Night time Noise Monitoring Results                  
                           
Station M6a, Aegean Terrace                      
Date Start Time End Time  Weather Noise level (dB(A)), 30 min Major Construction Noise Source(s) Observed Other Noise Source(s) Observed Remarks Temp. (°C) Wind Speed (m/s) Noise Meter Model / ID Calibrator Model / ID
Leq L10 L90
18/08/14-a 23:00 23:05 Fine 44 46 43 Works inside tunnel Local traffics of Aegean Terence  According to contractor, general construction works was in process accordance to CNP.
Free-field measurement, +3dB correction.		 29.6 <5 B&K 2238   S/N : 2800932 B&K 4231  S/N: 3004068
18/08/14-b 23:05 23:10 46 46 43
18/08/14-c 23:10 23:15 50 52 44
18-Aug-14 23:00 23:15 Fine 50 52 46 Works inside tunnel Local traffic of Aegean Terence  According to contractor, general construction works was in process accordance to CNP.
Free-field measurement, +3dB correction.		 29.6 <5 B&K 2238   S/N : 2808432 B&K 4231  S/N: 3004068
      Max 50      
      Min 44      
      Average 47