Radial-arm saws, sliding compound miter saws, and powered miter boxes (chop boxes) used for crosscutting long boards are best located against the longest wall of the shop, as shown in the first option in the illustration. If the saw is to become a stationary machine, it’s typical to mount or build it into a long, narrow support table fitted with a fence.
Let’s be clear about one thing: No workshop is perfect for everyone. If there were, I could simply give you a precise plan to follow with clear dimensions. Every person who comes to the hobby, avocation, or profession of woodworking has his own particular collection of tools and his own peculiar work style, skills, and desires for the kind of woodworking he wants to do that gives him a unique approach as to how he will lay out a shop: where the tools should go, where lumber and supplies are stored, and how much bench area he needs.