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• Mixed / Hybrid Systems and Certifications <br />Siemens does not enter into service or support contracts in which another <br />manufacturer controls or programs the Siemens fire alarm head-end. In <br />situations where non-Siemens components are improperly integrated at the <br />control level, Siemens will not certify, warrant, or service the system in that <br />configuration. <br />• Importantly, Siemens has not lost certifications due to this policy. On the <br />contrary, maintaining strict control over head-end programming and system <br />architecture is required to preserve UL listings, NFPA compliance, and <br />manufacturer certifications. This policy is standard practice among major fire <br />alarm manufacturers and is fundamental to ensuring life-safety reliability. <br />• In summary, the proprietary nature of the Siemens fire alarm head-end, combined <br />with certification, compliance, and life-safety responsibilities, is why only <br />Siemens can provide compatible replacement components, programming, and <br />commissioning for the existing system at the Whitted Complex. <br />• UL/ULC System Compatibility: Fire safety systems must maintain their UL/ULC <br />Listings. Mixing non-Siemens components into an existing Siemens loop can <br />void these certifications, leading to a failure to meet local fire codes and National <br />Fire Protection Association (NFPA 72) standards. <br /> <br />3. Critical Technical Facts <br />• Proprietary Programming: Only factory-authorized Siemens technicians possess <br />the proprietary software tools and security keys required to program the <br />system's BACnet controllers and Building X Cloud Fire Apps. <br />• Reduced Lifecycle Costs: Modernizing with Siemens allows for backward <br />compatibility, enabling the future reuse of existing wiring and peripheral devices, <br />which saves up to 75% compared to a full system replacement with another <br />brand. <br /> <br />4. Market Research <br />Research was conducted to identify alternative life safety providers (e.g., Honeywell, <br />Simplex, Edwards). While these vendors offer fire detection, they cannot provide a <br />Docusign Envelope ID: 08E91030-922D-4709-869D-15E7C7C2215B