Specifications primarily address the interests of which parties?

The correct answer identifies that specifications primarily address the interests of the contractor. In construction projects, specifications serve as detailed guidelines that outline the materials, workmanship, and standards required for the project. These documents provide the contractor with the specific information necessary to properly execute the construction work.

Specifications cover the types of materials to be used, installation methods, quality standards, testing procedures, and compliance requirements. This information is crucial for the contractor to plan, schedule, and budget the project accurately. While the interests of other parties, such as the owner and architect/engineer, are certainly considered in the creation of specifications, the contractor ultimately relies on them to understand their responsibilities and obligations under the contract.

Options that include the owner or architect/engineer as primary interests highlight their roles in the project but do so in a broader context. The primary focus of specifications is to guide the contractor in executing the work which is why the contractor is the most directly addressed party in this context.