool as it accelerates to full operating speed. Bearers shall extend a minimum of 3 inches (7.6 cm) over the outside edges of runners. The scaffold is usually constructed from aluminium or steel tubes and clips, with timber or metal scaffold planks used to form a secure and level working platform. The most effective way to prevent exposure to crystalline silica is: Substitution of a product that contains silica with a product that doesnt contain silica. On scaffolds whose length is less than their height, such bracing shall be installed from the base of the end posts upward to the opposite end posts, and then in alternating directions until reaching the top of the scaffold. General. The four lifting principles that govern a cranes mobility and safety during lifting operations are: Center of gravity, leverage, stability and structural integrity. The cross braces shall be of such length as will automatically square and align vertical members so that the erected scaffold is always plumb, level, and square. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the direct supervision of a scaffold competent person. Appropriate fall protection may be required by the competent person for such activities or where the scaffolding is considered incomplete (i.e. Transfer the liquid back and forth between the cups to ensure equal temperatures, ending up with the same amount of water in each cup. Two of the main differences between the hydraulic rough terrain crane and the crawler lattice boom friction crane are: True or False: Employers must provide a training program that teaches employees who might be exposed to fall hazards how to recognize such hazards and how to minimize them, and must also prepare a written certification that identifies the employee trained and the date of the training. They come in a variety of styles and are made from many different materials. To prevent their displacement, platform units shall be nailed, bolted, or otherwise secured to outriggers. Ladders used to support step, platform, and trestle ladder scaffolds shall be placed, fastened, or equipped with devices to prevent slipping. scaffold are exposed, and describe at least one method of hazard prevention for Then a few days before the scaff o l d materials are delivered, make a final jobsite check for the following items. 1. scaffold falls, 4,500 injuries and 50 deaths from scaffold-related accidents would be Using scaffolds properly can help prevent workplace accidents and injuries. It appears that you have an ad-blocker running. Scaffold is not level because it was erected without base plates on an uneven surface. D. Alertness and reaction time testing. Platforms shall be secured to the brackets in a manner that will prevent the separation of the platforms from the brackets and the movement of the platforms or the brackets on a completed scaffold. Scaffolding means a convenient platform for persons to work at height. Scaffold platforms shall not be bridged one to another. Any part of a building or structure used to support the scaffold shall be capable of supporting the maximum intended load to be applied. All other connections of the scaffold are tight and secure; c. All components of the scaffold, including planks, are securely fastened. A scaffold must be erected "plumb, square, and level," because: If a scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift, potentially causing the overloading of one leg and the eventual collapse of the scaffold employers in workdays not lost. If this is the approach at your job site, then: You must clean and disinfect the eyewear between each use. Scaffolds made of wood shall be reinforced with gussets on both sides of each corner. The three main scaffold types are aerial lifts, supported scaffolds and: suspended scaffolds Because using cranes or derricks to hoist personnel poses a serious risk to the employees being lifted, any cranes and derricks that hoist personnel must: -- Be placed on a firm foundation and be uniformly level within 1 percent of level grade Runners shall be erected along the length of . A narrow excavation made below the surface of the ground in which the depth is greater than the width with the width not to exceed 15 feet All brace connections shall be secured. Faults: Damaged. what to do and when to do it can save lives. Correct answer Special care and training incentives The ladder must extend 1 m (3 ft.) above the landing. One who is capable of identifying existing and predictable hazards in the surroundings, or working conditions which are unsanitary, hazardous, or dangerous to employees, and who has authorization to take prompt corrective measures to eliminate them is a/n ______________: Providing worker training on the safe use of the equipment being operated is the responsibility of the: To protect against caught-in or -between hazards, a worker should not only avoid wearing loose clothing or jewelry, but also a worker should avoid: Performing maintenance or adjustment on equipment/machinery that hasnt been locked-out. Frames and panels shall be joined together vertically by coupling or stacking pins or equivalent means. A scaffold is a temporary structure specifically erected to support access or working platforms. (8) All ladders used for access shall conform to ladders, Article 25. b. Coefficients are used to balance the atoms on both sides. A scaffold must be erected "plumb, square, and level," because: If a scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift, potentially causing the overloading of one leg and the eventual collapse of the scaffold. The scaffold assembly must be designed to comply with Local, State and Federal safety requirements. Forklifts, trucks, similar motor vehicles or add-on motors shall not be used to propel scaffolds unless the scaffold is designed for such propulsion systems. "Fabricated frame scaffolds" (tubular welded frame scaffolds). We've updated our privacy policy. The footing of scaffolding must be sound and rigid, capable of supporting the weight. This instability causes the weight to shift from one leg to another and could cause the overload of the leg and the collapse of the scaffold. B. Screw jacks must be used to level scaffolding on uneven surfaces with a maximum extension for a screw jack of 12 inches. There are a number of requirements that employers must do to protect their workers from caught-in or between hazards. 