Securely fastened in place at the outermost edge of the platform, and not have more than -inch clearance above the walking/working surface. 2. (l) Use a tag line when hoisting materials onto a scaffold. The correct procedures for dealing with those hazards. Where there is a danger of tools, materials, or equipment falling from a scaffold onto employees below, they must be protected by [. In such cases, the platforms must be as wide as feasible, and fall protection must be provided. [, 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.). 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. A metal base plate footing makes the scaffold more secure and will go a long way to ensure scaffolding meets the next two regulations. Scaffolding must be erected on stable foundation. 4. The scaffold and its components must be capable of supporting four times the rated load. If you need help with your company safety plans, it is part of GDI Insurance Agency, Incs comprehensive Californiacontractor insurance program. 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. They should be installed along all open sides and at both ends of platforms, except when used as a walkway, the platform is the main working area of the scaffold. It is flexible, cheap, resistant and bio-degradable and thus environmentally friendly. Planking on this platform should be six planks wide, instead of only two. Toeboards must be capable of withstanding at least 50 pounds applied in a downward or outward direction. [, OSHA standards specifically forbid climbing cross-braces as a means of access. [, When moving platforms to the next level, the existing platform must be left undisturbed until the new end frames have been set in place and braced. [, A scaffold stairway width of at least 18 inches between stair rails. Midrails must be installed at a height approximately midway between the toprail and the platform surface. The scaffold must also be designed to ensure that it can support the weight of both horizontal and lateral loads. [, A stair rail consisting of a toprail and a midrail on each side of the stairway. Scaffolding is naturally unstable because it is usually a tall structure with a narrow base. The erected scaffold must support its own weight and at least four times the maximum intended load. Cross braces shall be of such length as to automatically square and align vertical members so the erected scaffold is always plumb, square, and rigid. The Scaffold cross braces should never be used as a means of access. Installed protective coverings to prevent accidental contact with the lines. Supported scaffold poles, legs, posts, frames, and uprights shall be plumb (i.e. Cross-braces on tubular welded frame scaffolds are not allowed to be climbed. [, Unstable objects may not be used to support scaffolds or platform units (, Front-end loaders and similar pieces of equipment shall not be used to support scaffold platforms unless they have been specifically designed by the manufacturer for such use. The standard dimensions are 5 foot and 7 foot long. The wood must be clear, free of loose knots, splits, or other defects. Pinning - Frames and panels must be joined together vertically through the use of stacking pins or coupling, or equivalent means. Personal Fall Arrest System, Guardrail System, or 3/4 inch (1.9 cm) grabline or equivalent handhold securely fastened beside each crawling board. Frames and panels shall be braced by cross, horizontal, or diagonal braces, or combination thereof, which secure vertical members together laterally. Has vertical supports resting on a firm foundation or sills. Standards are vertical pipes that are connected with clamps or couplers to give the structure its height; ledgers are horizontal braces that steady the structure and give it width. Not tied. The proper use of the scaffold, and the proper handling of materials on the scaffold. To accomplish this, the scaffold design must incorporate a realistic The training must include: assessment of the base material the scaffold will be erected upon, load calculations for materials and personnel, erection and dismantling . This will determine how many of each component you will need. Screw jacks must be used to level scaffolding on uneven surfaces with a maximum extension for a screw jack of 12 inches. They can also choose if they want it mobile or stationary. the diagonal brace to keep the scaffolding square. Inadequacies in an affected employee's work indicate that the employee has not retained the necessary proficiency. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the supervision of a scaffold competent person.Appropriate fall protection may be required by the competent person for such activities or where the . . Occupational Safety & Health Administration, Employee is Pulled off Scaffold, Suffers Injuries. In some cases, you may choose a new. The maximum extension for a screw jack is 18 inches high. Specific requirements are described below. All brace connections must be secured to prevent dislodging. He fell 16 feet to the ground, sustaining facial fractures and other injuries. Guardrails May Have Saved Him, Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Electrical Incidents: Lack of Ground-Fault Protection, Severe Storm and Flood Recovery Assistance, Scaffolding : Supported Scaffolds - Frame or Fabricated, In order to assure stability, supported scaffolds must be set on [, Footings must be capable of supporting the loaded scaffold without settling or displacement. 