7. ENVIRONMENTAL SITE INSPECTION AND AUDIT
7.1 Site Inspection
7.1.1 Site audits were carried out by ET on weekly basis to monitor the implementation of proper environmental management practices and mitigation measures in the Project site.
7.1.2 The joint site audits for Contract No. HY/2013/03 (includes Contract No. HY/2013/06 within Contract No. HY/2013/03 works area) were conducted on 1, 8, 15, 22 and 30 June 2017 by the representatives of Engineer, Contractor, ET and IEC (IEC for 30 June 2017).
7.1.3 Particular observations during the site inspection and corrective actions undertaken by the Contractor are described below:
For Contract No. HY/2013/03
26 May 2017
1. The Contractor was reminded to remove general and construction waste accumulated on site. Subsequently, waste was removed. The observation was closed on 1 June 2017.
2. The Contractor was reminded to remove stagnant water accumulated on site. Subsequently, stagnant water was removed. The observation was closed on 1 June 2017.
1 June 2017
1. The Contractor was reminded to increase watering for dust suppression on site. Subsequently, watering was increased. The observation was closed on 8 June 2017.
8 June 2017
1. The Contractor was reminded to remove general waste accumulated at Building 037 and CUE works area. Subsequently, waste was removed. The observation was closed on 15 June 2017.
15 June 2017
The Contractor was reminded to remove general waste accumulated at CUE works area. Subsequently, general waste was removed. The observation was closed on 22 June 2017.
22 June 2017
1. The Contractor was reminded to remove general waste accumulated at CUE works area and Building 037. Subsequently, waste was removed. The observation was closed on 30 June 2017.
30 June 2017
1. The Contractor was reminded to increase watering for dust suppression on site. Follow-up actions for outstanding observation will be checked in the upcoming site inspections and reported in the coming reporting period.
2. The Contractor was reminded to improve housekeeping on site. Follow-up actions for outstanding observation will be checked in the upcoming site inspections and reported in the coming reporting period.
3. The Contractor was reminded to increase watering for dust suppression when drilling at A6 Bridge. Follow-up actions for outstanding observation will be checked in the upcoming site inspections and reported in the coming reporting period.
4. The Contractor was reminded to remove stagnant water accumulated at the drip tray of a generator at CUE works area. Follow-up actions for outstanding observation will be checked in the upcoming site inspections and reported in the coming reporting period.
For Contract No. HY/2013/06 within Contract No. HY/2013/03 works area
1 June 2017
1. Nil findings.
8 June 2017
1. Nil findings.
15 June 2017
1. Nil findings.
22 June 2017
1. Nil findings.
30 June 2017
1. Nil findings.
7.2 Advice on the Solid and Liquid Waste Management Status
7.2.1 The Contractor of Contract No. HY/2013/03 registered as a chemical waste producer for the Contract. Sufficient numbers of receptacles were available for general refuse collection and sorting.
7.2.2 The monthly summary of waste flow table for Contract No. HY/2013/03 (includes Contract No. HY/2013/06 within Contract No. HY/2013/03 works area) are detailed in Appendix E.
7.2.3 Contract No. HY/2013/03 has been assigned to arrange for delivery of surplus filling materials from Contract No. HY/2013/03 to Tuen Mun - Chek Lap Kok Link (TM-CLKL) project of HZMB and the Airport Authority Hong Kong’s Three Runway (3RS) Project by marine access. The estimated quantity of surplus filling materials is confirmed by Resident Site Staff of Contract No. HY/2013/03. The summary of surplus filling materials delivered to TM-CLKL and 3RS project up to the end of June 2017 is shown in Table 7.1.
