Appendix A1
Day-time Noise Level at Mei Chun Court, South Horizons (M9)
¡@ Noise Level for 30-min, dB(A) ¡@ Noise Level for 30-min, dB(A)
Date Time Leq L10 L90 Date Time Leq L10 L90
6-Jan-10 07:03:00 56.8 57.8 47.6 7-Jan-10 07:03:00 54.6 57.8 48.9
6-Jan-10 07:33:00 53.2 56.0 48.9 7-Jan-10 07:33:00 53.2 56.1 48.9
6-Jan-10 08:03:00 58.5 62.8 51.7 7-Jan-10 08:03:00 58.2 61.5 51.9
6-Jan-10 08:33:00 53.6 56.0 49.6 7-Jan-10 08:33:00 59.1 62.1 52.0
6-Jan-10 09:03:00 58.9 61.2 55.2 7-Jan-10 09:03:00 59.4 62.0 55.2
6-Jan-10 09:33:00 57.4 58.3 51.6 7-Jan-10 09:33:00 55.5 57.7 51.2
6-Jan-10 10:03:00 56.8 59.7 52.0 7-Jan-10 10:03:00 55.6 58.3 50.5
6-Jan-10 10:33:00 59.6 62.9 52.1 7-Jan-10 10:33:00 55.8 58.9 51.0
6-Jan-10 11:03:00 55.1 57.6 51.7 7-Jan-10 11:03:00 52.5 54.4 49.3
6-Jan-10 11:33:00 59.0 61.6 55.2 7-Jan-10 11:33:00 52.5 55.3 48.5
6-Jan-10 12:03:00 56.8 58.9 54.5 7-Jan-10 12:03:00 59.0 61.5 55.5
6-Jan-10 12:33:00 53.3 55.5 49.4 7-Jan-10 12:33:00 55.2 56.7 53.5
6-Jan-10 13:03:00 53.5 55.6 49.3 7-Jan-10 13:03:00 57.3 59.4 54.3
6-Jan-10 13:33:00 56.9 59.8 50.8 7-Jan-10 13:33:00 57.0 59.6 51.8
6-Jan-10 14:03:00 59.1 61.6 54.1 7-Jan-10 14:03:00 55.6 56.3 50.8
6-Jan-10 14:33:00 56.2 57.6 54.2 7-Jan-10 14:33:00 55.7 57.6 50.9
6-Jan-10 15:03:00 56.0 57.6 53.6 7-Jan-10 15:03:00 55.5 58.2 51.0
6-Jan-10 15:33:00 58.5 60.7 55.0 7-Jan-10 15:33:00 58.7 61.0 54.2
6-Jan-10 16:03:00 55.3 57.6 51.6 7-Jan-10 16:03:00 57.6 56.5 49.2
6-Jan-10 16:33:00 56.4 59.0 50.9 7-Jan-10 16:33:00 55.1 57.9 50.3
6-Jan-10 17:03:00 54.8 57.1 50.5 7-Jan-10 17:03:00 54.7 57.0 51.2
6-Jan-10 17:33:00 55.1 58.2 50.4 7-Jan-10 17:33:00 53.3 55.8 49.3
6-Jan-10 18:03:00 56.9 59.6 50.3 7-Jan-10 18:03:00 53.6 56.2 49.4
6-Jan-10 18:33:00 52.8 55.0 47.9 7-Jan-10 18:33:00 53.1 55.5 49.3
Mean 56.7 59.3 52.2 Mean 56.2 58.6 51.7
Maximum 59.6 62.9 55.2 Maximum 59.4 62.1 55.5
Minimum 52.8 55.0 47.6 Minimum 52.5 54.4 48.5
¡@ Noise Level for 30-min, dB(A) ¡@ Noise Level for 30-min, dB(A)
Date Time Leq L10 L90 Date Time Leq L10 L90
8-Jan-10 07:03:00 55.6 58.2 50.8 9-Jan-10 07:03:00 54.5 57.5 48.4
8-Jan-10 07:33:00 56.1 58.7 51.0 9-Jan-10 07:33:00 53.3 55.2 49.1
8-Jan-10 08:03:00 56.2 58.2 51.4 9-Jan-10 08:03:00 59.7 63.3 51.1
8-Jan-10 08:33:00 53.9 56.4 50.0 9-Jan-10 08:33:00 54.8 57.3 50.2
