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TehMightyEngineer, I just checked out your link. That was what I was looking for! I needed some justification for designing my beams for 125% of the rated capacity. I knew I had seen it somewhere on OSHA site, but that has been a while. I started working for a different company, and I have...

Thanks for the quick responses. I have a pretty good grasp on BTH component design and testing. I was mainly wondering if OSHA has specific design criteria for Above the hook rigging hardware. I understand that there is some factor of safety in ordinary steel design, given by ASD or LRFD...

I am unclear on the impact factor used for a trolley beam or hoist beam design. In the past, I have used 25% impact for design, since everything below the hook will be proof tested for 125% capacity, however, if everything below the hook is tested elsewhere, does the hoist beam itself have to...

Thanks namklof. I will see how it works.

Hello folks, I need to analyze a 14" water pipe buried under about 4' of compacted soil. The pipe needs to withstand E-80 loading and I would like some help on determining the stress distribution on the outside shell of the pipe because I know that it isn't uniform at all. Any good STAAD...