According to the code, what type of approval is necessary for alterations to truss components?

For alterations to truss components, written approval is essential as it ensures that any modifications meet safety standards and comply with the code requirements. Trusses are critical structural elements in buildings, and their integrity is vital to the overall safety and stability of the structure. When changes are made, they must be carefully evaluated to understand their impact on the load-bearing capacities and structural performance.

Written approval provides a formal record of the consent for the alterations and helps ensure that all parties involved are aware of the modifications and that they adhere to the specified guidelines. This written documentation is an important part of maintaining safe practices in construction and renovation, providing accountability and traceability for the work performed. It also helps ensure that all changes are inspected and verified by qualified professionals, minimizing the risk of structural failures resulting from improperly altered trusses.