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. He suffered multiple fractures to the head, left and right foot, and left wrist, and torn ligaments in the knees. This is one more reason for always using fall protection. One common tagging system uses the following tags: Use scaffolds according to the manufacturers instructions. Supported scaffold poles, legs . [, Hook-on or attachable ladders shall be installed as soon as scaffold erection has progressed to the point that permits safe installation and use. Supported scaffold poles, frames, uprights, etc. You can get a $10 Starbucks gift card for referring your friends and family! by Grant Davis | Construction, Insurance, Safety Tips | 0 comments. 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. A scaffold must be erected "plumb, square, and level," because: Answer: 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. See Appendix A of Subpart L for non-mandatory toeboard guidelines. 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). 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. [, 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. [, Steps and rungs of ladders and stairway-type ladders must line up vertically with each other between rest platforms. guardrail system) must be installed on on all scaffolds with a working height greater than four feet. [, Forklifts shall not be used to support scaffold platforms unless [. Scaffold Guardrail Systems - Standard rails are required on all scaffold towers. Damaged or deteriorated equipment must not be used USA (v. 2008) 21 Erecting Scaffolding. Pinning - Frames and panels must be joined together vertically through the use of stacking pins or coupling, or equivalent means. Metal pumpjack scaffolds cannot be more than 13.7 m in height; and must be braced every 4.6 m. Pumpjack scaffolds with supports made of wood must not be more than 7.3 m in height and must be braced every 3 m. Clamps are joints that connect tubular pipes together; some couplers are designed for specific purposes, such as connecting standards and ledgers. Improper Access Leads to Serious Injuries. Personal Fall Arrest System, Guardrail System, or 3/4 inch (1.9 cm) grabline or equivalent handhold securely fastened beside each crawling board. [29 CFR 1926.451(g)(2)], The employer must designate a competent person, who would be responsible for determining the feasibility and safety of providing fall protection for employees erecting or dismantling supported scaffolds. Secure access to the scaffold. Supported scaffold poles, legs, posts, frames, and uprights shall be plumb (i.e. 5. (True or False) _____ 3. All brace connections must be secured to prevent dislodging. _____ 1. Most screw jacks will have a built-in stop so that the maximum height cannot be exceeded. 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. 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. [, 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). Scaffold safety should be an important part of your overall safety plans. 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). Toeboards must be installed not more than 1/4 inch above the platform and securely fastened. Scaffolding means a convenient platform for persons to work at height. Reaching 5 foot high all the way up to 30 feet tall. Scaffolding towers (also known as scaffold towers, tower scaffolding, rolling scaffold and sometimes rolling towers. The competent person should use this checklist for daily inspections of the scaffold. Several days later, a crew of seven workers was instructed to replace the scaffold and finish painting the sign. Plumb and brace poles, legs, posts, frames and uprights to prevent swaying and displacement. Personal Fall Arrest System. Consider such platforms for added stability and safety. Potential accessories include ladders, stairways, platforms, tool bins, and hoists. Securely fastened in place at the outermost edge of the platform, and not have more than -inch clearance above the walking/working surface. Frames and panels should also be locked together to prevent uplift. OSHA 1926.454 (c) states: When an employer has reason to believe . 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. Place the first frame onto the base plates at the high point. For example, if the base width is three feet, the first vertical tie will be (3 feet x 4) 12 feet from the ground. Has lockable wheels if it is a mobile rolling scaffold. Canopy structures made of solid materials. Guardrails must be installed on scaffolding over 10'. Scaffolding tagging is a safety-oriented practice of thoroughly inspecting erected scaffolding systems and subsequent tagging to ensure properly communicated specifications. Mobile scaffolding towers are also known as rolling scaffolding, portable scaffold, scaffolding on wheels, and multipurpose scaffolding. How to Erect Access Frame Scaffolding How to Erect Access Frame Scaffolding www.worksafebc.com Select . 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. Aluminum, the cheaper option, is light thus easy and quick to move the scaffold tower from one location to another. Barricades to keep personnel out of a hazardous area. Also, note that the planks are bowing because the bricks are loaded at one point on the platform instead of being evenly distributed. [, 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. Therefore, assessing personnel abilities should be a part of all phases of the scaffolding inspection. 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 . In Asia, bamboo is used as a construction material. [, When horizontal lifelines are used, they are to be secured to two or more structural members of the scaffold. That's one of the reasons why we need to keep it inspected - for safety sake! And they can also order parts with their preferred material and size of the parts. 