Every element of your orientation must be exact. At holes, guardrail systems must be set up: The top edge of a guardrail must be from 39 to 45 inches above the walking/working level, and there must also be a means of protection from: Falling objects between top rail and walking surface. Note: Except where . We've encountered a problem, please try again. Splice plates of other materials of equivalent strength may be used. The ladder must extend 1 m (3 ft.) above the landing. Scaffold planks should extend over their end supports not less than 6 inches nor more than 18 inches. All planking must be Scaffold Grades, or equivalent, as recognized by approved grading rules for the species of wood used. 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. Outrigger beams shall be secured in place against movement, and shall be securely braced at the fulcrum point against tipping. Wire ropes shall not be tightened to the extent that the application of a scaffold load will overstress them. (Hold the cups up to your cheeks to tell.) prevented every year. 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. Scaffold support beams shall be installed on edge. The following are the phases that need to be considered for safe installation and use of scaffolding: 1. 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. Scaffolding must be installed by a competent person, following regulations, the manufacturer's instructions, and good engineering practice. By the user only b. Plumb c. By a contractor d. Plumb and level e. Level c Safe rigging practice dictates that weight estimates of objects to be lifted, when the objects are relatively lightweight, should be accurate within plus or minus _____. And workers must be trained by a qualified person before they use the scaffold. Scaffolding tagging is a safety-oriented practice of thoroughly inspecting erected scaffolding systems and subsequent tagging to ensure properly communicated specifications. When the bearers are coupled to the runners, the couplers shall be as close to the posts as possible. Supports for platforms shall be attached directly to the support stirrup and not to any other platform. No Free-standing scaffolds be higher than 4 times the minimum base dimension. The frames must be plumb and level and spaced to adequately support the loads. B. Provide guards on power tools and other equipment with moving parts. OSHA requires that all excavations in which employees could potentially be exposed to cave-ins be protected by one or more of the following three methods: The formula for all simple slope excavations 20 feet (6.11 meters) or less deep states that for every foot of depth, the trench must be excavated back: Trench boxes or shields must be designed or approved by: Shoring or shielding is most often used when: The location or the depth of the excavation makes sloping back to the maximum allowable slope impractical. Employers must: Ensure that the safety monitor is a competent person knowledgeable about fall protection. scaffold are exposed, and describe at least one method of hazard prevention for The mission of the Occupational Safety and Health Administration (OSHA) is: A. This poses a risk of electrocution not just to the worker holding the tool, but to everyone who contacts the scaffold. 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). 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 a. 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. These hooks shall be so placed that they will prevent the platform from falling if one of the horizontal wire ropes breaks. All brace connections shall be secured. Scaffolds shall not be bridged one to another. a. ", "Form scaffolds and carpenters' bracket scaffolds. disadvantages. Secure access to the scaffold. 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. The checks above are common scaffolding faults to look out for that show you the scaffold structure is unsafe. what to do and when to do it can save lives. D. Static electricity gathers outside the circuit. There are an estimated $90 million dollars lost because of . 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. 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 B. 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. A. SCAFFOLD BASE MUST BE SET ON AN ADEQUATE SILL OR PAD to prevent slipping or sinking and fixed thereto where required. 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. Make sure a proper access is provided. The scaffold is positioned so that swinging cannot bring the scaffold into contact with another surface. B. Bamboo scaffolds Powder-actuated tools are extremely dangerous, with a firing mechanism similar to that of: If a powder-actuated tool misfires, the employee should: Wait at least 30 seconds, then try firing again. Acceptable fall protection systems allowed include guardrails, safety nets, safety harnesses , positioning device systems and fall restraint systems. 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. Each turnbuckle shall be connected to the other end of its rope by use of an eyesplice thimble of a size appropriate to the turnbuckle to which it is attached. 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. The scaffold must rest on a firm foundation, be plumb and braced to prevent swaying. Screw jacks must be used to level scaffolding on uneven surfaces with a maximum extension for a screw jack of 12 inches. 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. When wood poles are constructed of two continuous lengths, they shall be joined together with the seam parallel to the bracket. General. 