If you need new scaffolding for larger jobs, you will need to determine how high and wide you are likely to build the scaffolding. The entire inside face of double-pole scaffolds used to support loads of 50 lbs. Move the scaffold into your desired position, and make sure it is level and secure. At least 3 inches high from the top edge to the level of the walking/working surface. The hazards of type of scaffold being used. The correct procedures for dealing with those hazards. Haul Scaffolding Safely. All brace connections shall be made secure and checked for proper engagement of the locks. building materials, paint roller extensions, scaffold components) that may be handled on them, come closer than 10 feet to the power line. [29 CFR 1926.451(e)(8)], The competent person is responsible for determining the safety and feasibility of installing and using safe means of access, based on site conditions and the type of scaffold involved. This instability causes the weight to shift from one leg to another and could cause the overload of the leg and the collapse of the scaffold. This risk can be removed through proper clearance and maintenance. One must also consider all the necessary components and hardware needed in order to have the safest most accessible construction work platform. 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 competent person must determine personal fall protection requirements for employees performing erecting or dismantling activities, and for scaffold users if the scaffold is incomplete for any reason. 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. Do not use makeshift methods to increase the working height of the scaffold platform, such as with ladders, buckets or blocks. A worker was standing on a scaffold 6' high, measuring windows for covers to be installed later. If the base width is wider than three feet, the first tie will be a vertical distance of four times the base width and every 26 feet vertically thereafter. Ensure that a competent person supervises and directs workers erecting, moving, dismantling or altering a scaffold; Provide a safe means of access for each worker erecting or dismantling the scaffold. Top rails must be capable of supporting at least 200 pounds applied in a downward or outward direction. Therefore, an inspection of a scaffold platform requires safety checks of both the platform structure and how the platform is used by the workers. [, A space of at least 3 inches between handrails, or stair rails used as handrails, and other objects. [, Employees must be able to safely access any level of a scaffold that is 2 feet above or below an access point. Improper Access Leads to Serious Injuries. Only two workers may be on a pumpjack scaffold at a time. [, 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. This type of tubular construction equipment has been around for a very long time. These scaffolds can be assembled in multiple directions, making them the preferred option for work surfaces with irregular dimensions and/or contours. In such cases, the platforms must be as wide as feasible, and fall protection must be provided. If uplift could cause the components to separate, locking pins must be used and the components secured. [, 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. USA (v. 2008) 22 Tubular Welded-frame Scaffolds. That's one of the reasons why we need to keep it inspected - for safety sake! (1) Scaffolds shall be properly braced by diagonal braces for securing vertical members together laterally, and the cross braces shall be of such length as will automatically square and align vertical members so that the erected scaffold is always plumb, square, and rigid. 6. 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. Erectors and dismantlers face additional access problems due to the incomplete condition of the scaffolding. Is secured to prevent lateral movement. l) The poles, legs, or uprights of scaffolds will be plumb, secured, and rigidly braced to prevent swaying and/or displacement. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. 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. As early as possible, install hook-on or attachable ladders; Ensure that workers do not climb diagonal braces to reach the scaffold platform; Provide fall protection for workers erecting or dismantling the scaffold; and. [, 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. How to use a plumb bob. Due to their strength, these scaffolds are frequently used where heavy loads need to be carried, or where multiple platforms must reach several stories high. Horizontal members are parallel, level, and not more than 22 vertical inches apart. (Figure 5) [, Frames and panels must be joined together vertically by coupling or stacking pins or equivalent means. Faults: Damaged. To prevent movement, the scaffold must be secured to the building or structure at intervals not to exceed 30 feet horizontally and 26 feet vertically. All brace connections shall be . The technical storage or access that is used exclusively for anonymous statistical purposes. Plumb and level the scaffold as it is being erected. [, When intermediate members (such as balusters or additional rails) are used, they must be no more than 19 inches apart. Employees are not permitted to work on or from a scaffold during storms or high wind, unless a competent person has determined that it is safe, and those employees are protected by [29 CFR 1926.451(f)(12)]: Because they may be built in proximity to overhead power lines, and because they are often made of metal, scaffolds can put workers at risk of electrocution. Platforms and walkways, in general, must be at least 18 inches wide. 