Where should a framer refer to find the nailing pattern for framing a header of a staircase?

Referring to BC code section 9 is the most appropriate choice for determining the nailing pattern for framing a header of a staircase. This section of the building code provides detailed regulations and standards specific to construction practices, including structural requirements for framing and load-bearing elements. Understanding the guidelines outlined in this code is crucial for ensuring that the frame meets safety and performance standards set by governing authorities, which helps prevent structural failures.

Local building standards may vary and can incorporate specific amendments or additional requirements that align with local practices, but they may not provide the comprehensive and standardized information present in the BC code. Manufacturer guidelines can be useful for specific products or materials, but they might not cover the general building practices as effectively as the code itself. A construction handbook is often a helpful resource that summarizes best practices, but it may not always reference the legal standards and regulations outlined in the building code, making it less reliable for crucial details like nailing patterns. Thus, turning to BC code section 9 ensures adherence to the required legal standards for safe and effective construction.