How do I, as a truss manufacturer, adequately advise my customer against the dangers of 60 and over truss span installations (i.e., exceeding the scope of WTCAS Warning Poster)?
The recommendations in WTCA’s Warning Poster are based upon actual field experience but are only presented as a guide for the qualified building designer, builder, or erection contractor. It is not the responsibility of you, the truss manufacturer, to determine the exact handling, installing, and bracing of the trusses you manufacture. You offer the poster as recommendations. As you know, the warning poster notes that for trusses over 60 feet, an engineer should be involved. This is because of the increased risk involved with trusses with large spans. When you achieve large spans like 60+ ft., temporary bracing becomes an extremely important issue! As far as hoisting 60+ ft. trusses, warning poster still provide recommendations (strongback/spreader should be used). As far as temporary bracing, the recommendations still hold true. You should take extra caution on long span trusses. Know who is going to erect them and go over the warning poster with them.
Related Questions
- How do I, as a truss manufacturer, adequately advise my customer against the dangers of 60 and over truss span installations (i.e., exceeding the scope of WTCAS Warning Poster)?
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