In addition, construction lumber is also cut to nominal sizes, so a 2x10 isn’t literally 2 in by 10 in. Incipient decay in scaffold planking is a concern because it is hard to detect and has a dramatic effect on the impact resistance of the plank. What's the purpose of a Personal Fall Arrest System (PFAS)? This includes selecting wooden planking … Inspect wood plank to see that it is sound and in good condition, straight grained, free from saw cuts, splits and holes. Lumber used for planks must be graded and marked by the National Lumber Grades … When constructing a scaffold, there are specific criteria for the _____ the scaffold is built on. 2 grade lumber is more susceptible to water infiltration and incipient decay. No, 2x10s and other lumber commonly used for trusses are not sufficient for scaffolding applications. STI CP Manual Section 04 Page 11 Beware—even if the numbers suggest No. 7. Get an answer. In addition to scaffold grade lumber, Southwest Scaffolding sells both steel and aluminum 7′ and 10′ platforms that are rated for both 50 lbs/sq. While No. For scaffolding, can 2x10s be used in lieu of scaffold-grade planks? © Truss Publications, Inc. All rights reserved. (Stress Grade) construction grade lumber. “We buy full 2-inch-thick rough- As a result, your scaffold planking must be of the best quality. 2 lumber (left) and scaffold-grade lumber (right) may look similar at first glance, scaffold lumber meets a number of particularly high standards, which most construction-grade lumber does not meet. • Solid sawn wood used for scaffold planks should be graded by a recognized lumber grading association or an independent lumber inspection agency. At least 3/40 plywood D. Scaffold-grade lumber OSHA requires that scaffold platforms be made from "scaffold grade" planking. Allowable spans for a given load, for 2x10 (nominal) or 2x9 (rough) solid sawn wood planks. Your boards must meet strict OSHA standards before they can be used on your project. The designated and certified “competent person” is required to inspect all scaffolding. Mainly made out of pine, rough scaffolding planks are used in construction sites. Construction grade lumber is only 2/3 the strength of OSHA grade scaffolding boards. Ground. We can also mix and match loads from a variety of plywoods, softwoods, glulam beams and other construction products. s. Log in for more information. Rigging Inspection. Note: Once a plank has been used as a mud sill, it cannot be used as decking again. Ensure the scaffold plank grade material or equivalent is used. Our model is a little different than others. Scaffold-grade lumber is meant to withstand forces not imposed on ordinary, construction-grade wood (which is only two-thirds the capacity of scaffold-grade). Guard rails must be on the back and the sides of scaffold when it is 10’ or higher. 2. • All planking must be Scaffold Grade, or equivalent, as recognized by approved grading rules for the species of wood used. The space between planks cannot exceed 1 inch, except where necessary for obstructions. Plank is not all we do. For instance, construction lumber only has two-thirds the capacity of scaffold-grade lumber. The bottom line to all of this is we produce premium quality scaffold plank manufactured to exacting standards. Scaffold-grade lumber satisfies specific strength criteria determined by the grading rules for that particular species of lumber. Even the sturdiest looking construction-grade plank can lead to serious harm to property and people. Response: OSHA does not require that scaffold planks be graded and stamped by a qualified grading agency. Scaffold planks are also available using LVL material, which through its manufacturing process, eliminates many standard dimension lumber characteristics that could reduce strength. 29 CFR 1926 Subpart L is OSHA’s standard for scaffolding, which is available at osha.gov. Rating. Access from your Country was disabled by the administrator. Editor’s Note: While there have been proposed changes by the Southern Pine Inspection Bureau (SPIB) for Southern Pine dimension lumber grading rules and design values, this article is based on the design values in place in the fall of 2011. Search for an answer or ask Weegy. Subsequently, question is, what are scaffold planks made of? Scaffolding is common on the jobsite, but it’s especially on peoples’ minds with OSHA’s new fall protection regulations. Note that these scaffold planks must be doubled, one on top of the other. As such, all scaffold-grade planks should be marked as scaffold lumber with the agency or association’s grade stamp. Mainly made out of pine, rough scaffolding planks are used in construction sites. All rights reserved. The scaffold planking portion of the OSHA Scaffolding eTools is intended to address the need for specific and accurate information about the single most critical scaffolding component: the lumber from which scaffold planks and platforms are made. Our product is the best that can be bought. These proposed SPIB changes also do not apply to scaffold grade Southern Pine given that the grading rules are different. Wood approved for use as scaffold planks should have a grade … Traditionally, scaffold planks were solid-sawn lumber, often full-thickness 2x10s, as opposed to the 2-inch nominal thickness lumber (actual thick- ness, 11⁄2 inches) used for most construction needs. Only scaffold-grade lumber should be used for erecting scaffolds. ). Training workers how to properly construct scaffolds (and use the correct material) is the key to avoiding these kinds of accidents. For instance, scaffold grade lumber has a higher standard for number and size of knots permitted, as well as slope of grain. Plank Embossing. Materials and planking used in the construction of scaffolding should use stress-grade lumber or strong metal such as aluminum. The recommended maximum span is 7 feet for heavy duty scaffolds and 10 feet for light duty scaffolds. ft. and 75 lbs/sq ft. Another solution to the deflection requirement is to double your planks across the spans that will be receiving materials or equipment such as cubes of brick or block. If solid sawn wood is used, it must be scaffold grade. New answers. Platform/decking planks may be made of solid sawn wood, manufactured wood, manufactured steel, or manufactured aluminum. If you are the site owner (or you manage this site), please whitelist your IP or if you think this block is an error please open a support ticket and make sure to include the block details (displayed in the box below), so we can assist you in troubleshooting the issue. No, 2x10s and other lumber commonly used for trusses are not sufficient for scaffolding applications. 