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# Standard Interpretations
1 2007 - 01/26/2007 - Re: Subpart L; scaffolds; Companion Rail, rail extensions for mobile scaffolds; 1926.451.
2 2006 - 05/18/2006 - Whether plywood may be used as scaffold decking material over wood scaffold planks; 29 CFR 1926.450 and 1926.451.
3 2005 - 06/17/2005 - Whether it is permissible to use a concrete block hanging on a coupling pin as a counterweight to prevent a scaffold from tipping.
4 2005 - 05/11/2005 - Whether there is a conflict between provisions in 1926.451 regarding the use of screening.
5 2005 - 04/11/2005 - Use of 2"x6" No 2 pine boards as a scaffold platform; application of 1926.451(a) and 1926.451(f)(16) when erecting and dismantling scaffolds.
6 2004 - 04/21/2004 - Evaluation of the Jax Scaffold System.
7 2004 - 03/04/2004 - Wire rope clips on suspension scaffolds; safety latches on large crane hooks; order of assembly for hanging scaffolds; and horizontal lifeline design.
8 2003 - 10/30/2003 - Revised response regarding the storage of materials on a scaffold for more than one shift's work.
9 2003 - 01/13/2003 - Compliance of Master Plank scaffold planking with OSHA plank strength requirements.
10 2002 - 03/12/2002 - Request that OSHA adopt a requirement that all scaffold planks meet a "scaffold grade" under recognized grading rules.
11 1999 - 10/14/1999 - GFCI and coverplate requirements in construction;use of fall arrest systems and scaffolding.
12 1998 - 04/02/1998 - Scaffolds may serve as fall arrest anchorages.
13 1995 - 03/13/1995 - New Fall Protection standards and standards for scaffolds used during dry wall work

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