No employee is on any part of the scaffold which extends outward beyond the wheels, casters, or other supports. The following are the phases that need to be considered for safe installation and use of scaffolding: 1. That's one of the reasons why we need to keep it inspected - for safety sake! improper grounding of circuitry and equipment. Power systems used to propel mobile scaffolds shall be designed for such use. d. Phases are often shown for each compound but are not critical to balancing an equation. Every element of your orientation must be exact. Identify site specific hazards not identified in the preplanning stage. The scaffold is positioned so that swinging cannot bring the scaffold into contact with another surface. Employers must provide employees with effective information and training on hazardous chemicals in their work area: At the time of their initial assignment. 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. The fulcrum point of outrigger beams shall rest on secure bearings at least 6 inches (15.2 cm) in each horizontal dimension. (b) Tube and Coupler Scaffolds. Safety footwear has to meet minimum compression and impact performance standards, set by: Gloves that are chemically resistant are usually made from: True or False: Full-body protection is sometimes made from materials such as duck, paper-like fiber, or rubberized fabrics, depending upon the hazard. Personal Fall Arrest System. Safe access above 2 feet. ", "Single-point adjustable suspension scaffolds.". Transverse bracing forming an "X" across the width of the scaffold shall be installed at the scaffold ends and at least at every third set of posts horizontally (measured from only one end) and every fourth runner vertically. C. Wear goggles or safety spectacles that construction workers use for working safely at elevations. Employees working in the vicinity of a crane must take care to avoid what kind of accident? A noise level of 95 dB is ______ than the lowest level at which hearing protection is required (85 dB), and your exposure should be limited to six hours or less. B. Scaffolds are plumb, square, level and situated on base . disadvantages. Where wooden poles are spliced, the ends shall be squared and the upper section shall rest squarely on the lower section. Guardrails should be between 38" and 45" high. All brace connections shall be secured. Which industries are employees potentially exposed to silica dust: Anytime an adapter is used to accommodate a two-hole receptacle, the adapter wire must: 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). "Plasterers', decorators', and large area scaffolds." True or False: There is usually some form of warning before a cave-in. All vertical joints of the scaffold are attached and secured by bolts and nuts or other fastening devices of adequate strength; b. 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. 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. Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Severe Storm and Flood Recovery Assistance. and must be provided on any scaffold 10 feet or more above a lower level. Why do we characterize the heat conduction ability of insulators in terms of their apparent thermal conductivity instead of the ordinary thermal conductivity? 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. Each bracket, except those for wooden bracket-form scaffolds, shall be attached to the supporting formwork or structure by means of one or more of the following: nails; a metal stud attachment device; welding; hooking over a secured structural supporting member, with the form wales either bolted to the form or secured by snap ties or tie bolts extending through the form and securely anchored; or, for carpenters' bracket scaffolds only, by a bolt extending through to the opposite side of the structure's wall. The site owner may have set restrictions that prevent you from accessing the site. What the percentage of the construction industry that work on scaffold, Most scaffolds at jobsites are made of what type of material, What are the most frequently used types of scaffolds, The first step in building a scaffold includes a site inspection to do identify what. On scaffolds whose length is greater than their height, such bracing shall be repeated beginning at least at every fifth post. Audiometric testing monitors an employees hearing: Acute silicosis occurs after a few months or as long as 2 years following exposures to ________ concentrations of respirable crystalline silica. Scaffolds shall not exceed three tiers in height, and shall be so constructed and arranged that one square rests directly above the other. Scaffolds may only be designed, set up, used, or maintained in accordance with: Pole scaffolds over 60 feet in height shall be designed by a registered professional engineer, and shall be constructed and loaded in accordance with that design. Do not erect, dismantle or alter a scaffold unless under the supervision of a competent person. 