<div dir="ltr"><div><div><div>Page 24 and 25 in the catalog list beam and column loading data for P1000 channel:<br><br><a href="http://www.unistrut.us/DB/PDF_Archive/No_12.pdf">http://www.unistrut.us/DB/PDF_Archive/No_12.pdf</a><br><br></div>As presented in Jay Glerum's book and class (Stage Rigging Fundamentals), I thought safety factor was something you multiplied your load by to arrive at the minimum rating for your hardware. <br><br></div>For example, if you have to lift a 500 lb load and you want a safety factor of 10, you would use hardware rated at a minimum of 5,000 lbs.<br><br></div>Is that it, or am I missing something? And does this help?<br><br>-Phil<br><div class="gmail_extra"><div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><br>"Quini, quidi, quici" - I came, I saw, I played a little quidditch. <br><br><br></div></div></div></div></div>
<br><div class="gmail_quote">On Thu, Feb 26, 2015 at 9:38 AM, Stephen Lee via Stagecraft <span dir="ltr"><<a href="mailto:stagecraft@theatrical.net" target="_blank">stagecraft@theatrical.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">Does anyone know what the safety factor is on the load ratings for plain-vanilla P1000 (1 5/8" square, 12 gauge) Unistrut? For some reason, it's not in the published load data.</p>
<p dir="ltr">I don't really need an exact answer, since this is just for a mental exercise. Their catalog lists safety factors for their brackets, beam clamps, and hardware, but not for the strut itself. Am I simply missing it somewhere?</p><span class="HOEnZb"><font color="#888888">
<p dir="ltr">Stephen Lee</p>
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