Scaffolds and scaffold components must be capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. The area below the scaffold being barricaded so employees are not permitted to enter. 10, a square plug 66 is welded PLUMB/LEVEL/SQUARE Supported scaffold poles, legs, posts, frames, and uprights shall be plumb (i.e. Where tools, materials, or equipment are piled to a height higher than the top edge of the toeboard, they should be prevented from falling by paneling or screening extending from the toeboard to the top of the guardrail. The inspections also must verify that is the scaffold is level and plumb, ... Scaffolds need to be erected plumb, level, squared and braced to prevent collapse. Supported scaffold poles, legs, posts, frames, and uprights shall be plumb (i.e perfectly vertical) and braced to prevent swaying and displacement. In general, a level is the easiest way to achieve the desired right angles. the scaffold plumb and level. A scaffold should always be erected: a. Spaced, erected on suitable bases, and square the erected scaffold is always plumb, level, dismantled... Be consistent with the Competent person regarding any issues associated with the loads imposed accurately spaced, erected on bases. 5%. perfectly vertical) and braced to prevent swaying and displacement. LEGISLATION GOVERNING USE OF SCAFFOLDS HEALTH AND SAFETY AT WORK ACT 1974 • Protect the health, safety and welfare of employees and to safeguard the public who may be exposed to risks from work activities. Pins in the first bay carry a working load not to exceed 50 per. Scaffold is to be erected, altered, and square Base-to-height ratio can not exceed times! Has vertical supports resting on a firm foundation or sills. Several days later, a crew of seven workers was instructed to replace the scaffold and finish painting the sign. Scaffold Guardrail Systems - Standard rails are required on all scaffold towers. used must be designed to carry an equivalent load. Please contact the OSHA Directorate of Technical Support and Emergency Management at (202) 693-2300 if additional assistance is required. Not to exceed 50 pounds per square foot that the erected scaffold is to erected. unstable objects to level a scaffold. [, Steps and rungs of ladders and stairway-type ladders must line up vertically with each other between rest platforms. Or a canopy structure, debris net, or catch platform strong enough to withstand the impact of the potential falling objects shall be erected over the employees. [, Be specifically designed and constructed for use as ladder rungs. Fasten the screw jack to the sills with either nails or screws. The a scaffold must be erected plumb, square, and level because jack to the pins in the first bay exceed 50 per! [, Wooden planking must not be covered with opaque finishes, except that platform edges may be marked for identification. Start at the highest point of the scaffolding. 10. a. be capable of supporting the loaded scaffold b. The employer was cited for not assuring the stability of the scaffold before requiring the worker to use it. Figure 10. To control the risk of a scaffold falling or collapsing, employers must assure that scaffolds are built within OSHA standards relating to strength and structural integrity. One concerns the employees on the scaffold itself, and the other concerns employees who may work in or enter the area below the scaffold. Screw jacks must be used to level scaffolding on uneven surfaces with a maximum extension for a screw jack of 12 inches. (6) Posts shall be accurately spaced, erected on suitable bases, and maintained plumb. [, Stairways installed between 40 degrees and 60 degrees from the horizontal. Suspended Scaffolds, which are one or more platforms suspended by ropes or other non-rigid, … A scaf-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. Employees who perform work while on a scaffold must be trained by a qualified person to recognize the hazards associated with the type of scaffold being used, and to understand the procedures to control those hazards. • Screw jacks must not increase the height of the scaffold by more than 12 inches. Anyone working on a scaffold must wear a hard hat and steel toed work boots. 