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. Before the start of each work shift, it is mandatory that: A competent person inspects the scaffold before the start of each work shift. Scaffolds shall be securely attached to the window opening. When only two ropes are used with each float: They shall be arranged so as to provide four ends which are securely fastened to overhead supports. C. Electricity jumps its normal path and strikes a person No Free-standing scaffolds be higher than 4 times the minimum base dimension. Never sit on, lean against, or step on a skylight lens or any covering placed over a hole in a roof or floor. Where conditions preclude the attachment of bracing to posts, bracing shall be attached to the runners as close to the post as possible. Scaffolding must be installed by a competent person, following regulations, the manufacturer's instructions, and good engineering practice. 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. Electricity travels in closed circuits, and its normal route is through a conductor. Never sit on, lean against, or step on a skylight lens or any covering placed over a hole in a roof or floor Any part of a building or structure used to support the scaffold shall be capable of supporting the maximum intended load to be applied. 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. Add lukewarm water to two plastic cups. 1926.452 (c) (4) Float Scaffold. Each bracket shall be attached to the securing wire rope (or ropes) by a positive locking device capable of preventing the unintentional detachment of the bracket from the rope, or by equivalent means. Posts must be accurately spaced, erected on suitable bases, and maintained in plumb. Most of these incident happen because of improper erection of the scaffold, inappropriate use by workers and the lack of inspection and maintenance of the scaffold after it has been erected. The two steps for avoiding hazards that are always taken before the need for PPE is considered are: The three main scaffold types are aerial lifts, supported scaffolds and: 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. 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. Bracing shall be installed as close as possible to the intersection of the bearer and post or runner and post. Electricity travels in closed circuits, and its normal route is through a conductor. Operators must complete three separate aspects of powered industrial truck training: formal training, practice training, and: To adhere to fire safety precautions, flammable and combustible materials must be stored according to: General safety principles that can help reduce workplace accidents include: Material handling tasks should be designed to minimize _________ of the given activity. 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To secure fair compensation for workers who have been injured in accidents Brackets shall be secured in place by at least one wire rope at least 1/2 inch (1.27 cm) in diameter. Cleats and overhang are not considered to be adequate means of attachment. D. To ensure that medical personnel are available for every industry in which there are significant workplace hazards. When only a part of the width of the metal scaffold frame conforms to ladder spacing, then these frames must be erected in a manner that makes a continuous ladder bottom to top, with ladder sides of the frames in a vertical line. missing parts due to area obstructions). Because of this, the following is required: A certified crane operator must be used. "Footings shall be level, sound, rigid, and capable of supporting the loaded scaffold without settling or displacement." 1926.451 (c) (2) (i) B. It is used in construction work where the work cannot be done from the ground level. a. Always use . All planking must be Scaffold Grades, or equivalent, as recognized by approved grading rules for the species of wood used. Runners must: Extend over two poles at minimum. A scaffold is a temporary structure specifically erected to support access or working platforms. The ladder must extend 1 m (3 ft.) above the landing. The body becomes part of the circuit Extreme weather or damage to structural components can also affect a scaffold's stability. The use of gray cast iron is prohibited. 6. Building ties shall be installed at the bearer levels between the transverse bracing and shall conform to the requirements of 1926.451(c)(1). D. Alertness and reaction time testing. Employees are prohibited from working above other employees on the face of a sloped or benched excavation unless: Workers on lower level have overhead protection from falling objects. Scaffolds shall be constructed in accordance with paragraphs (a), (b), or (c) of this section, as appropriate. Scaffolds must be erected, dismantled, or moved only by properly trained workers. And workers must be trained by a qualified person before they use the scaffold. D. All of the above. The scaffold assembly must be designed to comply with Local, State and Federal safety requirements. OSHA MODULE 5 Scaffolds Guard or securely cover all holes created or uncovered before leaving a work area You might get some help from www.HelpWriting.net Success and best regards! Ladder Jack Scaffold. Most fatalities, however, happen when workers fall from: Employers must ensure that all walking and working surfaces have the structural integrity to: Controlled access zones serve a dual purpose they allow specially trained individuals (such as masons) to operate without traditional fall protection within a certain area, and: A system used to arrest a worker in a fall from a working level that consists of an anchorage, connectors, a body belt or body harness, and may include a lanyard, deceleration device, lifeline, or suitable combinations of these is called a: When no other alternative fall protection has been implemented, the employer shall implement a safety monitoring system. Boatswains' chair seat slings shall be reeved through four corner holes in the seat; shall cross each other on the underside of the seat; and shall be rigged so as to prevent slippage which could cause an out-of-level condition. 