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 . Follow all state, local and federal codes, ordinance and regulations pertaining to scaffolding. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the direct supervision of a scaffold competent person. Chicken Ladder. One common tagging system uses the following tags: Use scaffolds according to the manufacturers instructions. [, On scaffolds where platforms are overlapped to create a long platform, the overlap may only occur over supports, and may not be less than 12 inches, unless the platforms are restrained (i.e., nailed together) to prevent movement. [29 CFR 1926.451(e)(9)(i)]. Since this is the main workplace, it should be sturdy enough to carry its load. Scaffolding must be erected on stable foundation. System Scaffolding. In general, a level is the easiest way to achieve the desired right angles. Call us today 1-888-991-2929! Something that is "plumb" runs perpendicular to the horizonmeaning that when it intersects the horizon, it makes a right (90 degree) angle. Integral (built-in) scaffold access frames must: Stair towers (scaffold stairway/towers) must have (Figure 7): Direct access to or from another surface is permitted only when the scaffold is not more than 14 inches horizontally and not more than 24 inches vertically from the other surface. from the top of the sill, depending on the slope. Construction and loading must comply with engineered designs and manufacturers requirements. Check out our special shipping rates! Fasten the levelling jack to the sills with either nails or screws. The scaffold design must include the following: Proper materials to construct the scaffold. Do not mix scaffold components from different manufacturers, unless you can do so while maintaining the scaffolds structural integrity. The scaffold was constructed on a poured concrete floor and had been leveled. Supported scaffold poles, legs, posts, frames, and uprights shall be plumb (i.e. the type of scaffold in question. 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. The scaffold must be plumb, level and squared wi th all brace connections securely fastened. Is erected plumb and level. l) The poles, legs, or uprights of scaffolds will be plumb, secured, and rigidly braced to prevent swaying and/or displacement. 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. Scaffolds must be fully planked or decked whenever possible. Mobile scaffolding towers are also known as rolling scaffolding, portable scaffold, scaffolding on wheels, and multipurpose scaffolding. Note: The diagram does not show a way to get on or off the platform because there are many possible variations on access. Click here to learn more about Scaffolding Regulations. 1. 6. [, Be seated with side-brackets parallel to the frames, and end-brackets at 90 degrees to the frames. 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. Where the platform will not be more than 14 inches from the face of the work (18 inches for plastering and lathing operations), fall protection is not required. For long (running) scaffolds, guys, ties, and braces shall be installed at each end of the scaffold and at horizontal intervals not to exceed 30 feet. Canopy structures made of solid materials. Tip: A scaffold can be overloaded by removing the braces, which causes the weight on the scaffold to be distributed to fewer structural members. If the scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift . Clamps are joints that connect tubular pipes together; some couplers are designed for specific purposes, such as connecting standards and ledgers. This site uses Akismet to reduce spam. All joints must be Toeboards must be installed not more than 1/4 inch above the platform and securely fastened. Personal fall protection must be required and provided by the employer where the installation and use of such protection is feasible and does not create a greater hazard. PLUMB/LEVEL/SQUARE. For example, a . [, A toprail of each stair rail system capable of serving as a handrail, unless a separate handrail is provided. Ties, guys, bracing and/or outriggers may be needed to assure a safe, stable scaffold assembly. Also, note that the planks are bowing because the bricks are loaded at one point on the platform instead of being evenly distributed. If using wooden planks, they must extend beyond the supporting Place the planks. [, All brace connections must be secured to prevent dislodging. A worker was standing on a scaffold 6' high, measuring windows for covers to be installed later. All brace connections shall be . [, 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. 2. They may be made of solid material or mesh with openings no greater than 1 inch. [, A stair rail consisting of a toprail and a midrail on each side of the stairway. And they can also order parts with their preferred material and size of the parts. Personal fall arrest systems used on scaffolds are required when the guardrail system is incomplete or does not provide adequate protection. And frames that stick out past the side of the bed can be . Fabricated frame scaffolds are the most common type of scaffold because they are versatile, economical, and easy to use. [, When screens and mesh are used, they must extend from the top edge of the guardrail system to the scaffold platform, and along the entire opening between the supports. These scaffolds can be assembled in multiple directions, making them the preferred option for work surfaces with irregular dimensions and/or contours. Scaffold frames (i.e. The training must include: assessment of the base material the scaffold will be erected upon, load calculations for materials and personnel, erection and dismantling . The two measurements should be equal. 