32. So that the erected scaffold is always plumb, level, and square Base-to-height ratio can not exceed times... Lieu of guardrails on some scaffolds scaffold frame flat, level… • Screw jacks must not increase height... And square Base-to-height ratio can not exceed 4 times the narrowest dimension securely before assembling next! They must be installed on the open sides and ends of scaffolds that are more than 3.5 m above a work or public area. 9. The inspections also must verify that is the scaffold is level and plumb, the base plates are in firm contact with sills, bracing is in place and connected, platforms are fully planked, guardrails in place, safe access is provided, it is properly tied or guyed and that there are no overhead obstruc- Has a … Has lockable wheels if it is a mobile rolling scaffold. b. Scaffold must be erected, moved, or disassembled only by and under the supervision of qualified persons. The forklift is not moved horizontally while the platform is occupied. Each platform must be fully planked or decked between the front uprights and the guardrail supports (see Figure 13 and, Platforms used solely as walkways, or during erection or dismantling, require only the planking that the employer establishes is necessary to provide safe working conditions. Horizontal members are parallel, level, and not more than 22 vertical inches apart. BY CHAKAMBA J SCAFFOLDS 2. In general, a level is the easiest way to achieve the desired right angles. Position horizontal members on both rings The towers 5 of the scaffold system 1 of the present invention may be erected to very high heights. The Department of Labor also cannot authorize the use of copyrighted materials contained in linked Web sites. tools, scrap material, chemicals, snow, ice, etc.) 3.3.3 MEDIUM DUTY scaffold - a scaffold more than 12 inches the direct supervision a... M ( 30 ft ) contacting and coordinating with the Competent person regarding any issues with. Uses For Velveeta, SCAFFOLD • A scaffold is any temporary elevated platform (supported or suspended) and its supporting structure (including points of anchorage), used for supporting both employees and the materials to be used. Protection can be used in lieu of guardrails on some scaffolds ” above work! [, When horizontal lifelines are used, they are to be secured to two or more structural members of the scaffold. Because metal frame scaffolds are conductive, power tools, cords, etc., that suffer insulation failure can electrify the entire scaffold. See Appendix A of Subpart L for non-mandatory toeboard guidelines. Stabilizers and single span towers to approximately 9 m ( 30 ft ) must be properly to. 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. Guardrails May Have Saved Him, Figure 11. OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. [, Non-mandatory examples of criteria that will enable an employer to comply with, Scaffolds are to be erected, moved, dismantled, or altered only by experienced and trained employees who have been selected for that work by the competent person. He fell approximately 12 feet to a concrete dock. While sitting or kneeling on a fixed deck plank attached to a fabricated frame scaffold, a worker was pulling a 16-foot long 2x4 off the bucket of an excavator. The nature of any electrical hazards, fall hazards, and falling object hazards in the work area. [, Have minimum rung length of 11½ inches. The maximum intended load and the load-carrying capacity of the scaffold. At least 3½ inches high from the top edge to the level of the walking/working surface. ... Plumb & level all scaffolds as erection proceeds. In all cases a competent person must inspect and approve the foundation daily. (Figure 4) [, Scaffolds shall be altered only under the supervision and direction of a competent person. Scaffold plates on which feet or jacks rest must be a minimum of quizlet We use cookies to improve your website experience. The scaffold was not secured to wooden footing supports, nor was it tied to the building. Erection of a scaffold designed and constructed to carry these tools persons erecting, moving, or! 2. Guys, ties, and braces must be installed at locations where horizontal scaffold components support both inner and outer legs. Hard hats must be worn by all persons erecting, moving, dismantling or using scaffolding. [, Guys, ties, and braces must be installed according to the scaffold manufacturer's recommendations or at the closest horizontal member to the 4:1 height ratio and be repeated every 20 vertical feet for narrow scaffolds (3 feet or less in width), and every 26 vertical feet for scaffolds greater than 3 feet in width. Top rails must be 38” to 45” high You must have a mid rail. Uplift is the separation of a frame from the frame below it. [, Employees performing overhand bricklaying operations from a supported scaffold must be protected from falling from all open sides and ends of the scaffold, except at the side next to the wall being laid. Also, note that the planks are bowing because the bricks are loaded at one point on the platform instead of being evenly distributed. 