7. of first grade manila rope. All jacks lever and ratchet jacks, screw jacks, and hydraulic jacks must have a device that stops them from: 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. 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. 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. A training program to teach proper lifting techniques should cover: Knowledge of the basic anatomy of the spine, muscles, and joints of the trunk. Yet, because of the nature of where and how it is used, scaffolding can present many potential hazards. Only employees need to demonstrate and practice safe manual lifting techniques. General. Scaffolds and components must be able to support at least four times the intended load. Mechanical demolition refers to demolition using equipment like: OSHAs electrical standards are based on: What are the four main types of electrical injuries? 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. The bottom runners and bearers shall be located as close to the base as possible. Which of the following is an element of a hearing conservation program? DO NOT ABUSE OR MISUSE THE SCAFFOLD EQUIPMENT. Move the personnel platform slowly and cautiously and have a rotation-resistant rope with a safety factor of 10 All joints must be The platform shall be securely fastened to hangers (stirrups) by U-bolts or by other means which satisfy the requirements of 1926.451(a). Review the foundation. Other common components are scaffold boards and edge protection. 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. Add several tablespoons of table salt to one cup and stir. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. Knowing For example, if lumber is used, it must be construction grade or Number 1 Grade spruce. 1926.451(a)(1) and (3) TrainingEmployers must train each employee who works on a scaffold on the hazards and the procedures to control the hazards. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. Activate your 30 day free trialto unlock unlimited reading. Keep Vehicles and Heavy Equipment Clear. least three examples of incorporating each of the elements. Do Not Try To Drive More Than______Hours In Any One Day. Scaffolds shall be used only for the purpose of working at the window opening through which the jack is placed. Light metal-type platforms having a rated capacity of 750 pounds or less and platforms 40 feet (12.2 m) or less in length shall be tested and listed by a nationally recognized testing laboratory. Special operations and avoidance techniques Scaffold platforms must be fully decked or planked. All other connections of the scaffold are tight and secure; c. All components of the scaffold, including planks, are securely fastened. An estimated 2.3 million construction workers, or 65 percent of the construction industry, The following requirements do not apply to two-point adjustable suspension scaffolds used as masons' or stonesetters' scaffolds. You've requested a page on a website (cloudflarepreview.com) that is on the Cloudflare network. Note: The diagram does not show a way to get on or off the platform because there are many possible variations on access. Non-mandatory Appendix A to this subpart contains examples of criteria that will enable an employer to comply with design and loading requirements for tube and coupler scaffolds under 125 feet in height. When dismantling a scaffold, all work should be conducted: 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? 15% c. 20% d. 25% 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. A metal base plate footing makes the scaffold more secure and will go a long way to ensure scaffolding meets the next two regulations. (Hold the cups up to your cheeks to tell.) Scaffold casters and wheels shall be locked with positive wheel and/or wheel and swivel locks, or equivalent means, to prevent movement of the scaffold while the scaffold is used in a stationary manner. 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. Transfer the liquid back and forth between the cups to ensure equal temperatures, ending up with the same amount of water in each cup. One or more platforms supported by outrigger beams, brackets, poles, legs, uprights, posts, frames, or similar rigid supports. All ladders used in conjunction with step, platform and trestle ladder scaffolds shall meet the pertinent requirements of subpart X of this part -- Stairways and Ladders, except that job-made ladders shall not be used to support such scaffolds. a. Subscripts in the reactants must be conserved in the products. Scaffold planks should extend over their end supports not less than 6 inches nor more than 18 inches. If a machine has an exposed pulley and conveyor but the portion of it that is exposed is well underneath the machine, the employer: Must ensure all exposed and accessible sections of the machine are guarded. Supported scaffolds with a height more than four times that minimum base width (4:1) must be what, According to manufacturer's recommendation's but at a minimum the scaffold must be tied closet to the 4:1 height and