However, in light of the width measurements in your materials, we have calculated the maximum permissible scaffold height for use without restraints. īased on the information you provided, we were unable to calculate the scaffold's total height. a free standing scaffold shall be considered safe when the total height is equal to or less than four times the minimum or least base dimension. OSHA continues to use the relationship between total height and least base dimension to calculate height-to-base width ratio. In 1983, OSHA explained that, for the purposes of the scaffold height-to-base width ratio, the Agency uses the "total height" in relationship to the smaller base dimension. (1) Supported scaffolds with a height to base width ( including outrigger supports, if used) ratio of more than four to one shall be restrained from tipping by guying, tying, bracing, or equivalent means. Section 1926.451(c)(1) states: Criteria for supported scaffolds. However, where appropriate, we try to give some guidance to employers to help them assess whether products are appropriate to use and provide OSHA-required protection. In addition, the variable working conditions at jobsites and possible alterations or misapplications of an otherwise safe product could easily create a hazardous condition beyond the control of the manufacturer. Question: Do the designs that I have submitted regarding "lock-pin" mobile scaffolds meet applicable OSHA construction requirements for height-to-base width ratios for supported scaffolds? 1įirst, please note that OSHA neither approves nor endorses products. I apologize for the delay in our completing this letter. Your inquiry concerns the adequacy of outrigger designs for your "lock-pin" mobile scaffolds used in construction. This is in response to your December 30, 2002, letter to the Occupational Safety and Health Administration (OSHA), as well as several conversations with members of my staff. Stay Safe! Please refer to OSHA guidelines when erecting and using any construction scaffolding products.Re: Whether a mobile scaffold outrigger design meets the requirements of. This scaffolding is designed to hold up on commercial projects, withstand large weight loads and last over the course of many jobs. We also make our scaffold frames from virgin steel and not recycled steel like some of our low cost competitors do. These scaffolding frames are heavy-duty and made with high-carbon steel so that they do not easily bend if dropped or if something runs into them. 12 SWS-481B8 5′ X 5′ double ladder framesĪt SWS Scaffolding, our goal is to provide you with the highest quality product at the lowest possible price. 30ft Rolling Scaffold Tower Kit Includes: These planks lock into the scaffolding frames for extra safety. The 3 aluminum planks create a 5′ X 7′ solid work platform for you to stand and work on. This tower is made from 5’x5′ double ladder frames, which allow you to use the frames as a ladder to access the scaffolding platform. Please note, this is the height your feet will be at, the guardrail components will be higher. The 30ft rolling scaffold tower kit has all the components you need to build a OSHA compliant scaffold platform 30ft high. of working space, is easy to assemble, and has a guardrail set for extra safety. Our 30ft Rolling Scaffold Tower Kit with Outriggers provides a mobile working platform with a high weight capacity. 30-Foot Rolling Scaffold Tower Kit w/Outriggers
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