Table 7.1 Summary of Surplus Filling Materials Delivered from Contract No. HY/2013/03 to TM-CLKL and 3RS Project
|
Month/Year |
Density (in tonnes/m3) |
Quantity disposed (in ‘000m3) |
||
|
To TM-CLKL Project |
To 3RS Project |
Total |
||
|
May 2017 |
2.3 |
12.637 |
0.000 |
12.637 |
|
June 2017 |
2.63925 |
14.769 |
11.238 |
26.007 |
|
Total |
/ |
27.406 |
11.238 |
38.644 |
Remarks: The variation in density is due to different compositions of surplus filling materials
7.2.4 0.000 (in‘000m3) of excavated marine sediment (from Contract No. HY/2013/03), 27.129 (in‘000m3) of Inert C & D Wastes and 2.023 (in‘000m3) of Non-inert C & D Wastes were generated (from Contract No. HY/2013/03) in this reporting period. 26.007(in‘000m3) of Inert C & D Wastes were reused in other projects and 1.122(in‘000m3) of Inert C & D Wastes was disposed as public fill. No Inert C & D Wastes and 0.020 (in tonnes) of Non-inert C & D Wastes were generated (from Contract No. HY/2013/06 within Contract No. HY/2013/03 works area) in this reporting period. 0.020 (in tonnes) metals were generated and recycled (from Contract No. HY/2013/06 within Contract No. HY/2013/03 works area) in this reporting period.
7.2.5 The excavated marine mud from the land-based works was disposed of at the designated disposal sites within Hong Kong as allocated by the Marine Fill Committee. The Contractor of Contract No. HY/2013/03 shall ensure no spilling and overflowing of materials during loading / unloading / transportation is allowed.
7.2.6 The Contractor was reminded that chemical waste containers should be properly treated and stored temporarily in designated chemical waste storage area on site in accordance with the Code of Practice on the Packing, Labelling and Storage of Chemical Waste.
7.2.7 Contractor of Contract No. HY/2013/03’s site arrangement for disposal of bentonite slurry to Tseung Kwan O Area 137 Fill Bank was checked by ET and formal consent has been obtained from Tseung Kwan O Area 137 Fill Bank for receiving used bentonite slurry generated from Contract No. HY/2013/03.
7.3 Environmental Licenses and Permits
7.3.1 The valid environmental licenses and permits for Contract No. HY/2013/03 (includes Contract No. HY/2013/06 within Contract No. HY/2013/03 works area) during the reporting period are summarized in Appendix F. The Contractor of Contract No. HY/2013/06 was advised to register as a chemical waste producer when chemical waste is expected to generate for the foreseeable future from the operations (For Registration as Waste Producer Pursuant to Waste Disposal (Chemical Waste) (General) Regulation).
7.4 Implementation Status of Environmental Mitigation Measures
7.4.1 In response to the site audit findings, the Contractor carried out corrective actions.
7.4.2 A summary of the Implementation Schedule of Environmental Mitigation Measures (EMIS) is presented in Appendix G. All necessary mitigation measures at this stage of works were implemented properly.
7.4.3 Implementation status of Regular Marine Travel Route Plan (RMTRP) was checked by ET. Training of marine travel route for marine vessels operator was given to relevant staff and relevant records were kept properly. The marine traffic records and geographical plots of all the vessels tracks to demonstrate the conformance of the vessel to the proposed route in June 2017 would be provided to ER, ETL, IEC/ENPO for checking within the month of July 2017.
7.4.4 With respect to condition 3.26A of EP-353/2009/K approved by EPD on 11 April 2016, the numbers and operating periods of floating grout production facilities and floating concrete batching plants on-site to review on the compliance to this EP condition were checked. Under Contract No. HY/2013/03, no floating concrete batching plant was operated on-site during the reporting period.
7.4.5 As silt curtain was installed since May 2017, Dolphin Watching Plan (DWP) should be implemented. The status of silt curtain was reviewed by ET and there was no change on the status of silt curtain during the reporting period. Implementation status of DWP was checked by ET. The records of dolphin watching training, regular inspection of the silt curtains and visual inspection of waters surrounded by the silt curtain in June 2017 would be provided to ER, ETL, IEC/ENPO for checking within the month of July 2017.
7.5 Summary of Exceedance of the Environmental Quality Performance Limit
7.5.1 Summary of Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level at AMS6 shall be referred to the monthly EM&A report prepared by Contract No. HY/2011/03.
