LOW FLOOR SO304T2

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Exterior Noise Test

Accelerating from Standstill

Date : 1999-03-24
Personnel : B.L., S.C. and R.H.
Temperature (°F) : 38 Humidity (%) : 72
Wind Speed (mph) : 5 Wind Direction : n
Barometric Pressure (in.Hg) : 30.04
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.
Initial Sound Level Meter Calibration: true checked by R.L.
Exterior Ambient Noise Level dB(A): 47.9

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 77.7 1 80.5
2 77.9 2 79.9
3 76.8 3 80.2
4 77.3 4 80.0
5 77.5 5 79.8
Average of two highest actual noise levels = 77.8 dB(A) Average of two highest actual noise levels = 80.4 dB(A)