by Mike Guertin
Several years ago, while discussing how to lift trusses for a hip roof, our crane operator suggested that I preassemble some of the components on the ground. I decided to give it a try, so I worked a little late that day, attaching the jack trusses to the girder trusses (see Figure 1). The lift went off without a hitch. On the next hip roof...
to read the full article.