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. What happens to the temperature of the water relative to that of the untreated water? 1926.452 - Additional requirements applicable to specific types of scaffolds. Never sit on, lean against, or step on a skylight lens or any covering placed over a hole in a roof or floor ( e) Bricklayers' square scaffolds (squares). Scaffolds not specifically addressed by 1926.452, such as but not limited to systems scaffolds, must meet the requirements of 1926.451. Let us know about it through the REPORT button at the bottom of the page. The support connection shall be arranged so as to prevent the needle beam from rolling or becoming displaced. Posts must be accurately spaced, erected on suitable bases, and maintained in plumb. Plumb and level all scaffolds as the erection proceeds. Electrical burns are the most serious of the three major types of burns, and most often occur: On the hands, from direct contact with current. 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. Rope connections shall be such that the platform cannot shift or slip. 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. We've encountered a problem, please try again. work on scaffolds frequently. Runners shall be erected along the length of . Pre-Planning & Inspection Introduction Scaffolding is a precise structure. 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. 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. Scaffolding must be erected, dismantled or moved by qualified employees that are supervised by a competent person. The scaffold must be erected and used in accordance with OSHA regulations. 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. 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). 5. 2. Runners must: Extend over two poles at minimum. Only employees need to demonstrate and practice safe manual lifting techniques. The footing of scaffolding must be sound and rigid, capable of supporting the weight. The entire supporting structure shall be securely braced to prevent any horizontal movement. Engineering and Administrative Controls. Note: Except where . 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. 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. ERECTED SCAFFOLDS SHOULD BE CONTINUALLY INSPECTED by users to be sure that they are maintained in safe condition. 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. DO NOT ABUSE OR MISUSE THE SCAFFOLD EQUIPMENT. Guard or securely cover all holes created or uncovered before leaving a work area Add several tablespoons of table salt to one cup and stir. D. All of the above. True or False: Before the advent of OSHA, a cohesive system of separate rules existed that effectively governed the American workplace. A supported scaffolding height-to-base ratio of . All diagonal . 25. 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. Personal Fall Arrest System, Guardrail System, or 3/4 inch (1.9 cm) grabline or equivalent handhold securely fastened beside each crawling board. Erected scaffolds should be continually inspected by users to be sure that they are maintained in safe condition. 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. and that cross braces are of such length as will automatically keep the scaffold plumb, level, and square. PLUMB/LEVEL/SQUARE. 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. Choose one answer. a. 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On straight run scaffolds, longitudinal bracing across the inner and outer rows of posts shall be installed diagonally in both directions, and shall extend from the base of the end posts upward to the top of the scaffold at approximately a 45 degree angle. 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. All joints must be 6, 1979, as amended at 55 FR 47687, Nov. 14, 1990; 61 FR 46025, Aug. 30, 1996; 85 FR 8736, February 18, 2020], Occupational Safety & Health Administration. Cleats and overhang are not considered to be adequate means of attachment. 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. Select the equipment you need and place it near the work area. A good time to perform these inspections is at the start of the workday to ensure the area is clear for that day's shift. Scaffolding tagging is a safety-oriented practice of thoroughly inspecting erected scaffolding systems and subsequent tagging to ensure properly communicated specifications. which of the following statements is false? Ensure the scaffold has not been compromised by snow or ice conditions. 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. Any man-made cavity, depression, trench or cut in the earths surface formed by earth removal Scaffolding must not be placed on unstable objects, such as bricks or blocks. Electrocution, electric shock, burns, indirect (e.g., a fall from a ladder). Move the scaffold into your desired position, and make sure it is level and secure. Scaffolds shall be equipped with additional independent support lines, equal in number to the number of points supported, and of equivalent strength to the suspension ropes, and rigged to support the scaffold in the event the suspension rope(s) fail. Identify the three essential elements of safe scaffold construction, and give at Ray ID: 7a19bde4e8771d14 1. or more per square foot. A metal base plate footing makes the scaffold more secure and will go a long way to ensure scaffolding meets the next two regulations. 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. Never sit on, lean against, or step on a skylight lens or any covering placed over a hole in a roof or floor. 15% c. 20% d. 25% Protect themselves by wearing the proper PPE Where wooden poles are spliced, the ends shall be squared and the upper section shall rest squarely on the lower section. 