List of Contributions

Thanks for your reply. What you did was very important and frequently overlooked. I may be overly cautious, but I believe in always matting- whether it is a crawler or an outrigger crane. A minor problem is that there is no generally accepted method for determining the way the load is transferred through ...

​We members of the ASCE Construction Institute Crane Safety Committee attempt to assist fellow members (and others) in understanding the issues and difficulties involved with lifting with cranes or alternative methods. The new OSHA crane safety rules cite several instances where qualified engineers should ...

​An interesting book for respondents and viewers to the original question is entitled "Measure for Measure- a small book of 864 pages dedicated entirely to global measuring systems. It includes measuring systems for countries around the world- current, recently historical, and ancient. Conversion factors ...

​Michael- Some very good points. Drawings from other countries will at times use centimeters for all measurements and it is up to the viewer to know which units they are using- much like using a slide rule when knowing where to put the decimal. ------------------------------ James Worrell Mostly ...

​Chad- As a semi-retired Rigging (Heavy Lift) Engineer, I appreciate anyone who gives accurate weights to crane operators- as overloading is one of the largest causes of crane accidents. Crane operators will frequently encounter confusing terms within the load charts and operator's manuals when operating ...