Which documentation is required for heat detection design in accordance with Section 17.6 of NFPA 72?

• A. Fire alarm design report
• B. System test plan
• C. Maintenance schedule
• D. Heat detection design documentation

Answer: (D)

The main idea here is that NFPA 72 requires a specific design record for heat detection to prove the design will perform as intended. This heat detection design documentation is the formal package that details all decisions and data used to place and configure heat detectors: the type of detectors (fixed temperature or rate-of-rise), where they are located and how densely they are spaced, the coverage they provide, and environmental factors that could affect performance (ambient temperature ranges, humidity, airflow, corrosive or dusty environments). It also covers alarm setpoints, how the heat detectors coordinate with other devices and the fire alarm system, wiring and power considerations, and how the system will be tested and accepted to verify it meets the design intent. Having this document gives the authority having jurisdiction a clear basis to review and approve the design before installation and provides a reference for installation, testing, and future maintenance. Other papers like a broad fire alarm design report, a system test plan for commissioning, or a maintenance schedule do not fulfill this specific heat-detection design documentation requirement.