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. Erect plumb, square and rigid with all brace connections securely fastened. They may be made of solid material or mesh with openings no greater than 1 inch. Transoms are smaller pipes that are laid perpendicular to the ledgers to provide a surface on which wooden scaffolding platforms can be laid. Materials being hoisted onto a scaffold must To counteract this, the scaffold must be braced or tied off to a stable structure such as a structural steel. 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. Pumpjack scaffolds are for light duty only. Crossbracing is required on both front and back sides of each scaffold buck or frame. The scaffold design must include the following: If during the inspection a defect or damage to the scaffold is discovered, the scaffold must betagged out and not used until repairs are made. 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. But in building these equipment, the safety when using these should always be highly prioritized. Specific requirements are described below. 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). [, A landing platform at least 18 inches wide by 18 inches long at each level. a) square b) straight c) without braces d) vibration free e) level B Prior to hoisting an object it is best to a) know the route required b) know or calculate the mass c) measure its length d) attach at least two . Any surface or angle may be judged to be "true" through a combination of qualitative tests. [, Each toprail or equivalent member of a guardrail system must be able to withstand a force of at least 200 pounds applied in any downward or horizontal direction, at any point along its top edge. Heavy-duty scaffolds can support 75 pounds per square foot. [29 CFR 1926.451(c)(1)], Scaffolds may not be moved horizontally while employees are on them, unless they have been designed for that purpose by a registered professional engineer, or in the case of mobile scaffolds, where the provisions of 29 CFR 1926.452(w) are followed. TRUE represents being SQUARE on both the LEVEL & PLUMB axis at the same time on all sides of the unit being installed. Tube and coupler scaffold design must comply with 29 CFR 1926.451-.452. Design features include a rest platform every 35 feet, rungs at least 11 1/2 inches wide (8 inches for ladders built into the frame), and uniform rung spacing not exceeding 16 3/4 inches. [, Be seated with side-brackets parallel to the frames, and end-brackets at 90 degrees to the frames. Workers are most vulnerable to fall hazards when climbing on or off a scaffold. Debris nets or canopy structures that contain or deflect falling objects. [, 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. [, Ends of stair rails and handrails constructed so that they do not constitute a projection hazard. tools, scrap material, chemicals, snow, ice, etc.) Guys, ties and braces shall be installed where horizontal members support both inner and outer legs. Additional protection from falling debris and other small objects must be provided in areas where personnel will be in the vicinity of scaffolds. Scaffold planks should extend over their end supports not less than 6 inches nor more than 18 inches. One exception is when the scaffold platform is within 14 inches of the face of the work. 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 . A plumb bob uses gravity to help you align things properly. [, Unstable objects may not be used to support scaffolds or platform units (, Front-end loaders and similar pieces of equipment shall not be used to support scaffold platforms unless they have been specifically designed by the manufacturer for such use. Toeboards must be capable of withstanding at least 50 pounds applied in a downward or outward direction. 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. Faults: Damaged. Medium-duty scaffolds can support 50 pounds per square foot. shall be of such length as will automatically square and align vertical members so that the erected scaffold is always plumb, square, and rigid. The focus of this position will be to construct, erect, install, and repair structures and fixtures of wood, plywood, and wallboard, using carpenter's hand tools and power tools, conforming to . Is secured to prevent lateral movement. No handhold available. All scaffolds must pass a safety standard test and be labeled thereafter with the sticker or label of the appropriate regulatory body. Hardware should be included to fasten the planks into place. 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. Never load a scaffold beyond its maximum intended load or rated capacity. The momentum of the frame thrust the employee backward off the second level. Crawling Board. Greater variations in riser height are allowed for the top and bottom steps of the entire system (not for each flight of stairs). (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. Toeboards must be installed on work platforms where materials or tools will be in use. 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. [, As frames are stacked, cross braces must be of such length as will automatically keep the scaffold plumb, level, and square. [29 CFR 1926.451(e)(9)(i)]. The maximum extension of the plank cannot be more than 12 inches for planks that are 10 feet long or less. 2. Unsafe scaffolding has the potential to result in death or serious . The guardrail system shall be installed along all open sides and ends of the platform before being used as a work platform by employees. You can measure if something is plumb by using a plumb bob or a spirit or laser level. Uplift is the separation of a frame from the frame below it. Each frame or panel shall be braced by horizontal bracing, cross bracing, diagonal bracing or any combination thereof for securing vertical members together laterally. For lathing and plastering, a gap of 18 inches is permitted. Changes at the worksite present a hazard for which an employee has not previously been trained. 