Standard Interpretations - Table of Contents|
| Standard Number:||1926.452(w); 1926.453; 1926.452(w)(6); 1926.452(w)(5); 1926.453(b)(2)(viii); 1926.453(a)(1); 1926.453(a)(2)|
|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.|
The surface on which the scaffold is being moved is within 3 degrees of level, free of pits, holes, and obstructions;All that information comes from the Code of Federal Regulations (CFR) for construction safety and may be found at 29 CFR 1926.452(w)(6). From reviewing your letter it seems that you witnessed the result of someone operating a mobile scaffold without following existing OSHA requirements.
The height to base width ratio of the scaffold during movement is two to one or less, unless the scaffold is designed and constructed to meet or exceed nationally recognized stability test requirements such as those listed in paragraph (x) of Appendix A to this subpart (ANSI/SIA A92.5 and A92.6);
Outrigger frames, when used, are installed on both sides of the scaffold;
When power systems are used, the propelling force is applied directly to the wheels, and does not produce a speed in excess of 1 foot per second (.3 mph); and
No employee is on any part of the scaffold which extends outward beyond the wheels, casters, or other supports.
An aerial lift truck shall not be moved when the boom is elevated in a working position with [workers] in the basket, except for equipment which is specifically designed for this type of operation in accordance with the provisions of paragraphs (a)(1) and (a)(2) of this section.Additional provisions found in 29 CFR 1926.453(a)(1) and (a)(2) require that aerial lifts meet the appropriate ANSI standard, ANSI A92.2-1969. It was published in 1969, which is the year before OSHA came into existence.
|Standard Interpretations - Table of Contents|
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