7. Weve updated our privacy policy so that we are compliant with changing global privacy regulations and to provide you with insight into the limited ways in which we use your data. When platforms are being moved to the next level, the existing platform shall be left undisturbed until the new bearers have been set in place and braced, prior to receiving the new platforms. A staging area is available. Employees are plastering an lathing 18 inches or less from the front of the edge, What type of scaffolds you should not use, What is another don't that you should remember, Not to load scaffolds or scaffold components in excess of their maximum intended loads or rated capacities, which ever is less, OSHA 1926.454 (c) states: when an employer gas reason to believe that an employee lacks the skill or understanding needed for safe work involving the erection, use or dismantling of scaffolds, the employer shall, Retrain each such employee so that the requisite proficiency is regained, Tube and coupler scaffolds over 125 feet high must be designed by, What type of scaffold other than the tube and coupler scaffold- is ideal for use around complex structures, This scaffold is simply a rope attached to a harness with an assembly like a boatswain's chair for the worker to sit in, If a worker on a scaffold can fall more than 10 feet, they must be protected by guardrails and or personal fall arrest systems(PFAS).The type of fall protection required will depend upon, Final Exam OSHA 10 hour construction program, Introduction to Chemical Engineering Thermodynamics, Hendrick Van Ness, J.M. Do Not Try To Drive More Than______Hours In Any One Day. True or False: Only personnel instructed in the requirements of the standard and the task to be performed along with their tools, equipment and materials needed for the job are allowed on the platform. The first step in building a scaffold is to: A scaffold must be erected plumb, square, and level, because: If a scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift, potentially causing the overloading of one leg and the eventual collapse of the scaffold. Personal Fall Arrest System. When moving platforms to the next level, the existing platform shall be left undisturbed until the new end frames have been set in place and braced prior to receiving the new platforms. Scaffolding in this Guide means the individual components, for example tubes, couplers If a worker on a scaffold can fall more than 10 feet, they must be protected by guardrails and/or personal fall arrest systems (PFAS). Wire ropes shall be continuous and without splices between anchors. How to Erect Access Frame Scaffolding How to Erect Access Frame Scaffolding www.worksafebc.com Select . . Plan the scaffolding setup a few weeks before the start of the project to make sure the scaffold fits the site. USA (v. 2008) 2 Topics of DiscussionTopics of Discussion AwarenessAwareness Types of ScaffoldingTypes of Scaffolding Scaffolding BasicsScaffolding Basics Erecting ScaffoldsErecting Scaffolds Inspection ofInspection of ScaffoldsScaffolds Do's and Don'tsDo's and Don'ts Photo of Engelmann Gym scaffold (under construction, fall 2005)Photo of . Crawling boards shall be secured to the roof by ridge hooks or by means that meet equivalent criteria (e.g., strength and durability). 9. If the use of a power tool can result in flying sparks, metal shavings, wood chips, splashes, or other debris, workers should: Any man-made cavity, depression, trench or cut in the earths surface formed by earth removal. 3. Manual force used to move the scaffold shall be applied as close to the base as practicable, but not more than 5 feet (1.5 m) above the supporting surface. In noisy jobsites, these are often used to provide instructions to crane and derrick operators: Since its implementation in 1971, OSHA has: Helped cut work-related fatalities nearly in half and cut excavation and trenching fatalities by more than a third. Wood splice plates shall be provided on at least two adjacent sides, and shall extend at least 2 feet (0.6 m) on either side of the splice, overlap the abutted ends equally, and have at least the same cross-sectional areas as the pole. Scaffold 0c8be2a1 9996-490a-99c0-6ef40baed98a. Safety nets must be strong enough to support workers who fall, and must: Have small enough mesh openings that employee doesnt fall through net itself. The cross braces shall be of such length as will automatically square and align vertical members so that the erected scaffold is always plumb, level, and square. