Truss Load Charts – What Do UDL, CPL, 3PL, 4PL and 5PL Mean?

Truss load charts can be confusing. There are multiple rows and columns of numbers and a lot of acronyms to figure out. In this tech tip we are going to demystify some of that information. To begin with, let’s look at a load chart in overview. These two load charts …

Structural Engineering for Live Production: When and Why?

We’ve all seen production truss load tables before. At the very least, they provide allowable Centre Point Load (CPL) and Uniformly Distributed Load (UDL) for given spans. Typically, these are values calculated by a suitably qualified Engineer contracted by the truss manufacturer. How to calculate truss loads and understanding the …