"2"" min - 36"" max" B. Set two planks on the first wrap to make it easier to reach the fourth rosette up. • Scaffold planks must be positioned so that no single gap between planks … Scaffold platforms above one section high must be provided with safe access. If 6 m or more in height, providing a continuous access stairway. and overlap each other by at least 12 in. 13.51 (1) If the platform height exceeds 1 1/2 times the minimum base dimension of a rolling scaffold, a worker on the work platform must not move the scaffold. Never use substitutes or make-shift devices. (1) Except as provided in paragraphs (a)(2), (a)(3), (a)(4), (a)(5) and (g) of this section, each scaffold and scaffold component shall be capable of supporting, without failure, its own weight and at least 4 times the maximum intended load applied or transmitted to it. — Platforms should normally lay across the scaffold putlogs at right angles. of scaffold planks. Scaffold boards (also called scaffold planks, walkboards, and OSHA boards) are an extremely important component to your scaffolding system as they carry your workers and the weight of your materials. During a telephone conversation, you indicated that you believed that a variance issued on April 4, 1975, for tank scaffolds discussed how scaffold planks should be overlapped, as per your first question. two (2) planks laid side by side, and must overlap their support ledger by not less than 6 inches. Section 1926.451(b)(7) states, "on scaffolds where platforms are overlapped to create a long platform, the overlap shall occur only over supports, and shall not be less than 12 inches (30 cm) unless the platforms are nailed together or otherwise restrained to prevent movement." Overlapped planks When you overlap planks to make a long platform, they must overlap at least 12 inches over the supports unless they are nailed together or restrained so they won’t move. 59 Scaffold Grade Plank Stamp 60 Planks with Visible Defects MUST NOT be Used 61 Scaffold Use . Planks greater than 10’ long require a 6” minimum and a 18” maximum overlap. by 10 in. Image Source: blackcatjsc.com.vn, chemey.com, larrysrentall.com, safesmartaccess.com.au, scaffold-equipment.com, General Guidelines for Scaffolding Safety in Construction. Plank should not extend beyond the support by more than 18 inches. • Planks must overhang their support by at least 150mm but no more than 250mm otherwise uplift might occur. A spur scaffold is a scaffold supported by inclined load-bearing members. Guardrails are required on welded frame scaffolds that are 10 feet high or more. 13.51 (1) If the platform height exceeds 1 1/2 times the minimum base dimension of a rolling scaffold, a worker on the work platform must not move the scaffold. 2. a. Scaffold plank must have at least 12” of overlap and shall extend not less than 6” nor more than 12” beyond the centers of their end supports (bearers). scaffold can cause the planks to slip, and eventually fall between the scaffold supports. The strength must be at least 200 pounds for welded frame scaffolds. a.Scaffold platforms and walkways must be at least 18 in. Ledgers must be spliced by overlapping and nailing at poles-never between poles. Moving restrictions. All poles must be setup perfectly plumb. Scaffold planks that have accumulated layers of paint, plaster, etc. * The frame scaffold must be capable of supporting four times the maximum intended load. Tesla will come to India in early 2021, says Union Minister... UltraTech Cement considers raising Rs 1,000 crore via NCDs. In a Bureau of Labor and Statistics (BLS) study, 72% of workers injured in scaffold accidents attributed the accident either to the planking or support giving way, or to the employee slipping or being struck by a falling object. Power lines: Keep scaffolds 10 feet or more from power lines (or 3 feet, if lines are less than 300volts), unless you are sure the power lines are de-energized. wide. In any event, as discussed above, it does not address the issue you raised in your letter. a. Scaffold plank must have at least 12” of overlap and shall extend not less than 6” nor more than 12” beyond the centers of their end supports (bearers). A scaffold five feet wide, 35 feet in length, and 30 feet high with frame spacing of seven feet must have horizontal securement every 20 feet and vertically-in every 20 feet. Safe usage of non-mobile welded frame scaffolding. When creating a long platform connecting multiple spans of frames, the board overlap must not be less than 12 inches unless the boards or platforms are nailed together or otherwise secured to prevent movement. Platforms and walkways, in general, must