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 landscape work of green roof for Contract No. HY/2013/03 was commenced on 7 November 2017. The landscape work of all areas at ground level for Contract No. HY/2013/03 was commenced at early February 2018. Detail commencement date of each building were shown in Table 7.1. The implementation of mitigation measures for landscape and visual resources recommended in the EIA Report were monitored during the reporting period. Landscape and visual mitigation measures in accordance with the EP, EIA and EM&A Manual were implemented by the Contractor.

Table 7.1 Commencement date of green roof for each building

Building No. of Green Roof

Commencement dates of planting for roof greening

037

7 Nov 2017

043

20 Dec 2017

041

27 Dec 2017

026

22 Jan 2018

039

22 Jan 2018

All areas at ground level

Early Feb 2018

031

8 Mar 2018

046

8 Mar 2018

7.1.3     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 6, 14, 20 and 27 September 2018 by the representatives of Engineer, Contractor, ET and IEC (IEC for 14 September 2018).

7.1.4     Particular observations during the site inspection and corrective actions undertaken by the Contractor are described below:

For Contract No. HY/2013/03

6 September 2018

1.      The Contractor was reminded to remove the stagnant water accumulated in the construction material at Portion G. The observation was closed on 14 September 2018.

14 September  2018

1. The Contractor was reminded to provide drip tray for the chemical at Portion H2. The observation was closed on 20 September  2018.

20 September  2018

1.      The Contractor was reminded to remove the stagnant water accumulated in the construction material outside Building 049. The observation was closed on 27 September  2018.

27 September  2018

1.      The Contractor was reminded to remove the general waste accumulated in their work 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

6 September 2018

1.      Nil findings.

14 September  2018

1.      Nil findings.

20 September  2018

1.      Nil findings.

27 September  2018

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 other projects, including Tuen Mun - Chek Lap Kok Link (TM-CLKL) project of HZMB, the Airport Authority Hong Kong¡¦s Three Runway (3RS) Project, Wan Chai Development Phase II project, Contract No. HY/2013/02 of HKBCF and Hong Kong Link Road (HKLR) project of HZMB. As confirmed by RSS, all surplus filling materials delivery to other projects have been completed with the last batch on 7 May 2018. The total transported quantity up to the last batch is 379.48358 (in¡¥000m3). The summary of surplus filling materials delivered to other projects up to the end of May 2018 is shown in Table 7.2.

Table 7.2 Summary of Surplus Filling Materials Delivered from Contract No. HY/2013/03 to other projects

Month/Year

Density (in tonnes/m3)

Quantity disposed (in ¡¥000m3)

To HY/2013/02

To TM-CLKL Project

To 3RS Project

To WDII Project

To HKLR Project

Total

May 2017

2.3

0

12.637

0

0

0

12.637

June 2017

2.63925

0

14.769

11.238

0

0

26.007

July 2017

1.9

0

4.406

34.875

10.048

0.760

50.089

August 2017

1.9

0.480

0

67.942

2.761

7.455

78.638

September 2017

1.9

5.544

0

62.770

0

4.648

72.962

October 2017

/

3.384

0

45.92809

0

0

49.31209

November 2017

/

5.412

0

5.507

0

0

10.919

December 2017

/

12.57173

0

0

0

0

12.57173

January 2018

/

10.228

0

0

0

0

10.228

February 2018

/

0

0

0

0

0

0

March 2018

/

0.45276

0

0

0

0

0.45276

April 2018

/

0

42.544

0

0

0

42.544

May 2018

/

0

13.123

0

0

0

13.123

Total

/

38.07249

87.479

228.26009

12.809

12.863

379.48358

            Remarks:

ž   The variation in density is due to different compositions of surplus filling materials

ž  There may be discrepancies in the total quantities with the quantities of inert C&D materials stated in Appendix E and section 7.2.4, due to rounding errors

ž  No density was given from October 2017 to May 2018 due to the direct volume figures as provided and confirmed by the RSS

7.2.4     0.000 (in¡¥000m3) of excavated marine sediment (from Contract No. HY/2013/03), 0.213 (in¡¥000m3) of Inert C & D Wastes and 0.444 (in¡¥000m3) of Non-inert C & D Wastes were generated (from Contract No. HY/2013/03) in this reporting period. 0.000 (in¡¥000m3) of Inert C & D Wastes were reused in other projects and 0.213 (in¡¥000m3) of Inert C & D Wastes was disposed as public fill. 0.000 (in tonnes) of 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. 0.000 (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 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.

7.3          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     As confirmed by RSS, all surplus filling materials transported from Contract No. HY/2013/03 to other projects by marine vessels have been completed with the last batch delivered on 24 March 2018.

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 all the works in Box Culvert B had been completed, the silt curtain was uninstalled in July 2018. The Dolphin Watching Plan (DWP) is no longer applicable.

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 AMS2, AMS3C and AMS7B by the Environmental Team of Contract No. HY/2013/01 during the reporting period.

7.5.3      There was no Action and Limit Level exceedance for noise recorded at station NMS2 and station NMS3C by the Environmental Team of Contract No. HY/2013/01 during the reporting period.

7.5.4      Summary of Action and Limit Level exceedance of water quality at the monitoring stations shown as shown at Table 4.1 shall be referred to the monthly EM&A report prepared by Contract No. HY/2013/01.

7.5.5      There were Action Level exceedances recorded on seven days by the Environmental Team of Contract No. HY/2013/01 during reporting period. After investigation, it was concluded that all exceedances were not relevant to Contract No. HY/2013/03. There was no Action and Limit Level exceedance recorded on other monitoring dates at the monitoring stations shown as shown at Table 4.1 by the Environmental Team of Contract No. HY/2013/01 during the reporting period.

7.5.6      Ecological monitoring results at all transects are reported in the EM&A report prepared by Contract No. HY/2013/01.

7.6          Summary of Complaints, Notification of Summons and Successful Prosecution

7.6.1      There was no complaint received in relation to the environmental impact during the reporting period. The details of cumulative statistics of Environmental Complaints are provided in Appendix H.

7.6.2      There was no notification for summons or prosecutions received in relation to the environmental impact during this reporting period.

7.6.3      Statistics on environmental complaints, notifications of summons and successful prosecutions are provided in Appendix H.