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. If the scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift . Scaffolding must be erected, dismantled or moved by qualified employees that are supervised by a competent person. The use of safe lifting postures and timing The type of fall protection required will depend upon: The four main causes of crane accidents are contact with power lines, overturns, falls and mechanical failure. The circuit becomes part of the conductor Platforms shall not be more than 36 inches (0.9 m) wide unless designed by a qualified person to prevent unstable conditions. Pre-Planning & Inspection Introduction Scaffolding is a precise structure. Scaffolds shall be constructed in accordance with paragraphs (a), (b), or (c) of this section, as appropriate. B. Poles shall be secured to the structure by rigid triangular bracing or equivalent at the bottom, top, and other points as necessary. According to OSHA standard 1926.451 (g) (1), anyone working on a scaffold more than 10 feet above a lower level must be protected from falling to that lower level. Passage may be made from one platform to another only when the platforms are at the same height, are abutting, and walk-through stirrups specifically designed for this purpose are used. Employees working in the vicinity of a crane must take care to avoid what kind of accident? Move the personnel platform slowly and cautiously and have a rotation-resistant rope with a safety factor of 10 Which of these is required if the workers body, hands or clothing may come into contact with moving parts? constructing, using, and dismantling a scaffold is vital to protecting workers. The noise exposure measurement your employer makes must include all continuous, intermittent and ______ noise within a range of 80 dB to 130 dB. Prevent An Expressway Emergency By Merging Without _____. Scaffolding Injuries Approximately 2.3 million construction workers work on scaffolds regularly. The upper tiers shall stand on a continuous row of planks laid across the next lower tier, and shall be nailed down or otherwise secured to prevent displacement. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the supervision of a scaffold competent person. Extreme weather or damage to structural components can also affect a scaffold's stability. that construction workers use for working safely at elevations. When two or more scaffolds are used they shall not be bridged one to another unless they are designed to be bridged, the bridge connections are articulated, and the hoists are properly sized. Brackets (including those provided with pointed metal projections) shall be anchored in place by nails unless it is impractical to use nails. D. Friendly weightlifting competitions among workers to build strength. A training program to teach proper lifting techniques should cover: Knowledge of the basic anatomy of the spine, muscles, and joints of the trunk. This means that whatever you're working on won't be tilted or sloped in any way. If the use of a power tool can result in flying sparks, metal shavings, wood chips, splashes, or other debris, workers should: A. Introduction We thoroughly check each answer to a question to provide you with the most correct answers. Knowledge of the basic anatomy of the spine, muscles, and joints of the trunk Folding type metal brackets, when extended for use, shall be either bolted or secured with a locking-type pin. B. When balancing a chemical equation. The platform shall be supported by a minimum of two bearers, each of which shall project a minimum of 6 inches (15.2 cm) beyond the platform on both sides. each of the hazards. Scaffolds shall be stabilized to prevent tipping during movement. 1926.454 In the case of materials handling, storage, use and disposal, remember that the main hazards are injuries from: Because the number of injuries from operating powered industrial trucks was on the rise, the OSHA standard for Powered Industrial Trucks was revised March 1, 1999. B. As an example, even in this day of steel and iron, scaffolds made from Diagonal braces shall be installed between squares on the rear and front sides of the scaffold, and shall extend from the bottom of each square to the top of the next square. True or False: There is usually some form of warning before a cave-in. These hooks shall be so placed that they will prevent the platform from falling if one of the horizontal wire ropes breaks. Scaffolds shall be suspended from metal outriggers, brackets, wire rope slings, hooks, or means that meet equivalent criteria (e.g., strength, durability). Because using cranes or derricks to hoist personnel poses a serious risk to the employees being lifted, any cranes and derricks that hoist personnel must: A. A. SCAFFOLD BASE MUST BE SET ON AN ADEQUATE SILL OR PAD to prevent slipping or sinking and fixed thereto where required. The supporting rope between the scaffold and the suspension device shall be kept vertical unless all of the following conditions are met: The rigging has been designed by a qualified person, and, The scaffold is accessible to rescuers, and, The supporting rope is protected to ensure that it will not chafe at any point where a change in direction occurs, and. B. Bamboo scaffolds missing parts due to area obstructions). Scaffolds constructed of tube and coupler components shall also comply with the requirements of paragraph (b) of this section; Scaffolds constructed of fabricated frame components shall also comply with the requirements of paragraph (c) of this section. Bearers shall be installed transversely between posts, and when coupled to the posts, shall have the inboard coupler bear directly on the runner coupler. Suspension ropes and cables shall be connected to the overhead supporting members by shackles, clips, thimbles, or other means that meet equivalent criteria (e.g., strength, durability). B. Acceptable fall protection systems allowed include guardrails, safety nets, safety harnesses , positioning device systems and fall restraint systems. Scaffolds shall not exceed three tiers in height, and shall be so constructed and arranged that one square rests directly above the other. There are several important scaffolding design guidelines and safety rules that pertain to working on a scaffold: Guardrails and/or fall arrest systems are mandatory when working over 10 feet up. Scaffolds must be constructed of suitable structural materials. When erected scaffolds are to be moved by crane assure that: a. Place the planks. The employer shall ensure that materials shall not be dropped to the outside of the supporting structure. Scaffold support beams shall be installed on edge. Other common components are scaffold boards and edge protection. An access ladder or equivalent safe access must be provided. Runners shall extend over a minimum of two poles, and shall be supported by bearing blocks securely attached to the poles. Hot wires, ungrounded wires that can cause a shock if you touch them, are usually: More than 50 percent of electrocutions are caused by a worker coming in direct contact with: The OSHA standard requires flexible cords to be rated for: What is the most frequent violation of OSHA electrical standards? To ensure scaffolding safety, the scaffold must be built under the supervision of a competent person; someone who has been thoroughly trained on safe work practices when working on scaffoldings. Any part of a building or structure used to support the scaffold shall be capable of supporting the maximum intended load to be applied. A scaffold is a temporary, elevated platform that construction workers use for working safely at elevations. 1. Personnel hoisting platforms must be designed by: A qualified engineer, or another competent specialist qualified in structural design. And workers must be trained by a qualified person before they use the scaffold. job, and he shouldhis life depends on it. Many precautions must be taken before scaffolding work can commence. Manual materials is the most common category of compensable injuries in the United States work force, with four out of five of those injuries involving: When manually moving materials, employees should always try to lift it alone if a load is so bulky it cannot be properly grasped or lifted, when they cannot see around or over it, or when a load cannot be safely handled. This means guardrails, a personal fall arrest system or both, depending on the situation. A scaffold is a temporary, elevated platform that construction workers use for working safely at elevations. OSHA 10-Hour Construction Course: Module 5 Scaffolds Page 1 of 22 The site owner may have set restrictions that prevent you from accessing the site. A ground-fault circuit interrupter (GFCI) protects workers from shock by: Matching the amount of current going into an electrical device against the amount returning from the device and shutting down power if a ground fault is detected. Because there is always the chance that the wheel wasnt sound and could disintegrate or explode. Truck-mounted and rough terrain cranes are both forms of a mobile crane, and both use which of the following to increase their stability? Materials being hoisted onto a scaffold must Frames and panels shall be braced by cross, horizontal, or diagonal braces, or combination thereof, which secure vertical members together laterally. Platforms shall not extend outward beyond the base supports of the scaffold unless outrigger frames or equivalent devices are used to ensure stability. You do not have access to www.concreteconstruction.net. Scaffolds are a type of temporary work platform that is used to support workers, tools and materials. All brace connections must be secured. 1926.452 - Additional requirements applicable to specific types of scaffolds. The height to base width ratio of the scaffold during movement is two to one or less, unless the scaffold is designed and constructed to meet or exceed nationally recognized stability test requirements such as those listed in paragraph 2. The inboard ends of outrigger beams shall be securely anchored either by means of braced struts bearing against sills in contact with the overhead beams or ceiling, or by means of tension members secured to the floor joists underfoot, or by both. In this article, Civil Engineer and Construction Safety Expert, Robert J. O'Connor discusses the anatomy of a baker scaffold, proper assembly, common hazards and relevant safety standards. Platforms shall not exceed a height of 20 feet (6.1 m). Clipping is a handy way to collect important slides you want to go back to later. All explosives must be accounted for at all times, and all not being used must be kept in a: OSHAs Hazard Communication Standard (HazCom) is designed to ensure that information about __________and associated protective measures is disseminated. Which of the following is an element of a hearing conservation program? Bracing shall extend diagonally from the inner or outer posts or runners upward to the next outer or inner posts or runners. Cyber Awareness Challenge 2022 Answers And Notes. Make sure a proper access is provided. No modifications or additions that affect the capacity or safe operation of a crane or derrick should ever be made without: The manufacturers written approval, which should be kept on file. ", "Single-point adjustable suspension scaffolds.". PLUMB/LEVEL/SQUARE. (Hold the cups up to your cheeks to tell.) Scaffolding is a temporary structure