Streetcar

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

Exterior Noise Test

Accelerating from Constant Speed

Date : 2015-03-19
Personnel : T.S.,S.R.,E.D. & M.R.
Temperature (°F) : 36 Humidity (%) : 27
Wind Speed (mph) : 4 Wind Direction : N
Barometric Pressure (in.Hg) : 30.31
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
Initial Sound Level Meter Calibration: true checked by
Exterior Ambient Noise Level dB(A): 45.1

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 73.6 1 76.0
2 72.2 2 76.8
3 73.2 3 76.7
4 72.5 4 77.1
5 73.2 5 75.3
Average of two highest actual noise levels = 73.4 dB(A) Average of two highest actual noise levels = 76.9 dB(A)