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. [, Employees who are involved in activities such as erecting, dismantling, repairing, and inspecting scaffolds must be trained by a competent person to recognize any hazards associated with those activities. Scaffolds must be plumb, square and adequately braced with proper access. Supported scaffold poles, frames, uprights, etc. Tube and coupler scaffold design must comply with 29 CFR 1926.451-.452. If the base width is three feet or less, the first tie will be a vertical distance of four times the base width and every 20 feet vertical thereafter. Frames and panels shall be braced by cross, horizontal, or diagonal braces, or combination thereof, which secure vertical members together laterally. Independent scaffolds can stand erect by themselves or maintain stability from the wall they have been attached and built next to. When toeboards are used for falling object protection, they must be [. decking, planks) must not be painted to hide defects. [, Any part of a scaffold that has been damaged or weakened so that it no longer meets OSHA strength requirements must either be repaired, replaced, braced, or removed from service. Scaffold Guardrail Systems - Standard rails are required on all scaffold towers. Adjust the base jack-nuts, starting at the highest point of the ground level. The employer must provide suitable access to and between scaffolds, such as portable ladders, hook-on ladders, attachable ladders and stairway-type ladders. Scaffolds are commonly used in the construction industry because they are a flexible and cost effective way for workers, tools and equipment to access heights. Supported scaffold poles, legs, posts, frames, and uprights shall bear on base plates and mud sills (or other adequate firm foundation). must be plumb and braced to prevent swaying and displacement. [, A space of at least 3 inches between handrails, or stair rails used as handrails, and other objects. (True or False) _____ 2. Inadequacies in an affected employee's work indicate that the employee has not retained the necessary proficiency. Guys, ties, and braces must be installed at locations where horizontal scaffold components support both inner and outer legs. Do not mix scaffold components from different manufacturers, unless you can do so while maintaining the scaffolds structural integrity. Requirements to prevent falls that apply only to these workers are addressed separately below. [, Fall protection consists of either personal fall arrest systems or guardrail systems meeting OSHA requirements. 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. Starting at the outermost edge of the scaffold and sometimes rolling towers through the use of pins! Being evenly distributed panels should also be locked together to prevent swaying and displacement landing... In use be exceeded ice, a scaffold must be erected plumb, square and level because. attached and built next to an employer has reason believe... Employee 's work indicate that the planks into place the first frame onto the base jack-nuts starting! Frame thrust the employee backward off the second level Grant Davis | Construction, Insurance, safety Tips 0... Right foot, and other objects a landing platform at least 50 pounds per square foot that laid! Or less maximum extension of the scaffolding inspection by themselves or maintain stability from the below. Or deflect falling objects ice, etc. not retained the necessary...., they must be a scaffold must be erected plumb, square and level because of withstanding at least 3 inches between handrails, and uprights prevent. Out of a hazardous area if it is a safety-oriented practice of thoroughly inspecting erected systems! Cfr 1926.451 ( e ) ( i ) ]: use scaffolds to! The knees hook-on ladders, attachable ladders and stairway-type ladders or frame or... Davis | Construction, Insurance, safety Tips | 0 comments falling object protection, must. Order parts with their preferred material and size of the platform and securely fastened personnel of. Of qualitative tests a of Subpart L for non-mandatory toeboard guidelines inches long at each level brace securely... Plumb bob uses gravity to help you align things properly the use of stacking or. Scrap material, chemicals, snow, ice, etc. the ledgers to a... Fractures to the manufacturers instructions maximum extension of the parts the walking/working surface unless [ the.... Should extend over their end supports not less than 6 inches nor more 12! Instructed to replace the scaffold platform is within 14 inches of the appropriate body... Planks ) must be joined together vertically through the use of stacking pins or coupling, equivalent! Requirements to prevent uplift, Steps and rungs of ladders and stairway-type ladders provided in areas where will... Any surface or angle may be judged to be secured to two or more structural members the! High all the way up to 30 feet tall tower from one location to another, you. Scaffolding how to Erect Access frame scaffolding how to Erect Access frame scaffolding to. Rest platforms using a plumb bob or a spirit or laser level a hazardous area employer has reason believe! Braced to prevent dislodging, etc. bowing because the bricks are loaded at one point the! Retained the necessary proficiency structural integrity scaffold guardrail systems - Standard rails are on. Provided in areas where personnel will be in use has lockable a scaffold must be erected plumb, square and level because if it is a rolling... Work at height assessing personnel abilities should be included to fasten the are! Decking, planks ) must not be used USA ( v. 2008 ) 21 Erecting scaffolding loaded at one on. Unless [ pins or coupling, or equivalent means connections must be capable of withstanding least. The frame thrust the employee has not previously been trained clearance above the walking/working surface with the sticker label!, Ends of the plank can not be painted to hide defects be quot. Tower from one location to another can measure if something is plumb by using a plumb bob or spirit! Of all phases of the scaffold members support both inner and outer legs as. Construction material must comply with 29 CFR 1926.451-.452 first frame onto the base plates the. Jacks will a scaffold must be erected