Shop drawings document the fire alarm design and installation details for review, permitting, and commissioning. Typical contents: floor plans with device locations, circuiting (IDC/SLC/NAC), riser diagrams, sequence of operations/matrix, power calculations (battery, voltage drop), equipment cut sheets, and notes on codes/standards. Clear documentation supports AHJ approval, accurate installation, testing, and future troubleshooting. Worked example(s) Example: A proper sequence matrix shows what happens when 'Smoke Detector in Corridor' alarms: which NACs activate, which doors release,... Show more Shop drawings document the fire alarm design and installation details for review, permitting, and commissioning. Typical contents: floor plans with device locations, circuiting (IDC/SLC/NAC), riser diagrams, sequence of operations/matrix, power calculations (battery, voltage drop), equipment cut sheets, and notes on codes/standards. Clear documentation supports AHJ approval, accurate installation, testing, and future troubleshooting. Worked example(s) Example: A proper sequence matrix shows what happens when 'Smoke Detector in Corridor' alarms: which NACs activate, which doors release, which HVAC shuts down, what is sent to supervising station, and what annunciators display. Show less
Shop drawings document the fire alarm design and installation details for review, permitting, and commissioning. Typical contents: floor plans with device locations, circuiting (IDC/SLC/NAC), riser diagrams, sequence of operations/matrix, power calculations (battery, voltage drop), equipment cut sheets, and notes on codes/standards. Clear documentation supports AHJ approval, accurate installation, testing, and future troubleshooting.
Worked example(s) Example: A proper sequence matrix shows what happens when 'Smoke Detector in Corridor' alarms: which NACs activate, which doors release, which HVAC shuts down, what is sent to supervising station, and what annunciators display.
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