Special Considerations; Overview; Special Considerations For Smoke Detectors And Sensors; Smoke Detector/Sensor Applications - Simplex 4098 Applications Manual

Special Considerations

Overview

Before installing detectors/sensors, make a survey of the area to be covered in accordance with
information provided in NFPA 72, (an excerpt of which is provided in the "Smoke Detector/
Sensor Applications" section below). For additional information, refer to NFPA 72 and the
NEMA Guide for Proper Use of System Smoke Detectors.

Special
Considerations for

Smoke Detectors
and Sensors









Smoke
Each detector/sensor is capable of providing up to 900 square feet (84 square meters) of coverage,
Detector/Sensor
depending on the following:
Applications


Is there human occupancy?
Contents to be protected.
Type of construction and use.
Burning characteristics of contents.
Air movement - stratification.
Deflections and obstructions.
Height of ceilings.
Surface conditions of ceilings.
Type of ceiling construction.
Total area.
Vent locations - velocities - dilution.
Requirements of local codes.
Results of engineering evaluation.
firealarmresources.com
1-2