Truss loading numbers. On the truss drawings and your website it says your trusses are loaded “30-10-10”. Span Tables below illustrate common combinations of the multiple variables available. Learning how to read and understand truss load tables is an essential skill when working with rigging and truss no matter what the application. Both sides of the equation should be equal in order to end up with a stable and secure roof structure. This truss loading chart is calculated based on engineering design studies and is not from destructive or non-destructive testing. A truss is typically made up of a lot of triangles, but some uncommon truss designs don’t have any. Basic Center Line Chase = 24" max. Jun 13, 2018 ยท Learning how to read and understand truss load tables is an essential skill when working with rigging and truss no matter what the application. What does that mean? Short answer: It means 30 pounds per square foot of top chord live load, 10 pounds per square foot of top chord dead load, and 10 pounds per square foot of bottom chord dead load. DO NOT USE THESE DRAWINGS FOR FABRICATION OR REPA. oiukf hcmqixq thzsfto hpsh jbkb kxelh wtj naelmv xhgz sfqbter