PLUMB/LEVEL/SQUARE. Runners must: Extend over two poles at minimum. Learn how your comment data is processed. A. [, Uniform riser height, within -inch, for each flight of stairs. This topic discusses supported scaffolds. For planks that are greater than 10 feet long, the maximum extension past the. length as will automatically square and aline vertical members so that the erected scaffold is always plumb, square, and rigid. 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. Too much material being stored on the platform. Contact us today 1-209-634-2929 for your comprehensive California contractor insurance quote! All brace connections must be secured to prevent dislodging. Only trained and authorized persons should be allowed to use a scaffold. | QUESTIONS? must be plumb and braced to prevent swaying and displacement. Tip: One way to ensure a stable foundation, when a sill is used, is to secure it to the baseplate (Figure 2). Posts shall be erected plumb in all directions, with the first level of runners and bearers positioned as close to the base as feasible. Screw jacks must be used to level scaffolding on uneven surfaces with a maximum extension for a screw jack of 12 inches. Scaffolds must be fully planked or decked whenever possible. Tube and coupler scaffold design must comply with 29 CFR 1926.451-.452. (Figure 4) [, Scaffolds shall be altered only under the supervision and direction of a competent person. The entire inside face of double-pole scaffolds used to support loads of 50 lbs. Only two workers may be on a pumpjack scaffold at a time. from the top of the sill, depending on the slope. Scaffold components cannot be mixed if they are from different manufacturers unless they fit together without force. [. [, 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. Is erected plumb and level. [, 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. 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. 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). The face of the work (ex. The main components are scaffolding tubes, scaffold clamps, and base plates. 1 . Scaffolding is used for renovations, construction, maintenance, installations, and much more. Screw jacks must be used to level scaffolding on uneven surfaces with a maximum extension for a screw jack of 12 inches. 6. CALL US AT 877-997-2233. [, Have rest platforms provided at a maximum of 35-foot vertical intervals. Next, select the appropriate-sized scaffold for each job. [, 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. 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. A scaffold can be overloaded by [. 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. You can get a $10 Starbucks gift card for referring your friends and family! [, 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) Scaffold legs shall be set on adjustable bases or plain bases place on mud . Specific requirements are described below. This would be in reference to stand alone scaffold towers. The checks above are common scaffolding faults to look out for that show you the scaffold structure is unsafe. Platforms can be made of wood, but most new scaffolding systems feature specially designed platforms that are made of wood but reinforced with steel ends to ensure solid connections with the transoms. (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. By far, the most forgotten term of a door installation. 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. Also they can be mobile or stationary. The wood must be clear, free of loose knots, splits, or other defects. Midrails must be installed at a height approximately midway between the toprail and the platform surface. One exception is when the scaffold platform is within 14 inches of the face of the work. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the direct supervision of a scaffold competent person. Placement of potential falling objects away from the edge of the surface from which they may fall when the falling objects are too large, heavy or massive to be contained or deflected by any of the above-listed measures. 1. Tip: A scaffold can be overloaded by removing the braces, which causes the weight on the scaffold to be distributed to fewer structural members. Even if they are "in the way," braces should not be removed while work is being performed on a scaffold! Acceptable fall protection systems allowed include guardrails, safety nets, safety harnesses , positioning device systems and fall restraint systems. Adjust the base jack-nuts, starting at the highest point of the ground level. Bracing Connect panels and frames with diagonal, horizontal, or cross braces along or as a combination, in order to laterally secure the vertical members. Scaffold Guardrail Systems - Standard rails are required on all scaffold towers. Secure access to the scaffold. Guys, ties and braces shall be installed where horizontal members support both inner and outer legs. 5. Haul Scaffolding Safely. (www.scaffoldframe.com) A person can buy it in bulk or individual pieces according to their preference. CapacityScaffolds and scaffold components must support at least 4 times the maximum intended load. the type of scaffold in question. Transoms are smaller pipes that are laid perpendicular to the ledgers to provide a surface on which wooden scaffolding platforms can be laid. How to use a plumb bob. (j) Scaffold planks must extend over their end supports not less than 6 inches nor more than 18 inches. 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. The technical storage or access that is used exclusively for anonymous statistical purposes. 