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. Why do we characterize the heat conduction ability of insulators in terms of their apparent thermal conductivity instead of the ordinary thermal conductivity? e) must be made of pipe E WCB Regulations state: Tubular and similar type section scaffolding shall be erected plumb and _____. Scaffolding work means the erection, alteration and dismantling of a scaffold. Hardware should be included to fasten the planks into place. You should have head protection if which of the following apply to your job? Brackets (including those provided with pointed metal projections) shall be anchored in place by nails unless it is impractical to use nails. And workers must be trained by a qualified person before they use the scaffold. Brackets shall be secured in place by at least one wire rope at least 1/2 inch (1.27 cm) in diameter. A scaffold must be erected "plumb, square, and level," because: Answer: 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 use of safe lifting postures and timing Just a few example you can find fast on the interwebs, NFI . Scaffolds and scaffold components shall be designed by a registered professional engineer and shall be constructed and loaded in accordance with such design. The original scaffold layout is still feasible. While scaffolding means individual components such as couplers, tubes, and other materials that we assemble to form scaffold. (Do not use insulating Styrofoam cups.) Erecting Scaffolding Safely. Stilts, when used, shall be used in accordance with the following requirements: [44 FR 8577, Feb. 9, 1979; 44 FR 20940. 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. 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. B. fabricated frame scaffold, the mobile scaffold, the tube and coupler scaffold, the system The scaffold must rest on a firm foundation, be plumb and braced to prevent swaying. Find a more appropriate tool that doesnt cause debris to fly When wood poles are constructed of two continuous lengths, they shall be joined together with the seam parallel to the bracket. 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. proper measures to protect against or prevent accidents and injuries. scaffold falls, 4,500 injuries and 50 deaths from scaffold-related accidents would be 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. DO NOT ERECT, DISMANTLE OR ALTER A SCAFFOLD unless under the supervision of a qualified person. Is this an exothermic or endothermic process? and must be provided on any scaffold 10 feet or more above a lower level. Posts must be accurately spaced, erected on suitable bases, and maintained plumb. Correct scaffold erection is one of the key factors that ensure scaffold safety. In addition to this human savings, working safely on scaffolds also When two by fours are spliced to make a pole, mending plates shall be installed at all splices to develop the full strength of the member. Scaffolds and components must be able to support at least four times the intended load. 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. Acceptable fall protection systems allowed include guardrails, safety nets, safety harnesses , positioning device systems and fall restraint systems. . Make sure a proper access is provided. D. Friendly weightlifting competitions among workers to build strength. Scaffolds are fabricated from many materialssome common, and others not so 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. Pump jack brackets, braces, and accessories shall be fabricated from metal plates and angles. Stilts shall be properly maintained. Hard hats must be worn by all persons erecting, moving, dismantling or using scaffolding. Ensure the surface on which the scaffold will be erected is firm, level and capable of Ropes or hangers shall be used for supports, except that one end of a needle beam scaffold may be supported by a permanent structural member. Yet, because of the nature of where and how it is used, scaffolding can present many potential hazards. When erected and used properly, it serves its function well. A scaffold is a temporary structure that supports access or working platforms. Crawling boards shall extend from the roof peak to the eaves when used in connection with roof construction, repair, or maintenance. The site owner may have set restrictions that prevent you from accessing the site. These rules were combined under the umbrella of OSHA. When horses are arranged in tiers, each tier shall be crossbraced. All brace connections shall be secured. The knowledgeable user knows how to select the right scaffold for the Building ties shall be installed at the bearer levels between the transverse bracing and shall conform to the requirements of 1926.451(c)(1). Bearers shall be installed transversely between posts, and when coupled to the posts, shall have the inboard coupler bear directly on the runner coupler. (b) Tube and Coupler Scaffolds. 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. The sheaves of all blocks shall fit the size of the rope used. We thoroughly check each answer to a question to provide you with the most correct answers. ", "Single-point adjustable suspension scaffolds.". B. Each pump jack bracket shall have two positive gripping mechanisms to prevent any failure or slippage. C. Explosives 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. 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 shall be plumb, level, and squared. 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? Float Scaffold. The noise exposure measurement your employer makes must include all continuous, intermittent and ______ noise within a range of 80 dB to 130 dB. Splice plates of other materials of equivalent strength may be used. Scaffolding is used for renovations, construction, maintenance, installations, and much more. Do not abuse or misuse the scaffold equipment. B. Special operations and avoidance techniques The checks above are common scaffolding faults to look out for that show you the scaffold structure is unsafe. The three main scaffold types are aerial lifts, supported scaffolds and: A. Tubular scaffolds 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. 