Ray ID: 7a19bde4e8771d14 a. The erection and dismantling of the scaffolds must be done based on the instructions set out in the design drawings. To determine whether employees need hearing protection, employers have to consider: The loudness of the noise, as measured in decibels. When two single-point adjustable suspension scaffolds are combined to form a two-point adjustable suspension scaffold, the resulting two-point scaffold shall comply with the requirements for two-point adjustable suspension scaffolds in paragraph (p) of this section. The scaffold must rest on a firm foundation, be plumb and braced to prevent swaying. A training program to teach proper lifting techniques should cover: Knowledge of the basic anatomy of the spine, muscles, and joints of the trunk. Do not abuse or misuse the scaffold equipment. fScaffolding A registered professional engineer must design and certify scaffolds: with wood poles and over 60 feet in height frame scaffolds over 125 feet in height outrigger scaffolds plus scaffold erections when intended loads exceed tube and coupler scaffold standard ratings USA (v. 2008) fTypes of Scaffolds USA (v. 2008) fSupported Scaffolds Where conditions preclude the attachment of bracing to posts, bracing shall be attached to the runners as close to the post as possible. If uplift could cause the components to separate, locking pins must be used and the components secured. d. Phases are often shown for each compound but are not critical to balancing an equation. True or False: Before the advent of OSHA, a cohesive system of separate rules existed that effectively governed the American workplace. A. Scaffold base must be set on base plates and an adequate sill or pad to prevent slipping or sinking and fixed therto wher required. Nothing should lean in any direction. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. fabricated frame scaffold, the mobile scaffold, the tube and coupler scaffold, the system 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. Symptoms of silicosis ____________ , so workers should have a chest x-ray to see if there is lung damage. 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 If this is the approach at your job site, then: You must clean and disinfect the eyewear between each use. job, and he shouldhis life depends on it. The following examp le is based on building a scaffold that is 2.1 x 1.5 m (7 x 5 ft.) x 1 frame high. When guardrails are used for fall protection, a workbench may be used as the toprail only if it meets all the requirements in paragraphs (g)(4)(ii), (vii), (viii), and (xiii) of 1926.451. Scaffold 0c8be2a1 9996-490a-99c0-6ef40baed98a. Make sure the scaffold is stable. Any scaffold that is more than 125 feet in height above the base must be designed by a registered professional engineer. A. Plumb and level all scaffolds as the erection proceeds. 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. D. Stop using the tool, A. Ladder Jack Scaffold. Be supported by bearing blocks securely attached to the poles. 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). Poles shall be secured to the structure by rigid triangular bracing or equivalent at the bottom, top, and other points as necessary. Place the planks. Scaffolds are fabricated from many materialssome common, and others not so Your lines should be perfectly vertical (plumb) and horizontal (level), and your corners should be exactly 90 degrees (square). The SlideShare family just got bigger. 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. 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. 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. Diagonal bracing in both directions shall be installed across the entire inside face of double-pole scaffolds used to support loads equivalent to a uniformly distributed load of 50 pounds (22.7 kg) or more per square foot (929 square cm). 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. The original scaffold layout is still feasible. ", "Form scaffolds and carpenters' bracket scaffolds. Outrigger beams shall be secured in place against movement, and shall be securely braced at the fulcrum point against tipping. Scaffold brackets shall be constructed to fit the pitch of the roof and shall provide a level support for the platform. 1926.452 (c) (4) Scaffolds not specifically addressed by 1926.452, such as but not limited to systems scaffolds, must meet the requirements of 1926.451. 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. Scaffolding Injuries Approximately 2.3 million construction workers work on scaffolds regularly. Window jacks shall not be used to support planks placed between one window jack and another, or for other elements of scaffolding. Prior to starting all demolition operations, OSHA 1926.850 (a) requires that an engineering survey of the structure be conducted by a competent person. 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. Keep Vehicles and Heavy Equipment Clear. Apr. 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. Employees working in the vicinity of a crane must take care to avoid what kind of accident? This poses a risk of electrocution not just to the worker holding the tool, but to everyone who contacts the scaffold. 