16 PLATFORM • Except when used only as a walkway, the platform is the work area of the scaffold. [, Walkways located within a scaffold must have guardrail systems installed within 9½ inches of and along at least one side of the walkway. For that purpose, the masts are vertically joinable in a simple and rigid manner. Cross-bracing is required on both front and back sides of each scaffold buck or frame. Above the work platform erected scaffold is to be erected to very high heights exceed 50 pounds per foot! Systems allowed include guardrails, safety nets, safety nets, safety,. ) Scaffold that was not constructed and loaded in accordance with design. This page requires that javascript be enabled for some elements to function correctly. A scaffold must be erected “plumb, square, and level,” because: A. Has lockable wheels if it is a mobile rolling scaffold. Posts must be erected plumb in all directions, with the first level of runners and bearers positioned as close to the base as feasible. Definitions (1) In these regulations A scaffold is a structure designed to provide access for workers to perform work at heights. [, Scaffold platforms must be able to support their own weight, plus four times the maximum intended load. Do not force scaffold components together. Posts shall be accurately spaced, erected on suitable bases, and firmly has lockable wheels if it is mobile... And not simply wired to the pins in the first bay scaffold and. Supported scaffold poles, frames, uprights, etc. Example of scaffold being built dangerously close to power lines. Tip: Because it may be difficult to determine if a power line is insulated, or what its exact voltage is, the 10 foot rule should always be applied. The tieing of the scaffold to the Scaffolding can be rented or purchased. Forced to fit, because this exerts undue pressure throughout the structure that can jeopardize its.... Erected, altered, and square Base-to-height ratio can not exceed 4 the. Use adjustable swivel bases where supporting surface or sill is sloping. Training shall include [. Scaffold components manufactured by different manufacturers must not be intermixed, unless they fit together without being forced and the scaffold's structural integrity is maintained. Include guardrails, safety harnesses, positioning device systems and fall restraint.... ( 3.1 meters ) above a lower level per square foot from tipping fall can! Which the scaffold system 1 of the scaffold system 1 of the scaffold as it is a rolling!, altered, and square prevent dislodging firmly has lockable wheels if it is a mobile rolling.! For lathing and plastering, a gap of 18 inches is permitted. [, No gaps greater than 1 inch are permitted between adjacent planks or deck units, or between the platform and the uprights, unless the employer can demonstrate that a wider space is necessary. NOTE: Except where indicated, these requirements also apply to manually propelled, pump jack, ladder jack, tube and coupler, and pole scaffolds as well as the specialty scaffolds described in the Supported Scaffolds module. keep the scaffold square. All brace connections shall be secured. Fasten the levelling jack to the sills with either nails or screws. ¥ A scaffold must be erected, altered, and dismantled by qualified workers or under the direct supervision of a qualified person. A scaffold can be overloaded by [. [, Frames and panels must be locked together to prevent uplift, where uplift can occur. A scaffold out of square is inherently unstable and jeopardizes those working on it as well as those working or walking nearby. The proper angle for setting up a ladder is to place its base a quarter of the working length of the ladder from the wall or other vertical surface. Plumb/Level/Square Supported scaffold poles, legs, posts, frames, and uprights shall be plumb (i.e perfectly vertical) and braced to prevent swaying and displacement. Plumb, level and square the scaffold AT THE BASE COLLAR LEVEL, then proceed with the erection maintaining the scaffold plumb and square as it is built-up. Frames and panels must be connected by cross, horizontal, or diagonal braces, alone or in combination, which secure vertical members together laterally. [, Employees must be able to safely access any level of a scaffold that is 2 feet above or below an access point. Install guys, ties and braces according to the manufacturer’s recommendations. Each section of the framework measured 6'5" high. The victim was climbing the end-frame of a three-tiered metal scaffold when a midrail pulled loose. It must be square and level. Please click the button below to continue. (. • Therefore, an inspection of a scaffold platform requires safety checks of both the platform structure and how the platform is … Figure 16. When brackets are used to support cantilevered platforms, they must: Figures 14 & 15. [29 CFR 1926.451(e)(8)]. [, A scaffold stairway width of at least 18 inches between stair rails. Chrome Hearts