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. Posts shall be erected plumb in all directions, with the first level of runners and bearers positioned as close to the base as feasible. Cross-braces of the proper length must be used to ensure that the scaffold will remain plumb and rigid. [, Guardrails meeting OSHA requirements on the open sides and ends of each landing. [, Have uniform spacing between rungs of a maximum 16 inches. At Virginia Tech, a fall protection system (i.e. You can measure if something is plumb by using a plumb bob or a spirit or laser level. Use this training tool to review the safety requirements for a frame scaffold, in the following phases: It is impossible for a stable structure to be built upon a foundation that does not start out square and level. The working surface was solidly planked. To make sure the scaffold is level, use a level on a horizontal support or bearer. (7) Ribbons shall be erected along the length of the scaffold, located on both the inside and the outside posts . the side of a building) basically serves as the fall protection system. Scaffold is not level because it was erected without base plates on an uneven surface. Lanyards or connecting devices must be connected to a vertical lifeline (1st choice), a horizontal lifeline (2nd choice), or a structural member of the scaffold (last choice). A qualified person must design all scaffolding in accordance with OSHA 29 CFR 1926.451 "General Requirements for Scaffolds" and 29 CFR 1926.452 "Additional . Scaffolds must be fully planked or decked whenever possible. He fell approximately 12 feet to a concrete dock. Position the first level of bracing as close to the base as possible. [, Not be used as work platforms when rungs are less than 11 inches in length, unless each affected employee uses appropriate fall protection. 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. All equipment must be inspected to see that it is in good condition and serviceable. To accomplish this, the scaffold design must incorporate a realistic assessment of maximum intended loads on the scaffold at all stages of erection and loading. Scaffolds need to be erected plumb, level, squared and braced to . Toeboards being installed along the edge of platforms more than 10 feet above lower levels. Guardrails must be installed on scaffolding over 10'. The Scaffold cross braces should never be used as a means of access. 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. (True or False) _____ 3. Where a platform changes direction (ex. Scaffold tower can be erected in all shapes and sizes. Materials being hoisted onto a scaffold must 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. Top rails (manufactured after 1/1/2000) must be 38 - 45 inches above the platform surface. In certain industries such as oil refinery, aviation, gas and chemical manufacture it is necessary to use glass fiber structures as these will not spark or corrode in situations where gasoline, solvents, electricity and so forth are present. 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. Cross-braces on tubular welded frame scaffolds are not allowed to be climbed. Every scaffold must be erected by qualified technicians based on the information in the design drawings. Planking on this platform should be six planks wide, instead of only two. [, 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. Scaffolding must be erected on stable foundation. Rolling interior and exterior scaffolding are referred to as mobile scaffold towers, and they are a type of scaffolding tower that have scaffolding casters attached to the end of all the scaffold legs on which they stand: these can be swiveled and moved around to be employed as work support in different locations without less need of dismantling and then reconstructing them. General Guidelines. Scaffold planks should extend over their end supports not less than 6 inches nor more than 18 inches. Others, such as swivel couplers, can be used for a variety of purposes; they can be positioned to allow various angles and crosses among the types of piping. 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 . Supported scaffold poles, legs, posts, frames, and uprights shall bear on base plates and mud sills (or other adequate firm foundation). 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. Authorized Person Not tied. Ladder Jack Scaffold. Unstable objects, such as bricks, cinder blocks, buckets, scrap lumber, etc., shall not be used to support or level scaffolds. _____ 1. The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network. Therefore, employers are required to provide safe scaffold access. e) must be made of pipe E WCB Regulations state: Tubular and similar type section scaffolding shall be erected plumb and _____. Able to withstand a force of at least 50 pounds applied in any downward or horizontal direction, at any point along the toeboard. 3. Employers shall retrain each employee when they have reason to believe that the employee lacks the skill or understanding to safely erect, use, or dismantle a scaffold. We pride ourselves on exceeding our clients expectations in every interaction to make sure that our clients know how much we value and appreciate their business. 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 common type of standard scaffolding used in the US is tube and clamp scaffolding, which is assembled by fixing together all the different components. The size of the mud sill shall be based on the type of soil the scaffold will be erected upon. (l) Use a tag line when hoisting materials onto a scaffold. he first step in choosing the best type of scaffolding to us is determining how you intend to use it as well as how often you will be setting up and tearing down the piping. Stack up the planks, braces and bases on the bottom between the wheel wells, and stack the frames on top. All erection of scaffold greater than or equal to 20 feet shall be conducted by a licensed contractor. 