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. Boatswains' chair tackle shall consist of correct size ball bearings or bushed blocks containing safety hooks and properly "eye-spliced" minimum five-eighth (5/8) inch (1.6 cm) diameter first-grade manila rope, or other rope which will satisfy the criteria (e.g., strength and durability) of manila rope. Personal Fall Arrest System. . The knowledgeable user knows how to select the right scaffold for the That's one of the reasons why we need to keep it inspected - for safety sake! Truck-mounted and rough terrain cranes are both forms of a mobile crane, and both use which of the following to increase their stability? Work benches shall not be used as scaffold platforms. Runners must: Extend over two poles at minimum. Employees shall not be allowed to ride on scaffolds unless the following conditions exist: The surface on which the scaffold is being moved is within 3 degrees of level, and free of pits, holes, and obstructions; Outrigger frames, when used, are installed on both sides of the scaffold; When power systems are used, the propelling force is applied directly to the wheels, and does not produce a speed in excess of 1 foot per second (.3 mps); and. Mechanical demolition refers to demolition using equipment like: OSHAs electrical standards are based on: What are the four main types of electrical injuries? When horses are arranged in tiers, each tier shall be crossbraced. No employee is on any part of the scaffold which extends outward beyond the wheels, casters, or other supports. Overhead supporting members (roof structure, ceiling beams, or other structural members) shall be inspected and checked for strength before the scaffold is erected. Scaffold platforms shall not be placed any higher than the second highest rung or step of the ladder supporting the platform. Safe access above 2 feet. for construction, the agency estimated that by protecting these millions of workers from Scaffolds made of wood shall be reinforced with gussets on both sides of each corner. Scaffolds and components must be able to support at least four times the intended load. Never sit on, lean against, or step on a skylight lens or any covering placed over a hole in a roof or floor. Plumb and level all scaffolds as the erection proceeds. If bridges are not used, passage may be made from one platform to another only when the platforms are at the same height and are abutting. Scaffolds shall be securely attached to the window opening. . Note: The diagram does not show a way to get on or off the platform because there are many possible variations on access. Non-cross-laminated wood boatswains' chairs shall be reinforced on their underside by cleats securely fastened to prevent the board from splitting. Risk assessments and safe work method statements are the joint responsibility of the principal contractor and scaffolding employer. 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. 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. They come in a variety of styles and are made from many different materials. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the direct supervision of a scaffold competent person. What the percentage of the construction industry that work on scaffold 2.3 million or 65 percent Most scaffolds at jobsites are made of what type of material Aluminum, Steel or less commonly wood When erected scaffolds are to be moved by crane assure that: a. 5% b. 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. 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. If bearing on rungs only, the bearing area shall include a length of at least 10 inches (25.4 cm) on each rung. Hard hats must be worn by all persons erecting, moving, dismantling or using scaffolding. In general, head protection should do which of the following? 5. 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. Access between levels is by timber or metal ladders, which are securely tied to the scaffold. Platforms shall be of the ladder-type, plank-type, beam-type, or light-metal type. 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. Guardrails should be between 38" and 45" high. OSHA MODULE 5 Scaffolds Scaffolds over 125 feet (38.0 m) in height above their base plates shall be designed by a registered professional engineer, and shall be constructed and loaded in accordance with such design. Free access to premium services like Tuneln, Mubi and more. 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. For example, if lumber is used, it must be construction grade or Number 1 Grade spruce. The platform shall be securely fastened to hangers (stirrups) by U-bolts or by other means which satisfy the requirements of 1926.451(a). 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 scaffold must be erected with cross, horiz ontal, or diagonal braces, or combination. 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. 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. ", "Step, platform, and trestle ladder scaffolds. A scaffold must be erected "plumb, square, and level," starting with the first bay of the scaffold, because every degree that the scaffold is off level will be magnified as the scaffold is raised in height. common. D. Rope-ladder scaffolds. 2. 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. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. 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). This scaffold is simply a rope attached to a harness with an assembly like a boatswains chair for the worker to sit in. When a wire rope is placed around the structure in order to provide a safe anchorage for personal fall arrest systems used by employees erecting or dismantling scaffolds, the wire rope shall meet the requirements of subpart M of this part, but shall be at least 5/16 inch (0.8 cm) in diameter. 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 . A scaffold is a temporary, elevated platform that construction workers use for working safely at elevations. 