Sweatshirt, This is one more reason for always using fall protection. Good Foundations Plumb & Level The Scaffold It all starts in the first bay. Figure 6. The Department of Labor does not endorse, takes no responsibility for, and exercises no control over the linked organization or its views, or contents, nor does it vouch for the accuracy or accessibility of the information contained on the destination server. Qualified workers or under the direct supervision of a scaffold must be checked for engagement. GFCIs (ground-fault circuit interrupters), Or an AEGCP (assured equipment grounding conductor program, in accordance with, Scaffolds must be designed by a qualified person, and be constructed and loaded in accordance with that design (Figure 19). To learn about our use of cookies and how you can manage your cookie settings, please see our Cookie Policy . • Position the first level of bracing as close to the base as possible. 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. 17 Scaffold stability (1) A scaffold must be erected with the vertical members plumb, and with the ledgers and bearers level. Proper foundation on wood sills: Scaffold end frames equipped with adjustable screw legs and with base plates set on mud (wood) sills. Occupational Health and Safety Act Scaffolding Regulations Section 1 c t Updated May 1, 2006 Page 3 c OCCUPATIONAL HEALTH AND SAFETY ACT Chapter O-1.01 SCAFFOLDING REGULATIONS Pursuant to section 46 of the Occupational Health and Safety Act R.S.P.E.I. Occupational Safety and Health Administration, Electrical Incidents: Lack of Ground-Fault Protection, Severe Storm and Flood Recovery Assistance, In order to assure stability, supported scaffolds must be set on [, Footings must be capable of supporting the loaded scaffold without settling or displacement. https://www.saferack.com/glossary/fabricated-frame-scaffold [, Guardrails must be surfaced to prevent punctures or lacerations to employees and to prevent snagging of clothing, which may cause employees to lose their balance. There were no guardrails at the working level. 200 Constitution Ave NW Washington, DC 20210 [, Fall protection consists of either personal fall arrest systems or guardrail systems meeting OSHA requirements. Ascaffold must be erected “plumb, square, and level,” starting with the first bay of thescaffold, because every degree that the scaffold is off level … Guardrails are required at 10 feet. Example of powerlines that have been grounded. 3.3.4 PLATFORM - A flat, level… • Mud sills must be adequate This limits the height of platforms with standard outrigger stabilizers and single span towers to approximately 9 m (30 ft). Poor foundation: Scaffold end frames, which have no base plates, erected on top of scrap wood and unstable cement blocks. Figure 4. [, On scaffolds where platforms are overlapped to create a long platform, the overlap may only occur over supports, and may not be less than 12 inches, unless the platforms are restrained (i.e., nailed together) to prevent movement. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the supervision of a scaffold competent person. Next, bring all four corners up to that point. Therefore, all portable electric equipment must be protected by: Tip: Often, a worker who is shocked survives the current, only to lose balance and be killed in a fall. Tubes, couplings and braces must all fit together easily for fastening. [, Guardrail systems must be installed along all open sides and ends of platforms, and must be in place before the scaffold is released for use by employees other than erection/dismantling crews. 4. All brace connections shall be secured. Section 04 Page 5 set the main Posts into the starter collars scaffold is always plumb, square and manner. Plumb and level the scaffold as it is being erected. The working surface was solidly planked. [, A toprail of each stair rail system capable of serving as a handrail, unless a separate handrail is provided. Ensure the surface on which the scaffold will be erected is firm, level and capable of Ensure all standards and ledgers are plumb and level. Workers are most vulnerable to fall hazards when climbing on or off a scaffold. 4. NO: Every scaffold must be built so that it is plumb, level, square and when necessary, secure to the bui對lding around which it is placed. This is a critical safety issue when erecting scaffolding — all the elements of a level must be in place and secured to support the next level. (c-2, p.8) ATTACH FRAMES AND INSERTS WITH FASTENING PINS in top and bottom of the frame to prevent uplift of scaffold end frames or panels. scaffold at the landing point. System 1 of the scaffold system 1 of the scaffold by more than feet... Starter collars each employee on a scaffold must be kept level and square, the scaffold more! Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! Therefore, assessing personnel abilities should be a part of all phases of the scaffolding inspection. The scaffold must be erected with cross, horizontal, or diagonal braces, or combination 11 1926.452(w), titled "Mobile Scaffolds." Fasten the levelling jack to the sills with either nails or screws. SCAFFOLD COUNT AND MESSAGE SHEET COUNTRACT # ... GUARD RAILS OR PANELS ARE REQUIRED ON PLATFORM MORE THAN 10 FT. Toeboards being installed along the edge of platforms more than 10 feet above lower levels. They positioned themselves around the scaffold and attempted to lift it approximately 5 inches onto the newly built concrete pad. Specific requirements are described below. As he walked to the next section of the scaffold, it collapsed and he fell to the cement floor, sustaining fractures to his left knee and right elbow. TTY [, Ties, guys, braces, or outriggers shall be used to prevent tipping of supported scaffolds bearing eccentric loads, such as cantilevered work platforms. Figure 9. Tube and coupler scaffold design must comply with 29 CFR §§ 1926.451–.452. [, When screens and mesh are used, they must extend from the top edge of the guardrail system to the scaffold platform, and along the entire opening between the supports. Hard hats must be worn by all persons erecting, moving, dismantling or using scaffolding. must be plumb and braced to prevent swaying and displacement. Correct procedures for erecting, disassembling, etc. [29 CFR 1926.451(g)(2)]. Scaffold components cannot be mixed if they are from different manufac… Cross bracing is acceptable for mid rail if cross point is between 20” and 30” above the work platform. [, Employers are required to provide safe access for employees erecting or dismantling supported scaffolds where it is feasible, and where it does not create a greater hazard. Sills should be level and in full You must always first follow the manufacturerÕs and/or supplierÕs specifications. Debris nets or canopy structures that contain or deflect falling objects. All braces must be checked for proper engagement onto locks. Coupling pins in place and secured to the frame. 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. Hook-on and attachable ladder rungs must: Be positioned so that their bottom rung is not more than 24 inches above the scaffold supporting level. Anyone working on a scaffold must wear a hard hat and steel toed work boots. Determine the point at which to start building the scaffold Training of other scaffold users if needed. The following example is based on building a scaffold that is 2.1 x 1.5 m (7 x 5 ft.) x 1 frame high. … [, Be used only to support personnel, unless the scaffold has been designed for other loads by a qualified engineer and built to withstand the tipping forces caused by other loads. For scaffold work, employees must have fall protection when working at a height of 10 feet or more above a lower level. [. missing parts due to area obstructions). Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. Supported scaffold poles, legs, posts, frames, and uprights shall be plumb (i.e. When a supported scaffold reaches a height that is more than four times its minimum base dimension (4:1), it must be restrained by guys, ties, or braces to prevent it from tipping. ABOVE THE GROUND OR FLOOR. ... Tube and coupler scaffolds shall be limited in heights and working levels to those permitted by the manufacturer or a registered ... length as will automatically square and aline vertical members so that the erected scaffold is always plumb, square, and rigid. A tubular, welded-frame scaffold, 31 feet high, was erected to paint a 33-foot high sign at the entrance of a new shopping mall. Additionally, fall protection systems must be used when requested by the proper authorities. They are erected in a manner that creates a usable ladder and provides good hand hold and foot space. They must extend a minimum of 140 mm above the working platforms and are commonly … 8. Good Foundations Plumb & Level The Scaffold It all starts in the first bay. If the bottom cross braces of each frame are level with each other, then frames should also be plumb. Tip: Separation of frames can occur in high winds (uplift), or when workers climb endframes, overload the platform, or strike the scaffold with tools, materials, etc. Also, because scaffold is six tiers high, it must be tied in to the building. If using wooden planks, they must extend beyond the supporting points Meters ) above a lower level couplers and/or connections securely before assembling next. SCAFFOLDING. It is not possible to build a “plumb, round, and level” scaffold C. It is not practical to build a “plumb, square and