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. is allowed to accumulate on the platform. In the same vein, a "true" corner would be squared to exactly 90 degrees. The picture above describes TRUE. Mobile scaffolding towers are also known as rolling scaffolding, portable scaffold, scaffolding on wheels, and multipurpose scaffolding. Connect the first cross- brace to the frame. Installed protective coverings to prevent accidental contact with the lines. Follow all state, local and federal codes, ordinance and regulations pertaining to scaffolding. No handhold available. This is one more reason for always using fall protection. Any surface or angle may be judged to be "true" through a combination of qualitative tests. Personal Fall Arrest System. [, Be specifically designed and constructed for use as ladder rungs. Exception: Insulated power lines of less than 300 volts have a safe distance of only 3 feet. C. Survey the job site. [, For other scaffolding guardrail requirements, see, 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. Has a platform that is at least 500mm wide. As they were lifting the scaffold, the top section partially separated from the adjoining section, toppled over, and contacted a power line. [, Fall protection consists of either personal fall arrest systems or guardrail systems meeting OSHA requirements. 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. PLUMB/LEVEL/SQUARE. 1. 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. Unsafe scaffolding has the potential to result in death or serious . The three main components of new scaffolding are standards, ledgers, and transoms. In addition, the scaffold and its components must support, without failure, its own weight and at least four times its maximum intended load. While steel is the expensive option, it is the one which will inevitably last longer and represents a good investment for people who must use a scaffolding tower on a regular basis. This site uses Akismet to reduce spam. Use the scaffold, handle materials on the scaffold and determine the maximum load limits when handling materials, Recognize and avoid scaffolding hazards such as electric shock, falls from heights and being hit by falling objects, Erect, maintain and disassemble fall and falling object protection systems, Properly erect, move, operate, repair, inspect, maintain and disassemble the scaffold, Identify the maximum load-carrying capacity and intended use of the scaffold. Has vertical supports resting on a firm foundation or sills. (Figure 6) [, Hook-on and attachable ladders must be specifically designed for use with the type of scaffold on which they are used. Pumpjack scaffolds are for light duty only. And they can also order parts with their preferred material and size of the parts. Fasten all couplers and/or connections . [, If a ramp or walkway has a slope of more than 1:8, it must have cleats securely fastened to the planks not more than 14 inches apart, to provide footing. The wood must be clear, free of loose knots, splits, or other defects. [. Secure access to the scaffold. 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. [, Scaffold components manufactured by different manufacturers are not allowed to be modified to make them fit together, unless a competent person determines that the resulting scaffold is structurally sound. [, 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. When the other end of the 2x4 slipped off the bucket, the employee did not let go of his end, and was pulled off the deck. . Crawling Board. Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. (True or False) _____ 2. Independent scaffolds can stand erect by themselves or maintain stability from the wall they have been attached and built next to. | QUESTIONS? 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 . He suffered multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. Check the level again and plumb if necessary. Do not force frames or braces to fit - level the scaffold until proper fit can easily be made. [29 CFR 1926.451(e)(9)(i)]. The jack-nut at the highest ground level should be set 7.5-15 cm (3-6 in.) All brace connections must be secured to prevent dislodging. (www.scaffoldframe.com) A person can buy it in bulk or individual pieces according to their preference. Make sure that a competent person inspects the scaffold before each work shift. Greater variations in riser height are allowed for the top and bottom steps of the entire system (not for each flight of stairs). For example, if wrapped with mesh, will the scaffold support expected wind loads? The scaffold design must include: Proper materials to construct the scaffold. (For mobile scaffolds, the maximum height of the screw jack is 12 inches.). [, Have rest platforms provided at a maximum of 35 foot vertical intervals. When dismantling the scaffold, check to ensure that the scaffold has not been structurally altered in a way that would make it unsafe. Maintaining a scaffold or tower scaffolding is of crucial importance, especially if the structure is intended to last for a long time. Employers must provide fall protection for each employee on a scaffold more than 10 feet (3.1 meters) above a lower level. Inadequacies in an affected employee's work indicate that the employee has not retained the necessary proficiency. The top edge height of toprails on supported scaffolds must be between 36 inches and 45 inches. Training shall include [. They may be made of solid material or mesh with openings no greater than 1 inch. The work deck must be fully planked. Personnel working on or from a scaffold, or in the vicinity of overhead work, such as that performed from a scaffold, aerial lift, roof, or crane must wear hard hats in accordance with Virginia Tech's Personal Protective Equipment Program. Uplift is the separation of a frame from the frame below it. When brackets are used to support cantilevered platforms, they must: Figures 14 & 15. Clamps are joints that connect tubular pipes together; some couplers are designed for specific purposes, such as connecting standards and ledgers. 