Streetcar

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

Exterior Noise Test

Accelerating from Standstill

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: false checked by 93.9
Exterior Ambient Noise Level dB(A): 45.5

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 75.6 1 76.9
2 75.9 2 77.6
3 75.6 3 77.3
4 75.7 4 77.6
5 75.1 5 77.0
Average of two highest actual noise levels = 75.8 dB(A) Average of two highest actual noise levels = 77.6 dB(A)