This requirement consists of removal and installation of two (2) OEM-Authorized MONACO D-21 Fire Alarm System upgrades, operator training, and Preventative Maintenance and Inspection (PMI) Services six (6) months after installation to ensure the system performance and address any issues that have arisen. The system must be compatible with the existing Monaco fire alarm system network used on the installation. The Contractor shall validate system performance and network connectivity verification after installation is completed.