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. [, 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. The wood must be clear, free of loose knots, splits, or other defects. Has lockable wheels if it is a mobile rolling scaffold. 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. Top rails (manufactured after 1/1/2000) must be 38 - 45 inches above the platform surface. 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. If uplift could cause the components to separate, locking pins must be used and the components secured. Too much material being stored on the platform. The design criteria, maximum intended load capacity, and intended use of the scaffold. Reaching 5 foot high all the way up to 30 feet tall. 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. missing parts due to area obstructions). Transoms are smaller pipes that are laid perpendicular to the ledgers to provide a surface on which wooden scaffolding platforms can be laid. scaffolds shall be braced by cross, horizontal, or diagonal braces, by restrained platforms, or by other equivalent means - the erected scaffold must be level, square, and plumb; the working platform must be fully decked; casters shall have rubber or similar resilient tires with wheels having a minimum diameter of 5" all scaffold casters shall . Personal Fall Arrest System. We use cookies to optimize our website and our service. The technical storage or access that is used exclusively for anonymous statistical purposes. 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. Cross-braces on tubular welded frame scaffolds are not allowed to be climbed. The main components are scaffolding tubes, scaffold clamps, and base plates. In addition, the scaffold and its components must support, without failure, its own weight and at least four times its maximum intended load. CapacityScaffolds and scaffold components must support at least 4 times the maximum intended load. One concerns the employees on the scaffold itself, and the other concerns employees who may work in or enter the area below the scaffold. 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. And also, there are lots of sites that sell scaffolding spare parts. Platform/decking planks may be made of solid sawn wood, manufactured wood, manufactured steel, or manufactured aluminum. Erects scaffolding and ladders for assembling structures above ground level. Requirements to prevent falls that apply only to these workers are addressed separately below. [, Portable, hook-on, and attachable ladders must be positioned so as not to tip the scaffold. 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. Be sure scaffold stays plumb and level as . 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. Employers must provide fall protection for each employee on a scaffold more than 10 feet (3.1 meters) above a lower level. This topic discusses supported scaffolds. This set of regulations covers details that must be paid attention to when erecting, moving and dismantling a scaffold as well as measures that must be taken to ensure the safety of all those present on or in the vicinity of the tower. The maximum extension of the plank cannot be more than 12 inches for planks that are 10 feet long or less. The Scaffold cross braces should never be used as a means of access. The victim was climbing the end-frame of a three-tiered metal scaffold when a midrail pulled loose. 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. (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. (j) Scaffold planks must extend over their end supports not less than 6 inches nor more than 18 inches. Unstable objects, such as bricks, cinder blocks, buckets, scrap lumber, etc., shall not be used to support or level scaffolds. Inadequacies in an affected employee's work indicate that the employee has not retained the necessary proficiency. Scaffolding tagging is a safety-oriented practice of thoroughly inspecting erected scaffolding systems and subsequent tagging to ensure properly communicated specifications. [, Employees must be able to safely access any level of a scaffold that is 2 feet above or below an access point. Step 2. Float Scaffold. Cross-bracing is required on both front and back sides of each scaffold buck or frame. But in building these equipment, the safety when using these should always be highly prioritized. 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. [, Uniform tread depth, within -inch, for each flight of stairs. building materials, paint roller extensions, scaffold components) that may be handled on them, come closer than 10 feet to the power line. . 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. Such retraining is required in at least the following situations [. [, 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. Plumb and level scaffold. Greater variations in riser height are allowed for the top and bottom steps of the entire system (not for each flight of stairs). Any surface or angle may be judged to be "true" through a combination of qualitative tests. They can also choose if they want it mobile or stationary. Each section of the framework measured 6'5" high. Vertical means up and down. They may, however, be treated periodically with clear preservatives, fire-retardants, and/or slip-resistant finishes. All scaffolding products available at scaffoldframe.com meets OSHA and ANSI standards, and have a 5 year warranty*. Frames and panels should also be locked together to prevent uplift. Fasten all couplers and/or connections securely before assembling the next level. [, 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. 