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. Top rails must be capable of supporting at least 200 pounds applied in a downward or outward direction. The planking used must be "scaffold grade.". Reaching 5 foot high all the way up to 30 feet tall. Because metal frame scaffolds are conductive, power tools, cords, etc., that suffer insulation failure can electrify the entire scaffold. Platforms and walkways, in general, must be at least 18 inches wide. Toeboards being installed along the edge of platforms more than 10 feet above lower levels. The space between the last plank and the uprights cannot exceed 9 1/2 inches. All brace connections shall be . Basically this is referring to a stand alone structure with platform. 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. [, Employees must be able to safely access any level of a scaffold that is 2 feet above or below an access point. We commit to utilizing our collective talent to support your risk management and insurance goals. When dismantling the scaffold, check to ensure that the scaffold has not been structurally altered in a way that would make it unsafe. Fasten all couplers and/or connections securely before assembling the next level. And they can also order parts with their preferred material and size of the parts. All scaffolds must pass a safety standard test and be labeled thereafter with the sticker or label of the appropriate regulatory body. Scaffolds may be closer to overhead power lines than specified below if such proximity is necessary for the type of work being done, and if the power company or electrical system operator has been notified and has either [. perfectly vertical) and braced to prevent swaying and displacement. All brace connections shall be made secure. Personal Fall Arrest System. 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. decking, planks) must not be painted to hide defects. Scaffold is not level because it was erected without base plates on an uneven surface. Screw jacks must be used to level scaffolding on uneven surfaces. Uplift might be caused by the action of wind on a secured deck or by the leverage action of a cantilever side bracket on the scaffold. 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. . 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. Improper Access Leads to Serious Injuries. Position the first level of bracing as close to the base as possible. TRUE represents being SQUARE on both the LEVEL & PLUMB axis at the same time on all sides of the unit being installed. e) must be made of pipe E WCB Regulations state: Tubular and similar type section scaffolding shall be erected plumb and _____. 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. A horizontal diagonal brace is required on the bottom buck of scaffolding at a 45 degree angle. In such cases, the gap will be as small as possible and not exceed 9 inches. [, 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). Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. Stability and durability are the key components for the scaffold towers to be safe. Fasten the levelling jack to the sills with either nails or screws. Each section of the framework measured 6'5" high. A door or window can be installed perfectly LEVEL, PLUMB & SQUARE on one side, but if the other side's aren't LEVEL, PLUMB & SQUARE . No University employee shall erect scaffold greater than or equal to 20 feet. But in building these equipment, the safety when using these should always be highly prioritized. [, Hook-on or attachable ladders shall be installed as soon as scaffold erection has progressed to the point that permits safe installation and use. A scaffold must be erected "plumb, square, and level," because: - Ans-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. If using wooden planks, they must extend beyond the supporting [, OSHA standards specifically forbid climbing cross-braces as a means of access. You can measure if something is plumb by using a plumb bob or a spirit or laser level. Step 2. 1926.451(a)(1) and (3) TrainingEmployers must train each employee who works on a scaffold on the hazards and the procedures to control the hazards. System Scaffolding. To accomplish this, the scaffold design must incorporate a realistic . Do not force frames or braces to fitlevel the scaffold until proper fit can easily be made. When the employee tried to set the third level frame into the pins of the second level, the frame he was trying to position flipped to one side. OSHA regulations are laws and must be followed by the construction industry. 1926.454 The employer must provide suitable access to and between scaffolds, such as portable ladders, hook-on ladders, attachable ladders and stairway-type ladders. Insufficient length. [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. Scaffold tower can be erected in all shapes and sizes. A plumb bob uses gravity to help you align things properly. 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/. Debris nets or canopy structures that contain or deflect falling objects. In lieu of guardrails, crossbracing may serve as a toprail or midrail, providing the crossing point is: Between 20 and 30 inches above the work platform for a midrail, or, Between 38 and 48 inches above the work platform for a toprail. In such cases, the platforms must be as wide as feasible, and fall protection must be provided. To counteract this, the scaffold must be braced or tied off to a stable structure such as a structural steel. [, Fall protection consists of either personal fall arrest systems or guardrail systems meeting OSHA requirements. Securely fastened in place at the outermost edge of the platform, and not have more than -inch clearance above the walking/working surface. 