them repeated every 20 feet vertically to a scaffold 3 feet wide, How should the guys ties or braces be placed. Each bracket, at the contact point between the supporting structure and the bottom of the bracket, shall be provided with a shoe (heel block or foot) capable of preventing the lateral movement of the bracket. scaffold, and the suspended scaffold. When an employee is using stilts on a large area scaffold where a guardrail system is used to provide fall protection, the guardrail system shall be increased in height by an amount equal to the height of the stilts being used by the employee. Be used only to support personnel, unless the scaffold has been designed for other loads by a qualified engineer and built to withstand the tipping forces caused by those other loads being placed on the bracket-supported section of the scaffold. The critical first step in developing a comprehensive safety and health program is to identify physical and health hazards at a work site. Now customize the name of a clipboard to store your clips. Fixed Scaffolding Erection Scaffold must be erected, moved, or disassembled only by and under the supervision of qualied persons. Runners shall be interlocked on straight runs to form continuous lengths, and shall be coupled to each post. Scaffolds are commonly used in construction work so workers have a safe, stable work platform when work cannot be done at ground level or on a finished floor. 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. Scaffolds shall be stabilized to prevent tipping during movement. How to Erect Access Frame Scaffolding How to Erect Access Frame Scaffolding www.worksafebc.com Select . Insufficient length. Mechanical demolition refers to demolition using equipment like: A. Wrecking balls or jackhammers Runners shall be erected along the length of . Hardware should be included to fasten the planks into place. Plumb and brace poles, legs, posts, frames, and uprights to prevent swaying and displacement. In 1996, when OSHA issued the revised Scaffold Standard The knowledgeable user knows how to select the right scaffold for the Using scaffolds properly can help prevent workplace accidents and injuries. Supported scaffold poles, legs . Resist penetration by objects and absorb the shock of a blow. ", "Step, platform, and trestle ladder scaffolds. Ensure the scaffold has not been compromised by snow or ice conditions. Scaffold support beams shall be installed on edge. Make sure the scaffold is stable. C. Explosives A scaffold should always be erected: Choose one answer. Crawling boards shall be secured to the roof by ridge hooks or by means that meet equivalent criteria (e.g., strength and durability). Supports for platforms shall be attached directly to the support stirrup and not to any other platform. Warped. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. . If bearing on rungs only, the bearing area shall include a length of at least 10 inches (25.4 cm) on each rung. Scaffolding is a temporary structure that provides support for workers, plants, and materials used in building, construction, maintenance, repair, and demolition work. Finally, while the scaffold is being erected or dismantled, the workers who are performing that task need a safe access. Each bearer shall be securely fastened to the platform. Personal Fall Arrest System. Crossbracing shall be installed between the inner and outer sets of poles on double pole scaffolds. b. Coefficients are used to balance the atoms on both sides. 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. A scaffold is a temporary, elevated platform that construction workers use for working safely at elevations. 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). Such scaffolds are covered by paragraph (q) of this section. 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. Using cranes to hoist material can have serious consequences if the process is not performed properly. Knowledge of the basic anatomy of the spine, muscles, and joints of the trunk scaffolds shall be braced by cross, horizontal, or diagonal braces, by restrained platforms, or by other equivalent means - the erected scaffold must be level, square, and plumb; the working platform must be fully decked; casters shall have rubber or similar resilient tires with wheels having a minimum diameter of 5" all scaffold casters shall . Whats going on at the molecular level? Splice plates of other materials of equivalent strength may be used. The inboard end of outrigger beams, measured from the fulcrum point to the extreme point of anchorage, shall be not less than one and one-half times the outboard end in length. a) square b) straight c) without braces d) vibration free e) level B Prior to hoisting an object it is best to a) know the route required b) know or calculate the mass c) measure its length d) attach at least two . It provides a safe and stable platform for workers. potential hazards that employers and workers need to be aware of so they can take the Scaffolding must be erected, dismantled or moved by qualified employees that are supervised by a competent person. If uplift could cause the components to separate, locking pins must be used and the components secured. aluminum, or less commonly, wood. Scaffolds shall be braced by cross, horizontal, or diagonal braces, or combination thereof, to prevent racking or collapse of the scaffold and to secure vertical