The material needed for the walls is found in the: civil plan mechanical plan structural plan plumbing plan

The material needed for the walls is found in the structural plan. The structural plan provides information about the building's structural system, including the foundation, framing, and walls. It outlines the materials to be used, the dimensions, and the construction methods. The civil plan focuses on the site layout, grading, and drainage. The mechanical plan deals with the HVAC system, while the plumbing plan focuses on the plumbing system.