What is one key requirement for construction compliance in building codes?

A key requirement for construction compliance in building codes is that all structural modifications must be preapproved. This is critical as building codes are established to ensure safety, structural integrity, and adherence to design standards that protect both the occupants and the surrounding environment. Preapproval of structural modifications typically involves submitting plans to local building authorities, who review them for compliance with the relevant regulations.

This process not only helps in maintaining safety standards, but it also ensures that any changes made to the original design will not compromise the building's functionality or safety. Modifications might include changes in materials, load-bearing structures, or even aesthetic adjustments, and each of these changes has the potential to impact the overall safety and effectiveness of the building. Thus, the requirement for preapproval is essential in protecting public safety and ensuring that construction projects comply with the established building codes.

The other options do not encapsulate a fundamental requirement of building code compliance in the same way. While sourcing materials locally, strict adherence to codes, and obtaining architect approvals may be relevant in various contexts, they are not universally recognized requirements across all building projects. Compliance often hinges specifically on whether structural modifications have been assessed and sanctioned prior to execution.