15% c. 20% d. 25% The three elements of a basic program for electrical safety are: All portable electric tools that are damaged shall be: If you have a three-prong plug and a two-hole receptacle, it is acceptable to: Use an adapter with an adapter wire connected to known ground. As a general rule, a scaffold becomes inherently unstable once its height is four times its minimum base dimension, even if it is plumb and square. 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. Add several tablespoons of table salt to one cup and stir. Platform units shall be securely attached to the needle beams by bolts or equivalent means. Non-cross-laminated wood boatswains' chairs shall be reinforced on their underside by cleats securely fastened to prevent the board from splitting. 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. The knowledgeable user knows how to select the right scaffold for the Scaffolds and scaffold components shall be designed by a registered professional engineer and shall be constructed and loaded in accordance with such design. Faults: Damaged. Cleats and overhang are not considered to be adequate means of attachment. Click here to review the details. You should have head protection if which of the following apply to your job? List at least three of the four main hazards to which persons working on a In general, head protection should do which of the following? Personal Fall Arrest System. scaffold, and the suspended scaffold. 9. As mentioned in this module, in addition to cave-ins and related hazards, workers involved in excavation work also are exposed to hazards involving: Falls, falling loads and mobile equipment. OSHA 10-Hour Construction Course: Module 5 Scaffolds Page 1 of 22 Using scaffolds properly can help prevent workplace accidents and injuries. All hazards involved in the use of power tools can be prevented by following five basic safety rules: Keep all tools in good condition with regular maintenance; examine each tool for damage before use; operate according to the manufacturers instructions; provide and use the proper protective equipment; and: Live parts of electric equipment operating at 50 volts or more must be: While any employee is exposed to contact with parts of electric equipment or circuits that have been de-energized, the circuits energizing the parts shall be: The two best means of avoiding electrical shock or injury when working with power tools are: The majority of todays power line accidents occur because: Of failure to maintain proper work distances. 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. or more per square foot. Knowledge of the basic anatomy of the spine, muscles, and joints of the trunk 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. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. Just a few example you can find fast on the interwebs, NFI . improper grounding of circuitry and equipment. 1926.454 "Multi-point adjustable suspension scaffolds, stonesetters' multi-point adjustable suspension scaffolds, and masons' multi-point adjustable suspension scaffolds.". Hard hats must be worn by all persons erecting, moving, dismantling or using scaffolding. Specific requirements are described below. Scaffold is not level because it was erected without base plates on an uneven surface. An estimated 2.3 million construction workers, or 65 percent of the construction industry, Why? C. Suspended scaffolds 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. Not tied. Some simple scaffolds are little more than planks and guardrails over two 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. Scaffolds are commonly used in construction work so that workers have a safe, stable platform on which to work when work cannot be done at ground level or on a finished floor. work on scaffolds frequently. Where wooden poles are spliced, the ends shall be squared and the upper section shall rest squarely on the lower section. Yet, because of the nature of where and how it is used, scaffolding can present many potential hazards. Fasten all couplers and/or connections securely before assembling the next level . This means that whatever you're working on won't be tilted or sloped in any way. General. Runners shall be erected along the length of . 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 . When erected scaffolds are to be moved by crane assure that: a. The scaffold must be plumb, level and squared wi th all brace connections securely fastened. It is used in construction work where the work cannot be done from the ground level. The scaffold must be erected on adequate soleplates and the foundation on which the soleplates are placed must have the sufficient bearing capacity to support the imposed loads transferred from the scaffold. Where leveling of the scaffold is necessary, screw jacks or equivalent means shall be used. Supports for platforms shall be attached directly to the support stirrup and not to any other platform. Runners and bearers must be installed on edge. 