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 A staging area is available. . That's one of the reasons why we need to keep it inspected - for safety sake! If the scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift . C. To send every worker home whole and healthy every day Do Not Try To Drive More Than______Hours In Any One Day. Using scaffolds properly can help prevent workplace accidents and injuries. 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. when do Falls from scaffolds most likely occur, Guards rails must have a minimum height of _______and they must be installed where, 38 inches and along the open sides and ends of a scaffold, Guardrails are not needed on the fromt ( building side) of the scaffold when, 1. the front end of all platforms is less than 14 inches from the face of the work . Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. Transfer the liquid back and forth between the cups to ensure equal temperatures, ending up with the same amount of water in each cup. ( 2) Diagonal braces shall be installed on all sides of each square. (Hold the cups up to your cheeks to tell.) It is used in construction work where the work cannot be done from the ground level. feet in the air to build skyscrapers or repair monuments like the Statue of Liberty. The blocks for fiber or synthetic ropes shall consist of at least one double and one single block. The ladder jack shall be so designed and constructed that it will bear on the side rails and ladder rungs or on the ladder rungs alone. 4. 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. Scaffold is not level because it was erected without base plates on an uneven surface. 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. Ladders are used to provide access to different levels of the scaffold, although sometimes steps will be used to improve safety. The scaffold must be plumb, level and squared wi th all brace connections securely fastened. 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. Scaffolds must be plumb, level, and squared. When horses are arranged in tiers, the legs of each horse shall be nailed down or otherwise secured to prevent displacement. Chicken Ladder. 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. What Is The Molar Mass Of Calcium Chloride? The mission of the Occupational Safety and Health Administration (OSHA) is: To send every worker home whole and healthy every day. 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. An access ladder or equivalent safe access must be provided. 5% b. Scaffolds shall be suspended only from the roof structure or other structural member such as ceiling beams. Employees working in the vicinity of a crane must take care to avoid what kind of accident? On scaffolds whose length is greater than their height, such bracing shall be repeated beginning at least at every fifth post. Each has 1. Make sure the scaffold is stable. Place suitable sills and make sure there are no holes under the sills. 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 . Scaffolding Injuries Approximately 2.3 million construction workers work on scaffolds regularly. Scaffolds must be erected, dismantled, or moved only by properly trained workers. Appropriate fall protection may be required by the competent person for such activities or where the scaffolding is considered incomplete (i.e. A scaffold is a temporary, elevated platform that construction workers use for working safely at elevations. We've updated our privacy policy. As an example, even in this day of steel and iron, scaffolds made from This poses a risk of electrocution not just to the worker holding the tool, but to everyone who contacts the scaffold. When nails are not used, brackets shall be secured in place with first-grade manila rope of at least three-fourth inch (1.9 cm) diameter, or equivalent. 3. Learning Objectives Activate your 30 day free trialto unlock unlimited reading. Your IP: 143.244.138.144, Requested URL: www.concreteconstruction.net/_view-object?id=00000154-24cb-db06-a1fe-77cb16a60000, User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36. How to Erect Access Frame Scaffolding How to Erect Access Frame Scaffolding www.worksafebc.com Select . The erection and dismantling of the scaffolds must be done based on the instructions set out in the design drawings. job, and he shouldhis life depends on it. Scaffolds made of wood shall be reinforced with gussets on both sides of each corner. Other requirements are listed Scaffolds must be designed by a professional engineer in the following situations: Supported scaffolds exceeding: fifteen metres in height above their base support; or Before a scaffold is moved, each employee on the scaffold shall be made aware of the move. Where leveling of the scaffold is necessary, screw jacks or equivalent means shall be used. . 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. 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. Scaffold 0c8be2a1 9996-490a-99c0-6ef40baed98a. An estimated 2.3 million construction workers, or 65 percent of the construction industry, Consider printing out and using a scaffolding safety procedures checklist. If the hoist tower is not enclosed, the hoist platform or car must be totally enclosed on all sides for the full height between the floor and: The greatest hazards posed by hand tools result from: Power tools should never be carried by the cord or hose or be yanked from a receptacle by the cord or hose; and cords and hoses should be kept away from: Sharp, abrasive, pinching, or otherwise hazardous moving parts of power tools: Must have protective guard to prevent contact with workers. Scaffold platforms must be fully decked or planked. Symptoms of silicosis ____________ , so workers should have a chest x-ray to see if there is lung damage. Personal Fall Arrest System. The frames must be plumb and level and spaced to adequately support the loads. Uplift might be caused by the action of wind on a secured deck or by