Scaffold grade planks are normally 2x10 lumber and
When scaffold reaches 4 times its narrowest base dimension (e.g., 20 feet for a 5-foot-wide scaffold ): secure and brace away from structure. Scaffolds less than 3 feet wide: secure every 30 feet horizontally and every 20 feet vertically ; Scaffolds wider than 3 feet: secure every 30 feet horizontally and every 26 feet vertically..
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Using scaffold grade lumber—which is of a higher quality than construction grade lumber—is also of the utmost importance. To be classified as scaffold grade lumber, the material needs to have more than six rings per inch, have few defects (e.g., knots and notches), and, for Southern pine, have a grain slope of one inch to the side for every .... For scaffolding, can 2x10s be used in lieu of scaffold-grade planks? Answer No, 2x10s and other lumber commonly used for trusses are not sufficient for scaffolding applications. Only scaffold-grade lumber should be used for erecting scaffolds. 29 CFR 1926 Subpart L is OSHA's standard for scaffolding, which is available at osha.gov.
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Use scaffold-grade 2 June 2019 1 09-SAMSS-093 Scaffold Plank Scope This Specification defines the requirements for wood scaffold planks. 2 3 Conflicts and Deviations 2. Dhahran.2 Direct all requests to deviate from this specification in writing to the 36 rows · Southern Yellow Pine Scaffold Grade Board: Sure-Lam 2.0E AND 2.25E.
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Platform/decking planks may be made of solid sawn wood, manufactured wood, manufactured steel, or manufactured aluminum. If solid sawn wood is used, it must be scaffold grade. Note: Once a plank has been used as a mud sill, it cannot be used as decking again. Scaffolds must be fully planked or decked whenever possible..
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