Standard Interpretations - Table of Contents|
| Standard Number:||1926.450(b); 1926.451; 1926.451(e); 1926.451(f)(3); 1926.451(g); 1926.451(g)(1)(vii); 1926.452(b)(1); 1926.452(b)(2); 1926.452(b)(3); 1926.452(w); 1926.453; 1926.453(b)(2)(v); 1926.454; 1926.454(c); 1926.502|
|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.|
For example, a "competent person" for the purpose of this provision must have had specific training in and be knowledgeable about the structural integrity of scaffolds and the degree of maintenance needed to maintain them. The competent person must also be able to evaluate the effects of occurrences such as a dropped load, or a truck backing into a support leg that could damage a scaffold. In addition, the competent person must be knowledgeable about the requirements of this standard. A competent person must have training or knowledge in these areas in order to identify and correct hazards encountered in scaffold work.Question 10: An individual is an experienced safety engineer who would qualify as a competent person but has not worked in that capacity (so has never been formally designated as a competent person by an employer). Does the scaffold standard permit such a individual to train other employees to be "competent" to perform the required scaffold inspections?
(b)(2) Transverse bracing forming an "X" across the width of the scaffold shall be installed at the scaffold ends and at least at every third set of posts horizontally (measured from only one end) and every fourth runner vertically. Bracing shall extend diagonally from the inner or outer posts or runners upward to the next outer or inner posts or runners. Building ties shall be installed at the bearer levels between the transverse bracing and shall conform to the requirements of §1926.451(c)(1).If you were to have a 6' long by 6' wide by 10' tall scaffold, you would need to have "X" bracing on the ends of the scaffold, and longitudinal bracing on the front and back of the scaffold. Pages 65 and 71 of OSHA's publication 1350, "A Guide to Scaffold Use in the Construction Industry," is enclosed. These pages have diagrams on the proper bracing of Tube and Coupler Scaffolds. (Note: the scaffold diagram on page 71 should have another "X" bracing on the far end of the scaffold.)
(b)(3) On straight run scaffolds, longitudinal bracing across the inner and outer rows of posts shall be installed diagonally in both directions, and shall extend from the base of the end posts upward to the top of the scaffold at approximately a 45 degree angle. On scaffolds whose length is greater than their height, such bracing shall be repeated beginning at least at every fifth post. On scaffolds whose length is less than their height, such bracing shall be installed from the base of the end posts upward to the opposite end posts, and then in alternating directions until reaching the top of the scaffold. Bracing shall be installed as close as possible to the intersection of the bearer and post or runner and post.
|Standard Interpretations - Table of Contents|
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