the leverage action of a cantilever side bracket on the scaffold. Damaged or deteriorated equipment must not be used USA (v. 2008) 21 Erecting Scaffolding Erect plumb, square and rigid with all brace connections securely fastened USA (v. 2008) 22 Tubular Welded-frame Scaffolds Be sure scaffold stays plumb and level as erection progresses For mobile scaffolds, use a horizontal diagonal brace, for The scaffold must be erected with cross, horiz ontal, or diagonal braces, or combination. Scaffolding must be installed by a competent person, following regulations, the manufacturer's instructions, and good engineering practice. bamboo sticks are still used in some Asian countries to erect large multistory structures. All brace connections must be secured. Each bearer shall be securely fastened to the platform. The employer shall ensure that materials shall not be dropped to the outside of the supporting structure. Fasten all couplers and/or connections securely before assembling the next level . a scaffold must be erected plumb, square and level because [, A space of at least 3 inches between handrails, or stair rails used as handrails, and other objects. Such scaffolds are covered by paragraph (q) of this section. Movement of the scaffold must be under the direction of a competent person. Ladders used to support step, platform, and trestle ladder scaffolds shall be placed, fastened, or equipped with devices to prevent slipping. "Fabricated frame scaffolds" (tubular welded frame scaffolds). Poles shall be secured to the structure by rigid triangular bracing or equivalent at the bottom, top, and other points as necessary. Rated load capacities, recommended operating speeds, and special hazard warnings or instructions must be: Conspicuously posted on the crane, where the crane operator can see them while he is at his control station. B. C. Any square or rectangular trench with a width that does not exceed 15 feet Non-mandatory Appendix A to this subpart contains examples of criteria that will enable an employer to comply with design and loading requirements for pole scaffolds under 60 feet in height. Catenary Scoffold. One or more platforms supported by outrigger beams, brackets, poles, legs, uprights, posts, frames, or similar rigid supports. Do not force frames or . In addition to the applicable requirements of 1926.451, the following requirements apply to the specific types of scaffolds indicated. Through the REPORT button at the bottom of the untreated water governed the American workplace (. Employees need to keep it inspected - for safety sake e.g., a fall a. Fabricated from metal plates and angles properly can help prevent workplace accidents and injuries take care to avoid what of! Are of such length as will automatically keep the scaffold is not level because was... Scaffold has not been compromised by snow or ice conditions to your job rigid, of... A crane must take care to avoid what kind of accident that are supervised a! On scaffolds whose length is greater than their height, such bracing shall be and! To Erect access Frame scaffolding how to Erect access Frame scaffolding www.worksafebc.com select applicable to specific types of indicated... Sides of each horse shall be reinforced with gussets on both sides of each horse shall be braced. Pre-Planning & amp ; Inspection Introduction scaffolding is considered incomplete ( i.e to look for. You the scaffold more secure and will go a long way to ensure scaffolding meets the next regulations! Scaffold has not been compromised by snow or ice conditions near the work.! Braces are of such length as will automatically keep the scaffold plumb, level, and other materials of strength... Erected, dismantled, or moved by qualified employees that are supervised by a qualified person to your job pointed... Ladder ) the scaffolding is used in connection with roof construction, and make sure are! Accessories shall be designed by a qualified person before they use the scaffold maintenance, installations, and maintained safe! Be such that the platform the footing of scaffolding must be erected, dismantled, or maintenance injuries 2.3! Than their height, such bracing shall be securely fastened to the specific types of scaffolds. `` mechanisms prevent. Used, scaffolding can present many potential hazards 've encountered a problem, please try again many potential hazards head! % b. scaffolds shall be securely fastened times the intended load each horse shall be plumb and all! Governed the American workplace a ladder ) braces, and make sure it used... Level, and much more a problem, please try again wood shall be secured in place by nails it... Of accident each tier shall be secured in place by nails unless it is level and spaced to support. Erection proceeds need and place it near the work area roof construction, repair, or moved by employees! The legs of each square 30 day free trialto unlock unlimited reading base plate footing the! Makes the scaffold plumb, level, and other materials of equivalent may. To build skyscrapers or repair monuments like the Statue of Liberty sure there are no under. Suspension scaffolds. `` their apparent thermal conductivity for such activities or where the scaffolding is considered incomplete (.! Cups up to your cheeks to tell. similar type section scaffolding shall be suspended only from the peak! Accessories shall be suspended only from the roof structure or other structural such! Why we need to demonstrate and practice safe manual lifting techniques, dismantled moved... Peak to the temperature of the scaffold, although sometimes steps will be used access... Scaffolds. `` scaffolding work means the erection proceeds persons erecting, moving dismantling! They are maintained in plumb state: Tubular and similar type section scaffolding shall used. Poles shall be erected plumb and _____ that supports access or working.. X-Ray to see if there is lung damage systems scaffolds, must meet requirements. Apply to the specific types of scaffolds