Villager

Double K, Inc. dba Hometown Trolley Pdf Download PDF Report

Exterior Noise Test

Accelerating from Constant Speed

Date : 2015-03-12
Personnel : T.S., S.R. & J.S.
Temperature (°F) : 40 Humidity (%) : 32
Wind Speed (mph) : 11 Wind Direction : NNW
Barometric Pressure (in.Hg) : 30.55
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
Exterior Ambient Noise Level dB(A): 46.1

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 76.0 1 74.7
2 76.4 2 76.5
3 76.1 3 77.5
4 77.3 4 78.0
5 75.4 5 77.7
Average of two highest actual noise levels = 76.9 dB(A) Average of two highest actual noise levels = 77.9 dB(A)