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Assembly spaces with performance stages may require:
Smoke control interfaces and additional detection/controls
Definition: Large smoke volumes and curtains may need special controls.
Server rooms with clean agent systems should:
Use detection logic like cross zone and provide pre discharge warnings
Definition: Two event logic and pre discharge notifications protect equipment and occupants.
Open parking garages typically require:
Special detection rarely; rely on carbon monoxide sensors or ventilation controls per mechanical code
Definition: Open air reduces smoke accumulation; controls often target carbon monoxide build up.
Acceptance testing should verify:
100 percent of initiating/notification devices and sequences
Definition: Acceptance is complete testing of devices and programmed functions.
Semi annual tests commonly apply to:
Duct smoke detectors and related air sampling components
Definition: Duct devices require more frequent verification of airflow and operation.
Sensitivity testing of spot smoke detectors should occur:
Within a year after installation and at code permitted intervals
Definition: Verify sensitivity after installation and at periodic intervals per code and listing.
Record retention for "ITM" typically requires keeping results:
Until next test (and as otherwise required)
Definition: Maintain records until the next test at minimum; local rules may require longer.
Impairments that disable protection should trigger:
A documented fire watch and notifications as required
Definition: Fire watch maintains life safety during impairments.
A supervising station contract should define:
Signal handling, retransmission times, and testing responsibilities
Definition: Roles and response metrics are part of the service agreement.
When combining fire alarm with other low voltage systems in raceways, you must:
Follow separation/barrier and listing rules to protect circuits
Definition: Maintain separations or listed barriers to protect power limited insulation.
A proprietary supervising station means:
Owner’s facility monitors its own protected premises
Definition: Proprietary stations are owned by the entity protected and monitor signals themselves.
Remote station service means signals go:
To a public fire service communications center
Definition: Remote stations transmit to public communications centers.
Central station service means:
A listed service including installation, maintenance, testing, and monitoring
Definition: Central station service is a comprehensive, listed offering.
During annual tests, notification must operate for at least:
5 minutes
Definition: Operating for five minutes helps confirm capacity and performance.
If a building is in partial alarm during testing, staff should:
Coordinate announcements and fire watch as needed
Definition: Manage occupant communication and life safety during tests.
Before leaving after testing, technicians should:
Restore to normal, clear troubles, and notify owner and supervising station
Definition: Full restoration and notifications close out testing safely.
Point labeling should use:
Clear locations and functions matching drawings
Definition: Clear labeling speeds response and maintenance.
Records stored at the panel should include:
Record of Completion, device list, test reports, and software revision info
Definition: On site records support audits and service.
When adding devices to a "NAC", the designer should recalc:
Voltage drop, current, battery capacity, and synchronization needs
Definition: New loads change drop, current, and battery requirements.
Supervisory signals indicate:
Off normal conditions requiring attention
Definition: Supervisory points like valve closed need correction but are not alarms.
Trouble signals indicate:
A fault that may impair operation and must be addressed
Definition: Trouble includes opens, shorts, grounds, or power faults.
Owner training should cover:
System basics, event responses, impairments, and who to call
Definition: Trained staff respond appropriately during events and maintenance.
For Texas projects, documentation should also align with:
Local adoption of model codes and any state or city amendments
Definition: Texas jurisdictions adopt model codes with amendments; always verify local adoption and "AHJ" expectations. Texas Fire Alarm Technician - 400Q Master (Part 4: Questions 241-320) Aligned to: "NFPA" 72 (2022), "NEC" 70 (2020) Article 760, "IBC" (2021) Section 907, and "NFPA" 101 (2021). Audio friendly flow: Question, Options A-D, “Pause”, Answer, then a tuned Definition. Pro tip: Map the word “Pause” to a 4-6 second delay. Set voice rate to about 1.05-1.15×.
Elevator Phase One recall usually sends cars to:
The primary recall level per design
Definition: Phase One recall returns cars to a designated primary landing; a secondary landing may be used if smoke is present at the primary. Coordinate with the sequence of operations.
Which detection typically initiates Phase One recall?
Smoke detectors in elevator lobby, hoistway, or machine room as designed
Definition: Smoke in designated elevator locations triggers recall; follow the engineered and approved design.