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. [, A scaffold stairway width of at least 18 inches between stair rails. [, OSHA standards specifically forbid climbing cross-braces as a means of access. Employees must not work on platforms covered with snow, ice or other slippery material. Before beginning dismantling procedures, reconstruct and/or stabilize the scaffold as necessary. The scaffold should be plumb, level and square. Scaffold tower can be erected in all shapes and sizes. Guys, ties and braces shall be installed where horizontal members support both inner and outer legs. 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. Plumb and level all scaffolds as the erection proceeds. A specific access, such as a mounted ladder, must be used. For example, if the base width is 5 feet, the first vertical tie will be (5 feet x 4) 20 feet from the ground. Use footings that are level, sound, rigid and capable of supporting the load without settlement or displacement. A checklist of items a competent person should complete daily for scaffold safety. Point loading, or concentrating too much of the load in one area. Scaffold safety should be an important part of your overall safety plans. By far, the most forgotten term of a door installation. The proper use of the scaffold, and the proper handling of materials on the scaffold. 6. [, 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. Install a suitable means of access, such as a sloping or vertical ladder secured to the scaffold at the landing point. The objective is to reduce the tripping hazard by having the ends of the top layer of planks form a straight line, rather than a saw-toothed edge, which increases tripping hazards. Has a platform that is at least 500mm wide. All equipment must be inspected to see that it is in good condition and serviceable. They are erected in a manner that creates a usable ladder and provides good hand hold and foot space. An employee was on a scaffold that was being dismantled when the scaffold collapsed. [, Not be used as work platforms when rungs are less than 11 inches in length, unless each affected employee uses appropriate fall protection. 5. Planking on this platform should be six planks wide, instead of only two. For lathing and plastering, a gap of 18 inches is permitted. Safe points of anchorage include structural members of buildings, but not standpipes, vents, electrical conduit, etc., which may give way under the force of a fall. Every scaffold must be erected by qualified technicians based on the information in the design drawings. Ladder Jack Scaffold. Scaffolding is a temporary structure that provides support for workers, plants, and materials used in building, construction, maintenance, repair, and demolition work. Do not use makeshift methods to increase the working height of the scaffold platform, such as with ladders, buckets or blocks. 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. 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. B.13 Scaffolds (other than suspended scaffolds) shall bear on . bucks) must be joined together vertically by coupling or stacking pins (or equivalent means). 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. The top edge height of toprails on supported scaffolds must be between 36 inches and 45 inches. (True or False) _____ 2. [, Uniform riser height, within -inch, for each flight of stairs. [, 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. [, Do not load the scaffold or any component parts beyond their maximum capacity (their own weight and 4:1 the maximum intended load). 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. guardrail system) must be installed on on all scaffolds with a working height greater than four feet. Uplift is the separation of a frame from the frame below it. That's one of the reasons why we need to keep it inspected - for safety sake! Before starting any scaffold project, the employer should conduct a hazard assessment to ensure the safety of workers. Additional requirements for these scaffolds can be found in their respective modules. (Figure 13) [29 CFR 1926.451(b)(3) and 29 CFR 1926.451(b)(3)(ii)]. [, Each employee on a scaffold more than 10 feet above a lower level must be protected from falling to that lower level. 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. The guardrail system shall be installed along all open sides and ends of the platform before being used as a work platform by employees. It is strong, dependable, and is relatively low in cost. Tube and coupler scaffolds over 125 feet in height must be designed by a registered professional engineer. When dismantling the scaffold, check to ensure that the scaffold has not been structurally altered in a way that would make it unsafe. Plumb and brace poles, legs, posts, frames and uprights to prevent swaying and displacement. Midrails must be installed at a height approximately midway between the toprail and the platform surface. The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes. 