AUES

33^rd Monthly Environmental Monitoring and Audit (EM&A) Report – July 2017

Annotation: During 1 to 31 July 2017, major construction activity at TD1 and the specified works included excavation, stitching, blinding, formworking, steel-fixing and concreting. The weather condition varied from sunny to rainy. The monitoring data was provided by the Contractor followed to their QA/QC control.

Z:\Jobs\2014\TCS00715(HY-2013_12)\600\Monthly EM&A Report\2017\July 2017\R0297v2.docx

Contract No. HY/2013/12 – Tuen Mun -Chek Lap Kok Link -Northern Connection Toll Plaza and Associated Works

AUES

33^rd Monthly Environmental Monitoring and Audit (EM&A) Report – July 2017

Annotation: During 1 to 31 July 2017, major construction activity at Lung Mun Road and the specified works included excavation, blinding, formworking, steel-fixing and concreting. The weather condition varied from sunny to rainy. The monitoring data was provided by the Contractor followed to their QA/QC control.

Z:\Jobs\2014\TCS00715(HY-2013_12)\600\Monthly EM&A Report\2017\July 2017\R0297v2.docx

Landfill Gas Monitoring Results (TD1)

Monitoring Location	Date	Time	Weather	Temperature (°C)	Methane (%)			Oxygen (%)			Carbon Dioxide (%)
					Measurement Result	Action Level	Limit Level	Measurement Result	Action Level	Limit Level	Measurement Result	Action Level		Limit Level
TD1	3/7/2017	8:00	Cloudy	26	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	3/7/2017	14:00		31	0.1	10	20	21	19	18	0.2	0.5		1.5
	4/7/2017	8:00	Rain	25	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	4/7/2017	14:00		28	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	5/7/2017	8:00	Rain	26	0.1	10	20	21	19	18	0.2	0.5		1.5
	5/7/2017	14:00		31	0.1	10	20	21	19	18	0.1	0.5		1.5
	6/7/2017	8:00	Rain	26	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	6/7/2017	14:00		29	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	7/7/2017	8:00	Sunny	26	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	7/7/2017	14:00		30	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	8/7/2017	8:00	Rain	26	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	8/7/2017	14:00		29	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	10/7/2017	8:00	Hazy	27	0.1	10	20	21	19	18	0.1	0.5		1.5
	10/7/2017	14:00		32	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	11/7/2017	8:00	Sunny	28	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	11/7/2017	14:00		33	0.1	10	20	21	19	18	0.2	0.5		1.5
	12/7/2017	8:00	Fine	28	0.1	10	20	21	19	18	0.2	0.5		1.5
	12/7/2017	14:00		33	0.1	10	20	21	19	18	0.1	0.5		1.5
	13/7/2017	8:00	Sunny	28	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	13/7/2017	14:00		34	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	14/7/2017	8:00	Sunny	27	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	14/7/2017	14:00		33	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	15/7/2017	8:00	Fine	27	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	15/7/2017	14:00		32	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	17/7/2017	8:00	Rain	24	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	17/7/2017	14:00		29	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	18/7/2017	8:00	Rain	25	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	18/7/2017	14:00		28	0.1	10	20	21	19	18	0.2	0.5		1.5
	19/7/2017	8:00	Cloudy	25	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	19/7/2017	14:00		30	0.1	10	20	21	19	18	0.2	0.5		1.5
	20/7/2017	8:00	Hazy	27	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	20/7/2017	14:00		31	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	21/7/2017	8:00	Sunny	27	0.1	10	20	21	19	18	0.2	0.5		1.5
	21/7/2017	14:00		33	0.1	10	20	21	19	18	0.1	0.5		1.5
	22/7/2017	8:00	Fine	26	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	22/7/2017	14:00		33	0.1	10	20	21	19	18	0.1	0.5		1.5
	24/7/2017	8:00	Fine	26	0.1	10	20	21	19	18	0.1	0.5		1.5
	24/7/2017	14:00		31	0.1	10	20	21	19	18	0.2	0.5		1.5
	25/7/2017	8:00	Sunny	28	0.1	10	20	21	19	18	0.1	0.5		1.5
	25/7/2017	14:00		33	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	26/7/2017	8:00	Sunny	27	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	26/7/2017	14:00		35	0.1	10	20	21	19	18	0.2	0.5		1.5
	27/7/2017	8:00	Sunny	28	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	27/7/2017	14:00		31	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	28/7/2017	8:00	Sunny	28	0.1	10	20	21	19	18	0.1	0.5		1.5
	28/7/2017	14:00		35	0.1	10	20	21	19	18	0.1	0.5		1.5
	29/7/2017	8:00	Sunny	29	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	29/7/2017	14:00		34	0.1	10	20	21	19	18	0.2	0.5		1.5
	31/7/2017	8:00	Sunny	29	0.1	10	20	21	19	18	0.2	0.5		1.5
	31/7/2017	14:00		35	0.1	10	20	21	19	18	0.2	0.5		1.5

