This document discusses oxygen planning and management in hospitals. It covers various oxygen sources like liquid medical oxygen and oxygen cylinders. It explains how to estimate oxygen needs based on bed capacity and flow rates. It also discusses the current situation in Indian hospitals, highlighting the need for primary and reserve oxygen supplies as well as alarm systems. The document provides good practices for oxygen system planning like automatic changeover between supply and backup sources. It stresses the importance of disaster planning through measures like hourly monitoring, conserving oxygen use, and having protocols to offset loads and escalate issues during emergencies.