Tyco 579-769 Smoke Alarm User Manual


 
6-6
In this example, consider a standard office corridor with the following specifications:
Dimensions = 100’ L x 12’ W x10’ H
Flooring = Tile
Ceiling = Acoustic Tile
Walls = Gypsum over 2” x 4”, (16” on center)
Ambient Noise = 60 dB
Figure 6-5. Corridor Design Example
The following basic results are attained from the iTool:
The iTool reverberation time calculator estimates a reasonable T60 time of 0.7 seconds.
Using wall mount speakers in an Edge-to-Edge pattern, the resulting total number of speakers
is 5 tapped at 0.25 W, for a total of 1.25 W of audio power required.
Continued on next page
Applying the Methods, Continued
Example 2: Corridor