Which of the following statements about truss members is accurate?

The statement regarding truss members that accurately reflects the guidelines for their handling is that they can be cut, drilled, but not altered without approval. Truss members are critical components in structural engineering, particularly in frameworks that support roofs, bridges, and other load-bearing structures. Because any alterations can significantly affect the structural integrity and load distribution of the truss, such modifications typically require careful evaluation and approval from a qualified engineer or designer.

When members are cut or drilled, it must be done following specific design considerations to avoid compromising their strength and stability. Additionally, any kind of alteration that affects their original design must be sanctioned to ensure safety standards are maintained. This focus on oversight helps to prevent unqualified changes that could lead to structural failure.

Other statements imply more flexibility regarding modifications to truss members, which could lead to unsafe practices if not managed under strict guidelines. Approvals are essential to maintain the structural integrity and safety of the entire system, underscoring the importance of adhering to established protocols in construction and engineering practices.