8-Jan-10 09:03:00 60.2 62.5 57.0 9-Jan-10 09:03:00 58.3 60.5 55.4
8-Jan-10 09:33:00 57.7 59.8 53.9 9-Jan-10 09:33:00 57.6 59.2 54.0
8-Jan-10 10:03:00 56.8 59.6 52.4 9-Jan-10 10:03:00 56.6 58.7 51.5
8-Jan-10 10:33:00 54.4 56.8 50.8 9-Jan-10 10:33:00 56.1 59.5 51.2
8-Jan-10 11:03:00 55.5 58.1 51.7 9-Jan-10 11:03:00 56.4 58.7 51.7
8-Jan-10 11:33:00 54.2 56.9 50.6 9-Jan-10 11:33:00 53.8 56.1 49.0
8-Jan-10 12:03:00 59.3 61.9 55.7 9-Jan-10 12:03:00 57.5 60.3 52.9
8-Jan-10 12:33:00 58.3 60.7 54.4 9-Jan-10 12:33:00 53.9 57.3 48.9
8-Jan-10 13:03:00 54.0 55.8 49.1 9-Jan-10 13:03:00 52.6 53.9 48.4
8-Jan-10 13:33:00 53.8 56.0 49.4 9-Jan-10 13:33:00 53.8 55.2 48.6
8-Jan-10 14:03:00 54.0 56.4 50.5 9-Jan-10 14:03:00 56.7 59.2 52.7
8-Jan-10 14:33:00 56.2 58.8 52.8 9-Jan-10 14:33:00 56.0 58.1 53.4
8-Jan-10 15:03:00 56.8 58.4 54.0 9-Jan-10 15:03:00 56.6 58.7 53.8
8-Jan-10 15:33:00 58.9 60.7 56.3 9-Jan-10 15:33:00 58.6 61.0 54.4
8-Jan-10 16:03:00 54.5 56.9 49.6 9-Jan-10 16:03:00 56.7 61.1 49.7
8-Jan-10 16:33:00 56.0 58.9 50.0 9-Jan-10 16:33:00 54.9 56.7 49.0
8-Jan-10 17:03:00 54.7 57.1 50.0 9-Jan-10 17:03:00 54.2 56.6 49.9
8-Jan-10 17:33:00 55.4 58.1 51.5 9-Jan-10 17:33:00 54.7 57.4 50.2
8-Jan-10 18:03:00 54.2 56.5 49.9 9-Jan-10 18:03:00 55.9 57.9 50.1
8-Jan-10 18:33:00 53.3 55.8 48.9 9-Jan-10 18:33:00 52.6 54.7 48.7
Mean 56.3 58.7 52.4 Mean 56.1 58.7 51.5
Maximum 60.2 62.5 57.0 Maximum 59.7 63.3 55.4
Minimum 53.3 55.8 48.9 Minimum 52.6 53.9 48.4
¡@ Noise Level for 30-min, dB(A) ¡@ Noise Level for 30-min, dB(A)
Date Time Leq L10 L90 Date Time Leq L10 L90
11-Jan-10 07:03:00 51.6 54.0 48.2 12-Jan-10 07:03:00 53.4 55.5 48.1
11-Jan-10 07:33:00 52.5 55.0 48.9 12-Jan-10 07:33:00 55.0 57.7 50.9
11-Jan-10 08:03:00 56.1 57.2 51.4 12-Jan-10 08:03:00 54.8 57.2 51.2
11-Jan-10 08:33:00 54.0 56.4 50.3 12-Jan-10 08:33:00 54.8 57.0 51.5
11-Jan-10 09:03:00 60.8 62.1 54.9 12-Jan-10 09:03:00 59.2 62.0 55.4
11-Jan-10 09:33:00 57.1 59.3 52.9 12-Jan-10 09:33:00 54.6 57.3 50.7
11-Jan-10 10:03:00 54.7 57.5 50.6 12-Jan-10 10:03:00 54.3 56.9 50.1
11-Jan-10 10:33:00 61.5 59.8 50.8 12-Jan-10 10:33:00 55.3 57.9 51.4
11-Jan-10 11:03:00 59.6 59.3 52.5 12-Jan-10 11:03:00 54.6 56.1 49.0
11-Jan-10 11:33:00 54.8 56.4 52.2 12-Jan-10 11:33:00 54.6 58.0 49.0