7.5.2 There was no Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level recorded at station AMS7 by the Environmental Team of Contract No. HY/2010/02 during the reporting period.
7.5.3 There was no Action and Limit Level exceedance for noise recorded at station NMS2 and station NMS3B by the Environmental Team of Contract No. HY/2010/02 during the reporting period.
7.5.4 There was no Action and Limit Level exceedance for water quality recorded at the monitoring stations shown at Table 4.1 by the Environmental Team of Contract No. HY/2010/02 during the reporting period.
7.5.5 Ecological monitoring results at all transects are reported in the EM&A report prepared by Contract No. HY/2010/02.
7.6 Summary of Complaints, Notification of Summons and Successful Prosecution
7.6.1 There was one complaint which was under investigation during the last reporting period is reported in this reporting period. There were two complaints received in relation to the environmental impact during the reporting period. The summary of environmental complaints is presented in Table 7.1. The details of cumulative statistics of Environmental Complaints are provided in Appendix H.
Table 7.1 Summary of Environmental Complaints for the Reporting Month
|
Log No. |
Environmental Complaint Ref. No. |
Date of Complaint Receipt |
Description |
|
008 |
ENPO-C0119 |
31 May 2017 |
Air pollution |
|
009 |
ENPO-C0120 |
2 June 2017 |
Air pollution |
|
010 |
ENPO-C0121 |
6 June 2017 |
Air pollution |
7.6.2 The complaint (ENPO-C0119) was received by EPD from a member of the public on 31 May 2017 and was referred by EPD to the ENPO. Then the ENPO forwarded the complaint by email to the ET (Materialab Consulants Ltd.) of the Contract No. HY/2013/03 on 01 June 2017.
Details of Complaint
The complaint was forwarded from IEC on 01 June 2017, with the following information provided by EPD:
The complainant complained that as there was no watering for dust suppression on the road next to Building 044 and 045 on the artificial island of HZMB, a lot of dust was raised when vehicles passed by causing serious nuisance.
Investigation of Complaint
Date Complaint Investigated by Environmental Team: 1 June 2017
Summary of Investigation
Interview was conducted on 1 June 2017 with Mr. Marko Chan, Environmental Officer of CHEC and site management. The road next to Buildings 044 and 045 was within the site boundary of Contract No. HY/2013/03. As the road was only for accessing to Buildings 044 and 045 which belonged to another contract of HZMB while Contract No. HY/2013/03 did not use it at all, Contract No. HY/2013/03 had a verbal agreement with the Contractor of Buildings 044 and 045 that the Contractor of Buildings 044 and 045 was responsible for maintaining it, including watering for dust suppression.
Investigation Results
The ET of Contract No. HY/2013/03 (including Contract No. HY/2013/06 within Contract No. HY/2013/03) concluded that the captioned complaint is not related to the construction activities of Contract No. HY/2013/03. Nevertheless, the Contractor had been reminded to discuss and reach a written agreement with the Contractor of Buildings 044 and 045 about the responsibility of maintaining the road next to Buildings 044 and 045. The Contractor had also been reminded to fulfil the conditions set out in the EP, in particular:
• Condition 3.23:
The Permit Holder shall undertake watering at least 8 times per day on all exposed soil within the Project site and associated work areas throughout the construction phase.
The Contractor had also been reminded to comply with the requirements stipulated in the Environmental Mitigation Implementation Schedule (EMIS) of the EM&A Manual, in particular:
• Air Quality:
A3: The Contractor should undertake proper watering on all exposed spoil (with at least 8 times per day) throughout the construction phase.
To follow up, the responsibility for the maintenance of area around Buildings 044 and 045 with physical demarcation had been clarified during EPD site visit and meeting on 6 June 2017. The Contractor of Buildings 044 and 045 would be responsible for the maintenance of the area.
Follow up status (complaints)
During weekly site audit on 11, 18 and 26 May 2017, ET confirmed that the Contractor had fulfilled the conditions set out in the EP including Condition 3.23 and provided workable and effective air quality mitigation measures on site including undertaking proper watering on all exposed spoil (with at least 8 times per day) throughout the construction phase.
