Standard Interpretations - Table of Contents|
| Standard Number:||1926.451; 1926.451(a); 1926.451(g); 1926.451(g)(1); 1926.451(g)(2); 1926.451(g)(2)(iii) ; 1926.451(g)(4); 1926.451(g)(4)(ix); 1926.451(g)(4)(v); 1926.451(g)(4)(vii); 1926.451(g)(4)(viii); 1926.451(h); 1926.451(h)(1); 1926.451(h)(2)|
May 11, 2005
Mr. Douglas A. Holman
1816 River Bend Road
Sevierville, TN 37876
Re: Whether there is a conflict between provisions in §1926.451 regarding the use of screening.
Dear Mr. Holman:
You have submitted nine letters to the Occupational Safety and Health Administration (OSHA) containing a number of questions on the construction scaffold standard (29 CFR Part 1926 Subpart L).1 We will be responding in a series of separate letters in response; this is the fifth in that series.
We have paraphrased your question regarding the use of screens on scaffolds as follows:
Question: The use of screens on scaffolds is addressed in several places in Subpart L Scaffolds; specifically, §1926.451(g)(4)(v) and 1926.451(h)(2)(iii) and Non-Mandatory Appendix A each addresses the use of screens. However, their terms appear to be contradictory with respect to the placement of the screening. Which is correct?
Answer: Section 1926.451(g) Fall Protection provides, in part:
(g) Fall protection. Each employee on a scaffold more than 10 feet (3.1 m) above a lower level shall be protected from falling to that lower level ....Section 1926.451(h) that covers Falling object protection states:
* * *Finally, Non-Mandatory Appendix A to Subpart L of Part 1926 Scaffold Specifications provides in part:
* * *The two provisions noted above from §1926.451 paragraphs (g)(4)(v) and (h)(2)(iii) are requirements in Subpart L while paragraph 1.(f) is in the Non-Mandatory Appendix to the subpart. The paragraphs from the standard, (g)(4)(v) and (h)(2)(iii), address different hazards (fall hazards to workers and falling objects, respectively) and, as such, do not actually conflict with each other in prescribing the use of screens. Nonetheless, it should be noted that the variations in the wording relate to their different purposes.
For example, paragraph 1926.451(g)(4)(v) (the fall protection provision) requires the screen to extend "along the entire opening between the supports ...," whereas paragraph (h)(2)(iii) (the falling object protection provision) only requires it to extend "for a distance sufficient to protect employees below ...." When used for fall protection, it is necessary that the entire area be protected in order to prevent the workers from falling, since the workers necessarily move. In contrast, when used to prevent objects from falling, it is only necessary for the screening to be in place where there are objects that could fall.2
With respect to paragraph 1.(f) in the Non-Mandatory Appendix, that paragraph suggests a type of wire mesh that can be used when that use is required or allowed under the standard and, as you noted, also refers to screen installations from toeboards to "toprails or midrails." If a midrail is in place, then the screening would be used for falling object protection rather than fall protection, since the midrail (in conjunction with the top rail) would be the fall protection device. So, in that instance paragraph (g)(4)(v) would not apply to the installation of the screening.
However, we agree that the language in paragraph 1.(f) conflicts with the falling object provision's language in paragraph (h)(2)(iii). Accordingly, we will issue a technical correction to the Appendix to correct this error.3
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 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.
Russell B. Swanson, Director
Directorate of Construction
1 When we originally received these questions from you in April, 2003, it was unclear to us if you were requesting a response to each or if they were submitted only to call our attention to these issues in the event that OSHA were to do further rulemaking on the standard. We attempted to resolve that with you, but we were unable to obtain a response; consequently, our office closed the file. After your communications with my staff on January 13, 2005, we understand now that you are requesting a response to each question. We apologize for the misunderstanding and resulting delay in providing this response. [ back to text ]
2 The other difference in the two provisions is that the fall protection provision requires the screen to extend down "to the scaffold platform," whereas the falling object provision requires it to extend "to the toeboard or platform." These essentially mean the same thing, because in both cases the entire space between the top guardrail and the platform will be protected. [ back to text ]
3 Note that the language of the standard, 1926.451(h)(2)(iii) is a requirement, whereas the Appendix is non-mandatory. Accordingly, to the extent there is a conflict, the language of 1926.451(h)(2)(iii) takes precedence. [ back to text ]
Standard Interpretations - Table of Contents|