Noise Monitoring Results
 (Restricted Hours - 07:00 to 23:00 holidays & 19:00 to 23:00 on all other days )
Location NM7 - Customs' Marine Base (Block H of Government Dockyard) Rooftop
Date Time Weather dB (A) (5-min)
L eq L10 L 90 Average Leq
3-Jun-13 19:00 Fine 62.3 64.9 59.7 63.3
19:05 63.1 65.4 60.3
19:10 64.2 66.8 61.6
13-Jun-13 19:05 Fine 63.6 65.8 60.0 63.6
19:10 64.1 66.4 60.3
19:15 63.2 65.4 59.7
18-Jun-13 19:05 Fine 64.3 66.8 61.2 63.9
19:10 63.8 65.9 60.4
19:15 63.5 65.3 60.1
24-Jun-13 19:00 Fine 62.1 65.4 58.6 63.4
19:05 63.7 66.3 59.6
19:10 64.1 66.7 61.0
 (Restricted Hours -  23:00 to 07:00 on all days )
Location NM7 - Customs' Marine Base (Block H of Government Dockyard) Rooftop
Date Time Weather dB (A) (5-min) Baseline Level Construction Noise Level
L eq L10 L 90 Average Leq L eq L eq
3-Jun-13 23:00 Fine 58.2 60.0 54.2 58.5 59.7 58.5 Measured≦Baseline
23:05 59.4 60.9 56.3
23:10 57.9 59.7 54.9
13-Jun-13 23:00 Fine 54.2 56.8 50.3 55.2 55.2  Measured≦Baseline
23:05 53.7 56.5 50.6
23:10 56.9 58.6 51.9
18-Jun-13 23:00 Fine 56.4 58.9 50.2 54.7 54.7  Measured≦Baseline
23:05 53.4 55.2 49.7
23:10 53.6 55.0 50.3
24-Jun-13 23:00 Fine 56.9 58.2 52.5 57.8 57.8   Measured≦Baseline
23:05 57.2 59.1 52.9
23:10 58.9 60.3 53.4