Foreword
ISO has prepared this guide as an aid in estimating the amount of water that should be available for
municipal fire protection. ISO calls this the needed fire flow. This publication is only a guide and requires
knowledge and experience in fire protection engineering for its effective application.Index
Preface
Needed Fire Flow Formua
Type of Construction (Ci) and Effective Area (Ai)
Occupancy Factor (Oi)
Exposure (Xi) and Communication (Pi) Factor
Separate Classifications of Buildings
Determining Recognition of Automatic Sprinkler Systems
Other Considerations for Determining Needed Fire Flow (NFF)
Examples
Needed Fire Flow/Effective Area Table
