2014

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

Exterior Noise Test

Accelerating from Constant Speed

Date : 2014-07-03
Personnel : S.R. & T.S.
Temperature (°F) : 75 Humidity (%) : 78
Wind Speed (mph) : 11 Wind Direction : N
Barometric Pressure (in.Hg) : 29.99
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): 40.1

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 70.6 1 71.1
2 70.4 2 73.0
3 71.5 3 75.0
4 71.1 4 75.1
5 72.8 5 75.1
Average of two highest actual noise levels = 72.2 dB(A) Average of two highest actual noise levels = 75.1 dB(A)