Contract No. HY/2013/04 HZMB
HKBCF – Infrastructure Works Stage II (Southern Portion) |
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Mott MacDonald, 20/F
AIA Kowloon Tower, Landmark East, 100 How Ming Street, Kwun
Tong, Kowloon, Hong Kong
t +852 2828 5757 f
+852 2827 1823 w w www.mottmac.com
Certification by Environmental Team Leader
Verification by Independent Environmental Checker
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Contents |
Chapter Title Page
Tables
Figure 1 Location of Air Quality
Monitoring Stations
Figure 2 Location of Noise Monitoring
Stations
Appendices
Appendix A. Location of Works Areas
Appendix B. Project Organization for Environmental
Works
Appendix C. Construction Programme
Appendix D. Event and Action Plan
Appendix F. Environmental Licenses and Permits
Appendix G. Implementation Schedule for
Environmental Mitigation Measures (EMIS)
Appendix I. Environmental Site Inspection Schedule
This Monthly Environmental Monitoring
and Audit (EM&A) Report is prepared for Contract No. HY/2013/04
“Hong Kong-Zhuhai-Macao Bridge Hong Kong Boundary Crossing Facilities –
Infrastructure Works Stage II (Southern Portion)” (hereafter referred to as
“the Contract”) for the Highways Department of Hong Kong Special Administrative
Region (HKSAR). The Contract was awarded to China State Construction
Engineering (Hong Kong) Limited (hereafter referred to as “the Contractor”) and
Mott MacDonald Hong Kong Limited (MMHK) was appointed as the Environmental Team
(ET) by the Contractor.
The Contract is part of the “Hong
Kong-Zhuhai-Macao Bridge Hong Kong Boundary Crossing Facilities” (HZMB HKBCF)
Project which is a “Designated Project” under Schedule 2 of the Environmental
Impact Assessment (EIA) Ordinance (Cap. 499) and for which an EIA Report
(Register No. AEIAR-145/2009) was prepared and approved. The current
Environmental Permit (EP) for HKBCF, namely No. EP-353/2009/I, was issued on 17
July 2015. These documents are available through the EIA Ordinance Register. Commencement
of the Contract took place on 13 March 2015 and the construction works
commenced on 13 July 2015.
Mott MacDonald Hong Kong Limited has
been appointed by the Contractor to implement the Environmental Monitoring
& Audit (EM&A) programme for the Contract in accordance with the
Updated EM&A Manual for HKBCF (Version 1.0) and will be providing
environmental team services for the Contract.
This is the 3rd Monthly
EM&A Report for the Contract which summaries findings of the EM&A works
during the reporting period from 1 to 30 September 2015 (the “reporting
period”).
Environmental Monitoring and Audit Progress
The monthly EM&A programme was undertaken in accordance with the Updated EM&A Manual for HKBCF (Version 1.0). It should be noted that the air quality and noise monitoring works for the Contract are covered by Contract No. HY/2010/02 “Hong Kong-Zhuhai-Macao Bridge HKBCF – Reclamation Works” and Contract No. HY/2011/03 “Hong Kong-Zhuhai-Macao Bridge Hong Kong Link Road – Section between Scenic Hill and HKBCF”. The ET of the Contract or another ET of the HZMB project is required to conduct impact air quality monitoring at AMS6 and AMS7A and noise monitoring at NMS2 and NMS3B as part of EM&A programme if these monitoring stations are no longer covered under Contract Nos. HY/2010/02 and HY/2011/03. However, this is subject to ENPO’s final decision on which ET should carry out the monitoring work at these stations.
The dates of site inspection during the reporting period are listed below:
¡ Environmental Site Inspection: 2, 11, 17, 24 and 29 September 2015
Breaches of Action and Limit Levels
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.
There was no Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level recorded at station AMS7A by the Environmental Team of Contract No. HY/2010/02 during the reporting period.
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.
Complaint Log
There were no complaints received in relation to the environmental impact during the reporting period.
Notifications of Summons and Successful Prosecutions
There were no notifications of
summons or prosecutions received during this reporting period.
Reporting Changes
There was no reporting change during the reporting period.
Future Key Issues
The future key issues to be undertaken in the upcoming month are:
¡ Preliminary Bored Piling at Abutment A1004; and
¡ Predrilling works.
On 13 March
2015, Mott MacDonald Hong Kong Limited (MMHK) was commissioned by China State
Construction Engineering (Hong Kong) Limited (also referred to as “the
Contractor”) to undertake the Environmental Team (ET) services (including
environmental monitoring and audit (EM&A)) for Contract No. HY/2013/04 “Hong
Kong-Zhuhai-Macao Bridge Hong Kong Boundary Crossing Facilities – Infrastructure
Works Stage II (Southern Portion)” (“the Contract”) for the Highways Department
of Hong Kong Special Administrative Region (HKSAR).