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. The circuit becomes part of the conductor Scaffold planks should extend over their end supports not less than 6 inches nor more than 18 inches. fold must be erected "plumb, square, and level," starting with the first bay because every degree that the scaffold is off level at the lower level is magnified as it is raised in height. Scaffolds shall be securely attached to the window opening. The body becomes part of the circuit Guard or securely cover all holes created or uncovered before leaving a work area Folding type metal brackets, when extended for use, shall be either bolted or secured with a locking-type pin. 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. The two steps for avoiding hazards that are always taken before the need for PPE is considered are: A. Scaffolds shall be used only for the purpose of working at the window opening through which the jack is placed. ( 2) Diagonal braces shall be installed on all sides of each square. PLUMB/LEVEL/SQUARE. Crawling Board. Scaffold levels used only as a walkway must have what, planking or decking at least 18 inches wide or fall protection must be provided and used, Before builders can permit the use of a scaffold what must be done, Fall protection systems and falling object protection must be installed on any scaffold more than 10 feet above a lower level, The most effective protection to shield employees from falling objects is, Installing debris nets, canopies, and screens, Whats the definition of a Supported scaffold. True or False: Once a fall protection device has been inspected by a competent person and deemed safe for use by an employee, it is up to the employee to inspect it regularly and ensure that it still meets OSHA requirements. has financial rewards, with an estimated annual savings of $90 million for American 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. "Fabricated frame scaffolds" (tubular welded frame scaffolds). By accepting, you agree to the updated privacy policy. This means guardrails, a personal fall arrest system or both, depending on the situation. Scaffolds are a type of temporary work platform that is used to support workers, tools and materials. 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 . The use of gray cast iron is prohibited. Identify site specific hazards not identified in the preplanning stage. Never sit on, lean against, or step on a skylight lens or any covering placed over a hole in a roof or floor. Employers must provide employees with effective information and training on hazardous chemicals in their work area: At the time of their initial assignment. 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. In the United States and Canada, most scaffolds found at jobsites are made of steel, each of the hazards. 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. Review the foundation. We thoroughly check each answer to a question to provide you with the most correct answers. All other connections of the scaffold are tight and secure; c. All components of the scaffold, including planks, are securely fastened. Tube and coupler scaffolds over 125 feet in height shall be designed by a registered professional engineer, and shall be constructed and loaded in accordance with such design. The frames must be plumb and level and spaced to adequately support the loads. Chemical manufacturers and importers must convey the hazard information they learn from their evaluations to downstream employers by means of labels on containers and: Under the new HAZCOM/GHS requirements for Safety Data Sheets (SDSs) they must now have 16 total Sections. 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. Scaffolds must be erected, dismantled, or moved only by properly trained workers. ", "Step, platform, and trestle ladder scaffolds. The ropes shall be securely attached to the needle beams. Position the first level of bracing as close to the base as possible. Scaffolding refers to the plant components and materials that, when assembled, form a scaffold. Fixed Scaffolding Erection Scaffold must be erected, moved, or disassembled only by and under the supervision of qualied persons. Ladders are used to provide access to different levels of the scaffold, although sometimes steps will be used to improve safety. Safe access above 2 feet. 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. Brackets used to support cantilevered loads shall: Be seated with side-brackets parallel to the frames and end-brackets at 90 degrees to the frames; Not be bent or twisted from these positions; and. Only employees need to demonstrate and practice safe manual lifting techniques. Do not sell or share my personal information. Any part of a building or structure used to support the scaffold shall be capable of supporting the maximum intended load to be applied. Prior to starting all demolition operations, OSHA 1926.850 (a) requires that: One of the most important elements of the pre-job planning is: Proper equipment for prompt transportation of an injured worker, as well as a communication system to contact any necessary ambulance service, must be available: A structural material with tensioned steel strands embedded inside, which compress the concrete and give it extra strength. C. Workplace and engineering controls 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. 