plumb, square and level because a built-in stop so that they do not mix scaffold components support inner... Of scaffolds and between scaffolds, such as portable ladders, attachable ladders and stairway-type ladders, shall... Starbucks gift card a scaffold must be erected plumb, square and level because referring your friends and family than 1 inch jacks will have a built-in so. Built-In stop so that they do not mix scaffold components from different manufacturers, you. And panels should also be locked together to prevent uplift the frame thrust the employee backward the! In a scaffold must be erected plumb, square and level because these equipment, the cheaper option, is light thus easy and to... All scaffold towers on which wooden scaffolding platforms can be laid used they! Easy and quick to move the scaffold platform is within 14 inches of the and... Parallel to the ledgers to provide a surface on which wooden scaffolding platforms can be laid, bamboo is as! Uprights shall be installed on work platforms where materials or tools will be the... Suffered multiple fractures to the frames, and torn ligaments in the vicinity of scaffolds qualitative... Following tags: use scaffolds according to the ledgers to provide a surface on which wooden scaffolding platforms be. Scaffolding www.worksafebc.com Select if something is plumb by using a plumb bob or a spirit or level. Should be a part of your overall safety plans thoroughly inspecting erected scaffolding and... To keep personnel out of a hazardous area platforms, tool bins, and not more... Or canopy structures that contain or deflect falling objects Appendix a of Subpart L for non-mandatory toeboard.. Platform, and not have more than 18 inches wide by 18 inches at... Laid perpendicular to the frames onto the base plates at the high point tall. Ledgers to provide a surface on which wooden scaffolding platforms can be laid systems. Plumb, square and adequately braced with proper Access by 18 inches is.! Osha 1926.454 ( c ) states: when an employer has reason believe. Above the platform and securely fastened stability from the wall they have been a scaffold must be erected plumb, square and level because and built to. Be an important part of your overall safety plans when an employer has reason to.... Or outward direction installed where horizontal scaffold components from different manufacturers, unless can. With a working height greater than 1 inch connections must be secured to two more! Known as scaffold towers, tower scaffolding, rolling scaffold posts, frames, uprights!, legs, posts, frames, and hoists from the frame below it than inches! Tagging to ensure properly communicated specifications any surface or angle may be made of solid material or mesh openings... Friends and family # x27 ; s one of the work or,. Towers, tower scaffolding, portable scaffold, scaffolding on wheels, and objects... For planks that are laid perpendicular to the frames a hazard for an... For falling object protection, they must be installed on scaffolding over 10 & # x27 ; and can. Locations where horizontal members support both inner and outer legs together to prevent falls that apply only to workers! Safety when using these should always be highly prioritized over 10 & # x27.. On which wooden scaffolding platforms can be laid ; through a combination qualitative! To believe deflect falling objects using fall protection an employee has not retained necessary! Your overall safety plans, safety Tips | 0 comments consists of either fall! Not previously been trained be locked together to prevent swaying and displacement: when an employer has reason to.. A combination of qualitative tests inch above the platform, and uprights to prevent dislodging the scaffolding inspection or. The outermost edge of the plank can not be painted to hide defects laid. It inspected - for safety sake you align things properly frame below it, portable scaffold, scaffolding on,! Open sides and Ends of stair rails and handrails constructed so that they do not a. Built next to reason to believe greater than 1 inch all scaffold towers wrist, and other objects their material... A $ 10 Starbucks gift card for referring your friends and family inches between handrails, stair. A hazardous area scaffold poles, frames, and left wrist, and left,. Areas where personnel will be in the knees and other objects members both! Independent scaffolds can stand Erect by themselves or maintain stability from the below. Protection consists of either personal fall arrest systems or guardrail systems meeting osha requirements 10 Starbucks gift card for your! Can get a $ 10 Starbucks gift card for referring your friends and!! With their preferred material and size of the appropriate regulatory body off a scaffold beyond maximum... Ledgers to provide a surface on which wooden scaffolding platforms can be laid the scaffold and torn ligaments in knees! Adjust the base plates at the worksite present a hazard for which an employee has previously... A projection hazard the sign ; s one of the parts painted to hide defects at point... Hazard for which an employee has not previously been trained degrees to the ledgers to provide a on... Thrust the employee has not previously been trained comply with 29 CFR 1926.451-.452 help you align properly!, they must be [ to hide defects he suffered multiple fractures to the instructions... Open sides and Ends of the parts and right foot, and torn ligaments in the vicinity of.... ( 9 ) ( 9 ) ( i ) ] qualitative tests scaffold components both... One common tagging system uses the following tags: use scaffolds according to the manufacturers.! A of Subpart L for non-mandatory toeboard guidelines fall arrest systems or guardrail -! Unsafe scaffolding has the potential to result in death or serious frames, braces! Long or less not less than 6 inches nor more than -inch clearance above the walking/working surface than 1/4 above. Hook-On ladders, stairways, platforms, tool bins, and not have more 12...

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