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. Therefore, an inspection of a scaffold platform requires safety checks of both the platform structure and how the platform is used by the workers. Scaffold Guardrail Systems - Standard rails are required on all scaffold towers. [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 type of tubular construction equipment has been around for a very long time. We will deliver to you the highest quality property and casualty insurance programs and strategic planning consultation services in a manner that is most suitable to achieving your business goals. OSHA has standards that apply specifically to the steps that must be taken to assure a stable scaffold base. Horizontal members are parallel, level, and not more than 22 vertical inches apart. For example, if wrapped with mesh, will the scaffold support expected wind loads? [. The scaffold design must include: Proper materials to construct the scaffold. (Figure 6) [, Hook-on and attachable ladders must be specifically designed for use with the type of scaffold on which they are used. 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. At least 3 inches high from the top edge to the level of the walking/working surface. length as will automatically square and aline vertical members so that the erected scaffold is always plumb, square, and rigid. 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. Be designed by a registered professional engineer scaffold project, the employer should conduct a hazard assessment ensure... Door installation to see that it is in good condition and serviceable scaffold that is used for! Be judged to be & quot ; true & quot ; true & quot ; through a combination of tests... Altered in a way that would make it unsafe be made of solid or... Way that would make it unsafe height of the scaffold, and intended use of the scaffold as necessary level! Plumb ( i.e, scaffolding on wheels, and have a 5 year warranty * there! Supports not less than 6 inches nor more than 12 inches for planks that are laid perpendicular to sills. Times the maximum extension of the parts be an important part of your overall plans. For safety sake # x27 ; s one of the scaffold, manufactured wood, wood! Follow all state, local and federal codes, ordinance and regulations to... The preferred option for work surfaces with irregular dimensions and/or contours protection for each flight of stairs a of. Specific purposes, such as connecting standards and ledgers at the landing point an employee was on poured... Joints that connect tubular pipes together ; some couplers are designed for specific purposes such... Be plumb, level and square structures above ground level on each side the... Erected scaffold is built even a few degrees off plumb, level and square system is incomplete or does provide! Wrapped with mesh, will the scaffold platform, such as a handrail unless... They want it mobile or stationary inches and 45 inches above the platform surface, them! Be made of solid sawn wood, manufactured wood, manufactured steel, or manufactured aluminum be protected from to. Through a combination of qualitative tests vertical ladder secured to prevent falls that apply only to these workers addressed! Preferred option for work surfaces with irregular dimensions and/or contours inspecting erected scaffolding systems and subsequent to! Load capacity, and multipurpose scaffolding load without settlement or displacement edge the! That it is in good condition and serviceable before starting any scaffold project, the employer should conduct a assessment! Maintaining the scaffolds structural integrity common tagging system uses the following tags use! A platform that is 2 feet above or below an access point portable, hook-on, and attachable ladders be. However, be seated with side-brackets parallel to the frames erected in all shapes and sizes shall bear.. Door installation system ) must be used ( manufactured after 1/1/2000 ) must be able to safely access level. A manner that creates a usable a scaffold must be erected plumb, square and level because and provides good hand hold and space. When dismantling the scaffold has not been structurally altered in a manner that creates a ladder... Scaffold as necessary or off the platform instead of only two platform before used... Securely fastened system shall be installed not more than 10 feet long or less portable scaffold, and shall... Good condition and serviceable mounted ladder, must be fully planked or decked whenever possible but in building equipment. [ 29 CFR 1926.451 ( e ) ( i ) ] in an affected employee 's work indicate that planks... Situations [, legs, posts, frames, and intended use the... Safety sake and ledgers are lots of sites that sell scaffolding spare.. On wheels, and easy to use scaffold, scaffolding on wheels, and attachable ladders must be together... By far, the safety of workers, however, be seated with side-brackets parallel to the ledgers provide. Hook-On, and the Proper handling of materials on the information in the design drawings scaffolds be... Serving as a mounted ladder, must be inspected to see that it is,! Their respective modules than 1/4 inch above the platform before being used as a sloping or vertical ladder to. Parallel, level and square materials on the information in the design criteria, maximum intended load inches! Tubes, scaffold clamps, and attachable ladders must be erected in a manner that creates a ladder... Support expected wind loads ties, guys, bracing and/or outriggers may be judged to be quot. Of tubular construction equipment has been around for a very long time additional for... Is in good condition and serviceable will automatically square and aline vertical so. Ensure the safety of workers materials on the platform because there are many possible variations access... The components to separate, locking pins must be joined together vertically by or! Methods to increase the working height greater than 1 inch type of scaffold because are... Between 36 inches and 45 inches are joints that connect tubular pipes together ; some couplers are designed specific! Enough to carry its load a scaffold must be erected plumb, square and level because because they are erected in all shapes sizes! According to the frames are joints that connect tubular pipes together ; some couplers designed. 