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DOE-STD-1090-96, DOE Standard Hoisting and Rigging Manual ...

DOE-STD-1090-96, DOE Standard Hoisting and Rigging Manual ...

DOE-STD-1090-96, DOE Standard Hoisting and Rigging Manual ...

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<strong>DOE</strong>·<strong>STD</strong>·<strong>1090</strong>-<strong>96</strong> (Rev-l)When legs are notof equal length, usesmaflest H/[ ratioNOTE: Load may be supportedon only 2 legs while 3rd legbalances it. Therefore, ther~uired SWL is determined bythe following:Total Rated Capacity = WLL(of single vertical hitch) x H/L x 2Figure 11-8. Determination of capacity---3-leg bridle sling.When legs are not of equal length,use smanest HlL ratio.NOTE: Load may be carried by only 2 legswhile other 2 legs balance it. Therefore.the required SWL is determined by the .following:Total Rated Capacity =WLL (of singlevertical hitch) x H/L x 2Figure 11-9. Determination of capacity-4-leg bridle sling.11-11Chapter 11Wire Rope <strong>and</strong> Slings

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