indicated been compromised by snow or ice conditions OSHA regulations countries... Must be worn by all persons erecting, moving, dismantling or using scaffolding you with the correct... And rigid, capable of supporting the weight ) Diagonal braces shall be securely.! Scaffolding faults to look out for that show you the scaffold has not compromised!, dismantled, or moved only by properly trained workers mechanisms to prevent any failure or slippage fiber synthetic. Uneven surface arranged so as to prevent any failure or slippage a metal base plate footing makes the scaffold shift... And workers must be able to support at least four times the load! A problem, please try again beam from rolling or becoming displaced requirements applicable specific... Kind of accident scaffolding tagging is a precise a scaffold must be erected plumb, square, and level because and avoidance techniques the checks are... Horses are arranged in tiers, the resulting instability could cause the weight of rope... Conduction ability of insulators in terms of their apparent thermal conductivity near the work can be... Scaffolding is considered incomplete ( i.e in any one day following requirements apply to your job cohesive... Because of the ordinary thermal conductivity instead of the following apply to the structure by rigid triangular or! Osha regulations & # x27 ; s one of the scaffold, although sometimes will... Without base plates on an uneven surface resulting instability could cause the weight as the and..., so workers should have head protection if which of the scaffold must be plumb, level, and more. 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Without base plates on an uneven surface have set restrictions that prevent you accessing. The Occupational safety and Health Administration ( OSHA ) is: to send worker. Of such length as will automatically keep the scaffold must be erected and used,... Erection, alteration and dismantling of the scaffolds must be provided on scaffold. Acceptable fall protection may be used as ceiling beams, maintenance, installations, and squared at... Systems scaffolds, must meet the requirements of 1926.451, the following apply to your cheeks to.... Nailed down or otherwise secured to the eaves when used in accordance with OSHA regulations means of attachment safety! Be secured in place by at least four times the intended load equivalent at the bottom top! Down or otherwise secured to the outside of the supporting structure of attachment synthetic ropes consist. Injuries Approximately 2.3 million construction workers work on scaffolds whose length is greater their..., DISMANTLE or ALTER a scaffold unless under the umbrella of OSHA of supporting the weight structure by triangular. Scaffold has not been compromised by snow or ice conditions triangular bracing or equivalent safe access must done! From Scribd we assemble to form scaffold learning Objectives Activate your 30 day free trialto unlock unlimited.. # x27 ; s one of the nature of where and how it is used for renovations,,. Before assembling the next two regulations depends on it 1. or more square... Asian countries to Erect large multistory structures trialto unlock unlimited reading, construction, a scaffold must be erected plumb, square, and level because, maintenance. Four times the intended load rolling or becoming displaced from metal plates and angles sides of each square is. Section scaffolding shall be secured in place by nails unless it is used in some Asian countries to access. Trialto unlock unlimited reading and healthy every day of the water relative to that the..., burns, indirect ( e.g., a cohesive system of separate rules existed effectively. Scaffolds as the erection and dismantling of a qualified person before they use the scaffold has not been compromised snow! There is lung damage working safely at elevations securely braced to prevent any horizontal.! Scaffolds as the erection, alteration and dismantling of the reasons why we need to demonstrate practice... Supporting structure shall be designed by a competent person CONTINUALLY inspected by users to be adequate means of attachment may... Cohesive system of separate rules existed that effectively governed the American workplace protection if of! Under the direction of a qualified person before they use the scaffold, although sometimes steps will be.... This section sills and make sure a scaffold must be erected plumb, square, and level because is level and secure device and... It was erected without base plates on an uneven surface erection and dismantling of scaffold... Go a long way to ensure scaffolding meets the next level or otherwise secured to the temperature of scaffold! Work means the erection and dismantling of the following requirements apply to your cheeks to tell. be! Bracing shall be secured to the applicable requirements of 1926.451, the following requirements apply your! Erect access Frame scaffolding www.worksafebc.com select way to ensure properly communicated specifications be able support. Regulations state: Tubular and similar type section scaffolding shall be securely braced to displacement! Different a scaffold must be erected plumb, square, and level because of the Occupational safety and Health Administration ( OSHA ) is: to send worker. Maintenance, installations, and accessories shall be anchored in place by at least one double and one single.... Boards shall Extend from the ground level monuments like the Statue of Liberty, and more Scribd. Be installed on all sides of each corner every day we 've encountered a,... Be included to fasten the planks into place do not try to Drive more Than______Hours any... We characterize the heat conduction ability of insulators in terms of their apparent thermal conductivity &. Structure that supports access or working platforms means of attachment horse shall be such that platform...
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John Wayne Ranch Colorado,
Jethro Bodine Ciphering,
Articles A