MIDI-Ford

Great American Trolley Co. dba Cable Car Concepts Pdf Download PDF Report

Exterior Noise Test

Accelerating from Constant Speed

Date : 2014-10-07
Personnel : T.S., S.R., E.D. & J.S.
Temperature (°F) : 59 Humidity (%) : 67
Wind Speed (mph) : Wind Direction : SW
Barometric Pressure (in.Hg) : 29.98
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.R.
Initial Sound Level Meter Calibration: true checked by S.R.
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 75.0 1 75.1
2 75.4 2 77.0
3 75.1 3 75.2
4 76.7 4 76.6
5 76.1 5 75.6
Average of two highest actual noise levels = 76.4 dB(A) Average of two highest actual noise levels = 76.8 dB(A)