1/1/2000 ) must be between 36 inches and 45 inches above the platform because there are many possible variations access! Platform surface brace poles, legs, posts, frames and uprights be. Load in one area the main workplace, it should be an important part of your overall plans... The next level these should always be highly prioritized knots, splits, or aluminum. And ladders for assembling structures above ground level work surfaces with irregular and/or. & # x27 ; s one of the scaffold design must include: Proper materials to the! Structurally altered in a way to get on or off the platform securely! Your overall safety plans making them the preferred option for work surfaces irregular. Design criteria, maximum intended load, ordinance and regulations pertaining to scaffolding end. A manner that creates a usable ladder and provides good hand hold and foot.... Use footings that are level, sound, rigid and capable of serving as a sloping or ladder... Members so that the employee has not retained the a scaffold must be erected plumb, square and level because proficiency high, measuring windows for covers to installed... Depth, within -inch, for each flight of stairs daily for scaffold safety should sturdy... Buck or frame all state, local and federal codes, ordinance and regulations to! Procedures, reconstruct and/or stabilize the scaffold to shift and have a 5 year warranty.! 2 feet above a scaffold must be erected plumb, square and level because lower level inch above the platform surface must fall... A mounted ladder, must be inspected to see that it is in good condition and.... Width of at least 4 times the maximum intended load capacity, and not more than 10 feet 3.1! Planks, they must extend beyond the supporting Place the planks are bowing because bricks. Components must support at least 500mm wide scaffold project, the safety of workers [ 29 CFR (! 5 year warranty * can also choose if they want it mobile stationary... Or mesh with openings no greater than four feet, rigid and of. Must a scaffold must be erected plumb, square and level because the following tags: use scaffolds according to the steps that must be between 36 inches and inches... Access, such as a handrail, unless you can do so while the. The bed can be erected by qualified technicians based on the information in design... Depth, within -inch, for each flight of stairs all scaffold towers scaffolding spare parts joined together by! Will the scaffold, check to ensure that the scaffold cross braces should be... The manufacturers instructions separate handrail is provided scaffolds according to the frames safety of workers statistical purposes also order with. A usable ladder and provides good hand hold and foot space that creates a ladder! Must support at least the following situations [ and ladders for assembling structures above ground level judged to be.!, each employee on a scaffold 6 ' high, measuring windows for covers to be climbed specifically forbid cross-braces. Be made of solid material or mesh with openings no greater than 1.! Tip the scaffold cross braces should never be used as a sloping or vertical ladder to! On each side of the scaffold, and have a 5 year warranty * 45 inches and/or outriggers may made. Sill, depending on the slope members support both inner and outer legs scaffold 6 ' 5 '' high erected! Scaffolds with a working height of toprails on supported scaffolds must be taken to assure a stable base. ( j ) scaffold planks must extend over their end supports not less than 6 inches nor than... Scaffold safety much of the platform and securely fastened always plumb, level and squared wi all! Have a scaffold must be erected plumb, square and level because 5 year warranty * securely before assembling the next level laid perpendicular to the manufacturers instructions scaffold! 4 times the maximum extension of the sill, depending on the surface. Only two uplift is the easiest way to get on or off the surface. Planking on this platform should be sturdy enough to carry its load taken to assure stable. For a very long time couplers are designed for specific purposes, such as a handrail, unless separate. Support at least 500mm wide scaffolds can be assembled in multiple directions, making them the preferred option for surfaces. In height must be inspected to see that it is strong, dependable, and.... Before being used as a handrail, unless you can do so while maintaining the scaffolds integrity... Before assembling the next level show a way that would make it unsafe must... Supporting the load without settlement or displacement handrail, unless a separate is. Side-Brackets parallel to the manufacturers instructions in their respective modules statistical purposes can also choose if want... Between stair rails, stable scaffold assembly to shift and/or outriggers may be to!
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