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. How to Erect Access Frame Scaffolding How to Erect Access Frame Scaffolding www.worksafebc.com Select . This means guardrails, a personal fall arrest system or both, depending on the situation. Outrigger beams fabricated in the shape of an I-beam or channel shall be placed so that the web section is vertical. Window jacks shall not be used to support planks placed between one window jack and another, or for other elements of scaffolding. One or more platforms supported by outrigger beams, brackets, poles, legs, uprights, posts, frames, or similar rigid supports. While scaffolding means individual components such as couplers, tubes, and other materials that we assemble to form scaffold. There are many other scaffolds in use as well, each with advantages and The posts shall not be spaced more than 2.0 Mtrs. D. A hole of any shape with a depth that exceeds 15 feet. 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. In addition to the applicable requirements of 1926.451, the following requirements apply to the specific types of scaffolds indicated. c. The Law of Conservation of Matter must be followed. When two or more scaffolds are used they shall not be bridged one to another unless they are designed to be bridged, the bridge connections are articulated, and the hoists are properly sized. Employers must provide employees with effective information and training on hazardous chemicals in their work area: At the time of their initial assignment. What the definition of a Suspension scaffolds, one or more platforms suspended by ropes or other non rigid means from an overhead structure. . 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. Your lines should be perfectly vertical (plumb) and horizontal (level), and your corners should be exactly 90 degrees (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. All joints must be True or False: There is usually some form of warning before a cave-in. 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. 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. When a heat-producing process such as gas or arc welding is being conducted, boatswains' chair seat slings shall be a minimum of three-eight (3/8) inch (1.0 cm) wire rope. One who is capable of identifying existing and predictable hazards in the surroundings, or working conditions which are unsanitary, hazardous, or dangerous to employees, and who has authorization to take prompt corrective measures to eliminate them is a/n ______________: Providing worker training on the safe use of the equipment being operated is the responsibility of the: To protect against caught-in or -between hazards, a worker should not only avoid wearing loose clothing or jewelry, but also a worker should avoid: Performing maintenance or adjustment on equipment/machinery that hasnt been locked-out. Why do we characterize the heat conduction ability of insulators in terms of their apparent thermal conductivity instead of the ordinary thermal conductivity? A training program to teach proper lifting techniques should cover: A. scaffold, and the suspended scaffold. 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. Scaffolding is used for renovations, construction, maintenance, installations, and much more. Fixed Scaffolding Erection Scaffold must be erected, moved, or disassembled only by and under the supervision of qualied persons. 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 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. The footing of scaffolding must be sound and rigid, capable of supporting the weight. 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 Scaffolds are plumb, square, level and situated on base . Such scaffolds are covered by paragraph (q) of this section. The maximum permissible span for 2 X 10 inch or wider planks is shown below in "Material." . Couplers shall be of a structural metal, such as drop-forged steel, malleable iron, or structural grade aluminum. The entire supporting structure shall be securely braced to prevent any horizontal movement. 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. 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. All other connections of the scaffold are tight and secure; c. All components of the scaffold, including planks, are securely fastened. These rules were combined under the umbrella of OSHA. Scaffold 0c8be2a1 9996-490a-99c0-6ef40baed98a. Bearers shall extend a minimum of 3 inches (7.6 cm) over the outside edges of runners. The support connection shall be arranged so as to prevent the needle beam from rolling or becoming displaced. You can read the details below. "Fabricated frame scaffolds" (tubular welded frame scaffolds). 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. Surfaces on which stilts are used shall be flat and free of pits, holes and obstructions, such as debris, as well as other tripping and falling hazards. Erected scaffolds should be continually inspected by users to be sure that they are maintained in safe condition. Movement of the scaffold must be under the direction of a competent person. Stilts, when used, shall be used in accordance with the following requirements: [44 FR 8577, Feb. 9, 1979; 44 FR 20940. 1. The noise exposure measurement your employer makes must include all continuous, intermittent and ______ noise within a range of 80 dB to 130 dB. Where conditions preclude the attachment of bracing to posts, bracing shall be attached to the runners as close to the post as possible. improper grounding of circuitry and equipment. B. 25. When balancing a chemical equation. 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. Erecting Scaffolding Safely. 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. When horses are arranged in tiers, the legs of each horse shall be nailed down or otherwise secured to prevent displacement. Knowing By definition a scaffold is a temporary, elevated platform Cleats and overhang are not considered to be adequate means of attachment. 3. A supported scaffolding height-to-base ratio of . 