This document provides guidelines for the layout of sterile and non-sterile areas in a plant. For sterile areas, it outlines airflow patterns with air entering at positive pressure above atmospheric pressure. It describes personnel movement through airlocks and changing rooms to maintain cleaner conditions moving from potential contamination to less. Material passes through hatches and airlocks. For non-sterile areas, it presents three layout options: a central storage warehouse with perimeter production, side-by-side storage and production, and a straight-line layout. The layouts aim to optimize space, traffic flow, and separation of functions.