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

AUES

32nd Monthly Environmental Monitoring and Audit (EM&A) Report June 2017

Annotation: During 1 to 30 June 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\June 2017\R0294v2.docx

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

AUES

32nd Monthly Environmental Monitoring and Audit (EM&A) Report June 2017

Annotation: During 1 to 30 June 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\June 2017\R0294v2.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 1/6/2017 8:00 Fine 29 0.1 10 20 21 19 18 0.2 0.5 1.5
1/6/2017 14:00 31 0.1 10 20 21.1 19 18 0.1 0.5 1.5
2/6/2017 8:00 Fine 28 0.1 10 20 21 19 18 0.2 0.5 1.5
2/6/2017 14:00 31 0.1 10 20 21 19 18 0.2 0.5 1.5
3/6/2017 8:00 Sunny 28 0.1 10 20 21 19 18 0.2 0.5 1.5
3/6/2017 14:00 32 0.1 10 20 21 19 18 0.2 0.5 1.5
5/6/2017 8:00 Hazy 29 0.1 10 20 21 19 18 0.1 0.5 1.5
5/6/2017 14:00 34 0.1 10 20 21.1 19 18 0.1 0.5 1.5
6/6/2017 8:00 Cloudy 28 0.1 10 20 21.1 19 18 0.2 0.5 1.5
6/6/2017 14:00 34 0.1 10 20 21.1 19 18 0.1 0.5 1.5
7/6/2017 8:00 Fine 27 0.1 10 20 21.1 19 18 0.2 0.5 1.5
7/6/2017 14:00 34 0.1 10 20 21.1 19 18 0.2 0.5 1.5
8/6/2017 8:00 Fine 28 0.1 10 20 21.1 19 18 0.2 0.5 1.5
8/6/2017 14:00 32 0.1 10 20 21.1 19 18 0.2 0.5 1.5
9/6/2017 8:00 Hazy 28 0.1 10 20 21.1 19 18 0.1 0.5 1.5
9/6/2017 14:00 32 0.1 10 20 21 19 18 0.1 0.5 1.5
10/6/2017 8:00 Sunny 28 0.1 10 20 21.1 19 18 0.2 0.5 1.5
10/6/2017 14:00 34 0.1 10 20 21 19 18 0.1 0.5 1.5
12/6/2017 8:00 Rain 25 0.1 10 20 21 19 18 0.2 0.5 1.5
12/6/2017 14:00 30 0.1 10 20 21.1 19 18 0.2 0.5 1.5
13/6/2017 8:00 Rain 24 0.1 10 20 21.1 19 18 0.1 0.5 1.5
13/6/2017 14:00 29 0.1 10 20 21.1 19 18 0.1 0.5 1.5
14/6/2017 8:00 Hazy 25 0.1 10 20 21.1 19 18 0.2 0.5 1.5
14/6/2017 14:00 29 0.1 10 20 21.1 19 18 0.2 0.5 1.5
15/6/2017 8:00 Hazy 27 0.1 10 20 21 19 18 0.1 0.5 1.5
15/6/2017 14:00 31 0.1 10 20 21 19 18 0.2 0.5 1.5
16/6/2017 8:00 Cloudy 27 0.1 10 20 21.1 19 18 0.1 0.5 1.5
16/6/2017 14:00 30 0.1 10 20 21 19 18 0.1 0.5 1.5
17/6/2017 8:00 Rain 24 0.1 10 20 21 19 18 0.2 0.5 1.5
17/6/2017 14:00 28 0.1 10 20 21 19 18 0.1 0.5 1.5
19/6/2017 8:00 Rain 25 0.1 10 20 21.1 19 18 0.2 0.5 1.5
19/6/2017 14:00 28 0.1 10 20 21 19 18 0.2 0.5 1.5
20/6/2017 8:00 Rain 25 0.1 10 20 21.1 19 18 0.2 0.5 1.5
20/6/2017 14:00 28 0.1 10 20 21.1 19 18 0.2 0.5 1.5
21/6/2017 8:00 Rain 25 0.1 10 20 21 19 18 0.2 0.5 1.5
21/6/2017 14:00 29 0.1 10 20 21 19 18 0.1 0.5 1.5
22/6/2017 8:00 Cloudy 28 0.1 10 20 21.1 19 18 0.2 0.5 1.5
22/6/2017 14:00 33 0.1 10 20 21 19 18 0.2 0.5 1.5
23/6/2017 8:00 Rain 27 0.1 10 20 21.1 19 18 0.2 0.5 1.5
23/6/2017 14:00 31 0.1 10 20 21 19 18 0.1 0.5 1.5
24/6/2017 8:00 Rain 26 0.1 10 20 21.1 19 18 0.2 0.5 1.5
24/6/2017 14:00 31 0.1 10 20 21.1 19 18 0.2 0.5 1.5
26/6/2017 8:00 Cloudy 28 0.1 10 20 21.1 19 18 0.1 0.5 1.5
26/6/2017 14:00 32 0.1 10 20 21 19 18 0.1 0.5 1.5
27/6/2017 8:00 Hazy 28 0.1 10 20 21.1 19 18 0.2 0.5 1.5
27/6/2017 14:00 31 0.1 10 20 21 19 18 0.2 0.5 1.5
28/6/2017 8:00 Sunny 28 0.1 10 20 21 19 18 0.1 0.5 1.5
28/6/2017 14:00 32 0.1 10 20 21.1 19 18 0.1 0.5 1.5