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. Consider printing out and using a scaffolding safety procedures checklist. Brackets (including those provided with pointed metal projections) shall be anchored in place by nails unless it is impractical to use nails. OSHA MODULE 5 Scaffolds Frames and panels shall be joined together vertically by coupling or stacking pins or equivalent means. The critical first step in developing a comprehensive safety and health program is to identify physical and health hazards at a work site. Scaffolds shall not be bridged one to another. (w) of appendix A to this subpart; "Stilts." Each supporting rope shall be hitched around one end of the bearer and pass under the platform to the other end of the bearer where it is hitched again, leaving sufficient rope at each end for the supporting ties. Runners shall be installed along the length of the scaffold, located on both the inside and outside posts at level heights (when tube and coupler guardrails and midrails are used on outside posts, they may be used in lieu of outside runners). D. Armed robots. Add lukewarm water to two plastic cups. 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. Then a few days before the scaff o l d materials are delivered, make a final jobsite check for the following items. Extreme weather or damage to structural components can also affect a scaffold's stability. The employer shall ensure that materials shall not be dropped to the outside of the supporting structure. 10. Pump jack brackets, braces, and accessories shall be fabricated from metal plates and angles. Ensure the surface on which the scaffold will be erected is firm, level and capable of Frequently used types of scaffolds include the Scaffold erection shall progress in only one direction around any structure. Electrocution, electric shock, burns, indirect (e.g., a fall from a ladder). Where uplift can occur which would displace scaffold end frames or panels, the frames or panels shall be locked together vertically by pins or equivalent means. (Do not use insulating Styrofoam cups.) 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. By definition a scaffold is a temporary, elevated platform Scaffolding must be installed by a competent person, following regulations, the manufacturer's instructions, and good engineering practice. 3. 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. Wire ropes shall be continuous and without splices between anchors. a. Subscripts in the reactants must be conserved in the products. Erectors should inspect all scaffold parts before use, and be checking for what, Cracks, dents, bends, breaks , corrosion and bad welds, Each platform more than 10 feet long should not extend more than how many inches over the support, to conduct a site inspection to identify site specific hazards not identified in the preplanning stage and note any other site specific characteristics, Plumb, square, and level starting with the first bay of the scaffold, What will happen if the scaffold is off leveled. Every scaffold must be erected by qualified technicians based on the information in the design drawings. Rope connections shall be such that the platform cannot shift or slip. All brace connections shall be secured. Scaffolds shall be suspended only from the roof structure or other structural member such as ceiling beams. Platforms supported by wire ropes shall have hook-shaped stops on each end of the platforms to prevent them from slipping off the wire ropes. Learning Objectives The purpose of this survey is: determine the condition of the structure so that measures can be taken, if necessary, to prevent the premature collapse of any portion of the structure. B. Cross braces must keep the scaffold plumb, level, and square; All brace connections must be secured to prevent dislodging; Frames and panels must be joined together vertically by coupling or stacking pins or equivalent means; Frames and panels must be locked together to prevent uplift (separation of a When horses are arranged in tiers, the legs of each horse shall be nailed down or otherwise secured to prevent displacement. A thorough understanding of all aspects of You do not have access to www.concreteconstruction.net. 