Working Load Limit Question

Topic 22875 | Page 1

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Philip N.'s Comment
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I am confused by the correct answer to this queston. I answered 33,000 pounds because the maunual says 50% of each end of the tie down. What am I missing?? What is the Aggregate WLL of the securement system for a load secured with 7 tiedowns: 3 rated at WLL of 4,000 lbs, 2 at 6,500, and 1 at 8,000? 10,000 lbs 8,250 lb 16,500 lbs CORRECT ANSWER 33,000 lbs MY ANSWER

How do you calculate Aggregate Working Load Limit for tiedowns? To calculate Aggregate Working Load limit, add together:

50% of the WLL of each end section of a tiedown that is attached to an anchor point. 50% of the WLL of each end section that is attached to the cargo

murderspolywog's Comment
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So the aggregate is 50% of all the wll for each point attached to the trailer. So take a 5/16 chain g7 it has a wll of 4700 pounds. Now take that chain hook it to a to a tie down point on a hummer. Now attach that chain to your deck your aggregate will is 50% of 4700. What confuses me on your question is I don't think I have all the info, you have 6 peace of securement and 7 tie down points so to figure the aggregate we would need to know which peace is secured 2 times to the trailer. Clear as mud yet?

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