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GLAVAL BUS/DIV. OF FOREST RIVER Pdf Download PDF Report

Exterior Noise Test

Accelerating from Standstill

Date : 2012-03-19
Personnel : G.C.. T.S. & J.P.
Temperature (°F) : 68 Humidity (%) : 56
Wind Speed (mph) : Calm Wind Direction : Calm
Barometric Pressure (in.Hg) : 30.16
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 T.S.
Initial Sound Level Meter Calibration: true checked by T.S.
Exterior Ambient Noise Level dB(A): 35.9

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 66.5 1 69.5
2 67.2 2 69.6
3 66.8 3 70.0
4 67.7 4 69.7
5 67.3 5 69.6
Average of two highest actual noise levels = 67.5 dB(A) Average of two highest actual noise levels = 69.9 dB(A)