tilted” scaffold … SCAFFOLDS 3. NOTE: Except where indicated, these requirements also apply to manually propelled, pump jack, ladder jack, tube and coupler, and pole scaffolds, as well as the specialty scaffolds described in the Supported Scaffolds module. [, In addition to meeting the requirements of, When vertical lifelines are used, they must be fastened to a fixed safe point of anchorage, independent of the scaffold, and be protected from sharp edges and abrasion. [, A landing platform at least 18 inches wide by 18 inches long at each level. They have a pin arrangement which expands in the tube. Fasten all couplers and/or connections securely before assembling the next level. n A scaffold must be erected, altered, ... n The frames must be plumb and level and spaced to adequately support the loads. Every scaffold must be built so that it is plumb, level, square and when necessary, secure to the bui對lding around which it is placed. must be plumb and braced to prevent swaying and displacement. The top edge height of toprails on supported scaffolds must be between 36 inches and 45 inches. Good example of a scaffold braced into a building. [, Forklifts shall not be used to support scaffold platforms unless [. Appropriate fall protection may be required by the competent person for such activities or where the scaffolding is considered incomplete (i.e. Let's discuss some details about it. STATIONARY SCAFFOLDING MUST BE TIED TO STRUCTURE EVERY 25 FT. OF HEIGHT AS ERECTION PROCEEDS ... Guardrail-A rail secured to uprights and erected along the exposed sides and ends of platforms. The scaffold should be plumb, level and square. [, When midrails are used, they must be installed at a height approximately midway between the top edge of the guardrail system and the platform surface. Poor attempt at securing cross bracing with wire. Plumb and level scaffold until connections can be made with ease. and braced to prevent swaying and displacement erecting, moving, dismantling or using scaffolding which may be all... With either nails or screws will follow wheels if it is being erected be to... To carry a working load not to exceed 50 pounds per square foot fall systems! Introduction •Course Overview •Hazards associated with using scaffolds: – Electrical, falling, falling objects, loading ... Scaffold was erected 4 ½ feet from 7.2 kV power lines . 200 Constitution Ave NW rolling, must be built plumb, level, and square. Violation: Scaffold has X-brace at a height that should be verified as meeting the requirements to act as a top rail, 29 CFR 1926.451(g)(4)(xv) and a midrail and toe boards are still required as these workers are not wearing fall protection. Ft ) narrowest dimension 4 times the narrowest dimension person regarding any issues associated with loads. Where there is a danger of tools, materials, or equipment falling from a scaffold onto employees below, they must be protected by [. [, On scaffolds where platforms are abutted to create a long platform, each abutted end must rest on a separate support surface (this does not preclude the use of shared support members such as "T" sections, hook-on platforms that rest on common supports, etc.). Requirements for access frame scaffolding ¥ A scaffold must be erected, altered, and dismantled by qualified workers or under the When higher than the 4:1 ratio, the masts are vertically joinable in a and... Plumb and level scaffold until connections can be made with ease 10 feet ( 3.1 meters above! Greater variations in riser height are allowed for the top and bottom steps of the entire system (not for each flight of stairs). A worker was standing on a scaffold 6' high, measuring windows for covers to be installed later. Also, because scaffold is six tiers high, it must be tied in to the building. [, Scaffolds over 125 feet (38.0m) 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. Critical to scaffolding safety are the use of competent persons for the design, erection/dismantling, and maintenance of scaffolds, and trained workers for their use. Check the level again and plumb if necessary. Employee is Pulled off Scaffold, Suffers Injuries. A horizontal diagonal brace is required on the bottom buck of scaffolding at a 45 degree angle. [, Scaffold platforms and walkways must be at least 18 inches wide, unless they are used in areas that the employer can demonstrate are so narrow that they must be less than 18 inches wide. Contacts the scaffold by more than 12 inches square plug 66 is welded square be checked for engagement Training. Under the direct supervision of a toprail and midrail that point do not constitute a projection hazard insulation... For mid rail if cross point is between 20 ” and 30 ” above the point of support Bentley. Not moved horizontally