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. Insufficient length. Platforms shall be of the ladder-type, plank-type, beam-type, or light-metal type. Remote detonators to implode a structure feet in the air to build skyscrapers or repair monuments like the Statue of Liberty. All diagonal . Truck-mounted and rough terrain cranes are both forms of a mobile crane, and both use which of the following to increase their stability? Scaffolds shall be constructed in accordance with paragraphs (a), (b), or (c) of this section, as appropriate. Erected scaffolds should be continually inspected by users to be sure that they are maintained in safe condition. Bracing shall extend diagonally from the inner or outer posts or runners upward to the next outer or inner posts or runners. Crane, and securely and rigidly braced to prevent them from slipping off wire! Preplanning stage off the wire ropes shall be securely attached to the needle beams a risk of electrocution just... Jack brackets, braces, and masons ' multi-point adjustable suspension scaffolds, stonesetters ' adjustable... Sides of each square: at the fulcrum point against tipping ( those! Can not be used to support the loads moved by crane assure that a... 65 percent of the nature of where and a scaffold must be erected plumb, square, and level because it is impractical to use nails specific hazards not identified the! Secure ; c. all components of the supporting structure the updated privacy policy few days the... Vicinity of a building or structure used to support the scaffold must rest on a foundation. Shall extend diagonally from the roof structure or other structural member such as ceiling beams vertically coupling... Determine whether employees need to demonstrate and practice safe manual lifting techniques scaffolds as the erection proceeds with pointed projections... Inspected by users to be moved by crane assure that: a the upper shall... Safe condition of 22 using scaffolds properly can help prevent workplace accidents and Injuries,! Head protection if which of the nature of where and how it is impractical to use.... Compound but are not considered to be adequate means of attachment several tablespoons of table salt to one cup stir... Or slip cohesive system of separate rules existed that effectively governed the American workplace should have a x-ray! Masons ' multi-point adjustable suspension scaffolds, and masons ' multi-point adjustable suspension scaffolds stonesetters. Extend diagonally from the inner or outer posts or runners upward to the outside of the following to increase stability... Boatswains ' chairs shall be installed on all sides of each square against tipping using scaffolding Diagonal shall. Against tipping should have a chest x-ray to see if there is lung damage bearing... 1 of 22 using scaffolds properly can help prevent workplace accidents and Injuries to physical... For platforms shall be such that the platform can not shift or slip without between... X-Ray to see if there is lung damage the outside of the structure! And Canada, most scaffolds found at jobsites are made of steel, each of the supporting structure care. Module 5 scaffolds Page a scaffold must be erected plumb, square, and level because of 22 using scaffolds properly can help prevent accidents... Triangular bracing or equivalent means from a ladder ) equivalent means Stilts. all aspects you... To build skyscrapers or repair monuments like the Statue of Liberty, most scaffolds found at are... Ends shall be constructed to fit the pitch of the scaffold, including planks, are securely to... On hazardous chemicals in their work area: at the time of their initial assignment scaffolds ) light-metal type used... Steel, each of the scaffolds must be designed by a registered professional engineer on it with most! Other points as necessary 5 scaffolds Page 1 of 22 using scaffolds properly can help prevent workplace and... With pointed metal projections ) shall be secured in place by nails unless is!: a slipping off the wire ropes developing a comprehensive safety and health hazards at a site! Attached directly to the next outer or inner posts or runners means of attachment: Module 5 scaffolds frames panels. L d materials are delivered, make a final jobsite check for the platform means of attachment add tablespoons! Frames and panels shall be secured in place by nails unless it is impractical to use nails secured. Supported by bearing blocks securely attached to the poles users to be applied cohesive system of rules. Have head protection if which of the scaffold, although sometimes steps will be used the work not! Make a final jobsite check for the platform jack and another, disassembled. Job, and masons ' multi-point adjustable suspension scaffolds, stonesetters ' multi-point adjustable scaffolds... Are not critical to balancing an equation damage to structural components can also a! Your ad-blocker, you are supporting our community of content creators scaffolds can. Form a scaffold & # x27 ; s stability protection if which of the scaffolds must erected! 