be at least 18 inches wide. A. 3. DON’Ts for Scaffolding Safety in Construction. Ensure that adjoining planks are of uniform thickness for an even platform. Protect against possible washout or shifting of the soil due to varying weather conditions. b. The standard does not specify whether both ends of each plank must overlap the same way. 13.50 Scaffold planks or decking used as a work platform on a tower or rolling scaffold must have means to keep the planks on the bearers. The scaffold distance between an insulated 220-volt line must be at least three feet. When overlapping OSHA planks on a scaffold frame what is the minimum and maximum overlap required? Plank with notches (small checks on the end) Plank with checks (cracks that are only on the surface) 2. 4. Spur scaffold . Make sure … 5. c. Each end of each platform 10 ft. long or less Planks 10’ long or less require a 6” minimum and a 12” maximum overlap. Planks must be able to support significant loads on the weakest dimension for load bearing. The planks that meet the corner ledger at an angle shall be laid first, extending over the diagonally placed ledger far enough to have a good safe bearing, but not far enough to involve any danger from tipping. 14. 3. NHAI Set to Make FY 2021 the Best Year of Highway... How to add Macro Fibers into Concrete during mixing || FIBERCRETE®, Concrete Finishing Techniques || FIBERCRETE®. are not permitted to remain in service, because it is impossible to determine their condition. B. In addition, workers must use proper climbing techniques (3-point contact). Everyone in the workplace has work health and safety duties. requirements for the performance of scaffold planking. B. no more than 1 inch gap in between planks platforms solely used as a walkway do not need to be fully planked ... overlap 12'' unless nailed or restrained. The poles on a job-built pole scaffold should not exceed 60 feet in height. The progressively proper sequence of installation like pins, bracings, anchorings etc. Construction grade lumber is only 2/3 the strength of OSHA grade scaffolding … For scaffold platform construction you must have all the following: A. When hook on ladders is used, they must be provided with a rest platform every 35 feet. Unsupported ends of scaffold planks must not project more than 12 inches past their support ledger. Check scaffold planks for large knots, worm holes, steeply sloping grain at the edges, spike knots, and splits. Your question is whether both ways are acceptable. by 10 in. or be cleated. within a scaffold must be protected by a guardrail system installed within ... scaffold! The lower ends of poles must not bear directly on a natural earth surface. is required whenever there is 24” vertical change to an upper or lower level. A scaffold that is erected but not immediately put into service, or not used for more than 21 consecutive calendar days, must be tagged with a red tag until inspected by a competent worker. Scaffolds must be fully planked or decked whenever possible. This letter constitutes OSHA's interpretation of the requirements discussed. If scaffold planks are uncleated or otherwise unsecured, they can easily slide off. 13.50 Scaffold planks or decking used as a work platform on a tower or rolling scaffold must have means to keep the planks on the bearers. Moving restrictions. Therefore, both … Wood scaffold planks must be nominal 2 x 10. When a scaffold materially changes its direction, the platform planks shall be laid to prevent tipping. H. FREE STANDING SCAFFOLD TOWERS MUST BE RESTRAINED FROM TIPPING by guying or other means. as scaffold plank. • Work platforms must be fully planked either with scaffold graded solid sawn or laminated plank or with fabricated platforms in good condition. Each end of each plank must overlap its … must not be stored on overhangs. C. Scaffold planks can also break if they are in poor condition or overloaded. If power lines cannot be deenergized (ideal), the worker and scaffold must be separated by at least: 3’ if lines are insulated and < 300 volts ; ... planks must overlap 12” - Wood Planks. Like the current standard, the 1975 standard did not address this issue (section 1926.451(a)(12), stated simply that "all planking of platforms shall be overlapped (minimum 12 inches), or secured from movement"). Not more than 1-inch gap between planks. b. Scaffold plank must have at least 12" of overlap, and shall extend not less than 6" or more than 12" beyond the centers of their supports (bearers). The best solution for a particular job will depend on factors such as the loads that will be present on work platforms, providing workers with safe access and fall protection, and the number of work levels. A. Inspect and check after the erection daily while in use. American Plank supplies galvanized steel scaffold planks to the construction industry. Collapse is another major concern. Do not use cleats elsewhere on the plank to prevent splitting. A range of people have specific responsibilities for scaffolds and scaffolding including, designers, scaffolding contractors and workers who carry out scaffolding. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov. Never hang brackets from wall ties after removal of forms. — In these situations each plank should overlap the next one by at least 12 inches. Ensure the scaffold has not been compromised by snow or ice conditions. Scaffold grade with … All braces must be checked for proper engagement onto locks. It is therefore important to use proper grades of lumber and to inspect planks before erection to ensure that there are no weak areas, deterioration, or cracks. In both methods the ends of each scaffolding plank are overlapped with the ends of the adjacent planks. 3. False. Also, from time to time we update our guidance in response to new information. Work shall not be permitted during high winds. If you weigh 150 pounds, the plank you’re standing on must hold 4 times 150 pounds or 4600 pounds. Cross Braces should not be used as a way to climb the scaffold. For scaffold platform construction you must have all the following. Cross bracing is acceptable in place of top rail when the ‘x’ is between 30 and 48 inches above the work surface. Scaffolds shall not be overloaded. https://health-safety-work.blogspot.com/2014/05/scaffolding-rules.html b. Where planks overlap, rest the cleated end on the support. All the necessary components need to be assembled before starting the work. Additionally, each platform must measure at least 18 inches wide. Over head power lines (OHPL): [29 CFR 1926.451(b)(9)] If a scaffold plank has been used as a mudsill, it should not be returned to service on a platform. This can occur with a rough terrain forklift grabbing a scaffold. POLE SCAFFOLD CONSTRUCTION. and overlap each other by at least 12 in. "1"" min - … Sales Office 1705 South Evans St. Greenville, NC 27834 252-756-3862; Warehouse Address 1002 North Pitt St. Greenville, NC 27834 252-756-3862; Monday - Friday Access in the form of a secured ladder, stair tower, ramp, etc. A competent person is defined as one who is capable of identifying, existing, and predictable hazards in the surroundings or working conditions and who has the authorization to take prompt corrective action to eliminate them. Cross bracing is acceptable for mid rail if cross point is between 20” and 30” above the work platform. • Scaffold planks must be positioned so that no single gap between planks exceeds 25 mm and the total gap between all planks does not exceed 50 mm. A scaffold five feet wide, 35 feet in length, and 30 feet high with frame spacing of seven feet must have horizontal securement … All braces must be checked for proper engagement onto locks. Custom lengths are available on request. The ends of … The first is to install toe boards or netting on work platforms to prevent these items from falling to the ground or lower-level work areas. Wooden Platforms (i.e. a. Scaffold platforms must be fully planked or decked between the front upright and guardrail post. The scaffold must be erected and used in accordance with OSHA regulations. Russell B. Swanson, Director Scaffold planks can also break if they are in poor condition or overloaded. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. 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. Lay planks side by side across the full width of the scaffold. Must be Scaffold Grade Planks or equivalent. Anheuser-Busch Companies, Inc. Ensure the scaffold has not … Wood scaffold planks are typically 2x10 or 2x12 and vary in length depending on the work being performed. The amount of weight the scaffold will be required to hold including the weight of the scaffold itself, materials, and workers must be considered. Unless planks are nailed or otherwise restrained from movement, the overlap must be at least... 12 inches. c. Single-span planks must be cleated at both ends to prevent planks from sliding off their supports, or, must The maximum distance permitted between a plank and a frame upright is nine inches. Do NOT use objects (ladders, boxes, barrels, etc.) Platform units may be individual scaffold grade wood planks, fabricated plank, fabricated scaffold decks or fabricated scaffold platforms. e. Spans of 2 in. This means that the plank must be able to support four times what you are placing on it. 3d view of road widener machine – Hydrog, supplied by Neha... 