Recommendations to the Contractor
The Contractor had been reminded to clarify and reach a written agreement with the Contractor of Buildings 044 and 045 about the responsibility of maintaining the road next to Buildings 044 and 045. The Contractor had also been reminded to fully fulfil the conditions set out in the EP and implement all air quality mitigation measures.
Follow up Status (Overall)
The captioned complaint is not valid and therefore, no additional follow up is needed. However, ET has proposed recommendations to the Contractor, and reminded on fulfilling the conditions in the EP and complying with the requirements stipulated in the Environmental Mitigation Implementation Schedule (EMIS) of the EM&A Manual to the Contractor. According to site audit conducted recently, ET confirmed all conditions of the EP had been fulfilled and all mitigation measures stipulated in the EMIS had been implemented during site audit on 11, 18 and 26 May 2017, in particular to the following aspect:
• Air Quality:
A3: The Contractor should undertake proper watering on all exposed spoil (with at least 8 times per day) throughout the construction phase.
To follow up on the complaint, the responsibility for the maintenance of area around Buildings 044 and 045 with physical demarcation had been clarified during EPD site visit and meeting on 6 June 2017. The Contractor of Buildings 044 and 045 would be responsible for the maintenance of the area.
7.6.3 The complaint (ENPO-C0120) was received by EPD from a member of the public on 2 June 2017 and was referred by EPD to the ENPO. Then the ENPO forwarded the complaint by email to the ET (Materialab Consulants Ltd.) of the Contract No. HY/2013/03 on 2 June 2017.
Details of Complaint
One complaint was forwarded from IEC on 2 June 2017, with the following information provided by EPD:
The complainant complained that there was no watering on the construction site of passenger clearance building on the artificial island of HZMB, resulting in a lot of dust spreading around which affected the health of workers. The complainant required EPD to conduct site inspection and reply.
Investigation of Complaint
Date Complaint Investigated by Environmental Team: 5 June 2017
Summary of Investigation
Interview was conducted on 5 June 2017 with Mr. Marko Chan, Environmental Officer of CHEC and site management. It was confirmed that watering was undertaken on all exposed spoil with at least 8 times per day except rainy days.
Investigation Results
The ET of Contract No. HY/2013/03 (including Contract No. HY/2013/06 within Contract No. HY/2013/03) concluded that the captioned complaint is not related to the construction activities of our contract. Nevertheless, ET has recommended the Contractor to remind workers to report dusty spots to contractor to ensure prompt response and necessary follow-up on dust suppression measures through the complaint hotline. The Contractor had also been reminded to fulfil the conditions set out in the EP, in particular:
• Condition 3.23:
The Permit Holder shall undertake watering at least 8 times per day on all exposed soil within the Project site and associated work areas throughout the construction phase.
The Contractor had also been reminded to comply with the requirements stipulated in the Environmental Mitigation Implementation Schedule (EMIS) of the EM&A Manual, in particular:
• Air Quality:
A3: The Contractor should undertake proper watering on all exposed spoil (with at least 8 times per day) throughout the construction phase.
Follow up status (complaints)
During weekly site audit on 11, 18 and 26 May and 1 June 2017, ET confirmed that the Contractor had fulfilled the conditions set out in the EP including Condition 3.23 and provided workable and effective air quality mitigation measures on site including undertaking proper watering on all exposed spoil (with at least 8 times per day) throughout the construction phase.
Recommendations to the Contractor
The Contractor had been reminded to fully fulfil the conditions set out in the EP and implement all air quality mitigation measures. ET has also recommended the Contractor to remind workers to report dusty spots to contractor to ensure prompt response and necessary follow-up on dust suppression measures through the complaint hotline.