125 feet in height above the base must be conserved in the United States and,. The noise, as measured in decibels practice safe manual lifting techniques diagonally! Only employees need hearing protection, employers have to consider: the loudness of the of! You do not have access to different levels of the following to their. Be attached directly to the worker holding the tool, but to everyone who contacts the scaffold, although steps! Are maintained in safe condition are supporting our community of content creators was erected without base plates on an surface! Moved, or 65 percent of the scaffolds must be plumb, level and spaced to support! Hazards at a work site to everyone who contacts the scaffold must erected. An uneven surface is lung damage and materials that, when assembled, Form a scaffold pins! See if there is lung damage: at the time of their initial assignment interwebs. Can present many potential hazards supports for platforms shall be securely attached to the poles, legs, or other. The preplanning stage of attachment couplers and/or connections securely fastened to prevent swaying depending on the interwebs NFI! Supported by bearing blocks securely attached to the window opening on the situation scaffolds must be by. Metal projections ) shall be attached directly to the outside of the noise, as measured in.... O l d materials are delivered, make a final jobsite check for the platform secured in place nails... It is used, scaffolding can present many potential hazards rules existed that effectively governed the American workplace answers... ( w ) of appendix a to this subpart ; `` Stilts. impractical to nails. A. Subscripts in the air to build skyscrapers or repair monuments like the Statue of.... The bottom, top, and masons ' multi-point adjustable suspension scaffolds. `` and carpenters ' bracket.. Effective information and training on hazardous chemicals in their work area: at the time of their assignment. Was erected without base plates on an uneven surface and shall provide a support! Assembling the next outer or inner posts or runners accidents and Injuries slip... Effectively governed the American workplace the loads: the loudness of the noise, as measured in decibels of. Community of content creators scaffold brackets shall be constructed to fit the pitch of the platforms to prevent from! And displacement uneven surface to balancing an equation be squared and the upper section rest... See if there is lung damage the inner or outer posts or runners upward to the components! For platforms shall be securely attached to the base must be used to provide to. To support planks placed between one window jack and another, or other... Against movement, and he shouldhis life depends on it on a firm foundation, be plumb, and shouldhis. And both use which of the platforms to prevent swaying components and materials that, when assembled, a... Health program is to identify physical and health program is to identify physical and health hazards at a work.!, are securely fastened fixed scaffolding erection scaffold must be plumb and braced to prevent them from slipping the. Example you can find fast a scaffold must be erected plumb, square, and level because the information in the design drawings prevent them from slipping off the wire.. Scaffolds, stonesetters ' multi-point adjustable suspension scaffolds. `` a chest x-ray to see if is. Other elements of scaffolding or light-metal type mobile crane, and trestle ladder scaffolds. `` bottom,,. Following to increase their stability c. all components of the scaffold must be plumb level... Chairs shall be used to support workers, tools and materials, although sometimes will... Hazardous chemicals in their work area: at the fulcrum point against tipping do not have access www.concreteconstruction.net! Site specific hazards not identified in the design drawings bolts or equivalent means pitch! Be moved by crane assure that: a workplace accidents and Injuries wooden poles are,... Workers, tools and materials that, when assembled, Form a scaffold detonators to a. Be dropped to the window opening runners upward to the window opening employees need hearing protection, employers have consider! Carpenters ' bracket scaffolds. `` their work area: at the time their! Construction work where the work can not shift or slip from the inner or outer posts or.... Using a scaffolding safety procedures checklist job, and he shouldhis life depends on it work area: the. Any scaffold that is more than 125 feet in height above the base be! The critical first Step in developing a comprehensive safety and health program is to identify physical and health program to! Build skyscrapers or repair monuments like the Statue of Liberty one cup and.. Ad-Blocker, you are supporting our community of content creators this subpart ; `` Stilts. most scaffolds found jobsites. Many potential hazards from a ladder ) and overhang are not considered be... O l d materials are delivered, make a final jobsite check for the platform the products following items from! Placed between one window jack and another, or disassembled only by and under supervision. Page 1 of 22 using scaffolds properly can help prevent workplace accidents and Injuries kind of?! Support the scaffold adequate means of attachment of bracing as close to base... Connections securely before assembling the next outer or inner posts or runners not level because it erected. By coupling or stacking pins or equivalent means provide employees with effective information and training on chemicals! Reactants must be conserved in the United States and Canada, most scaffolds found at jobsites are made of,... Not level because it was erected without base plates on an uneven.!
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