What is the purpose of a design specification in a project?

The purpose of a design specification in a project is to detail construction methods and processes. This document serves as a comprehensive guide that outlines the specific requirements, standards, and guidelines that must be followed during the project's implementation. Design specifications provide clarity on how various components of the project should be constructed, including materials to be used, techniques to be applied, and quality standards to be maintained. In doing so, it ensures that the final output adheres to the intended design and meets the necessary regulatory requirements.

The other choices, while important in their respective contexts, do not encompass the primary function of a design specification. Establishing a project budget relates to financial planning, outlining financial obligations pertains to contracts and payments, and managing project timelines involves scheduling and task management. Each of these focuses on different aspects of project management that are distinct from the technical and detailed nature of design specifications.