The Contract is part of the “Hong Kong-Zhuhai-Macao Bridge Hong Kong Boundary Crossing Facilities” (HZMB HKBCF) Project which is a “Designated Project” under Schedule 2 of the Environmental Impact Assessment (EIA) Ordinance (Cap. 499) and for which an EIA Report (Register No. AEIAR-145/2009) was prepared and approved. The current Environmental Permit (EP) for HKBCF, namely No. EP-353/2009/I, was issued on 17 July 2015. These documents are available through the EIA Ordinance Register. Commencement of the Contract took place on 13 March 2015 and the construction works commenced on 13 July 2015. The works areas of the contract are shown in Appendix A.
This is the 3rd Monthly EM&A Report summarising
the findings of EM&A activities
conducted under the Contract from 1 to 30 September 2015 (the “reporting period”) and is submitted to fulfil Condition 5.4 of the
EP.
The Proposed works
under this Contract comprise the following:
¡ Construction of vehicular bridge and
at-grade roads at the southern portion of Hong Kong Boundary Crossing
Facilities;
¡ Construction of associated street lighting,
street furniture, road marking, road signage, box culverts and outfalls,
drainage, sewerage, fresh water and flushing water supply, irrigation,
landscape, electrical and mechanical (E&M), utilities and services works;
¡ Provisioning of civil engineering works and
power supply for Traffic Control and Surveillance System (TCSS); and
¡ Other works in accordance with the Contract.
The organisation chart and lines of communication with respect to the on-site environmental management structure together with the contact information of the key personnel are shown in Appendix B. The key personnel contact names and numbers are summarized in Table 1.1.
Table 1.1: Contact Information of Key Personnel
Party |
Position |
Name |
Telephone |
Fax |
Engineer or Engineer’s Representative (AECOM Asia Co. Ltd.) |
Chief Resident Engineer |
Alfred Cheng |
3958 7471 |
3468 2076 |
Environmental Project Office / Independent Environmental Checker (Ramboll Environ Hong Kong Limited) |
Environmental Project Office Leader |
Y H Hui |
3465 2888 |
3465 2899 |
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Independent Environmental Checker |
Raymond Dai |
3465 2888 |
3465 2899 |
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Environmental Site Supervisor |
Ray Yan |
5181 8165 |
3465 2899 |
Contractor (China State Construction Engineering (Hong Kong) Limited) |
Site Agent |
Eddie Tang |
9863 7686 |
2459 4336 |
Environmental Officer |
Gary Ng |
9475 6832 |
2459 4336 |
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Environmental Team (Mott MacDonald Hong Kong Limited) |
Environmental Team Leader |
Terence Kong |
2828 5919 |
2827 1823 |
24-hour Complaint Hotline |
- |
- |
5236 7111 |
- |
The Construction Works Programme of the Project is provided in Appendix C.
A summary of the construction activities undertaken during this reporting period is shown below:
¡ 19 nos. predrilling holes completed on BCF Island;
¡ Preliminary bored pile for Pile No. P2 was completed on 21 September 2015; and
¡ Setting up Contractor’s accommodation, material storage area and stockpile area.
The air quality monitoring works for the Contract are covered by Contract No. HY/2010/02 “Hong Kong-Zhuhai-Macao Bridge HKBCF – Reclamation Works” and Contract No. HY/2011/03 “Hong Kong-Zhuhai-Macao Bridge Hong Kong Link Road – Section between Scenic Hill and HKBCF”. The ET of the Contract or another ET of the HZMB project is required to conduct impact air quality monitoring at AMS6 and AMS7A as part of EM&A programme if these air quality monitoring stations are no longer covered under Contract No. HY/2010/02 and HY/2011/03. Figure 1 shows the locations of air monitoring stations.
Table 2.1: Construction Dust Monitoring Locations
Identification No. |
Location Description |
AMS6(1) |
Dragonair/CNAC (Group) Building |
AMS7A(1) |
Chu Kong Air-Sea Union Transportation Co. Ltd |
Remarks:
(1) The ET of this Contract should conduct impact air quality monitoring at the AMS listed in the table as part of EM&A programme according to latest notification from ENPO when the monitoring station(s) is/are no longer covered by another ET of the HZMB project.
The air quality monitoring works for the Contract are covered by Contract No. HY/2010/02 “Hong Kong-Zhuhai-Macao Bridge HKBCF – Reclamation Works” and Contract No. HY/2011/03 “Hong Kong-Zhuhai-Macao Bridge Hong Kong Link Road – Section between Scenic Hill and HKBCF”.