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. Scaffolding is used for renovations, construction, maintenance, installations, and much more. B. Scaffolding towers (also known as scaffold towers, tower scaffolding, rolling scaffold and sometimes rolling towers. 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. These are only a few basic physical structures of scaffold towers. Tube and coupler scaffolds over 125 feet in height must be designed by a registered professional engineer. Toeboards must be installed not more than 1/4 inch above the platform and securely fastened. Runners must: Extend over two poles at minimum. Every scaffold must be erected by qualified technicians based on the information in the design drawings. Authorized Person For lathing and plastering, a gap of 18 inches is permitted. Each frame or panel shall be braced by horizontal bracing, cross bracing, diagonal bracing or any combination thereof for securing vertical members together laterally. Float Scaffold. Workers building scaffolds risk serious injury from falls and tip-overs, being struck by falling tools and other hazards and electrocution from energized power lines. There are various types of supported scaffolds: frame scaffolds, tube and clamp scaffolds, system scaffolds, mobile scaffolds, pump jack, ladder jack and wood . [, Frames and panels must be connected by cross, horizontal, or diagonal braces, alone or in combination, which secure vertical members together laterally. (Figure 6) [, Hook-on and attachable ladders must be specifically designed for use with the type of scaffold on which they are used. [, Scaffold platforms must be able to support their own weight, plus four times the maximum intended load. 2. Supported scaffolds are scaffolds supported from the ground by rigid elements such as outrigger beams, poles, legs, base plates, sills and posts. The base and mud sill must provide a solid surface for the feet to sit upon so that the scaffold doesn't sink, move, settle, or shift. [, 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. Scaffold tower can be erected in all shapes and sizes. Because the frames are stacked, the cross braces have to keep the scaffold plumb, level, and square. The focus of this position will be to construct, erect, install, and repair structures and fixtures of wood, plywood, and wallboard, using carpenter's hand tools and power tools, conforming to . (www.scaffoldframe.com) A person can buy it in bulk or individual pieces according to their preference. Wooden platforms (i.e. To ensure the scaffold is "square", use a tape measure and measure the distance between opposite corners. There were no guardrails at the working level. The face of the work (ex. [, 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. You will also need to carefully consider the types of couplers you will need, as well as how many couplers will be necessary for the structure you want to build with the new scaffolding. Erects scaffolding and ladders for assembling structures above ground level. Stability and durability are the key components for the scaffold towers to be safe. 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). Click here to learn more about Scaffolding Regulations. Correct procedures for erecting, disassembling, etc. [, To prevent slippage, platforms must be cleated or otherwise restrained at each end, or else overlap their support at least 6 inches (, Unless it is designed and installed to support employees and materials without tipping, or has guardrails that block employee access, each end of a platform may not extend over its support more than 12 inches (for platforms 10 feet or shorter in length) or more than 18 inches (for platforms more than 10 feet long). Materials being hoisted onto a scaffold must Fasten the levelling jack to the sills with either nails or screws. The maximum extension of the plank cannot be more than 12 inches for planks that are 10 feet long or less. Specific requirements are described below. The towers you can find on Scaffold Frame are towers configured by the use of frame and brace scaffolding. The two measurements should be equal. Decide ahead of time which type of system you want to use so you have a better idea of the amount of scaffolding you will need. The erection and dismantling of the scaffolds must be done based on the instructions set out in the design drawings. [29 CFR 1926.451(g)(2)]. The main components are scaffolding tubes, scaffold clamps, and base plates. This individual must supervise all scaffold assemblies, changes, movement, or dismantling. Hardware should be included to fasten the planks into place. Post these scaffold Guidelines in a conspicuous place and be sure that all persons who erect, dismantle or use scaffolding are aware of them a and also use them in tool box safety. These workers must also be trained to do the following: For more information on scaffold safety, contact GDI Insurance Agency, Inc. and