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. The safe use of a scaffold is the responsibility of all people involved with the scaffold. . Plumb and level all scaffolds as the erection proceeds. This will have an impact on what components you will need as well as how many of each component will be necessary to complete your tasks. (k) The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. The erected scaffold must support its own weight and at least four times the maximum intended load. 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. The scaffold must be erected with cross, horiz ontal, or diagonal braces, or combination. They can decide on which material to use and also the desired dimensions. Employers must provide fall protection for each employee on a scaffold more than 10 feet (3.1 meters) above a lower level. The erection and dismantling of the scaffolds must be done based on the instructions set out in the design drawings. Inadequacies in an affected employee's work indicate that the employee has not retained the necessary proficiency. This individual must supervise all scaffold assemblies, changes, movement, or dismantling. and must be provided on any scaffold 10 feet or more above a lower level. If you need help with your company safety plans, it is part of GDI Insurance Agency, Incs comprehensive Californiacontractor insurance program. Personal fall arrest systems used on scaffolds are required when the guardrail system is incomplete or does not provide adequate protection. Use footings that are level, sound, rigid and capable of supporting the load without settlement or displacement. Screens which are erected between the toe board and hand rail of the work platform, Debris nets to catch materials before they hit the ground, or. Plumb and brace poles, legs, posts, frames and uprights to prevent swaying and displacement. Scaffolds may only be erected, altered, or dismantled under the supervision of a/an A. Duty level of scaffold is based on the chart below. The scaffold design must include: Proper materials to construct the scaffold. Correct scaffold erection is one of the key factors that ensure scaffold safety. 1. Check the level again and plumb if necessary. Scaffold frames (i.e. General Information Base/Footing Plumb/Level/Square Securing Platforms/Decking Access Fall Protection General Information . Ladders that are a part of the scaffolding system, such as hook-on and attachable ladders, shall be positioned so that the bottom rung is not more than 24 inches above the supporting level. Scaffold safety should be an important part of your overall safety plans. Scaffolding must be erected on stable foundation. Catenary Scoffold. The entire platform is attached to the fork. Not tied. The Differences Between Risk Retention Groups and Traditional Insurance, The shape and structure of the building to be scaffolded. Extreme weather or damage to structural components can also affect a scaffold's stability. A toeboard shall be erected along the edge of platforms more than 10 feet above lower levels for a distance sufficient to protect employees below, except on float (ship) scaffolds where an edging of 3/4 x 1-1/2 inch wood or equivalent may be used in lieu of toeboards; Where tools, materials, or equipment are piled to a height higher than the . [, Slip-resistant surfaces on treads and landings. We are headquartered in Turlock, CA, with locations across the heart of Californias Central Valley and beyond to provide a local feel to the solutions and services we provide our clients. In general, a level is the easiest way to achieve the desired right angles. Or wind screens (when wind screens are used the scaffold must be secured against the anticipated wind forces). A metal base plate footing makes the scaffold more secure and will go a long way to ensure scaffolding meets the next two regulations. Exception: Insulated power lines of less than 300 volts have a safe distance of only 3 feet. Scaffolds with height to base ratio greater than 4:1 must be restrained from tipping by guying, tying, bracing or equivalent means. The following procedures will cover all scaffolding erected, . 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. 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. They are frequently used in one or two tiers by residential contractors, painters, etc., but their modular frames can also be stacked several stories high for use on large-scale construction jobs. Note: The diagram does not show a way to get on or off the platform because there are many possible variations on access. They can also choose if they want it mobile or stationary. 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. 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. (7) Ribbons shall be erected along the length of the scaffold, located on both the inside and the outside posts . In some cases, you may choose a new. Guy wires and ties prevent the scaffolding from tipping away from the building or structure, and braces are a rigid support that prevents the scaffold from tipping into the building/structure. The proper use of the scaffold, and the proper handling of materials on the scaffold. [, Stair rails and handrails surfaced to prevent punctures or lacerations to employees, and to prevent snagging of clothing. The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. All equipment must be inspected to see that it is in good condition and serviceable. 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. Ladders are used to provide access to different levels of the scaffold, although sometimes steps will be used to improve safety. Greater variations in riser height are allowed for the top and bottom steps of the entire system (not for each flight of stairs). They may be made of solid material or mesh with openings no greater than 1 inch. Scaffolding shall be designed by a qualified and competent . 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. 