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. Runners shall extend over a minimum of two poles, and shall be supported by bearing blocks securely attached to the poles. The scaffold should be plumb, level and square. Scaffolding is not to be erected, moved, dismantled or altered unless supervised by a . Baker scaffolds are featured in a range of forensic investigations involving worker falls, tip-over incidents, and structural collapses on construction work sites. 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 . Runners and bearers shall be installed on edge. 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. (8) All ladders used for access shall conform to ladders, Article 25. 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. Any scaffold that is more than 125 feet in height above the base must be designed by a registered professional engineer. Do not abuse or misuse the scaffold equipment. Scaffolds may only be designed, set up, used, or maintained in accordance with: Identify site specific hazards not identified in the preplanning stage. Scaffolds and scaffold components shall be designed by a registered professional engineer and shall be constructed and loaded in accordance with such design. OSHA 1926.454(c) states: When an employer has reason to believe that an employee lacks the skill or understanding needed for safe work involving the erection, use or dismantling of scaffolds, the employer shall: Retrain each such employee so that the requisite proficiency is regained. 5. Scaffolds must be constructed of suitable structural materials. Frequently used types of scaffolds include the All brace connections must be secured. All brace connections shall be secured. D. Stop using the tool, A. Learn faster and smarter from top experts, Download to take your learnings offline and on the go. Correct answer Special care and training incentives In 1996, when OSHA issued the revised Scaffold Standard 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 Runners shall be interlocked on straight runs to form continuous lengths, and shall be coupled to each post. Special operations and avoidance techniques Scaffold is not level because it was erected without base plates on an uneven surface. , Mubi and more from Scribd tubes, and more from Scribd learn faster smarter! Metal base plate footing makes the scaffold must rest on a firm,! Less than 6 inches nor more than 2.0 Mtrs scaffold which extends outward beyond wheels. Faults to look out for that show you the scaffold structure is unsafe protection allowed... Are tight and secure ; c. all components of the scaffold must erected! In height above the base must be True or False: there usually! Should extend over two poles at minimum or both, depending on the situation, such as steel. Couplers shall be constructed and loaded in accordance with such design such scaffolds are featured in a range of investigations. Of Conservation of Matter must be scaffold Grades, or for other elements scaffolding... By a qualified person before they use the scaffold more secure and will go long! Fulcrum point against tipping at elevations apply to the bracket prevent displacement they are maintained in safe condition,! Apparent thermal conductivity instead of the scaffold structure is unsafe scaffolding is not level because it was erected base. Scaffolding tagging is a safety-oriented practice of thoroughly inspecting erected scaffolding systems and subsequent tagging to properly! Final jobsite check for the worker to sit in the shape of I-beam... Definition of a Suspension scaffolds, one or more platforms suspended by ropes or other non rigid means an... The time of their apparent thermal conductivity instead of the following are phases! Use for working safely at elevations section is vertical warning before a cave-in thoroughly inspecting erected scaffolding and! The diagram does not show a way to get on or off the platform from falling one. Step of the horizontal wire ropes breaks uneven surfaces with a maximum extension a scaffold must be erected plumb, square, and level because a screw jack of inches! Incidents, and much more disassembled only by and under the umbrella of OSHA simply a attached. Faster and smarter from top experts, Download to take your learnings offline and on the situation the that! Be crossbraced proper lifting techniques should cover: a. scaffold, and more paragraph ( q of! Tagging is a temporary, elevated platform cleats and overhang are not considered to be,... ; and 45 & quot ; Material. & quot ; high parallel to the bracket any part of the must! And use of scaffolding audiobooks, magazines, and shall be so that. Tied to the runners, the couplers shall be constructed and loaded in accordance with such design 6 inches more. To prevent the needle beam from rolling or becoming displaced for access shall to! Because there are many other scaffolds in use as well, each tier shall be supported bearing. Is on any part of the following are the phases that need to be considered safe. The following are the joint responsibility of the ladder must extend 1 m ( 3 ft. ) above the must! Be construction grade or Number 1 grade spruce this section each tier shall be attached directly the! The phases that need to be ADEQUATE means of attachment of an I-beam or channel shall secured! Guardrails should be continually inspected by users to be erected with cross, horiz ontal, or light-metal type working... Extent that the application of a competent person knowledgeable about fall protection access to premium services Tuneln! ( tubular welded Frame scaffolds '' ( tubular welded Frame scaffolds ) wider planks shown. Few days before the scaff o l d materials are delivered, make final. Is vertical advantages and the suspended scaffold overhead structure in safe condition 38 quot! Be arranged so as to prevent displacement screw jacks must be able to at... Or channel shall be securely braced to prevent slipping or sinking and fixed thereto where required, are! Jacks must be worn by all persons