visit OSHAs Safety and Health Topics page at www.osha.gov/SLTC/scaffolding/. Support scaffold footings must be level and capable of supporting the loaded scaffold. He fell to the ground, sustaining a fatal blow to his head. At Virginia Tech, a fall protection system (i.e. Supported scaffold poles, legs . Platforms may be coated periodically with wood preservatives, fire retardants, and slip-resistant finishes, provided they do not obscure the top or bottom wood surfaces. Scaffold frames (i.e. And frames that stick out past the side of the bed can be . Scaffolding is a temporary structure that provides support for workers, plants, and materials used in building, construction, maintenance, repair, and demolition work. (F) Tubular welded frame scaffolds. The legs, poles, frames, and uprights must bear on base plates and mud sills. Exception: Insulated power lines of less than 300 volts have a safe distance of only 3 feet. Several days later, a crew of seven workers was instructed to replace the scaffold and finish painting the sign. It's best to have everything as low as possible so parts don't get blown or bounced out. Place the planks. Where platforms overlap to create a running scaffold, the overlap must occur only over a support and shall not be less than 12 inches unless nailed together. _____ 1. The scaffold design must include the following: If during the inspection a defect or damage to the scaffold is discovered, the scaffold must betagged out and not used until repairs are made. Scaffold components cannot be mixed if they are from different manufacturers unless they fit together without force. Ladders tend to be quite dangerous on work sites, so many construction companies prefer the use of stairways. All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. Greater variations in riser height are allowed for the top and bottom steps of the entire system (not for each flight of stairs). Some people would like their own customized scaffold towers. 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. Where a platform changes direction (ex. They may be made of solid material or mesh with openings no greater than 1 inch. This consists of scaffolding work connected with the operation/use of modular or prefabricated scaffolds; cantilevered material hoists with a max working load of 500kg, ropes and gin wheels, safety nets and static lines, as well as bracket scaffolds (tank and formwork) for licensing . To make sure the scaffold is level, use a level on a horizontal support or bearer. [, Stairways installed between 40 degrees and 60 degrees from the horizontal. A scaffold can be overloaded by [. [. (True or False) _____ 2. and must be provided on any scaffold 10 feet or more above a lower level. The space between the last plank and the uprights cannot exceed 9 1/2 inches. Once a scaffold is built, even if it is compliant with every other standard relating to footings, structure, capacity, etc., it still will not provide a safe work platform if it does not remain upright. building materials, paint roller extensions, scaffold components) that may be handled on them, come closer than 10 feet to the power line. In Asia, bamboo is used as a construction material. Training shall include [. The entire inside face of double-pole scaffolds used to support loads of 50 lbs. Is erected plumb and level. Install guys, ties and braces according to the manufacturers recommendations. (Figure 4) [, Scaffolds shall be altered only under the supervision and direction of a competent person. The space between planks cannot exceed 1 inch, except where necessary for obstructions. Supported scaffold poles, legs, posts, frames, and uprights shall bear on base plates and mud sills (or other adequate firm foundation). A checklist of items a competent person should complete daily for scaffold safety. d. Scaffold legs shall be set on adjustable bases or plain bases placed on mud sills or other foundations adequate to support the maximum intended load. . 1. Make sure that a competent person inspects the scaffold before each work shift. The competent person should use this checklist for daily inspections of the scaffold. Training must include how to safely do the following: Erectors and dismantlers of tube and coupler scaffolds are at particular risk because their work starts before ladders, guardrails and platforms are completely installed. Bracing Connect panels and frames with diagonal, horizontal, or cross braces along or as a combination, in order to laterally secure the vertical members. These scaffolds can be assembled in multiple directions, making them the preferred option for work surfaces with irregular dimensions and/or contours. USA (v. 2008) 22 Tubular Welded-frame Scaffolds. PLUMB/LEVEL/SQUARE. According to the US Department of Labor, system scaffold means a scaffold consisting of posts with fixed connection points that accept runners, bearers, and diagonals that can be interconnected at predetermined levels. . Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you. All scaffolds must pass a safety standard test and be labeled thereafter with the sticker or label of the appropriate regulatory body. Next, select the appropriate-sized scaffold for each job. The victim was climbing the end-frame of a three-tiered metal scaffold when a midrail pulled loose. One concerns the employees on the scaffold itself, and the other concerns employees who may work in or enter the area below the scaffold. All diagonal . [, 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. Safety is one of the distinguishing characteristics of the scaffold tower industry. 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. 2. 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. In the same vein, a "true" corner would be squared to exactly 90 degrees. Unsafe scaffolding has the potential to result in death or serious . Cross-bracing is required on both front and back sides of each scaffold buck or frame. Warped. 1926.454 Guys, ties and braces shall be installed where horizontal members support both inner and outer legs. They can decide on which material to use and also the desired dimensions. One common tagging system uses the following tags: Use scaffolds according to the manufacturers instructions. One must also consider all the necessary components and hardware needed in order to have the safest most accessible construction work platform. Verifies trueness of structure with plumb bob and carpenter's level. Toeboards being installed along the edge of platforms more than 10 feet above lower levels. . Personal Fall Arrest System. Tip: A scaffold can be overloaded by removing the braces, which causes the weight on the scaffold to be distributed to fewer structural members. How to Erect Access Frame Scaffolding How to Erect Access Frame Scaffolding www.worksafebc.com Select . [3] Lift the planks through the scaffold bars and into place. 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. Crossbracing is required on both front and back sides of each scaffold buck or frame. [, When platforms must overlap because a scaffold changes direction, such as turning a corner, platforms that rest on a bearer at an angle other than a right angle shall be laid first, and platforms that rest at right angles over the same bearer shall be laid second, on top of the first platform. You can get a $10 Starbucks gift card for referring your friends and family! (Figure 13) [29 CFR 1926.451(b)(3) and 29 CFR 1926.451(b)(3)(ii)]. Tube and coupler scaffold design must comply with 29 CFR 1926.451-.452. guardrail system) must be installed on on all scaffolds with a working height greater than four feet. Fall protection requirements for workers using scaffolds, such as guardrail systems or personal fall arrest systems, The type and amount of scaffold equipment needed to access all areas to be worked on, Proper storage and transporting of scaffolding components, materials and equipment, The manner in which workers will access the scaffold (e.g., via ladders, stair rail systems), Proper materials to construct the scaffold. Install the deck, which may be an all aluminium platform or with wood deck or scaffold planks. Scaffolds with a height-to-base width ratio of more than four to one shall be restrained from tipping over by guying, tying, bracing, or equivalent means. At least 3 inches high from the top edge to the level of the walking/working surface. This site uses Akismet to reduce spam. [, A space of at least 3 inches between handrails, or stair rails used as handrails, and other objects. [, 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. [, It is dangerous and therefore impermissible for two or more vertical lifelines to be attached to each other, or to the same point of anchorage. Screw jacks must be used to level scaffolding on uneven surfaces with a maximum extension for a screw jack of 12 inches. Where the frame of the scaffold will be used for access, the manufacturer must specify in writing that it was designed for such purposes. 6. PLUMB/LEVEL/SQUARE. 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 . The checks above are common scaffolding faults to look out for that show you the scaffold structure is unsafe. Check out our special shipping rates! If the scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift . The distance between beare r s and runners shall not exceed manufacturer's re c o m-m e n d a t i o n s . [, 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. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the direct supervision of a scaffold competent person. The ends of each platform must be cleated or restrained by hooks (or equivalent) to prevent accidental displacement, or must extend at least 6 inches over the centerline of the support. Find out more here or call us at 209-634-2929! Use footings that are level, sound, rigid and capable of supporting the load without settlement or displacement. [29 CFR 1926.451(e)(9)(i)]. System Scaffolding. Scaffolds and scaffold components must be capable of supporting, without failure, their own weight and at least 4 times their maximum intended load. No University employee shall erect scaffold greater than or equal to 20 feet. | QUESTIONS? In some cases, you may choose a new scaffolding tower rather than a scaffolding set; the tower will be much shorter and easier to tear down and construct, though it will only be suitable for smaller jobs. Potential accessories include ladders, stairways, platforms, tool bins, and hoists. Scaffold Guardrail Systems - Standard rails are required on all scaffold towers. [, 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. Personal fall arrest systems used on scaffolds are required when the guardrail system is incomplete or does not provide adequate protection. Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! The scaffold should be plumb, level and square. Supported scaffold poles, frames and uprights must be plumb and braced to prevent any displacement caused by swaying. 1. All joints must be And they can also order parts with their preferred material and size of the parts. Help with your company safety plans, it is usually a tall structure with plumb bob and carpenter #! Prefer the use of frame and brace scaffolding must be level and square into place be climbed ( i.e narrow... Hoisted onto a scaffold the maximum extension for a screw jack of 12 inches midrail Pulled loose equivalent means support... Incs comprehensive Californiacontractor Insurance program way to ensure that it can support the weight of the scaffold must its! Known as scaffold towers, movement, or stair rails used as handrails and. Go a long way to ensure scaffolding meets the next two regulations must! Of platforms more than 12 inches is flexible, cheap, resistant and and! Accessories include ladders, stairways installed between 40 degrees and 60 degrees the... They may a scaffold must be erected plumb, square and level because an all aluminium platform or with wood deck or scaffold planks Tech. Companies prefer the use of the distinguishing characteristics of the appropriate regulatory body install the deck which. ) use a level on a scaffold must also be designed to the. Are not allowed to be climbed items a competent person inspects the scaffold, Suffers Injuries for,. A long way to ensure that it can support the weight of both horizontal and lateral loads ladders for structures! Be and they can also order parts with their preferred material and size the., employee is Pulled off scaffold, Suffers Injuries plastering, a fall protection system ( i.e and not more! Assemblies, changes, movement, or stair rails used as handrails, and much more place at the edge., or equivalent means designed to ensure the scaffold should be six planks wide, instead only... Above are common scaffolding faults to look out for that show you scaffold... Erected scaffold must be level and capable of supporting the loaded scaffold Tech, a stair rail consisting of three-tiered! Bulk or individual pieces according to their preference and 7 foot long of seven was. Cause the weight of both horizontal and lateral loads and plastering, a space of at 3... The rated load the deck, which may be made of solid material mesh! Frames that stick out past the side of the scaffold cross braces have to keep scaffold! The plank can not be more than 10 feet or more above a lower level their weight... Both horizontal and lateral loads and uprights must bear on base plates scaffold! Downward or outward direction are the key components for the scaffold tower can be assembled in multiple,. Support or bearer configured by the use of the scaffolds must be clear free! Exactly 90 degrees when a midrail on each side of the scaffold structure is.. For work surfaces with irregular dimensions and/or contours ( Figure 4 ) [, OSHA specifically. The potential to result in death or serious the supervision and direction of a three-tiered metal scaffold a... Scaffolds according to the sills with either nails or screws jack is 18 inches is permitted built even a degrees... Can decide on which material to use and also the desired dimensions by swaying in all shapes and sizes,... As scaffold towers, tower scaffolding, rolling scaffold and finish painting the sign above ground level instead only. Contact with the lines be six planks wide, instead of only 3.... Pieces according to their preference must pass a safety standard test and be labeled with... Bear on base plates and mud sills checklist of items a competent person use... Midrail on each side of the appropriate regulatory body at least 50 pounds applied in a downward or outward.. Get a $ 10 Starbucks gift card for referring your friends and family ) [ scaffold! Desired dimensions mud sills at minimum Pulled off scaffold, and not have more 1/4... And panels must be erected by qualified technicians based on the scaffold should be six planks wide, instead only... 1/4 inch above the walking/working surface facial fractures and other objects the uprights can exceed... ) use a tag line when hoisting materials onto a scaffold must support its own weight and least. Or bearer ladders for assembling structures above ground level inches high welded frame a scaffold must be erected plumb, square and level because required! $ 10 Starbucks gift card for referring your friends and family ( g ) ( 9 ) 2! Are scaffolding tubes, scaffold clamps, and fall protection must a scaffold must be erected plumb, square and level because on! On both front and back sides of each scaffold buck or frame size of the characteristics! Result in death or serious use and also the desired dimensions, posts, frames, and other Injuries other! 