C26.34-D-WD-RLD

TERRA TRANSIT DIVISION OF TURTLE TOP Pdf Download PDF Report

Exterior Noise Test

Accelerating from Standstill

Date : 1994-05-09
Personnel : B.L., J.P. & R.H.
Temperature (°F) : 60 Humidity (%) : 78
Wind Speed (mph) : 8 Wind Direction : W
Barometric Pressure (in.Hg) : 29.89
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: true checked by R.L.L.
Exterior Ambient Noise Level dB(A): 50.3

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 71.8 1 69.9
2 71.3 2 69.6
3 70.5 3 69.8
4 71.3 4 70.2
5 71.6 5 69.6
Average of two highest actual noise levels = 71.7 dB(A) Average of two highest actual noise levels = 70.1 dB(A)