29/6/2017 8:00 Sunny 28 0.1 10 20 21 19 18 0.2 0.5 1.5
29/6/2017 14:00 33 0.1 10 20 21 19 18 0.2 0.5 1.5
30/6/2017 8:00 Sunny 27 0.1 10 20 21.1 19 18 0.1 0.5 1.5
30/6/2017 14:00 33 0.1 10 20 21.1 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 1/6/2017 8:20 Fine 29 0.1 10 20 21 19 18 0.1 0.5 1.5
1/6/2017 14:20 31 0.1 10 20 21 19 18 0.2 0.5 1.5
2/6/2017 8:20 Fine 28 0.1 10 20 21.1 19 18 0.2 0.5 1.5
2/6/2017 14:20 31 0.1 10 20 21.1 19 18 0.2 0.5 1.5
3/6/2017 8:20 Sunny 28 0.1 10 20 21 19 18 0.2 0.5 1.5
3/6/2017 14:20 32 0.1 10 20 21.1 19 18 0.1 0.5 1.5
5/6/2017 8:20 Hazy 29 0.1 10 20 21.1 19 18 0.1 0.5 1.5
5/6/2017 14:20 34 0.1 10 20 21.1 19 18 0.2 0.5 1.5
6/6/2017 8:20 Cloudy 28 0.1 10 20 21.1 19 18 0.2 0.5 1.5
6/6/2017 14:20 34 0.1 10 20 21.1 19 18 0.2 0.5 1.5
7/6/2017 8:20 Fine 27 0.1 10 20 21.1 19 18 0.1 0.5 1.5
7/6/2017 14:20 34 0.1 10 20 21 19 18 0.2 0.5 1.5
8/6/2017 8:20 Fine 28 0.1 10 20 21.1 19 18 0.2 0.5 1.5
8/6/2017 14:20 32 0.1 10 20 21 19 18 0.2 0.5 1.5
9/6/2017 8:20 Hazy 28 0.1 10 20 21.1 19 18 0.1 0.5 1.5
9/6/2017 14:20 32 0.1 10 20 21.1 19 18 0.1 0.5 1.5
10/6/2017 8:20 Sunny 28 0.1 10 20 21.1 19 18 0.1 0.5 1.5
10/6/2017 14:20 34 0.1 10 20 21 19 18 0.2 0.5 1.5
12/6/2017 8:20 Rain 25 0.1 10 20 21.1 19 18 0.1 0.5 1.5
12/6/2017 14:20 30 0.1 10 20 21.1 19 18 0.2 0.5 1.5
13/6/2017 8:20 Rain 24 0.1 10 20 21.1 19 18 0.1 0.5 1.5
13/6/2017 14:20 29 0.1 10 20 21.1 19 18 0.1 0.5 1.5
14/6/2017 8:20 Hazy 25 0.1 10 20 21.1 19 18 0.2 0.5 1.5
14/6/2017 14:20 29 0.1 10 20 21 19 18 0.2 0.5 1.5
15/6/2017 8:20 Hazy 27 0.1 10 20 21.1 19 18 0.2 0.5 1.5
15/6/2017 14:20 31 0.1 10 20 21.1 19 18 0.1 0.5 1.5
16/6/2017 8:20 Cloudy 27 0.1 10 20 21.1 19 18 0.2 0.5 1.5
16/6/2017 14:20 30 0.1 10 20 21.1 19 18 0.1 0.5 1.5
17/6/2017 8:20 Rain 24 0.1 10 20 21.1 19 18 0.2 0.5 1.5
17/6/2017 14:20 28 0.1 10 20 21 19 18 0.2 0.5 1.5
19/6/2017 8:20 Rain 25 0.1 10 20 21.1 19 18 0.1 0.5 1.5
19/6/2017 14:20 28 0.1 10 20 21.1 19 18 0.1 0.5 1.5
20/6/2017 8:20 Rain 25 0.1 10 20 21.1 19 18 0.2 0.5 1.5
20/6/2017 14:20 28 0.1 10 20 21 19 18 0.2 0.5 1.5
21/6/2017 8:20 Rain 25 0.1 10 20 21 19 18 0.1 0.5 1.5
21/6/2017 14:20 29 0.1 10 20 21 19 18 0.2 0.5 1.5
22/6/2017 8:20 Cloudy 28 0.1 10 20 21.1 19 18 0.1 0.5 1.5
22/6/2017 14:20 33 0.1 10 20 21.1 19 18 0.1 0.5 1.5
23/6/2017 8:20 Rain 27 0.1 10 20 21.1 19 18 0.1 0.5 1.5
23/6/2017 14:20 31 0.1 10 20 21.1 19 18 0.2 0.5 1.5
24/6/2017 8:20 Rain 26 0.1 10 20 21.1 19 18 0.1 0.5 1.5
24/6/2017 14:20 31 0.1 10 20 21.1 19 18 0.2 0.5 1.5
26/6/2017 8:20 Cloudy 28 0.1 10 20 21.1 19 18 0.2 0.5 1.5
26/6/2017 14:20 32 0.1 10 20 21.1 19 18 0.2 0.5 1.5
27/6/2017 8:20 Hazy 28 0.1 10 20 21.1 19 18 0.2 0.5 1.5
27/6/2017 14:20 31 0.1 10 20 21.1 19 18 0.2 0.5 1.5
28/6/2017 8:20 Sunny 28 0.1 10 20 21 19 18 0.1 0.5 1.5
28/6/2017 14:20 32 0.1 10 20 21 19 18 0.2 0.5 1.5
29/6/2017 8:20 Sunny 28 0.1 10 20 21.1 19 18 0.2 0.5 1.5
29/6/2017 14:20 33 0.1 10 20 21 19 18 0.1 0.5 1.5
30/6/2017 8:20 Sunny 27 0.1 10 20 21 19 18 0.2 0.5 1.5
30/6/2017 14:20 33 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%