UFC 4-021-01 Design and O&M: Mass Notification Systems, with Change 1

This UFC provides the design, operation, and maintenance requirements of MNS for DOD facilities. The requirement for a MNS is established by UFC 04-010-01. This document is intended to assist in the design of systems that meet the requirement established by UFC 04-010-01 and to give guidance to commanders, architects, engineers, and end users on design, operation, and maintenance of MNS.