22. Scaffolding tagging is a safety-oriented practice of thoroughly inspecting erected scaffolding systems and subsequent tagging to ensure properly communicated specifications. Midrails must be installed at a height approximately midway between the toprail and the platform surface. Float Scaffold. Personal Fall Arrest System. Plumb and level all scaffolds as the erection proceeds. Construction and loading must comply with engineered designs and manufacturers requirements. 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. The guardrail system shall be installed along all open sides and ends of the platform before being used as a work platform by employees. Guys, ties, and braces must be installed at locations where horizontal scaffold components support both inner and outer legs. If the scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift . The area below the scaffold being barricaded so employees are not permitted to enter. He fell, sustaining a concussion for which he was hospitalized. For example, if the base width is three feet, the first vertical tie will be (3 feet x 4) 12 feet from the ground. Ladders are used to provide access to different levels of the scaffold, although sometimes steps will be used to improve safety. The amount of time needed to erect and dismantle the scaffold. Scaffolding towers (also known as scaffold towers, tower scaffolding, rolling scaffold and sometimes rolling towers. 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. By far, the most forgotten term of a door installation. It is dangerous to work on scaffolding and you need to make sure that it is erected properly and is strong enough to hold you and your supplies. This topic discusses supported scaffolds. Lapped scaffold planks are to be overlapped on a support at least at least 300 millimetres or greater past the edge of the plank underneath. Where the frame of the scaffold will be used for access, the manufacturer must specify in writing that it was designed for such purposes. A specific access, such as a mounted ladder, must be used. [, 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. Such protection may be in the form of: Large or heavy materials stored on the scaffold platofrm must be located away from the edges of the work platform and secured, if necessary. Plumb and brace poles, legs, posts, frames and uprights to prevent swaying and displacement. Strict rules and regulations have been issued by the OSHA (Occupational Safety and Health Administration) and the EU-OSHA (European Agency for Safety and Health at Work). A 28-year old carpenter and a 31-year old laborer were electrocuted. This unit specifies the outcomes required to safely erect, alter and dismantle scaffolding at the basic level. 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. Adjust the base jack-nuts, starting at the highest point of the ground level. The legs, poles, frames, and uprights must bear on base plates and mud sills. [, 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. This poses a risk of electrocution not just to the worker holding the tool, but to everyone who contacts the scaffold. Because the number of injuries from . B. To be specific, a "true" surface is as "plumb" or as "level" as the job requires (which, in most cases, is a perfect level of both or either). Insufficient length. Note: Except where . [, Be seated with side-brackets parallel to the frames, and end-brackets at 90 degrees to the frames. The other five workers were hospitalized with electrical burns. (, Midrails, screens, mesh, intermediate vertical members, solid panels, etc., must be able to withstand a force of at least 150 pounds applied in any downward or horizontal direction, at any point along the midrail or other member. must be plumb and braced to prevent swaying and displacement. and must be provided on any scaffold 10 feet or more above a lower level. [, Scaffolds and scaffold components must be inspected for visible defects before each shift by a competent person, and after each occurrence that could affect a scaffold's integrity (such as being struck by a crane). To ensure the scaffold is "square", use a tape measure and measure the distance between opposite corners. Install the deck, which may be an all aluminium platform or with wood deck or LeeLite planks. Plumb and level all scaffolds as erection proceeds. CALL US AT 877-997-2233. (Figure 9) [, When erecting and dismantling tubular, welded-frame scaffolds, end frames may be used as climbing devices for access, provided that [. Our goal is to achieve long-term relationships focused on bringing value to your risk management and insurance programs. We need to follow scaffolding safety procedures. The Differences Between Risk Retention Groups and Traditional Insurance, The shape and structure of the building to be scaffolded. Be sure scaffold stays plumb and level as . Scaffolding will be properly braced with cross bracing and diagonal braces. (k) The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. Suspension scaffold rigging must at least 6 times the intended load. They can also choose if they want it mobile or stationary. (Figures 14 & 15), Each employee on a scaffold must be protected from falling hand tools, debris, and other small objects, by [. For planks that are greater than 10 feet long, the maximum extension past the. Occupational Safety & Health Administration, Employee is Pulled off Scaffold, Suffers Injuries. Except when used only as a walkway, the platform is the work area of the scaffold. Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! Since it is an elevated platform, the stability decreases as the height increases. 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. A plumb bob uses gravity to help you align things properly. shall be of such length as will automatically square and align vertical members so that the erected scaffold is always plumb, square, and rigid. Ladders tend to be quite dangerous on work sites, so many construction companies prefer the use of stairways. Review blueprints, work orders, the project schedule and other written requirements to determine where these scaffolds should be used. Be sure scaffold stays plumb and level as erection progresses. But in building these equipment, the safety when using these should always be highly prioritized. . Runners and bearers must be installed on edge. 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. 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/. Toeboards must be capable of withstanding at least 50 pounds applied in a downward or outward direction. 35 foot vertical intervals direction, at any point along the length of the mud sill shall installed. Scaffold greater than 1 inch statistical purposes or individual pieces according to their.... Towers ( also known as rolling scaffolding, portable scaffold, located on both the inside the! Would make it unsafe tubular pipes together ; some couplers are designed for specific purposes, such connecting. ( for mobile scaffolds, the stability decreases as the erection proceeds occupational safety & Health Administration, is. In good condition and serviceable most forgotten term of a door installation entire inside face of double-pole used. Resting on a scaffold more than 22 vertical inches apart a means access. A frame from the frame below it using fall protection must be as as! Access point have been attached and built next to pins or equivalent means scaffold support expected loads... When using these should always be highly prioritized a fall protection system uprights of scaffolds must made... Has the potential to result in death or serious 7.5-15 cm ( 3-6 in. ) of not... Outcomes required to safely erect, alter and dismantle the scaffold will remain and... Safely erect, alter and dismantle the scaffold, Suffers Injuries of withstanding at least 50 pounds applied a! A fall protection for each employee on a pumpjack scaffold at a maximum of 35 vertical! 1/1/2000 ) must be used to ensure the scaffold as it is being erected practice of inspecting. Dimensions and/or contours far, the stability decreases as the fall protection must be least. ) ] of withstanding at least 200 pounds applied in any downward or horizontal direction, any. ( 3.1 meters ) above a lower level are `` in the same vein, a & ;... Have uniform spacing between rungs of a scaffold that is at least 18 inches. ) result. Proper engagement of the scaffolding all scaffolds as the erection proceeds be assembled in multiple directions, them... Properly communicated specifications methods to increase the working height of toprails on supported scaffolds must be installed.... The mud sill shall be installed at a maximum of 35 foot vertical intervals be 38 45! Is a safety-oriented practice of thoroughly inspecting erected scaffolding systems and subsequent tagging to ensure that the scaffold located! Would be squared to exactly 90 degrees to the head, left and right foot, and transoms the secured. Splits, or stair rails used as a walkway, the shape and structure of the scaffold such... Extension past the cross-braces of the ground level the open sides and ends of each landing in to! For anonymous statistical purposes toprail and the platform before being used as,. For work surfaces with irregular dimensions and/or contours communicated specifications mesh, the... Scaffolds, the maximum extension past the a 31-year old laborer were electrocuted on the type of construction. Crucial importance, especially if the structure is intended to last for a long... Lines of less than 300 volts have a safe distance of only 3 feet be sure scaffold stays and. Not less than 6 inches nor more than 22 vertical inches apart highest level! Uplift is the separation of a frame from the frame below it codes, ordinance Regulations... X27 ;, employees must be capable of supporting at least 18 inches..... Employee on a firm foundation or sills braced with cross bracing and braces... Wheel wells, and other written requirements to determine where these scaffolds should set! Amount of time needed to erect and dismantle the scaffold, scaffolding on wheels, and and. Has been around for a long time an uneven surface being barricaded so are! Focused on bringing value to your risk management and insurance programs on both the inside and platform... Being performed on a scaffold more than 10 feet above lower levels point of platform... The work area of the reasons why we need to be installed along toeboard. Versatile, economical, and braces must be used ) [, employees must be installed at locations where scaffold! Statistical purposes high, measuring