7                    AUDIT RESULTS

7.1              Air Quality

7.1.1        For 1-hour TSP monitoring, a total of 36 sets of measurement were carried out at ASR1, ASR2 and ASR3 during the reporting period and the results of all measurements taken were below the A/L Levels. 

7.1.2        For 24-hour TSP monitoring, a total of 15 sets of measurement were carried out at ASR1, ASR2 and ASR3 during the reporting period and the results of all measurements taken were below the A/L Levels. 

7.2              Noise

7.2.1        A total of 9 sets of Leq(30min) measurement were taken in the daytime (i.e. 0700 to 1900 hours on normal weekdays) at three monitoring stations (NSR1, NSR2 and NSR3) during the reporting period and no exceedances were recorded.

7.2.2        Since no construction works were undertaken during evening and night-time, therefore no noise monitoring was carried out for these periods during the reporting month.

7.2.3        A total of 5 set of 6 x Leq(5min) measurements were taken in public holidays (i.e. 0700 to 1900 hours during holidays) at the closest monitoring stations (NSR1, NSR2 and NSR3) and no exceedances were recorded.

7.3              Water Quality

7.3.1        A total of 3 Effluent Discharge Licenses were granted by EPD.  In accordance with the conditions of the licenses, water sampling at designated discharge points shall be carried out on a monthly basis for area P1-SA1 (Part 1) (Grid 1 to 9) and on a quarterly basis for areas P1-SA1 (Part 2) (Grid 10 to 27, Container Port Road E/B), P1-SA6, P1-SA8 and P1-SA11.

7.3.2        A renewal application for the Discharge License (No: EP482/269/0038/I) was submitted to EPD for approval on 22nd March 2007.

7.3.3        Five water samples were taken for the whole site by CHEC on 21st February 2007.  The water samples were subsequently tested by a HOKLAS accredited laboratory and the results indicated that they have fully complied with the Specific Condition as stipulated in the approved license. In addition, pH and COD were also analyzed and the results also complied with the limits stipulated in the approved licenses.

7.3.4        Two water samples were taken for P1-SA1 (Part 1, Grid 1 to 9) by CHEC on 26th March 2007. The results of the water samples will be reported in the next EM&A monthly report.  The next sampling is scheduled for April 2007 for P1-SA1 (Part 1, Grid 1 to 9).

7.4              Waste Management

7.4.1        The Waste Management Plan (WMP) was approved by EPD on 10th September 2002. (EPD ref. (45) in EP2/N3/A/28 VII).

7.4.2        A revised WMP (Rev. 17) was submitted to EPD for information on 11th May 2006 with the latest information including the most up to date estimation of inert C&D materials and non-inert C&D materials.

7.4.3        With effect from 6th February 2005, all inert C&D material had been disposed of at Tuen Mun Fill Bank. The trip ticket system has been implemented effectively during the reporting period.

7.4.4        On 7th December 2005, approval was granted by PFC, CEDD to import a maximum of 3,000m3 of soft material from “HY2002/26 – Stonecutters Bridge” for re-usage purposes.  A total of 2,004 m3 of soft material were delivered from HY2002/26 to Phase 1 Contract since December 2005.

7.4.5        Based on the information provided by CHEC with respect to relevant handling records and trip tickets of the Phase 1 Contract, the quantities of materials reused, recycled and disposed of are summarized in Table 7.1.

Table 7.1 Summary of Waste Disposal during the Reporting Period

Material Type

Quantity Produced in the reporting period

Handling Method

 

Handling Quantities in the reporting month

Temporary Storage Locations On-site

(if applicable)

C&D materials

 

 

 

 

 

(Public Fill)

447 no. of Trucks

 

Tuen Mun Fill Bank

(Tuen Mun Area 38)

Approx. 2,012m3

N/A

(C&D

Waste)

N/A

To be recycled (paper)

N/A

P1-SA9

N/A

To be recycled (aluminum can)

N/A

P1-SA9

N/A

To be recycled (plastic bottle)

N/A

P1-SA9

N/A

To be reused

N/A

P1-SA6

N/A

To be returned to supplier

N/A

P1-SA6

C&D materials

 

(C&D

Waste)

63.5 tones (SENT)

Collected by licensed collector for disposal to SENT and WENT landfills

63.5 tones

N/A

Chemical waste

N/A

Collected by licensed chemical waste collector

N/A

P1-SA6

 

 

7.5              Site Audits / Inspections

7.5.1        Scheduled site audits were carried out by the ET and IEC on a regular basis in accordance with the EM&A Manual.  Sections below provide a detailed summary of the findings identified during these audits and their corresponding implemented corrective and preventive measures.  Photographs of implemented measures are presented in Appendix Q.

Environmental Team Site Inspections

7.5.2        Weekly site inspections were conducted by the ET during the reporting period and the major findings are summarized as follows:

i.           No drip trays were provided for larvicidal oil at area P1-SA1 (Part 1, next to vehicular entrance).

Corrective and Preventive Actions – The larvicidal oil has been removed.  Completed and closed.  (Please refer Appendix Q, Photo 01).

ii.          Stagnant water was accumulated at the segment storage yard in area P1-SA1 (Part 1).

Corrective and Preventive Actions – Stagnant water together with deposited silt had been cleared to minimize the risk of mosquito breeding.  Completed and closed.  (Please refer Appendix Q, Photo 02).

iii.        Oil stain on the ground was found behind the Kinko’s site office at area P1-SA1 (Part 2).

Corrective and Preventive Actions – All contaminated materials had been cleared as chemical waste and temporarily stored at the chemical waste storage area.  Completed and closed.  (Please refer Appendix Q, Photo 03).

iv.        Debris was scattered around the Kinko site office at area P1-SA1.

Corrective and Preventive Actions – All debris and rubbish have been removed.  Completed and closed.  (Please refer Appendix Q, Photo 04).

v.         Open stockpiles of dusty materials were observed at area P1-SA1 (Part 2, near Pier F12).

Corrective and Preventive Actions – All open stockpiles have been removed.  Completed and closed.  (Please refer Appendix Q, Photo 05).

Independent Environmental Checker (IEC) Site Audit

7.5.3        The monthly IEC audit was carried out on 16th March 2007, three observations were recorded and they are presented below. 

Observation(s)

i.           Stagnant water was accumulated at the segment storage yard in area P1-SA1 (Part 1).

Corrective and Preventive Actions - Stagnant water together with deposited silt had been cleared to minimize the risk of mosquito breeding.  Completed and closed.  (Please refer Appendix Q, Photo 02).

ii.          Oil stain on the ground was found behind the Kinko’s site office at area P1-SA1 (Part 2).

Corrective and Preventive Actions - All contaminated materials had been cleared as chemical waste and temporarily stored at the chemical waste storage area.  Completed and closed.  (Please refer Appendix Q, Photo 03).

iii.         Debris was scattered around the Kinko site office at area P1-SA1.

Corrective and Preventive Actions - All debris and rubbish have been removed.  Completed and closed.  (Please refer Appendix Q, Photo 04).

Environmental Protection Department (EPD) Site Inspections

7.5.1        No joint site inspections were carried out with EPD during the reporting period.