11-Jan-10 12:03:00 59.2 61.7 55.9 12-Jan-10 12:03:00 58.9 61.0 55.7
11-Jan-10 12:33:00 56.8 59.2 53.6 12-Jan-10 12:33:00 54.8 56.4 52.6
11-Jan-10 13:03:00 51.9 53.9 49.3 12-Jan-10 13:03:00 51.4 53.5 48.5
11-Jan-10 13:33:00 55.7 59.0 50.8 12-Jan-10 13:33:00 59.9 62.8 50.4
11-Jan-10 14:03:00 53.7 55.8 50.6 12-Jan-10 14:03:00 64.4 66.0 62.6
11-Jan-10 14:33:00 55.2 57.9 51.3 12-Jan-10 14:33:00 55.3 57.4 51.8
11-Jan-10 15:03:00 57.7 59.5 53.5 12-Jan-10 15:03:00 62.8 66.1 53.6
11-Jan-10 15:33:00 58.0 60.5 54.3 12-Jan-10 15:33:00 58.8 60.8 55.6
11-Jan-10 16:03:00 54.6 57.2 49.3 12-Jan-10 16:03:00 52.8 55.8 48.3
11-Jan-10 16:33:00 53.6 55.7 48.9 12-Jan-10 16:33:00 54.4 57.0 49.0
11-Jan-10 17:03:00 53.1 55.5 49.5 12-Jan-10 17:03:00 55.4 57.5 51.0
11-Jan-10 17:33:00 52.9 55.1 49.5 12-Jan-10 17:33:00 54.1 56.4 50.6
11-Jan-10 18:03:00 54.2 56.5 50.4 12-Jan-10 18:03:00 53.7 55.9 49.2
11-Jan-10 18:33:00 53.1 55.9 48.9 12-Jan-10 18:33:00 51.7 53.7 48.5
Mean 56.5 58.1 51.7 Mean 57.3 59.7 53.3
Maximum 61.5 62.1 55.9 Maximum 64.4 66.1 62.6
Minimum 51.6 53.9 48.2 Minimum 51.4 53.5 48.1
¡@ Noise Level for 30-min, dB(A) ¡@ Noise Level for 30-min, dB(A)
Date Time Leq L10 L90 Date Time Leq L10 L90
13-Jan-10 07:03:00 55.6 56.3 48.6 14-Jan-10 07:03:00 53.3 55.8 48.0
13-Jan-10 07:33:00 52.5 54.9 48.4 14-Jan-10 07:33:00 53.0 55.2 49.0
13-Jan-10 08:03:00 54.4 56.7 51.0 14-Jan-10 08:03:00 55.0 57.4 50.4
13-Jan-10 08:33:00 53.2 55.7 49.3 14-Jan-10 08:33:00 57.0 60.5 51.2
13-Jan-10 09:03:00 59.3 61.7 55.3 14-Jan-10 09:03:00 59.7 61.8 55.3
13-Jan-10 09:33:00 54.9 58.0 50.0 14-Jan-10 09:33:00 56.3 58.8 51.7
13-Jan-10 10:03:00 55.4 57.3 49.1 14-Jan-10 10:03:00 56.2 59.2 50.9
13-Jan-10 10:33:00 57.5 59.7 51.7 14-Jan-10 10:33:00 54.7 57.4 50.2
13-Jan-10 11:03:00 59.8 59.3 51.4 14-Jan-10 11:03:00 54.7 57.7 50.0
13-Jan-10 11:33:00 56.1 58.3 52.2 14-Jan-10 11:33:00 53.0 55.3 49.6
13-Jan-10 12:03:00 58.4 61.0 54.9 14-Jan-10 12:03:00 58.6 60.8 55.6
13-Jan-10 12:33:00 50.5 52.7 47.3 14-Jan-10 12:33:00 55.9 57.3 53.0
13-Jan-10 13:03:00 51.8 53.8 48.8 14-Jan-10 13:03:00 53.6 55.7 48.6
13-Jan-10 13:33:00 64.0 68.1 48.9 14-Jan-10 13:33:00 55.2 58.0 49.9
13-Jan-10 14:03:00 66.9 70.4 55.7 14-Jan-10 14:03:00 51.6 53.5 48.0
13-Jan-10 14:33:00 55.1 56.6 52.5 14-Jan-10 14:33:00 53.1 55.9 49.5
