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<span class="" style="float: none; display: inline !important;">From: Dan Sheehan <</span><a href="mailto:dsheehan.sml@gmail.com" class="">dsheehan.sml@gmail.com</a><span class="" style="float: none; display: inline !important;">></span><br class="">
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<blockquote type="cite" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">is
there an OSHA or other AHJ spec for the</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">
<span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">step-to-step
pitch of ladder rungs ?</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">
...Dan Sheehan<br class="">
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<div class="">I’m a digest reader, so, sorry if you’ve already gotten an answer!</div>
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<div class="">Yes, In the OSH regs for permanent ladders:</div>
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<div class="">CFR1910.27(e)(1):<br class="">
The preferred pitch is from 75º to 90º. </div>
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<div class="">So at most, this is about 3.5” of run for a standard ladder’s 12” rise, using properly designed ladder rungs.</div>
<div class="">Past 90°, however slight, is not allowed at all, and triggers my fear of falling just by thinking of it. Lower than 75° is okay, and falls (haha) into the world of ships ladders, where you have stair-like treads with something like 12” rises,
but runs longer than 3.5”.</div>
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<div class="">Hope this helps!<br class="">
Steve Boone, </div>
<div class="">Bowling Green State Univ. </div>
<div class="">Dept. of Theatre and Film<br class="">
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