Remark: Landfill Gas Monitoring Results (Lung Mun Road)

Parameter	Criteria	Measurement
Oxygen	Action Level	< 19%
	Limit Level	< 18%
Methane	Action Level	> 10% LEL (> 0.5% v/v)
	Limit Level	> 20% LEL (>1% v/v)
Carbon	Action Level	> 0.5%
Dioxide	Limit Level	> 1.5%

Monitoring Location	Date	Time	Weather	Temperature (°C)	Methane (%)			Oxygen (%)			Carbon Dioxide (%)
					Measurement Result	Action Level	Limit Level	Measurement Result	Action Level	Limit Level	Measurement Result	Action Level		Limit Level
Lung Mun Road	3/7/2017	8:20	Cloudy	26	0.1	10	20	21	19	18	0.1	0.5		1.5
	3/7/2017	14:20		31	0.1	10	20	21	19	18	0.2	0.5		1.5
	4/7/2017	8:20	Rain	25	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	4/7/2017	14:20		28	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	5/7/2017	8:20	Rain	26	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	5/7/2017	14:20		31	0.1	10	20	21	19	18	0.2	0.5		1.5
	6/7/2017	8:20	Rain	26	0.1	10	20	21	19	18	0.1	0.5		1.5
	6/7/2017	14:20		29	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	7/7/2017	8:20	Sunny	26	0.1	10	20	21	19	18	0.1	0.5		1.5
	7/7/2017	14:20		30	0.1	10	20	21	19	18	0.2	0.5		1.5
	8/7/2017	8:20	Rain	26	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	8/7/2017	14:20		29	0.1	10	20	21	19	18	0.1	0.5		1.5
	10/7/2017	8:20	Hazy	27	0.1	10	20	21	19	18	0.1	0.5		1.5
	10/7/2017	14:20		32	0.1	10	20	21	19	18	0.2	0.5		1.5
	11/7/2017	8:20	Sunny	28	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	11/7/2017	14:20		33	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	12/7/2017	8:20	Sunny	27	0.1	10	20	21	19	18	0.1	0.5		1.5
	12/7/2017	14:20		33	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	13/7/2017	8:20	Sunny	27	0.1	10	20	21	19	18	0.1	0.5		1.5
	13/7/2017	14:20		33	0.1	10	20	21	19	18	0.1	0.5		1.5
	14/7/2017	8:20	Sunny	27	0.1	10	20	21	19	18	0.2	0.5		1.5
	14/7/2017	14:20		33	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	15/7/2017	8:20	Fine	27	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	15/7/2017	14:20		32	0.1	10	20	21	19	18	0.1	0.5		1.5
	17/7/2017	8:20	Rain	24	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	17/7/2017	14:20		29	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	18/7/2017	8:20	Rain	25	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	18/7/2017	14:20		28	0.1	10	20	21	19	18	0.1	0.5		1.5
	19/7/2017	8:20	Cloudy	25	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	19/7/2017	14:20		30	0.1	10	20	21	19	18	0.2	0.5		1.5
	20/7/2017	8:20	Hazy	27	0.1	10	20	21	19	18	0.1	0.5		1.5
	20/7/2017	14:20		31	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	21/7/2017	8:20	Sunny	27	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	21/7/2017	14:20		33	0.1	10	20	21	19	18	0.1	0.5		1.5
	22/7/2017	8:20	Fine	26	0.1	10	20	21.1	19	18	0.1	0.5		1.5
	22/7/2017	14:20		33	0.1	10	20	21	19	18	0.1	0.5		1.5
	24/7/2017	8:20	Fine	26	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	24/7/2017	14:20		31	0.1	10	20	21	19	18	0.1	0.5		1.5
	25/7/2017	8:20	Sunny	28	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	25/7/2017	14:20		33	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	26/7/2017	8:20	Sunny	27	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	26/7/2017	14:20		35	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	27/7/2017	8:20	Sunny	28	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	27/7/2017	14:20		31	0.1	10	20	21	19	18	0.2	0.5		1.5
	28/7/2017	8:20	Sunny	28	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	28/7/2017	14:20		35	0.1	10	20	21	19	18	0.1	0.5		1.5
	29/7/2017	8:20	Sunny	29	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	29/7/2017	14:20		34	0.1	10	20	21.1	19	18	0.2	0.5		1.5
	31/7/2017	8:20	Sunny	29	0.1	10	20	21	19	18	0.2	0.5		1.5
	31/7/2017	14:20		35	0.1	10	20	21	19	18	0.1	0.5		1.5

Remark:

Parameter	Criteria	Measurement
Oxygen	Action Level	< 19%
	Limit Level	< 18%
Methane	Action Level	> 10% LEL (> 0.5% v/v)
	Limit Level	> 20% LEL (>1% v/v)
Carbon	Action Level	> 0.5%
Dioxide	Limit Level	> 1.5%