Standard Interpretations - Table of Contents|
| Standard Number:||1926.502; 1926.452(x)(9); 1926.450(b); 1926.502(d)(21)|
|OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at http://www.osha.gov.|
a supported scaffold consisting of a platform supported by brackets which are secured in place around the circumference or perimeter of a chimney stack, tank or other supporting structure by one or more wire ropes placed around the supporting structure.One of the provisions that applies to repair bracket scaffolds is §1926.452(x)(9), which states:
U-bolt wire rope clips shall not be used on any wire rope used to secure brackets or to serve as an anchor for personal fall arrest systems.The preamble to §1926.452(x)(9) in the August 30, 1996, Federal Register states:
…Where wire rope is used to secure brackets, U-bolt clips shall not be used because a segment of damaged dead end could later become part of the live end due to an increase in the circumference of the structure. By contrast, the standard allows U-bolts in other applications, such as where the U-Bolt is used at the end (dead end) of the wire rope and that part of the wire rope is never moved into the live section… [Emphasis added.]As explained in the preamble to the scaffold standard, the reason this prohibition was included in the scaffold standard for repair bracket scaffolds was that the U-bolt clips often pinch and decrease the strength of the rope. Since repair bracket scaffolds must be expanded as the work progresses, the pinched (and weakened) part of the wire rope would eventually wind up in the "live end." This, then, was a concern that was specific to repair bracket scaffolds, and therefore the prohibition was included only for that type of scaffold.
Personal fall arrest systems shall be inspected prior to each use for wear, damage and other deterioration, and defective components shall be removed from service.If you need additional information, please contact us by fax at: U.S. Department of Labor, OSHA, Directorate of Construction, [Office of Construction Standards and Compliance Guidance], fax # 202-693-1689. You can also contact us by mail at the above office, Room N3468, 200 Constitution Avenue, N.W., Washington, D.C. 20210, although there will be a delay in our receiving correspondence by mail.
|Standard Interpretations - Table of Contents|
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