Final answer:
Foundation anchor bolts should typically be at least 1/2 inch in diameter and extend a minimum of 7 inches into concrete, securing the building to the foundation.
Step-by-step explanation:
The student's question pertains to the specifications for foundation anchor bolts used in constructing concrete foundation walls. These specifications are part of building codes that ensure structural integrity. While the exact size may vary depending on the building code or specific engineering requirements, a common minimum standard for residential construction is that anchor bolts should be at least 1/2 inch in diameter and extend a minimum of 7 inches into the concrete. These dimensions are crucial as they determine the ability of the anchor bolt to effectively secure the building's sill plate to the foundation, thereby resisting seismic forces, wind, and other structural loads.