Final answer:
To determine the order of roof truss installation, it is best to follow the architectural plans or consult a structural engineer. Trial and error is not recommended.
Step-by-step explanation:
When roof trusses are turned up, it is important to know the order in which they should be installed to ensure structural stability. The best way to determine the correct order is by following the architectural plans provided for the construction project. Architectural plans typically include detailed drawings and specifications that indicate the placement and orientation of the trusses. By following these plans, builders can ensure that the trusses are installed correctly and in the proper sequence.
Consulting a structural engineer can also be beneficial in determining the order of installation. Structural engineers specialize in the design and analysis of structures and can provide expert guidance on the appropriate sequencing of roof trusses.
While trial and error may eventually lead to the correct order, it is not an efficient or recommended approach. Roof trusses play a crucial role in supporting the roof structure, and incorrectly installing them can lead to structural failures or safety hazards.