C26.34-D-WD-RLD

TERRA TRANSIT DIVISION OF TURTLE TOP Pdf Download PDF Report

Exterior Noise Test

Accelerating from Constant Speed

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: false checked by R.L.L.
Exterior Ambient Noise Level dB(A): 49.7

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 73.0 1 73.3
2 74.0 2 73.7
3 73.4 3 73.9
4 73.1 4 73.8
5 73.3 5 74.5
Average of two highest actual noise levels = 73.7 dB(A) Average of two highest actual noise levels = 74.2 dB(A)