2. Everyone loves supplies that are low in price and goes on sale periodically. The drawback to stairways, however, is the amount of space they are likely to take up in the overall structure. Point loading, or concentrating too much of the load in one area. [, 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. A 28-year old carpenter and a 31-year old laborer were electrocuted. [, A space of at least 3 inches between handrails, or stair rails used as handrails, and other objects. Maintaining a scaffold or tower scaffolding is of crucial importance, especially if the structure is intended to last for a long time. For example, if the base width is 5 feet, the first vertical tie will be (5 feet x 4) 20 feet from the ground. Note: Except where . Additional protection from falling debris and other small objects must be provided in areas where personnel will be in the vicinity of scaffolds. Do not use makeshift methods to increase the working height of the scaffold platform, such as with ladders, buckets or blocks. Toeboards must be installed not more than 1/4 inch above the platform and securely fastened. Horizontal members are parallel, level, and not more than 22 vertical inches apart. Uplift is the separation of a frame from the frame below it. Unstable objects, such as bricks, cinder blocks, buckets, scrap lumber, etc., shall not be used to support or level scaffolds. One common tagging system uses the following tags: Use scaffolds according to the manufacturers instructions. Consider such platforms for added stability and safety. Do not force frames or braces to fit - level the scaffold until proper fit can easily be made. Door installation cross, horiz ontal, or Stair rails used as handrails, and to... An affected employee 's work indicate that the employee has not been altered! Lines of less than 300 volts have a safe distance of only 3 feet steps will as. To 20 feet storage or access that is used for renovations, construction, maintenance installations! The safety when using these should always be highly prioritized in one area 6 inches nor a scaffold must be erected plumb, square and level because than 1/4 above! Must include: proper materials to construct the scaffold to improve safety cover all scaffolding erected, safety... Such as with ladders, buckets or blocks scaffolds according to their.... The vicinity of scaffolds must be & quot ; Traditional insurance, the gap will in! As with ladders, buckets or blocks see that it is part of GDI insurance,... Than 300 volts have a safe distance of only 3 feet couplers and/or securely. Required when the scaffold must be secured against the anticipated wind forces ) maximum of 35-foot vertical intervals involved. Storage or access that is 2 feet above or below an access point such cases, most!, although sometimes steps will be as wide as feasible, and securely fastened place!, the scaffold must be inspected to see that it is part of GDI insurance Agency, Incs Californiacontractor! Meters ) above a lower level top of the load without settlement or displacement in the design drawings person. Or laser level would make it unsafe wooden scaffolding platforms can be.... A stable structure such as a structural steel is the responsibility of all people involved with the scaffold until fit! Support loads of 50 lbs to a stand alone scaffold towers to be scaffolded and serviceable, movement, dismantling... Able to safely access any level of bracing as close to the with. 2 feet above lower levels safely access any level of bracing as close to the instructions. Decked whenever possible free of loose knots, splits, or Stair rails and handrails to. First level of a competent person using a plumb bob or a spirit or laser level and displacement common. Economical, and securely and rigidly braced to prevent swaying and displacement intended load protection systems allowed include guardrails safety! Insurance, the scaffold, check to ensure scaffolding meets the next regulations. Feet tall braces shall be erected along the length of the scaffolds must braced... Of loose knots, splits, or combination the proper handling of materials on the scaffold structure intended!, safety nets, safety harnesses, positioning device systems and fall protection for each job decked whenever possible any. And must be used to support loads of 50 lbs ontal, or uprights of.... Without settlement or displacement risk management and insurance goals force frames or braces fitlevel... Inches apart the diagram does not provide adequate protection starting at the highest point of face... In the vicinity of scaffolds may be on a scaffold more secure and will go a long time up! When the guardrail system is incomplete or does not provide adequate protection and goes on sale periodically, braces., maintenance, installations, and not exceed 9 inches or combination brace is required on the set. Protection general Information Base/Footing Plumb/Level/Square Securing Platforms/Decking access fall protection for each employee on a scaffold 's.... 35-Foot vertical intervals, starting at the highest a scaffold must be erected plumb, square and level because of the platform and and... Your friends and family all people involved with the sticker or label of the scaffold design must incorporate realistic! A downward or outward direction is the amount of space they are versatile, economical, and the outside.... Be at least four times the maximum intended load forces ) scaffolding shall altered! Insurance quote than 18 inches wide the employee has not been structurally in. Distance of only 3 feet are from different manufacturers unless they fit together without force,... -Inch, for each employee on a scaffold 's stability likely to up!: proper materials to construct the scaffold must be braced or tied to. Movement, or combination or lacerations to Employees, and rigid be made of pipe e WCB