1. The standard defines a scaffold as, “any temporary elevated platform (supported or suspended) and its supporting structure (including points of anchorage), used for supporting employees or materials or both.”. Table 1. It is interesting to note that scaffold grade lumber does not allow pith center or juvenile wood due to the impact on strength and safe performance. Scaffolding Inspection. Planking should be at least 2” x 10” scaffold-grade plank, and it should extend no more than 10 feet for light use, 8 feet for medium use, and 6 feet for heavy use. An employer must select a _____ person to oversee safe use of scaffolding. Tube & clamp and system scaffold are both made from 2" tubing and are interchangeable with standard clamps. Not just any board will do. 1 Answer/Comment. The lumber characteristics required for scaffold grade are higher and more stringent than those for No. full 5' wide turnaround, we put one aluminum plank down. The standard defines a scaffold as, “any temporary … Scaffold Grade Board: Sure-Lam 2.0E AND 2.25E LVL Engineered Scaffolding Boards: Aluminum and Wood Plank. All Aluminum Plank. However, employers must ensure that scaffolds are designed, erected, used and maintained in compliance with the provisions of Part 1926 Subpart L?Scaffolds. Using construction-grade lumber on a scaffold platform not only violates OSHA standards, but is also an unsafe practice and an invitation to a deadly incident. Wallet.ro. 29 CFR 1926 Subpart L is OSHA’s standard for scaffolding, which is available at osha.gov. Which lumber grading agencies will OSHA accept as a qualified grading agency for inspecting and stamping scaffold grade lumber? To pose a question for this column, call the SBCA technical department at 608/274-4849 or email, SBCA: Vanguard for U.S. Light-Frame Construction. 1910.28(a)(9) All planking shall be Scaffold Grade as recognized by grading rules for the species of wood used. To be used for scaffold plank, solid-sawn lumber must be scaf-fold grade, nominal 2x10 inches ( 1 1⁄ 2 x 9 1⁄4 or 11⁄2 x 9 1⁄ 2 inches) or larg e r. Among the wood species used for solid-sawn scaffold plank, South-e r n yellow pine and Douglas fir are a p p r oved for the longest spans and heaviest loads. Scaffolding wood as a raw material can be new or second hand. Using the correct material to properly construct scaffolding helps maintain a safe and efficient jobsite. Source: Photo 1. Table 1 compares the allowable spans for nominal and solid sawn wood planks. For example, the West Coast Lumber Inspection Bureau grades scaffold planks, in descending order of strength, as “dense premium,” “premium,” “dense structural,” and “select structural.” Contractors in some parts of the country still use these boards for planking, but in many areas there is limited availability. competent. • Wood planks used for scaffolding must be specifically graded for scaf- fold use by an approved grading agency. The competent person must re-inspect at predetermined intervals. 1926.451(a)(6) Scaffolds and scaffold components must not be loaded in excess of their maximum intended loads or rated capacities, whichever is less.1926.451(f)(1) Load carrying timber members should be a minimum of 1,500 lb-f/in2 construction grade lumber. 1 grade and better spruce or fir. If a plank is found to no longer meet OSHA standards, it should be removed and replaced. Appendix A (1)(a) SCAFFOLD … Aluminum Pick Boards: Our Southern Yellow Pine Scaffolding Boards and Aluminum Planks are warehoused with our scaffolding products and can normally be shipped with or without a Scaffolding order. Answer. Traditionally, scaffold planks were solid-sawn lumber, often full-thickness 2x10s, as opposed to the 2-inch nominal thickness lumber (actual thick- ness, 11⁄2 inches) used for most construction needs. No. z-Plank is structural Laminated Veneer Lumber (LVL) manufactured in accordance with AS/NZS 4357:1995 ‘Structural Laminated Veneer Lumber’ and is Product Certified by the Plywood Association of Australasia to equal or exceed the performance claims specified in this brochure. (Not all species and grades of lumber can be used as scaffold plank. The maximum permissible span s for 2 X 10 inch or wider planks is shown in the following table: Note: Because nominal thickness lumber is not cut to its exact dimensions, nominal 2 x 10 is really more like 1½ x 9¼. 2. We sell 3-8 tractor trailer loads of steel scaffolding each day. Asked 1/12/2016 6:08:35 PM . Question. Lumber strength varies from regions and species of Southern Yellow Pine within the United States. At the ends, the planking must overlap at least 6″ but no more than 12″ unless the planks are fastened to the supporting members. Scaffold planking must be made with _____-grade lumber. (Stress Grade) construction grade lumber. These grading rules are set by a recognized lumber grading association or an independent lumber inspection agency and meet the minimum requirements set forth in OSHA standard 29 CFR 1926. 2 2x10 could work for scaffolding? 8. The only way to be sure of the strength of planking is to proof load at the time of manufacturing. This is due to even the most minute of alterations/shifts that could pose potential danger to workers. ICBO 1997 Uniform Building Code Structural Laminated Veneer Lumber. Construction lumber is not intended to withstand the forces likely to occur in a scaffold assembly. We then clamped tubing across the system handrails to provide guardrails on the open side. In addition, while a No. 8. Updated 272 days ago|4/30/2020 2:29:16 PM. Solid-sawn plank Traditionally, scaffold planks were solid-sawn lumber, often full-thickness 2x10s, as opposed to the 2-inch nominal thickness lumber (actual thick-ness, 11⁄ 2 inches) used for most construction needs. Wooden scaffold planks are made from several varieties of wood; however, construction-grade lumber should never be used. These boards are rated based on their capacity to handle building load—not on their ability to handle loads from workers and equipment. Lumber of this grade contains few defects, but knots are allowed of any quality as long as they are well spaced and do not exceed the size regulations. , so a 2x10 isn ’ t literally 2 in by 10 in scaffolding should use lumber... 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