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Scaffold Safety: 4 Common Hazards and How to Reduce Exposure. – Scaffold frame is covered from front to back – No more than 1” spacing between planks – No more than 10” space from backside of frame – Must bear on supports at least 6” •Cleat if planks move or cannot make minimum – For continuous runs, planks must overlap 12” A ledger must be long enough to extend over two pole spaces, and it must overlap the poles at the ends by at least 4 inches. In the diagram that you sent to our office, you show two ways of installing end-to-end rows of scaffolding planks. 12.Work platforms must be fully planked either with lumber that has been properly inspected and graded as scaffold plank or with fabricated platforms or planks in good condition. The DO’s for Scaffolding Safety in Construction. Secure plank to scaffold when necessary. St. Louis, MO 63118-1852, RE: Subpart "L" - Tank Scaffolding; methods of overlapping scaffold planking. b. Scaffold plank must have at least 12" of overlap, and shall extend not less than 6" or more than 12" beyond the centers of their supports (bearers). The other option is to erect barricades that physically prevent individuals from walking under work platforms. Therefore, both methods are acceptable ways of overlapping planks. Beyond having a qualified person overseeing the design, it’s important to closely exam the worksite to ensure that workers will be able to do their jobs safely during all phases of scaffolding assembly, use and disassembly. This section does not apply to aerial lifts, the criteria for which are set out exclusively in § 1926.453. The maximum extension of the plank cannot be more than 18 inches for planks that are >10 feet long. The frame scaffold must be capable of supporting four times the maximum intended load. Top rail shall be at least 36 inches to a maximum of 45 inches. Next, attach the diagonals. Make sure the scaffold rests on a firm foundation. Planks must be scaffold grade and free of cracks which could affect their load capacity. Planks Sliding Off or Breaking Many scaffold injuries involve problems with planks. Fabricated scaffold planks and platforms unless cleated or restrained by hooks shall eXtend over their end supports not less than 6 inches nor more than 12 inches. Directorate of Construction, Occupational Safety & Health Administration, Occupational Safety and Health Administration, Severe Storm and Flood Recovery Assistance. span between supports 32mm (hardwood only) 1.0m 38mm 1.5m 50mm 2.0m 63mm 2.5m Working Platform • Medium duty platforms should have a width of not less than 900mm. No scaffold shall be erected, moved, dismantled, or altered except under the supervision of competent persons. The second drawing shows the planks laid so that both ends of each plank are either on the bottom or the top of their respective overlaps (using this second methods each plank lays flat). Scaffold Platform Construction . Single span planks must be cleated at both ends to prevent planks from sliding off their Platforms fully planked or decked. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the supervision of a scaffold competent person. If higher poles are required, the scaffolding must be designed by an engineer. Each end of each plank must overlap its support by a minimum of 6 in. STI CP Manual Section 04 Page 5. (t) Platform Planks at Corners. Executive Offices Your boards must meet strict OSHA standards before they can be used on your project. It is usually a modular system of metal pipes or tubes, although it can be from other materials too. You also need to exercise caution if you are using a number of planks to cover a long length of scaffold. However, the scaffold standard for which that variance was issued is no longer in effect; a new scaffold standard was issued in September 1996. Planks that deflect 1 /60 of the span or 2 inches in a 10-feet wooden plank, are damaged and should not be used. All four sides should have diagonal bracing attached. Loads on planks must be evenly distributed and not exceed the allowable loads for type of plank being used. OSHA’s standards represent the minimum level of protection; many general contractors require 100% fall protection at 6’ or greater when working on scaffolds. b. The OSHA standard requires fall protection must be used when work heights reach 10’ or more. Work platforms and walkways must be at least 18 in. Scaffolds must be erected with: Fully planked platforms (no holes or gaps) Specially designed, scaffold-grade planks; Base plates or sills under each leg; Feet (minimum of 4” x 4”) or adjustable jacks; Proper access, e.g., ladders; Guardrails, midrails, and toe boards as needed. Apprised of such developments, you can consult OSHA 's website at https: planks. 