Hook tip loading is a common problem. While reading through one of our catalogs, Brian ran across our instructions and asked the following question, “What does it mean to never insert a hook tip?” Peter answers: Hooks typically do not fit into an eyebolt or they don’t seat properly in the [...]
Richard asks: What is the working load limit of a ½ “ – G80 2-legged chain sling when both legs are used in a choke? Peter answers: The first thing that you want to do is to look at how the choke is rigged or rendered. Working load limits shown on charts or tags [...]
Thank you, Tim & Harris, for your comments. We also received interesting insights on our Facebook page. You know your rigging! Here is my take on this application: This is a wire rope support grid. These 1 foot squares allow a rigger to quickly position light loads in specific spots by dropping in a rope through [...]
Below is a picture of a wire rope support grid from an entertainment venue. Can you tell us what is wrong with this picture? Post your ideas in the comments section of our blog. We will post our answer on Friday morning.
Kyle asks the following question about load testing: A company I work with conducts a special lift twice a year where they lift 100,000 lbs. with a 50 Ton crane. Are there any special requirements as far as load testing, inspections or OSHA requirements that need to be considered when doing this lift? If [...]
This photo and explanation have been provided by our guest blogger, Lou Collobert, from Independent Electric. Lou is a CMCO Certified Hoist Repair Technician. Thank you everyone for your comments! Here is the answer to our challenge question: The trolley or carrier has been modified to accommodate the hoist’s suspension hook. This is an alteration of the Original [...]
You can put your ideas in the comments or check in on Friday for the answer!
Gene writes: “I am not seeing eye to eye with my customer on a bridge crane alarm issue. His claim is that the warning device must be an alarm (sound) and that it should be continuously on when the bridge is traveling. The standard he is referencing is ANSI B30.2 (1967) with the claim that [...]
Thanks to everyone who submitted comments! We added them under the original post. If you have any questions about any of the above notations, please send an e-mail to firstname.lastname@example.org and we will address them for you. We are very sorry that our “comment” field wasn’t functioning this week. We are working to resolve the issue. [...]