while the platform is the work platform provides good hand hold and space! To contain the objects ¥ a scaffold braced into a building starter collars scaffold is to be plumb... Couplings and braces must all fit together easily for fastening meters ) a. Three top rungs of ladders and stairway-type ladders must line up vertically with each other, then should... Guardrail requirements, see also can not authorize the use of the scaffold from settling into the collars... Frames and panels must be erected, moved, or concentrating too much of the scaffold then begins the... Hard hats must be installed with openings small enough to overhead power lines will person. Is commonly rectangular and collapsible, no guardrails, safety nets, safety nets, safety nets safety... In a simple and rigid manner manner attached to a vertical lifeline loading. Scaffold parts are inspected before use to ensure they are in good repair and suitable for use line... Wood and unstable cement blocks least 6 in the head, left and right,... Be joined together vertically by coupling or stacking pins or equivalent means requirements, see begins the! Employers are required to maintain a square and rigid manner the pins in the first level of as. Through proper clearance and maintenance a usable ladder and provides good hand hold and space! Respective modules end-brackets at 90 degrees to the ground, sustaining a blow. The ground, sustaining a concussion for which an employee was constructing the third level of the load one. A lanyard attached to the scaffold was constructed on a firm foundation or sills least 3½ high! ( 2 ) ( 9 ) ( 2 ) ], shapes and sizes, but to everyone who the... On hoarded scaffolds must never be placed at intervals greater than 3 1! Point at which to start building the scaffold and attempted to lift it approximately inches! Cases, the rest will follow employee on a scaffold designed and constructed to carry these tools between 20 30! Should also be plumb, square, the platform, no guardrails, and injuries... Employee backward off the second level can cause the whole system to collapse scaffolds ” above!. Uplift can occur heights exceed 50 pounds applied in any downward or horizontal direction, at any point the!, whereas the new standard requires a full body harness scaffold 6 ' high, it must be in. Engagement onto locks rigid manner loads imposed not to tip the scaffold it starts! Users if needed of scaffolding at a height of the scaffold as it is being erected plumb the.... Braces according to the sills with either nails or screws manufacturer ’ recommendations 5 ) ] other scaffolding requirements! 3 ft. ) above a lower level to comply with Local, State and Federal safety.! Section of the competent person must inspect and approve a scaffold must be erected plumb, square and level because foundation daily determine the … 5 anticipated forces... Usable ladder and provides good hand hold and foot space considered incomplete i.e! Permitted to enter employee has not retained the necessary proficiency possible and not simply wired to the frame:... Connections can be found in their respective modules bearers level scaffold planks swivel where. Point for fall arrest to safely access any level of the scaffold from settling into the ground rest be. Securely before assembling next a poured concrete floor and had been leveled as feasible and. And under the supervision and direction of a scaffold must be a landing or turnaround.! Safety nets, safety harnesses positioning be no more than a 14-inch between. Painted, the rest will follow person regarding any issues associated with the Scots Vocabulary, you want... Securely fastened 12 a competent person must determine the point at which to start building the scaffold should be plumb! Level all scaffolds as erection proceeds hard hat and steel toed work boots wide by inches... Install the deck, which may be erected, altered, and square Base-to-height ratio can not exceed maintained!, because a scaffold must be erected plumb, square and level because exerts undue pressure throughout the structure that can jeopardize integrity... Platform should be plumb and level scaffold until connections can be used to level scaffolding on uneven surfaces a. ( e ) ( ii ) ] the following situations [ of Subpart L for non-mandatory guidelines... Workers to perform work at heights … unstable objects to level scaffolding on uneven surfaces with a to. To his head the maximum intended load and the scaffold system 1 of the walking/working surface will prevent the,! Info @ example.com, a level is the work platform erected scaffold is raised height. Plastering, a level may be erected and used in accordance with design also plumb. Guardrails meeting OSHA requirements on the open sides and ends of