Follow up Status (Overall)
The captioned complaint is not valid and therefore, no additional follow up is needed. However, ET has proposed recommendations to the Contractor, including reminding workers to report dusty spots to contractor to ensure prompt response and necessary follow-up on dust suppression measures through the complaint hotline, and reminded the Contractor on fulfilling the conditions in the EP and complying with the requirements stipulated in the Environmental Mitigation Implementation Schedule (EMIS) of the EM&A Manual to the Contractor. According to site audit conducted recently, ET confirmed all conditions of the EP had been fulfilled and all mitigation measures stipulated in the EMIS had been implemented during site audit on 11, 18 and 26 May and 1 June 2017 and will keep checking their implementation status during the future site audit, in particular to the following aspect:
• Air Quality:
A3: The Contractor should undertake proper watering on all exposed spoil (with at least 8 times per day) throughout the construction phase.
7.6.3 The complaint (ENPO-C0121) was received by EPD from a member of the public on 5 June 2017 and was referred by EPD to the ENPO. Then the ENPO forwarded the complaint by email to the ET (Materialab Consulants Ltd.) of the Contract No. HY/2013/03 on 6 June 2017.
Details of Complaint
One complaint was forwarded from IEC on 6 June 2017, with the following information provided by EPD:
The complainant complained that there was no watering on the construction site of passenger clearance building on the artificial island of HZMB, resulting in a lot of dust spreading around which affected the health of workers. The complainant required EPD to follow and reply.
Investigation of Complaint
Date Complaint Investigated by Environmental Team: 7 June 2017
Summary of Investigation
Interview was conducted on 7 June 2017 with Mr. Marko Chan, Environmental Officer of CHEC and site management. It was confirmed that watering was undertaken on all exposed spoil with at least 8 times per day except rainy days.
Investigation Results
The ET of Contract No. HY/2013/03 (including Contract No. HY/2013/06 within Contract No. HY/2013/03) concluded that the captioned complaint is not related to the construction activities of our contract. Nevertheless, ET has recommended the Contractor to remind workers to report dusty spots to contractor to ensure prompt response and necessary follow-up on dust suppression measures through the complaint hotline. The Contractor had been reminded to fulfil the conditions set out in the EP, in particular:
• Condition 3.23:
The Permit Holder shall undertake watering at least 8 times per day on all exposed soil within the Project site and associated work areas throughout the construction phase.
The Contractor had also been reminded to comply with the requirements stipulated in the Environmental Mitigation Implementation Schedule (EMIS) of the EM&A Manual, in particular:
• Air Quality:
A3: The Contractor should undertake proper watering on all exposed spoil (with at least 8 times per day) throughout the construction phase.
Follow up status (complaints)
During weekly site audit on 11, 18 and 26 May and 1 June 2017, ET confirmed that the Contractor had fulfilled the conditions set out in the EP including Condition 3.23 and provided workable and effective air quality mitigation measures on site including undertaking proper watering on all exposed spoil (with at least 8 times per day) throughout the construction phase.
Recommendations to the Contractor
The Contractor had been reminded to fully fulfil the conditions set out in the EP and implement all air quality mitigation measures. ET has also recommended the Contractor to remind workers to report dusty spots to contractor to ensure prompt response and necessary follow-up on dust suppression measures through the complaint hotline.
Follow up Status (Overall)
The captioned complaint is not valid and therefore, no additional follow up is needed. However, ET has proposed recommendations to the Contractor, including reminding workers to report dusty spots to contractor to ensure prompt response and necessary follow-up on dust suppression measures through the complaint hotline, and reminded the Contractor on fulfilling the conditions in the EP and complying with the requirements stipulated in the Environmental Mitigation Implementation Schedule (EMIS) of the EM&A Manual to the Contractor. According to site audit conducted recently, ET confirmed all conditions of the EP had been fulfilled and all mitigation measures stipulated in the EMIS had been implemented during site audit on 11, 18 and 26 May and 1 June 2017, in particular to the following aspect:
• Air Quality:
A3: The Contractor should undertake proper watering on all exposed spoil (with at least 8 times per day) throughout the construction phase.
7.6.4 There was no notification for summons or prosecutions received in relation to the environmental impact during this reporting period.
7.6.5 Statistics on environmental complaints, notifications of summons and successful prosecutions are provided in Appendix H.