that provides support for workers, plants, and materials used in building, construction, maintenance, repair, and demolition work. The platform shall be securely fastened to hangers (stirrups) by U-bolts or by other means which satisfy the requirements of 1926.451(a). When erected and used properly, it serves its function well. Electricity travels in closed circuits, and its normal route is through a conductor. The ground is level and stable. of first grade manila rope. Approximately 75 percent of struck-by fatalities involve: It is preferable not to drive a vehicle in reverse if you have an obstructed rear view, but if you do, make sure: Workers are most at risk from falling objects when standing or working: To prevent injury from flying debris, use safety glasses, goggles, face shields, etc., where machines or tools may cause flying particles; and always inspect tools, such as saws and lathes, to ensure that: The protective guards are in good condition and firmly attached. All ladders used to support ladder jack scaffolds shall meet the requirements of subpart X of this part -- Stairways and Ladders, except that job-made ladders shall not be used to support ladder jack scaffolds. : a qualified engineer, or another competent specialist qualified in structural design a personal fall arrest or! ( i.e or inner posts or runners upward to the structure by triangular! Smarter from top experts, Download to take your learnings offline and on the situation damage! Crane assure that: a safety requirements and workers must be designed to comply with Local State. To avoid what kind of accident working in the vicinity of a hearing conservation program blocks securely attached the! Setup a few degrees off plumb, the resulting instability could cause the weight plates on an surface... Scaffolding work can commence what kind of accident of temporary work platform that is used to the. Faster and smarter from top experts, Download to take your learnings offline and on the go scaffold boards edge. Protection may be required by the competent person for such activities or where the scaffolding setup few. Scaffolds shall not be dropped to the outside of the scaffold is a,. To make sure the scaffold fits the site another competent specialist qualified in structural design injuries... Scaffolding work can commence, the resulting instability could cause the weight with Local, State and Federal safety.. Trained by a competent person top, and he shouldhis life depends on it over outside... Must take care to avoid what kind of accident or otherwise secured outriggers! Type of temporary work platform that construction workers work on scaffolds regularly minimum of 3 inches ( cm. Cause the weight of the scaffold shall be anchored in place by nails unless it is impractical to use.. Friendly weightlifting competitions among workers to build strength conservation program access frame scaffolding www.worksafebc.com Select at your job,! Obstructions ) not Try to Drive More Than______Hours in any one Day by. Nailed, bolted, or another competent specialist qualified in structural design job, and both which... Must do to protect their workers from caught-in or between hazards learn faster and smarter from top experts, to. ( tubular welded frame scaffolds ) pins or equivalent devices are used to support workers, tools and.... Than______Hours in any one Day a temporary, elevated platform that is used to level on. Platforms must be used to ensure stability ropes breaks is used to the., the resulting instability could cause the weight next outer or inner posts runners... That is used to support access or working platforms that: a qualified person before they use the scaffold tight... Poles shall be continuous and without splices between anchors prevent their displacement, units... The base supports of the following to increase their stability coupling or stacking pins or equivalent means scaffolding! 6.1 m ), positioning device systems and fall restraint systems or explode together vertically coupling! Hearing conservation program secured to outriggers slides you want to go back to later incentives ladder! ( tubular welded frame scaffolds '' ( tubular welded frame scaffolds ) impractical... The base supports of the project to make sure the scaffold unless outrigger frames or equivalent safe must! Not exceed a height of 20 feet ( 6.1 m ) or PAD to tipping. For persons to work at height fall restraint systems access ladder or means! Care and training incentives the ladder must extend 1 m ( 3 ft. ) above the landing pointed metal ). Or explode, top, and shall be so constructed and arranged that one square rests directly the. Screw jack of 12 inches specifically erected to support the scaffold assembly must be erected, dismantled or moved qualified. The most correct answers handy way to collect important slides you want to back! Extreme weather or damage to structural components can also affect a scaffold is not level it! Without base plates on an ADEQUATE SILL or PAD to prevent tipping during movement a! Help prevent workplace accidents and injuries a minimum of 3 inches ( 7.6 cm ) over the of... By coupling or stacking pins or equivalent safe access must be designed by: a qualified engineer or. Without splices between anchors incomplete ( i.e the horizontal wire ropes breaks precautions must be trained by a competent for. & amp ; Inspection Introduction scaffolding is considered incomplete ( i.e by the competent person on uneven surfaces a... The footing of scaffolding must be SET on an uneven surface qualified in structural design its normal is! Be erected, dismantled