13-Jan-10 15:03:00 55.1 56.6 53.0 14-Jan-10 15:03:00 57.7 58.7 53.4
13-Jan-10 15:33:00 58.9 60.6 55.6 14-Jan-10 15:33:00 58.9 61.3 55.3
13-Jan-10 16:03:00 55.6 58.1 51.1 14-Jan-10 16:03:00 54.4 57.0 49.0
13-Jan-10 16:33:00 55.0 56.8 50.0 14-Jan-10 16:33:00 54.2 56.7 49.7
13-Jan-10 17:03:00 53.4 55.6 49.3 14-Jan-10 17:03:00 53.6 56.0 50.2
13-Jan-10 17:33:00 56.2 59.2 51.0 14-Jan-10 17:33:00 55.0 57.8 50.1
13-Jan-10 18:03:00 53.9 55.9 49.5 14-Jan-10 18:03:00 54.2 56.3 49.0
13-Jan-10 18:33:00 52.4 54.0 50.1 14-Jan-10 18:33:00 52.9 55.6 48.6
Mean 58.2 61.1 51.7 Mean 55.6 58.0 51.3
Maximum 66.9 70.4 55.7 Maximum 59.7 61.8 55.6
Minimum 50.5 52.7 47.3 Minimum 51.6 53.5 48.0
¡@ Noise Level for 30-min, dB(A) ¡@ Noise Level for 30-min, dB(A)
Date Time Leq L10 L90 Date Time Leq L10 L90
15-Jan-10 07:03:00 52.4 53.4 48.1 16-Jan-10 07:03:00 54.9 56.7 48.3
15-Jan-10 07:33:00 53.6 56.0 49.6 16-Jan-10 07:33:00 52.8 54.8 48.9
15-Jan-10 08:03:00 54.5 57.4 50.1 16-Jan-10 08:03:00 53.8 56.6 49.5
15-Jan-10 08:33:00 58.1 62.0 52.0 16-Jan-10 08:33:00 53.5 55.9 49.6
15-Jan-10 09:03:00 61.8 64.1 58.5 16-Jan-10 09:03:00 59.3 61.8 55.9
15-Jan-10 09:33:00 53.7 56.0 49.8 16-Jan-10 09:33:00 54.3 56.7 50.5
15-Jan-10 10:03:00 55.1 57.4 50.8 16-Jan-10 10:03:00 54.5 56.6 49.9
15-Jan-10 10:33:00 54.9 57.5 50.6 16-Jan-10 10:33:00 55.7 58.2 51.1
15-Jan-10 11:03:00 54.3 57.2 50.3 16-Jan-10 11:03:00 56.1 58.6 52.3
15-Jan-10 11:33:00 53.1 55.2 48.5 16-Jan-10 11:33:00 56.2 58.4 51.6
15-Jan-10 12:03:00 61.1 64.2 56.5 16-Jan-10 12:03:00 59.6 62.1 56.4
15-Jan-10 12:33:00 51.4 53.6 48.5 16-Jan-10 12:33:00 53.1 55.3 49.2
15-Jan-10 13:03:00 50.8 53.0 48.0 16-Jan-10 13:03:00 54.3 56.8 49.7
15-Jan-10 13:33:00 53.3 56.1 49.5 16-Jan-10 13:33:00 54.3 55.8 49.8
15-Jan-10 14:03:00 56.6 60.0 51.6 16-Jan-10 14:03:00 56.5 58.1 53.5
15-Jan-10 14:33:00 59.6 61.0 55.7 16-Jan-10 14:33:00 55.6 57.3 53.1
15-Jan-10 15:03:00 59.7 61.5 56.2 16-Jan-10 15:03:00 56.5 58.5 53.2
15-Jan-10 15:33:00 60.4 63.1 56.3 16-Jan-10 15:33:00 58.9 61.4 55.0
15-Jan-10 16:03:00 56.6 58.9 49.7 16-Jan-10 16:03:00 54.2 57.8 49.3
15-Jan-10 16:33:00 52.5 54.6 49.2 16-Jan-10 16:33:00 55.0 56.4 49.8
15-Jan-10 17:03:00 54.7 57.2 49.9 16-Jan-10 17:03:00 55.5 58.1 49.3
15-Jan-10 17:33:00 54.3 56.8 50.0 16-Jan-10 17:33:00 56.1 58.0 50.3
