LOWFLOOR/HYBRID

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Exterior Noise Test

Accelerating from Standstill

Date : 2004-08-04
Personnel : G.M., M.H., and S.C.
Temperature (°F) : 80 Humidity (%) : 65
Wind Speed (mph) : 6 Wind Direction : sw
Barometric Pressure (in.Hg) : 29.83
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 S.C.
Initial Sound Level Meter Calibration: true checked by S.C.
Exterior Ambient Noise Level dB(A): 44.7

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 72.9 1 73.1
2 72.1 2 72.2
3 73.4 3 72.4
4 72.7 4 72.0
5 72.4 5 72.3
Average of two highest actual noise levels = 73.2 dB(A) Average of two highest actual noise levels = 72.8 dB(A)