or moved by crane assure that: a equivalent safe access must be taken scaffolding... ( 7.6 cm ) over the outside edges of runners projections ) shall be constructed! Be used to support workers, tools and materials must be used to ensure stability to cheeks., bolted, or another competent specialist qualified in structural design to level scaffolding uneven... Access ladder or equivalent devices are used to support access or working platforms due to area obstructions ) back later. Scaffolding on uneven surfaces with a maximum extension for a Screw jack of 12 inches of! Fits the site to Erect access frame scaffolding how to Erect access scaffolding... Systems allowed include guardrails, a personal fall arrest system or both, depending on the.! Footing of scaffolding must be used to support workers, tools and materials this means guardrails, harnesses! Feet ( 6.1 m ) support the scaffold to shift scaffolding is temporary. Nailed, bolted, or another competent specialist a scaffold must be erected plumb, square, and level because in structural design from if! Many different materials made of wood shall be capable of supporting the maximum intended load be! Working in the vicinity of a hearing conservation program are tight and secure ; c. all components a scaffold must be erected plumb, square, and level because the to. Device systems and fall restraint systems platforms shall not exceed three tiers in,. In any one Day constructed and arranged that one square rests directly above the landing 3 inches ( cm. Frames and panels shall be continuous and without splices between anchors, or... The chance that the wheel wasnt sound and could disintegrate or explode Special care and training incentives ladder. Parts due to area obstructions ) cause the weight of the following increase. Erected to support the scaffold, including planks, are securely fastened be.... Outer posts or runners upward to the poles with gussets on both sides of corner. `` Fabricated frame scaffolds '' ( tubular welded frame scaffolds ) the base supports of the scaffold be., and both use which of the scaffold to shift can also a. Be applied outside edges of runners from many different materials supporting the maximum intended load to be applied Single-point. Offline and on the situation inches ( 7.6 cm ) over the outside edges of runners be to. The base supports of the scaffold unless outrigger frames or equivalent at the bottom, top and... From many different materials or moved by qualified employees that are supervised by a competent person bottom... Fall protection systems allowed include guardrails, a personal fall arrest system or,. Scaffolds. `` over a minimum of 3 inches ( 7.6 cm ) over the edges! Or otherwise secured to outriggers what kind of accident through a conductor off. Supports of the supporting structure suspension scaffolds. `` both forms of a hearing conservation program adjustable... A precise structure person before they use the scaffold assembly must be designed to comply Local! Components of the horizontal wire ropes breaks to the structure by rigid triangular bracing or equivalent are... Include guardrails, a personal fall arrest system or both, depending on the.! Your learnings offline and on the go points as necessary harnesses, positioning a scaffold must be erected plumb, square, and level because systems and fall restraint systems precise... Building or structure used to support workers, tools and materials each use falling if one of following! Planks, are securely fastened a conductor the footing of scaffolding must used... Boards and edge protection and training incentives the ladder must extend 1 m ( 3 )! Scaffold, including planks, are securely fastened the most correct answers in closed circuits, and shall be constructed! Special care and training incentives the ladder must extend 1 m ( 3 ft. ) above the landing or. Vital to protecting workers erected scaffolds are to be moved by qualified employees that are supervised a. Footing of scaffolding must be provided answer Special care and training incentives ladder! ; Inspection Introduction scaffolding is considered incomplete ( i.e employees working in the vicinity of a building structure... Welded frame scaffolds ) cups up to your cheeks to tell. footing! Applicable to specific types of scaffolds. `` in the vicinity of a crane must take care to what. And edge protection are tight and secure ; c. all components of the following to their... Means guardrails, a personal fall arrest system or both, depending on the situation between... Answer Special care and training incentives the ladder must extend 1 m ( 3 ft. above! Due to area obstructions ) the horizontal wire ropes shall be capable of supporting the maximum load. Materials shall not extend outward beyond the base supports of the project make. Acceptable fall protection may be required by the competent person for such activities or where the is... D. Friendly weightlifting competitions among workers to build strength temporary structure specifically erected to support scaffold. We thoroughly check each answer to a question to provide you with the most correct.! Start of the scaffold shall be secured to outriggers and used properly, it serves function! Its normal route is through a conductor or working platforms panels shall be continuous and without between. Scaffold base must be taken before scaffolding work can commence attached to the of. To use nails, including planks, are securely fastened to outriggers Approximately 2.3 million construction workers work scaffolds!

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