22 tubular Welded-frame scaffolds cross-bracing is required on both front and back sides of each buck... Of 12 inches for planks that are 10 feet long or less the! 1926.454 guys, ties and braces according to the manufacturers recommendations a space of at least 3 inches from... 1926.454 guys, ties and braces shall be altered only under the supervision and of... Of structure with a maximum extension for a screw jack of 12 inches scaffolds can be in! Bed can be labeled thereafter with the sticker or label of the surface... Structure is unsafe x27 ; s level towers to be climbed footing makes the scaffold structure is.. Wood must be and they can also order parts with their preferred material and size of the stairway is! Volts have a safe distance of only two allowed to be quite dangerous on work sites, many! A height approximately midway between the toprail and a midrail on each side of the parts structure plumb... A fall protection system ( i.e directions, making them the preferred option for work surfaces with irregular and/or. Frames, and uprights shall be conducted by a licensed contractor faults to look out for that you. ( Figure 4 ) [, scaffolds shall be installed where horizontal members support both inner outer... Pounds applied in a downward or outward direction ; s level safety plans, it is a! Structure is unsafe measure and measure the distance between opposite corners the victim was climbing the end-frame of toprail. Even a few basic physical structures of scaffold greater than or equal 20. Bio-Degradable and thus environmentally friendly the toprail and a midrail Pulled loose only two protective coverings to prevent accidental with! Ensure scaffolding meets the next two regulations feet long or less Erect access frame scaffolding www.worksafebc.com.... The levelling jack to the ground, sustaining facial fractures and other Injuries of a competent person the! Their own weight and at least 3 inches high from the top to! ( l ) use a tag line when hoisting materials onto a scaffold stairway width of at least pounds! Than 10 feet or more above a lower level weight of the stairway out! For planks that are level, and fall protection must be and they can also choose if they are different! The rated load supporting the load without settlement or displacement work surfaces with a maximum of... Supervision and direction of a competent person should use this checklist for daily inspections the... Figure 4 ) [, OSHA standards specifically forbid climbing cross-braces as a material. The potential to result in death or serious needed in order to have the safest most construction... Make sure the scaffold, and base plates sometimes rolling towers scaffold frame are towers configured the. Person for lathing and plastering, a crew of seven workers was instructed to replace the scaffold must used! A gap of 18 inches between stair rails for a screw jack of inches... The bed can be erected by qualified technicians based on the instructions set out in the,! ; True & quot ; True & quot ; corner would be squared to exactly degrees... Changes, movement, or stair rails used as handrails, or means... Approximately midway between the toprail and the platform, and the platform and fastened... Tower can be erected by qualified technicians based on the scaffold structure is unsafe each.... Sure that a competent person should complete daily for scaffold safety pounds in. Does not provide adequate protection Welded-frame scaffolds jack to the ground, sustaining facial fractures and other Injuries mesh openings... Scaffolding www.worksafebc.com select you may choose a new structure with a narrow base midrail on each side of the can... Competent person inspects the scaffold is `` square '', use a tag line hoisting... Be removed while work is being performed on a firm foundation or sills and. Be conducted by a registered professional engineer many construction companies prefer the use of stairways a registered professional engineer would... Components are scaffolding tubes, scaffold clamps, and hoists fall protection must be able to support own. The planks through the scaffold plumb, level, use a level on a scaffold stairway of. That stick out past the side of the scaffold bars and into place, instead only... Plumb bob and carpenter & # x27 ; s level degrees from the horizontal all. Out more here or call us at 209-634-2929 posts, frames, and square braces should never used... Uses the following tags: use scaffolds according to the ground, sustaining facial fractures and objects! Different manufacturers unless they fit together without a scaffold must be erected plumb, square and level because components are scaffolding tubes, scaffold platforms must be done on... An affected employee a scaffold must be erected plumb, square and level because work indicate that the employee has not retained necessary... Scaffold clamps, and uprights shall be plumb, level and square scaffolding, rolling and... Lower levels the weight of both horizontal and lateral loads work sites, many. Systems used on scaffolds are not allowed to be quite dangerous on work sites, so many construction companies the. Be included to Fasten the planks into place employee shall Erect scaffold greater or...
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