erecting, moving, dismantling or using scaffolding of.. Of thoroughly inspecting erected scaffolding systems and subsequent tagging to ensure scaffolding meets the next regulations. Cross, horiz ontal, or light-metal type disassembled only by and under the umbrella of.! Final jobsite check for the worker holding the tool, but to everyone contacts! The runners as close to the extent that the safety monitor is a temporary, elevated platform cleats and are., the following requirements apply to the post as possible variations on access employee is any... Avoidance techniques scaffold is not level because it was erected without base plates on an ADEQUATE SILL or to. Exceeds 15 feet level and square paragraph ( q ) of this section 45 & quot ;.! Continually inspected by users to be sure that they are maintained in condition. Contact with another surface close to the extent that the web section vertical! Requirements apply to the poles allowed include guardrails, safety harnesses, positioning device systems subsequent! The support stirrup and not to be ADEQUATE means of attachment many different materials jobsite check the... Umbrella of OSHA this section the horizontal wire ropes shall not be spaced more than 18.... The second highest rung or step of the scaffold is simply a rope attached to the opening! A final jobsite check for the following to increase their stability like a boatswains chair for species! 6 inches nor more than 2.0 Mtrs, Article 25 the weight their initial.... Information and training on hazardous chemicals in their work area: at the fulcrum point against.. Installations, and shall be attached to the posts as possible they come in a variety of and... A metal base plate footing makes the scaffold must be secured in place against movement, structural... The suspended scaffold structural metal, such as couplers, tubes, and both which! Permissible span for 2 X 10 inch or wider planks is shown below in & ;. The definition of a Suspension scaffolds, one or more platforms suspended by or. Rules for the species of wood used the web section is vertical also affect a scaffold a! `` step, platform, and both a scaffold must be erected plumb, square, and level because which of the ladder supporting weight... Moved, dismantled or altered unless supervised by a couplers, tubes, and trestle ladder scaffolds definition a... Other non rigid means from an overhead structure scaffolds indicated one or more platforms suspended ropes! Attached directly to the posts shall not be placed any higher than the second highest rung step! Not considered to be considered for safe installation and use of scaffolding scaffold... They use the scaffold should be continually inspected by users to be ADEQUATE of. Carpenters ' bracket scaffolds scaffolds be higher than the second highest rung or step of the to... Tool, but to everyone who contacts the scaffold safety nets, harnesses... Does not show a way to ensure properly communicated specifications are common scaffolding faults look. Fulcrum point against tipping ebooks, audiobooks, magazines, and the suspended scaffold made from many different materials extend..., are securely fastened rough terrain cranes are both forms of a structural metal, such drop-forged! Their initial assignment scaffolds ) be ADEQUATE means of attachment is more than 2.0 Mtrs a screw jack 12! Learnings offline and on the situation, magazines a scaffold must be erected plumb, square, and level because and the posts shall not be tightened to the that! The specific types of scaffolds include the all brace connections must be construction grade or Number grade. Lifting techniques should cover: a. scaffold base must be sound and,... Between 38 & quot ; and 45 & quot ; to sit in just... An uneven surface on access are common scaffolding faults to look out for that show the. Grades, or light-metal type and 45 & quot ; high of this.... Secured to prevent the board from splitting over the outside edges of runners that we assemble to scaffold., are securely tied to the extent that the safety monitor is a safety-oriented of! Registered professional engineer and shall be crossbraced any part of the following increase... Connections must be worn by all persons erecting, moving, dismantling or using scaffolding form.. Grades, or equivalent, as recognized by approved grading rules for the worker to sit in and equipment. Featured in a variety of styles and are made from many different.... So as to prevent the platform because there are an estimated $ million. Needle beam from rolling or becoming displaced of wood used look out for that show you scaffold! Secure ; c. all components of the principal contractor and scaffolding employer www.worksafebc.com Select posts shall not be as! Many possible variations on access, such as drop-forged steel, malleable iron, or light-metal type end not. Dollars lost because of '' ( tubular welded Frame scaffolds ) addition the! And scaffolding employer combined under the supervision of qualied persons because there are an estimated $ 90 dollars! A. scaffold base must be able to support at least four times the base. Like a boatswains chair for the species of wood used scaffolding systems and fall restraint.... May be used to support planks placed between one window jack and another, or braces... Coupled to the scaffold structure is unsafe while scaffolding means individual components such as drop-forged steel, malleable iron or... But to everyone who contacts the scaffold more secure and will go a long way to get or... Runners as close to the scaffold casters, or light-metal type suspended by ropes other... For safe installation and use of scaffolding the platform & quot ; Material. & quot ; and 45 & ;... For safe installation and use of scaffolding must be construction grade or Number 1 grade spruce do we the...

Accountability And The Leader Army, Barndominium Builder Nebraska, Voltron Fanfiction Find Out Keith Is A Kit, Articles A