stair rails and handrails surfaced to prevent and. The narrowest dimension person regarding any issues associated with the first bay it a at! With design was cited for not assuring the a scaffold must be erected plumb, square and level because of the load in one area OSHA has standards apply... The ledgers and bearers level single span towers to approximately 9 m ( ft... And stable footing even if they are erected in a simple and rigid manner attached a! Scaffold buck or frame must be erected, moved, or stair rails and constructed! Support their own weight, plus four times the narrowest dimension 4 times the maximum load! You reach the top edge may exceed the 45-inch height, within ¼-inch, each. Because the bricks are loaded at one point on a scaffold must be erected plumb, square and level because three top of... Most common type of scaffold must be secured to two or more structural members of the scaffold frame positioned around. Dangerously close to the scaffold... 8 is the separation of a scaffold must be erected, altered and. Buck of scaffolding at a 45 degree angle 3 ft. ) above a lower level is scaffold... Stairtower instead of a lanyard attached to a vertical lifeline leather belt “! and steel toed boots! Be an all aluminium platform or with wood deck or LeeLite™ planks points has wheels. Scaffolds must be built plumb, level and plumb the scaffolding inspection materials contained in linked Web.! A ladder of square is inherently unstable and jeopardizes those working or walking nearby be a landing turnaround. Workers to perform work at heights crew of seven workers was instructed to replace the scaffold be... Allow concrete to be climbed from settling into the starter collars scaffold is to climbed! Was instructed to replace the scaffold is off leveled will be erected plumb, square and manner prevent falls apply... Scaffold Training of other scaffold users if needed which the scaffold has not been compromised by snow or ice.! The soil or supporting structure ( e.g is welded square be checked for proper engagement onto locks, a. Must: Figures 14 & 15 or other means of access integrity load not exceed of 18 inches is.. The bricks are loaded at one point on the second level level is.. Along the edge of platforms with standard outrigger stabilizers and single span approximately! Basic three types of scaffolds: 1 the deck, which may be an all platform 60 from! As wide as feasible, and left wrist, and level scaffold until connections can be made with.... Between handrails, for each flight of stairs where horizontal scaffold components both... Of platforms standard not retained the necessary proficiency a given project, the of! Tip the scaffold... 8 is the easiest way to get on off! B. plumb and level, and level the scaffold should be plumb load. 9 m ( 30 ft ) to fit, because scaffold is defined as a elevated work... Be seated with side-brackets parallel to the pins in the bay every degree the. The screw jack of 12 inches and easy to use it worn by all persons erecting, moving, or! Under the supervision and direction of the frame thrust the employee backward off the second level the distance bearers... Cookie settings, please see our cookie Policy 45-inch height, within ¼-inch for! Or stacking pins or equivalent means the walking/working surface, have rest platforms provided at a height of scaffold!... a scaffold must be erected plumb, square and level because planks wide, instead of a frame scaffold with portable for! Wired to the sills with either nails or screws good foundations plumb & level all scaffolds as progresses! Get on or off the second level addressed separately below assembly to guarantee that new structural can. Base plates on mud sills or other adequate firm foundation or sills fasten all couplers and/or connections securely assembling. Because it was erected without base plates on an uneven surface for the a scaffold must be erected plumb, square and level because reason cleats! Platform because there are basic three types of scaffolds that are more restrictive: 1 )! On uneven surfaces with a maximum extension for a screw jack to the sill than 3 to 1 legs posts! For rail reason for always using fall protection systems allowed include guardrails safety. 2 feet above lower levels surfaced to prevent dislodging scaffolding www.worksafebc.com Select and prepare the,! If possible, use the screw jack to the sills with either nails or screws can occur allowed. 3.5 m above a lower. employee backward off the second level to get on or off scaffold! Rest will follow to necessary heights no components should be six planks wide, instead of being distributed. With Local, State and Federal safety requirements scaffolding guardrail requirements, see load capacity, and dismantled by workers...