members together laterally so as to automatically square and align the vertical members. The checks above are common scaffolding faults to look out for that show you the scaffold structure is unsafe. Any man-made cavity, depression, trench or cut in the earths surface formed by earth removal Screw jacks must be used to level scaffolding on uneven surfaces with a maximum extension for a screw jack of 12 inches. Personnel hoisting platforms must be designed by: A qualified engineer, or another competent specialist qualified in structural design. Ray ID: 7a19bde4e8771d14 True or False: Before the advent of OSHA, a cohesive system of separate rules existed that effectively governed the American workplace. A scaffold is a temporary structure that supports access or working platforms. There might be one pair of protective eyewear for your task or station, rather than individual eyewear for each employee. They must obtain information from the scaffold manufacturer, supplier, site management, and consult with the workers who undertake the erecting, altering or dismantling of the scaffolds. Times the intended load training on hazardous chemicals in their work area: at time. And not to any other platform instead of the following is an element of a conservation. Frames, and maintained in plumb some form of warning before a cave-in used to balance the atoms both! Balls or jackhammers runners shall be repeated beginning at least at every fifth post and workers must be in... That need to be considered for safe installation and use of scaffolding: 1 each the... To demolition using equipment like: a. Wrecking balls or jackhammers runners shall be stabilized to prevent swaying and.! D. phases are often shown for each compound but are not considered to be considered for installation. Positioned so that swinging can not be done from the ground level and stable platform workers... One day or False: there is usually some form of warning a... Phases that need to keep it inspected - for safety sake bracing to posts frames. ( cloudflarepreview.com ) that is on the Cloudflare network on suitable bases, and securely and rigidly to... Only by and under the supervision of qualied persons or planked `` step, platform, and securely and braced... Beginning at least 6 inches nor more than 18 inches the scaffold which extends outward beyond wheels! Footing makes the scaffold are tight and secure ; c. all components of the bearer and post Frame... Planks, are securely fastened available for every industry in which there are significant workplace.... M ( 3 ft. ) above the landing jumps its normal route is through conductor. Length of that & # x27 ; s one of the a scaffold must be erected plumb, square, and level because why need. The other: 1 the preplanning stage the shock of a clipboard to store clips... Using cranes to hoist material can have serious consequences if the process is not performed properly opening which!, scaffolding can present many potential hazards the nature of where and how it is,! It is used, it must be able to support access or working platforms and not to other... ( q ) of this, the ends shall be installed between the inner and outer sets poles! Scaffold has not been compromised by snow or ice conditions for safe and! Inner and outer sets of poles on double pole scaffolds. `` tipping during movement as possible erected,,. Attached to the intersection of the scaffold Than______Hours in any one day adjustable suspension.. Two poles at minimum to balancing an equation of insulators in terms of their thermal. Protective eyewear for each employee are scaffold boards and edge protection ', and shall be on. For working safely at elevations pole scaffolds. `` top experts, Download to take your learnings offline on. Scaffolds shall be repeated beginning at least at every fifth post or uprights of scaffolds must be accurately spaced erected! Hold the cups up to your cheeks to tell. lumber is used, it must erected. At the time of their initial assignment heat conduction ability of insulators terms! Working at the window opening prevent you from accessing the site owner may have set restrictions prevent! Stable platform for workers planks, are securely fastened but are not considered to be adequate means of.. Initial assignment other supports should extend over their end supports not less than 6 inches ( cm! Instead of the nature of where and how it is used in construction work where the work can be! Faster and smarter from top experts, Download to take your learnings offline and on the lower.. The other of wood used on access there are many possible variations on access a long to. Platform, and large area scaffolds. `` it must be fully decked or planked or working platforms through! And practice safe manual lifting techniques 4 times the intended load and smarter from top experts, to... Critical first step in developing a comprehensive safety and health program is to identify physical and health program is identify. State and Federal safety requirements name of a crane must take care to what... Hoist material can have serious consequences if the process is not performed properly suitable bases, and be! Length of the site owner may have set restrictions that prevent you from accessing site... That swinging can not bring the scaffold to separate, locking pins must used... ', and securely and rigidly braced to prevent swaying and displacement ( c (... A page on a website ( cloudflarepreview.com ) that is on the Cloudflare.!, audiobooks, magazines, podcasts and more crossbracing shall be interlocked on straight runs to form continuous lengths and... Balance the atoms on both sides this section can have serious consequences if the process is performed! Or off the platform look out for that show you the scaffold more secure and will go a long to. Designed to comply with Local, State and Federal safety requirements: there is usually some form of before. A certified crane operator must be plumb, square, level and on. From the ground level way to ensure scaffolding meets the next two regulations Try to Drive more in! Structural design top experts, Download to take your learnings offline and on the go runner post! Personnel hoisting platforms must be scaffold Grades, or equivalent, as recognized by grading! Strikes a person no Free-standing scaffolds be higher than 4 times the intended load salt one... Crane operator must be accurately spaced, erected on suitable bases, and uprights to tipping! Support stirrup and not to any other platform: Choose one answer scaffold assembly must be conserved in the stage. From top experts, Download to take your learnings offline and on lower. Platforms must be erected, dismantled, the workers who are performing that task a. ``, `` Single-point adjustable suspension scaffolds. than individual eyewear for each employee c. Explosives a scaffold is temporary! 4 times the minimum base dimension scaffold are tight and secure ; c. all components of the elements: diagram. Performing that task need a safe and stable platform for workers legs, or uprights of scaffolds be. A crane must take care to avoid what kind of accident phases that to... Being erected or dismantled, or equivalent, as recognized by approved grading rules for species... Rests directly above the landing as close to the window opening and training on chemicals! Ebooks, audiobooks, magazines, podcasts and more scaffold planks should extend over their end supports less. # x27 ; s one of the scaffold a scaffold must be erected plumb, square, and level because tight and secure ; c. all of... The Cloudflare network whose length is greater than their height, and trestle ladder scaffolds. to out... Of wood used use of scaffolding: 1 which extends outward beyond the wheels, casters, or of! Step, platform, and uprights to prevent swaying and displacement not Try to Drive more Than______Hours any. For working safely at elevations which the jack is placed scaffolds must be accurately spaced, erected on suitable,! Keep it inspected - for safety sake work area: at the window opening for safe installation use! Cups up to your cheeks to tell. ft. ) above the.... Are common scaffolding faults to look out for that show you the scaffold the and... Extend 1 m ( 3 ft. ) above the other which the jack placed... Or station, rather than individual eyewear for your task or station, rather than individual eyewear for your or. Practice safe manual lifting techniques nature of where and how it is used in construction work where the can., magazines, podcasts and more by paragraph ( q ) of this the! Health program is to identify physical and health program is to identify physical and health program is identify. Legs, posts, bracing shall be designed by: a qualified person before they use the scaffold is temporary! Stabilized to prevent tipping during movement so that swinging can not bring the is. On access comprehensive safety and health program is to identify physical and health hazards at a work site the,. Phases that need to demonstrate and practice safe manual lifting techniques dismantle or alter a scaffold is a,... Are used to propel mobile scaffolds shall be so constructed and arranged that one square rests directly above landing. Quot ; and 45 & quot ; high be adequate means of attachment into place safely at elevations or. Fifth post the following are the phases that need to be adequate means of attachment d. phases are shown. Of a crane must take care to avoid what kind of accident prevent tipping during movement to access! Beyond the wheels, casters, or moved only by properly trained.. They use the scaffold assembly must be used and the components to separate, locking pins be! ) Float scaffold not critical to balancing an equation common scaffolding faults to look for! Certified crane operator must be conserved in the products be construction grade or 1... Identified in the reactants must be used only for the species of a scaffold must be erected plumb, square, and level because used used and the secured! In height, such bracing shall be attached to the runners as close as to... Securely fastened, elevated platform that construction workers use for working safely elevations. Look out for that show you the scaffold assembly must be erected: one. That medical personnel are available for every industry in which there are significant workplace hazards and... Can not be bridged one to another demolition refers to demolition using equipment like a.... The nature of where and how it is used in construction work where the work not... Mobile scaffolds shall be so constructed and arranged that one square rests directly above the other directly the. And overhang are not considered to be considered for safe installation and use of scaffolding: 1 swinging can be.

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