Landfill Gas Monitoring Results (Retaining Wall F)
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 | ||||||
Retaining Wall F | 1/6/2015 | 8:00 | Cloudy | 28 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |
1/6/2015 | 14:00 | 31 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | |||
2/6/2015 | 8:00 | Rain | 29 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
2/6/2015 | 14:00 | 32 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
3/6/2015 | 8:00 | Sunny | 29 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
3/6/2015 | 14:00 | 33 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | |||
4/6/2015 | 8:00 | Cloudy | 28 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
4/6/2015 | 14:00 | 32 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
5/6/2015 | 8:00 | Fine | 28 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
5/6/2015 | 14:00 | 31 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
6/6/2015 | 8:00 | Fine | 27 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
6/6/2015 | 14:00 | 32 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
8/6/2015 | 8:00 | Cloudy | 27 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
8/6/2015 | 14:00 | 32 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
9/6/2015 | 8:00 | Cloudy | 26 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | ||
9/6/2015 | 14:00 | 31 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
10/6/2015 | 8:00 | Rain | 27 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
10/6/2015 | 14:00 | 30 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
11/6/2015 | 8:00 | Cloudy | 27 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | ||
11/6/2015 | 14:00 | 32 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
12/6/2015 | 8:00 | Rain | 26 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | ||
12/6/2015 | 14:00 | 30 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
13/6/2015 | 8:00 | Hazy | 29 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
13/6/2015 | 14:00 | 32 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
15/6/2015 | 8:00 | Sunny | 27 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
15/6/2015 | 14:00 | 33 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
16/6/2015 | 8:00 | Sunny | 28 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
16/6/2015 | 14:00 | 32 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
17/6/2015 | 8:00 | Sunny | 28 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
17/6/2015 | 14:00 | 32 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
18/6/2015 | 8:00 | Fine | 27 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
18/6/2015 | 14:00 | 32 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
19/6/2015 | 8:00 | Sunny | 28 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
19/6/2015 | 14:00 | 33 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | |||
22/6/2015 | 8:00 | Rain | 26 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
22/6/2015 | 14:00 | 31 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
23/6/2015 | 8:00 | Rain | 27 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
23/6/2015 | 14:00 | 31 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
24/6/2015 | 8:00 | Rain | 27 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
24/6/2015 | 14:00 | 32 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
25/6/2015 | 8:00 | Rain | 28 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | ||
25/6/2015 | 14:00 | 31 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
26/6/2015 | 8:00 | Rain | 28 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | ||
26/6/2015 | 14:00 | 31 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
27/6/2015 | 8:00 | Sunny | 28 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
27/6/2015 | 14:00 | 32 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
29/6/2015 | 8:00 | Sunny | 28 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
29/6/2015 | 14:00 | 32 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
30/6/2015 | 8:00 | Sunny | 28 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
30/6/2015 | 14:00 | 33 | 0 | 10 | 20 | 21.1 | 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% |
Landfill Gas Monitoring Results (Retaining Wall B)
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 | ||||||
Retaining Wall B | 1/6/2015 | 8:20 | Cloudy | 28 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | |
1/6/2015 | 14:20 | 31 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
2/6/2015 | 8:20 | Rain | 29 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
2/6/2015 | 14:20 | 32 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
3/6/2015 | 8:20 | Sunny | 29 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
3/6/2015 | 14:20 | 33 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | |||
4/6/2015 | 8:20 | Cloudy | 28 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
4/6/2015 | 14:20 | 32 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
5/6/2015 | 8:20 | Fine | 28 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
5/6/2015 | 14:20 | 31 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | |||
6/6/2015 | 8:20 | Fine | 27 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
6/6/2015 | 14:20 | 32 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | |||
8/6/2015 | 8:20 | Cloudy | 27 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
8/6/2015 | 14:20 | 32 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
9/6/2015 | 8:20 | Cloudy | 26 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
9/6/2015 | 14:20 | 31 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
10/6/2015 | 8:20 | Rain | 27 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
10/6/2015 | 14:20 | 30 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
11/6/2015 | 8:20 | Cloudy | 27 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | ||
11/6/2015 | 14:20 | 32 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
12/6/2015 | 8:20 | Rain | 26 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
12/6/2015 | 14:20 | 30 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
13/6/2015 | 8:20 | Hazy | 29 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | ||
13/6/2015 | 14:20 | 32 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
15/6/2015 | 8:20 | Sunny | 27 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
15/6/2015 | 14:20 | 33 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | |||
16/6/2015 | 8:20 | Sunny | 28 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
16/6/2015 | 14:20 | 32 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
17/6/2015 | 8:20 | Sunny | 28 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | ||
17/6/2015 | 14:20 | 32 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
18/6/2015 | 8:20 | Fine | 27 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
18/6/2015 | 14:20 | 32 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
19/6/2015 | 8:20 | Sunny | 28 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
19/6/2015 | 14:20 | 33 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
22/6/2015 | 8:20 | Rain | 26 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
22/6/2015 | 14:20 | 31 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
23/6/2015 | 8:20 | Rain | 27 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
23/6/2015 | 14:20 | 31 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | |||
24/6/2015 | 8:20 | Rain | 27 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
24/6/2015 | 14:20 | 32 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
25/6/2015 | 8:20 | Rain | 28 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | ||
25/6/2015 | 14:20 | 31 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
26/6/2015 | 8:20 | Rain | 28 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
26/6/2015 | 14:20 | 31 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
27/6/2015 | 8:20 | Sunny | 28 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | ||
27/6/2015 | 14:20 | 32 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | |||
29/6/2015 | 8:20 | Sunny | 28 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 0.5 | 1.5 | ||
29/6/2015 | 14:20 | 32 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0 | 0.5 | 1.5 | |||
30/6/2015 | 8:20 | Sunny | 28 | 0 | 10 | 20 | 21.1 | 19 | 18 | 0.1 | 0.5 | 1.5 | ||
30/6/2015 | 14:20 | 33 | 0.1 | 10 | 20 | 21.1 | 19 | 18 | 0.2 | 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% |
Contract No. HY/2013/12 – Tuen Mun - Chek Lap Kok Link - Northern Connection Toll Plaza and Associated Works
Unit Concentrattion (%)
Measurement Result Action Level Limit Level
25 20 15 10 5 0
Unit Concentrattion (%)
Unit Concentrattion (%)
22.0 | Measurement Result | Action Level | Limit Level |
21.0 | |||
20.0 | |||
19.0 | |||
18.0 | |||
17.0 | |||
16.0 | |||
1.6 | Measurement Result | Action Level | Limit Level |
1.4 | |||
1.2 | |||
1.0 | |||
0.8 | |||
0.6 | |||
0.4 | |||
0.2 | |||
0.0 |
Annotation: During 1 March to 30 June 2015, major construction activity was construction of retaining wall F and the specified works included excavation, rock breaking, 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\June 2015\R0104v2.docx
Contract No. HY/2013/12 – Tuen Mun - Chek Lap Kok Link - Northern Connection Toll Plaza and Associated Works
8th Monthly Environmental Monitoring and Audit (EM&A) Report – June 2015
Unit Concentrattion (%)
Unit Concentrattion (%) Unit Concentrattion (%)
1.6
1.4
1.2
0.8
0.6
0.4
Measurement Result Action Level Limit Level
25 20 15 10 5 0
Measurement Result Action Level Limit Level 22 21 20 19 18 17 16
Measurement Result Action Level Limit Level
1
0.2 0
Annotation: During 1 March to 30 June 2015, major construction activity was construction of retaining wall B and the specified works included excavation, rock breaking, 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\June 2015\R0104v2.docx