Appendix I   Noise Monitoring Results
Daytime Noise Monitoring Results at Station CN1
Date	Weather Condition	Noise Level for 30-min, dB(A)+				Baseline Noise Level, dB(A)	Calculated Construction Noise Level, dB(A)	Limit Level, dB(A)	Exceedance (Y/N)
		Time	L90	L10	Leq
2-Apr-09	Sunny	9:57	53.9	61.7	60.6	72.9	*Note	75	N		245470.9	1479108	1148154
8-Apr-09	Sunny	10:28	58.1	63.0	61.1	72.9	*Note	75	N		645654.2	1995262	1288250
14-Apr-09	Sunny	14:45	57.7	62.7	60.9	72.9	*Note	75	N		588843.7	1862087	1230269
20-Apr-09	Sunny	13:51	58.0	62.8	61.4	72.9	*Note	75	N		630957.3	1905461	1380384
30-Apr-09	Sunny	13:58	57.1	62.9	60.6	72.9	*Note	75	N		512861.4	1949845	1148154
		Min	53.9	61.7	60.6						57.2	62.6	60.9
		Max	58.1	63.0	61.4
		Average	57.2	62.6	60.9
Daytime Noise Monitoring Results at Station CN2
Date	Weather Condition	Noise Level for 30-min, dB(A)+				Baseline Noise Level, dB(A)	Calculated Construction Noise Level, dB(A)	Limit Level, dB(A)	Exceedance (Y/N)
		Time	L90	L10	Leq
2-Apr-09	Sunny	10:31	53.4	61.5	59.9	67.6	*Note	75	N		218776.2	1412538	977237.2
8-Apr-09	Sunny	11:02	57.7	62.5	60.3	67.6	*Note	75	N		588843.7	1778279	1071519
14-Apr-09	Sunny	15:03	57.4	62.3	60.0	67.6	*Note	75	N		549540.9	1698244	1000000
20-Apr-09	Sunny	14:25	57.5	61.9	60.0	67.6	*Note	75	N		562341.3	1548817	1000000
30-Apr-09	Sunny	14:32	57.0	61.8	60.2	67.6	*Note	75	N		501187.2	1513561	1047129
		Min	53.4	61.5	59.9						56.8	62.0	60.1
		Max	57.7	62.5	60.3
		Average	56.8	62.0	60.1
+ - Façade measurement
Bold & Italic value indicated an Limit level exceedance
Note: Measured noise level is less than the baseline noise level.