40TB102

GILLIG CORPORATION Pdf Download PDF Report

Exterior Noise Test

Accelerating from Constant Speed

Date : 1992-09-28
Personnel : B.L., B.R., & R.H.
Temperature (°F) : 72 Humidity (%) : 87
Wind Speed (mph) : 6 Wind Direction : NW
Barometric Pressure (in.Hg) : 30.25
Verify that microphone height is 4 feet, wind speed is less than 12 mpg and ambient temperature is between 30 F and 90 F: true checked by B.L.
Initial Sound Level Meter Calibration: false checked by B.L.
Exterior Ambient Noise Level dB(A): 43.2

Accelerating from Constant Speed
Curb (Right) Side
Accelerating from Constant Speed
Street (Left) Side
Run # Measured Noise Level dB(A) Run # Measured Noise Level dB(A)
1 77.8 1 83.9
2 77.1 2 84.3
3 77.4 3 85.6
4 77.0 4 84.5
5 77.0 5 85.4
Average of two highest actual noise levels = 77.6 dB(A) Average of two highest actual noise levels = 85.5 dB(A)