is pip stf 05501 refd in osha

发表于 2009-9-9 21:31:21 | 显示全部楼层 |阅读模式

is pip stf 05501 ref'd in osha???
can anyone confirm or deny that osha directly ref's that process industry practice (pip)stf 05501 must be used for the construction of fixed ladders and cages.
larry617
"i 'quack' therefore i am"

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