Standard Interpretations - Table of Contents|
| Standard Number:||1926.451(e); 1926.451(e)(2); 1926.451(e)(2)(i); 1926.451(e)(2)(ii); 1926.451(e)(2)(iii); 1926.451(e)(2)(iv); 1926.451(e)(2)(v); 1926.451(e)(2)(vi); 1926.1053(a)(13)|
|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.|
(i) Portable, hook-on and attachable ladders shall be positioned so as not to tip the scaffold;As you can see from §1926.451(e)(2)(iii), when attachable ladders are used on supported scaffolds more than 35 feet high, they must have rest platforms at no more than 35-foot intervals. There is no requirement in the standard that workers use fall protection while climbing up or down these ladders.
(ii) Hook-on and attachable ladders shall be positioned so that their bottom rung is not more than 24 inches (61 cm) above the scaffold supporting level;
(iii) When hook-on and attachable ladders are used on a supported scaffold more than 35 feet (10.7 m) high, they shall have rest platforms at 35-foot (10.7 m) maximum vertical intervals.
(iv) Hook-on and attachable ladders shall be specifically designed for use with the type of scaffold used
(v) Hook-on and attachable ladders shall have a minimum rung length of 11 1/2 inches (29 cm); and
(vi) Hook-on and attachable ladders shall have uniformly spaced rungs with a maximum spacing between rungs of 16 3/4 inches.
|Standard Interpretations - Table of Contents|
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