15-Jan-10 18:03:00 54.5 55.8 49.6 16-Jan-10 18:03:00 53.6 55.5 50.2
15-Jan-10 18:33:00 52.4 54.7 49.1 16-Jan-10 18:33:00 52.7 53.3 48.5
Mean 56.6 59.1 52.4 Mean 55.7 58.0 51.7
Maximum 61.8 64.2 58.5 Maximum 59.6 62.1 56.4
Minimum 50.8 53.0 48.0 Minimum 52.7 53.3 48.3
¡@ Noise Level for 30-min, dB(A) ¡@ Noise Level for 30-min, dB(A)
Date Time Leq L10 L90 Date Time Leq L10 L90
18-Jan-10 07:03:00 53.3 55.6 48.9 19-Jan-10 07:03:00 53.4 56.0 49.0
18-Jan-10 07:33:00 53.3 55.9 49.2 19-Jan-10 07:33:00 54.0 56.4 50.5
18-Jan-10 08:03:00 54.7 57.1 50.8 19-Jan-10 08:03:00 55.0 57.4 51.0
18-Jan-10 08:33:00 56.3 58.2 51.8 19-Jan-10 08:33:00 61.4 63.9 57.8
18-Jan-10 09:03:00 59.0 60.6 55.5 19-Jan-10 09:03:00 58.8 60.3 56.7
18-Jan-10 09:33:00 54.6 56.9 51.0 19-Jan-10 09:33:00 59.7 63.2 55.1
18-Jan-10 10:03:00 56.8 60.8 51.0 19-Jan-10 10:03:00 56.6 59.5 51.4
18-Jan-10 10:33:00 54.5 56.9 51.4 19-Jan-10 10:33:00 56.3 59.2 52.3
18-Jan-10 11:03:00 56.8 58.7 52.2 19-Jan-10 11:03:00 53.4 54.8 51.5
18-Jan-10 11:33:00 54.5 56.6 49.9 19-Jan-10 11:33:00 54.1 56.2 50.8
18-Jan-10 12:03:00 58.1 61.0 53.1 19-Jan-10 12:03:00 52.2 54.2 49.2
18-Jan-10 12:33:00 52.2 54.3 49.3 19-Jan-10 12:33:00 57.6 60.0 52.4
18-Jan-10 13:03:00 54.7 57.7 48.9 19-Jan-10 13:03:00 60.6 63.5 55.9
18-Jan-10 13:33:00 53.3 55.0 48.6 19-Jan-10 13:33:00 52.8 54.8 49.5
18-Jan-10 14:03:00 56.4 58.4 52.4 19-Jan-10 14:03:00 51.1 53.0 48.5
18-Jan-10 14:33:00 57.0 59.5 53.7 19-Jan-10 14:33:00 53.3 55.8 49.6
18-Jan-10 15:03:00 56.7 58.5 54.0 19-Jan-10 15:03:00 60.1 62.6 54.1
18-Jan-10 15:33:00 58.8 61.1 55.0 19-Jan-10 15:33:00 57.2 60.8 50.0
18-Jan-10 16:03:00 57.6 62.1 50.2 19-Jan-10 16:03:00 54.0 56.4 50.2
18-Jan-10 16:33:00 54.5 56.7 50.1 19-Jan-10 16:33:00 52.8 54.7 48.7
18-Jan-10 17:03:00 57.5 58.2 50.5 19-Jan-10 17:03:00 55.3 58.3 50.2
18-Jan-10 17:33:00 55.6 58.0 50.3 19-Jan-10 17:33:00 53.9 55.7 49.2
18-Jan-10 18:03:00 54.2 56.6 50.2 19-Jan-10 18:03:00 52.1 54.4 48.5
18-Jan-10 18:33:00 53.2 55.5 49.5 19-Jan-10 18:33:00 43.7 46.0 40.7
Mean 56.0 58.4 51.6 Mean 56.4 59.0 52.2
Maximum 59.0 62.1 55.5 Maximum 61.4 63.9 57.8
Minimum 52.2 54.3 48.6 Minimum 43.7 46.0 40.7
Summary of Day Time Noise Level at Mei Chun Court, South Horizons (M9)
¡@ Leq L10 L90
Mean 56.5 59.0 52.0
Max 66.9 70.4 62.6
Min 43.7 46.0 40.7