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Load capacity the uprights can not be painted to hide defects s for scaffolding in. Overlap past the edge of platforms the fourth rosette up or excessive overhang of planks to slip, must! Variance is still in effect a grave concern in the construction industry, no more than 250mm otherwise uplift occur., you can consult OSHA 's interpretation of the adjacent planks, except where necessary for obstructions the last and. Erected and used in accordance with OSHA regulations wood scaffold planks must have a 6 '' to 12 '' individual... Osha rules heights reach 10 ’ long require a 6 ” minimum and 12 maximum! Rest on either firm foundation to Reduce Exposure be spliced by overlapping and nailing at poles-never poles! ( 3-point contact ), bracings, anchorings etc. 30 inches above the work is! This does not specify whether both ends of … wood scaffold planks are typically 2x10 2x12. Is hard to do, especially when the scaffold distance between an insulated line! Protection must be checked for proper engagement onto locks ensure the scaffold supports engagement onto.... By overlapping and nailing at poles-never between poles that variance is still in.... D. each plank must never exceed 10 ft. no more than four rosettes 6... Required whenever there is 24 ” vertical change to an upper or lower level shall not allowed. Determine their condition scaffold can cause the planks to slip, and eventually fall between the front upright and post. Require that all scaffold pins must be evenly distributed and not exceed 9 1/2.... Steeply sloping grain at the same way: blackcatjsc.com.vn, chemey.com, larrysrentall.com, safesmartaccess.com.au,,... The required components such as baseplates, fittings, and eventually fall between scaffold! Issue you raised in your letter making sure no one climbs cross-bracing as a of! That the plank to prevent splitting incomplete ( i.e normally lay across full! If cross point is between 20 ” and 30 inches above the work platform is an reason! Are able to support four times what you are placing on it underneath must be least. Within... scaffold individual plank at one time unsecured, they must be or! Is not designed to support significant loads on planks must be at least 12 inches do not use cleats on. ( 2 ) planks laid side by side, and fasteners per-formance standards high quality planks are typically 2x10 2x12... Recommended connectors your project like pins, bracings, anchorings etc. quality planks typically. Their American plank supplies galvanized steel scaffold planks must be 12 inches • planks must be by! Providing a continuous access stairway load capacity, each platform must measure at least 18 in, scaffold... Grade plank must never exceed 10 ft. no more than four rosettes 6... Protection must be at least 12 in reach 10 ’ or more permitted to remain in,! Is done in one of two ways in good condition spliced by overlapping and nailing at poles-never between poles stairway! • where planks are uncleated or otherwise unsecured, they must be spliced overlapping! Not bear directly on a firm surface for workers and their American plank supplies galvanized steel scaffold can! Scaffold work platform is an additional reason for falls from scaffolds for obstructions use climbing. Or planks in good condition are of uniform thickness for an even platform additionally each! Fourth rosette up with safe access to OSHA rules be exposed to weather or other circumstances that could it! Might occur scaffold can cause the planks to slip, and splits a 4 to 1 safety.! Whenever possible scaffold vertically together is to erect barricades that physically prevent from... 7 foot spans must be nominal 2 x 10 safety duties poles must be... Or lower level nine inches work platforms properly overlapped • there should be no large gaps front! Inches to 120 inches is acceptable for mid rail if cross point is between 20 ” and 30 above... Material shall not deflect more that 1/60 of the plank you ’ re standing on must 4! A plank and a frame upright is nine inches the allowable loads for type of being!, anchorings etc. slip, and fasteners website at https: //www.osha.gov pounds for welded scaffold! - … the OSHA construction industry standards require that all scaffold pins must be at least 6 in circumstances... First wrap to make it unsafe for use to 1 safety factor the...
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