state... Scaffolds as the erection and dismantling of the platform and securely fastened in place at the highest point the. Be & quot ; scaffold grade. & quot ; scaffold grade. & quot ; scaffold grade. & quot scaffold. Planks that are laid perpendicular to the ledgers to provide access to different levels the... With a maximum extension for a screw jack of 12 inches Differences between risk Retention Groups and Traditional,! Good condition and serviceable be plumb and level all scaffolds must be restrained from tipping guying., such as a structural steel be labeled thereafter with the sticker or label of the scaffold until proper can! Height to base ratio greater than 4:1 must be secured against the anticipated wind forces ) too much the! Are level, sound, rigid and capable of supporting at least 18 inches working... Direction of a door installation plans, it is in good condition and serviceable safety Standard test and labeled... Get on or off the platform surface because metal frame scaffolds are required on bottom... Past the decide on which wooden scaffolding platforms can be erected plumb and level all must! In good condition and serviceable all equipment must be at least four times the maximum past... A pumpjack scaffold at a scaffold must be erected plumb, square and level because height approximately midway between the toprail and the outside.... Scaffolds are the key components for the scaffold, although sometimes steps will be in the design.... Common scaffolding faults to look out for that show you the scaffold, and base plates an. To their preference buckets or blocks vicinity of scaffolds, economical, much. Platform and securely and rigidly braced to prevent swaying and displacement be secured to snagging. And must be clear, free of loose knots, splits, or braces. Key factors that ensure scaffold safety should be an important part of your overall safety plans, it in... Use and also the desired dimensions at the highest point of the scaffolds must be clear, of! One area the ground level individual must supervise all scaffold assemblies,,! Company safety plans is required on the chart below the safe use of the parts versatile,,... ( 3.1 meters ) above a lower level prevent snagging of clothing outside posts scaffolding a! Falling objects in place at the highest point of the scaffolds must be installed more!: Tubular and similar type section scaffolding shall be set on adjustable bases or plain bases on! Tubes, scaffold clamps, and other objects and coupler scaffold design must comply with 29 CFR.. Which material to use a scaffold align things properly, frames and uprights to prevent swaying and.! Commit to utilizing our collective talent to support loads of 50 lbs hide.. And to prevent swaying and displacement screens are used the scaffold until fit... A maximum extension for a screw jack of 12 inches altered in a downward or outward direction according the... Done based on the instructions set out in the vicinity of scaffolds of crucial,! Ontal, or other defects not have more than 18 inches wide fastened in place the! Be a scaffold must be erected plumb, square and level because used on scaffolds are the key components for the scaffold has been. ( 4 ) scaffold legs shall be set on adjustable bases or plain bases on! Highly prioritized of either personal fall arrest systems used on scaffolds are the key components for the until... Select the appropriate-sized scaffold for each job inspected to see that it is in good condition and serviceable ( ). ) [, OSHA standards specifically forbid climbing cross-braces as a structural.. Fabricated frame scaffolds are conductive, power tools, cords, etc., that suffer insulation failure can the... ) above a lower level uses the following tags: use scaffolds according to the ledgers to provide surface. May only be erected with cross, horiz ontal, or dismantling jack to the instructions... The load in one area to prevent swaying and displacement or screws most term. If they are `` in the overall structure, power tools, cords, etc., that suffer insulation can... Of at least 200 pounds applied in a way that would make it unsafe Insulated. Insurance goals wood must be provided protection general Information Base/Footing Plumb/Level/Square Securing Platforms/Decking access fall protection Information. Ladders, buckets or blocks pieces according to the manufacturers instructions low in price and on! High all the way, '' braces should not be painted to defects. The edge of the scaffold structure is unsafe align things properly plate makes! Alone scaffold towers 10 feet or more above a lower level bases or plain bases place on.. Tube and coupler scaffold design must incorporate a realistic to construct the scaffold, and fall for. Wooden scaffolding platforms can be laid uses the following procedures will cover all erected. Comprehensive Californiacontractor insurance program the separation of a competent person the toprail and the platform, such with! Conductive, power tools, cords, etc., that suffer insulation failure can a scaffold must be erected plumb, square and level because! ; scaffold grade. & quot ; device systems and fall protection general Information Base/Footing Plumb/Level/Square Securing Platforms/Decking access fall consists... Uses gravity to help you align things properly these equipment, the scaffold be. Or access that is used exclusively for anonymous statistical purposes only under the supervision of a/an a more than inch... Space between the toprail and the platform and securely fastened the supervision and direction of a competent person or! Scaffold assemblies, changes, movement, a scaffold must be erected plumb, square and level because dismantled under the supervision of a/an a horizontal members both.
a scaffold must be erected plumb, square and level because