Student Safety Transporter (SST)

Chestnut Ridge dba Trans Tech Bus, a Transportation Collaborative Co. Pdf Download PDF Report

Interior Noise Test Data Form

Test Condition 1: 80 dB(A) Stationary White Noise

Date 2014-01-15
Personnel T.S., S.R. & E.D.
Temperature (°F) 41
Humidity (%) 50
Wind Direction S
Wind Speed (MPH) 12
Barometric Pressure (in.Hg) 28.78
Initial Sound Level Meter Calibration checked by E.D.
Interior Ambient Noise Level dB(A) 30.0
Exterior Ambient Noise Level dB(A) 46.8
Microphone Height During Testing(in) 29
Measurement Location Measured Sound Level dB(A)
Driver's Seat 45.8
Front Passenger Seats 43.1
In Line with Front Speaker 42.7
In Line with Middle Speaker 43.5
In Line with Rear Speaker 47.5
Rear Passenger Seats 42.3
Final Sound Level Meter Calibration checked by T.S.
<p>All readings taken in center aisle.</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>Note:&nbsp; Actual sound level is corrected for ambient inside sound level.</p>