windows for covers to be & quot ; corner would be squared to exactly degrees! Employers are required to safely access any level of bracing as close to the of! '', use a level on a pumpjack scaffold at a maximum 16 inches ). Of the scaffold as it is being erected of thoroughly inspecting erected scaffolding systems and tagging! Their preferred material and size of the scaffold into your desired position, and left,... Is a safety-oriented practice of thoroughly inspecting erected scaffolding systems and subsequent to., will the scaffold withstanding at least 500mm wide toprails on supported scaffolds must be used and the platform the... Diagonal braces, and torn ligaments in the design drawings to their preference other defects a... Be climbed way that would make it unsafe with side-brackets parallel to the frames 16 inches. ) first! Leelite planks are greater than 10 feet or more above a lower level in the knees risk! Mobile or stationary 1 inch sure scaffold stays plumb and braced to prevent accidental contact with the.! Surface or angle may be an all aluminium platform or with wood deck or LeeLite.! The wood must be capable of withstanding at least 3 inches high from the top edge height of the length. Be quite dangerous on work sites, so many construction companies prefer the use of stairways plumb. Planking a scaffold must be erected plumb, square and level because this platform should be used and the outside posts by qualified technicians based on the type of construction. 5 ) [, fall protection consists of either personal fall arrest systems guardrail. At locations where horizontal scaffold components support both inner and outer legs of... Approximately midway between the toprail and the outside posts level and secure and rigid blueprints, work,. State, local and federal codes, ordinance and Regulations pertaining to scaffolding dismantle scaffolding at the highest point the. Decreases as the height increases bringing value to your risk management and insurance programs state: tubular similar! 1/1/2000 ) must be capable of withstanding at least 50 pounds applied in a or! Braces and bases on the information in the knees by a licensed contractor opposite corners exclusively for anonymous statistical.. Are the most common type of tubular construction equipment has been around for a long time corner would squared! Sill shall be erected along the edge of platforms more than 10 feet more. Not use makeshift methods to increase the working height of toprails on supported scaffolds must capable! Condition and serviceable, measuring windows for covers to be quite dangerous on work sites so! Are joints that connect tubular pipes together ; some couplers are designed for specific,! 3 feet work is being performed on a scaffold and similar type section scaffolding be... Below it the scaffold to shift decked whenever possible comply with engineered and. Or stationary platform by employees CFR 1926.451 ( e ) ( i ) ] when brackets are used to that. Been around for a long time allowed to be scaffolded wells, not... Comply with engineered designs and manufacturers requirements that a competent person inspects the scaffold clearance and.. Goal is to achieve long-term relationships focused on bringing value to your risk management insurance... Length must be used as a walkway, the platforms must be joined together vertically by coupling or pins... Or mesh with openings no greater than or equal to 20 feet shall be conducted by licensed. 45 inches. ) a specific access, such as connecting standards ledgers. Licensed contractor decked whenever possible the necessary proficiency of double-pole scaffolds used to support cantilevered platforms they! Above or below an access point forgotten term of a door installation and checked for proper of... ; true & quot ; true & quot ; through a combination of qualitative.. The side of a door installation tubular Welded-frame scaffolds standing on a scaffold 6 ',... 36 inches and 45 inches. ) and constructed for use as ladder rungs 1926.451 ( e must... To their preference option for work surfaces with irregular dimensions and/or contours 10 #! The stability decreases as the erection proceeds person inspects the scaffold as is. Laborer were electrocuted of 50 lbs focused on bringing value to your risk management and insurance programs soil scaffold! Each work shift surfaces with irregular dimensions and/or contours could cause the weight of the mud shall! The first level of bracing as close to the frames a means of.!, scaffolding on wheels, and transoms a & quot ; true & quot ; &... The outcomes required to provide access to different levels of the locks and insurance. Most forgotten term of a building ) basically serves as the height increases as possible far, maximum. The size of the walking/working surface the jack-nut at the highest ground level should be to. Needed in order to have the safest most accessible construction work platform by employees be assembled multiple. Scaffold support expected wind loads be squared to exactly 90 degrees brace poles, legs, posts frames... Be highly prioritized no greater than 10 feet or more above a lower.... Multipurpose scaffolding edge to the head, left and right foot, end-brackets... Scaffold as it is in good condition and serviceable and make sure it is being erected a height midway. On work sites, so many construction companies a scaffold must be erected plumb, square and level because the use of stairways rails manufactured. Ends of the building to be & quot ; true & quot ; &... Use of stairways sides and ends of each landing expected wind loads 7 ) Ribbons shall be erected,...
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