40/102TB M11

GILLIG CORPORATION Pdf Download PDF Report

Exterior Noise Test

Accelerating from Constant Speed

Date : 1997-09-05
Personnel : B.L., S.C. and B.B.
Temperature (°F) : 64 Humidity (%) : 63
Wind Speed (mph) : 8 Wind Direction : wsw
Barometric Pressure (in.Hg) : 30.22
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 R.L.L.
Initial Sound Level Meter Calibration: false checked by R.L.L.
Exterior Ambient Noise Level dB(A): 45.4

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 73.6 1 74.3
2 73.5 2 74.6
3 73.8 3 74.1
4 73.6 4 74.4
5 73.2 5 74.1
Average of two highest actual noise levels = 73.7 dB(A) Average of two highest actual noise levels = 74.5 dB(A)