The Action and Limit Levels for 1-hr TSP and 24-hr TSP are provided in Table 2.2 and Table 2.3 respectively.
Table 2.2: Action and Limit Levels for 1-hour TSP
Monitoring Station |
Action Level, mg/m3 |
Limit Level, mg/m3 |
AMS6 – Dragonair / SNAC (Group) Building (HKIA) |
360 |
500 |
AMS7A –Chu Kong Air-Sea Union Transportation Co. Ltd. |
370 |
500 |
Table 2.3: Action and Limit Levels for 24-hour TSP
Monitoring Station |
Action Level, mg/m3 |
Limit Level, mg/m3 |
AMS6 – Dragonair / SNAC (Group) Building (HKIA) |
173 |
260 |
AMS7A –Chu Kong Air-Sea Union Transportation Co. Ltd. |
183 |
260 |
The event and action plan is provided in Appendix D.
If exceedance(s) at these stations is/are recorded by the ET of the Contract or referred by the other ET under the HZMB project to the Contract, the ET of the Contract will carry out an investigation and findings will be reported in the monthly EM&A Report.
The monitoring results for AMS6 and AMS7A are reported in the monthly EM&A Reports prepared for Contract Nos. HY/2011/03 and HY/2010/02 respectively.
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.
There was no Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level recorded at station AMS7A by the Environmental Team of Contract No. HY/2010/02 during the reporting period.
The noise monitoring works for the Contract are covered by Contract No. HY/2010/02 “Hong Kong-Zhuhai-Macao Bridge HKBCF – Reclamation Works”. The ET of the Contract or another ET of the HZMB project is required to conduct noise monitoring at NMS2 and NMS3B as part of EM&A programme if these monitoring stations are no longer covered under Contract No. HY/2010/02. Figure 2 shows the locations of noise monitoring stations.
Table 3.1: Construction Noise Monitoring Locations
Identification No. |
Location Description |
NMS2(1) |
Seaview Crescent |
NMS3B(1) (2) |
Site Boundary of Site Office Area at Works Area WA2 |
Remarks:
(1) The ET of this Contract should conduct impact noise monitoring at the NMS listed in the table as part of EM&A programme according to the latest notification from ENPO when the monitoring station(s) is/are no longer covered by another ET of the HZMB project.
(2) The Action and Limit Levels for schools will be applied for this alternative monitoring location.
The monitoring requirements, monitoring equipment, monitoring parameters, frequency and duration, monitoring methodology and monitoring schedule are detailed in the monthly EM&A Reports prepared for Contract No. HY/2010/02.
The Action and Limit Levels for construction noise are defined in Table 3.2.
Table 3.2: Action and Limit Level for Construction Noise
Parameter |
Action Level |
Limit Level |
07:00 – 19:00 hours on normal weekdays |
When one documented complaint is received |
75 dB(A)* |
Notes: If works are to
be carried out during restricted hours, the conditions stipulated in the
construction noise permit issued by the Noise Control Authority have to be
followed.
* Reduce to 70 dB(A) for schools and 65 dB(A) during
school examination period.
The monitoring results for NMS2 and NMS3B are reported in the monthly EM&A Reports prepared for Contract No. HY/2010/02. No noise exceedances were recorded at stations NMS2 and NMS3B by the ET of Contract No. HY/2010/02 during the reporting period.
Site Inspections were carried out on a weekly basis to monitor the implementation of proper environmental pollution control mitigation measures for the project. During the reporting period, site inspections were carried out on 2, 11, 17, 24 and 29 September 2015.
Particular observations during the site inspections and corrective actions undertaken by the Contractor are described below.
20 August 2015
a. Part of a haul road was observed to be dry. Subsequently, the Contractor provided recorded records of water spraying for haul road and exposed areas 8 times per day for inspection. Haul road was observed to be wet during follow-up site inspection, and no dusty site activities were observed. The observation was closed on 2 September 2015.
2 September 2015
a. Stagnant water was observed in some stored construction materials after earlier heavy rain. Subsequently, the stagnant water was cleared. The observation was closed on 11 September 2015.
11 September 2015
a. No new observations were made.
17 September 2015
a. Some chemical containers were not stored in drip tray. Subsequently, chemical containers were removed from the observed works area. Also, affected soil was removed and was placed in the chemical waste storage area in Works Area WA3. The observation was closed on 24 September 2015.
24 September 2015
a. The surface of a newly-acquired portion of the works area was dry. The Contractor was reminded to provide water spray for this portion in addition to the existing works area. Follow-up actions for the outstanding observation will be inspected during the upcoming site inspections and reported in the coming reporting period.
b. Oil stain on bare ground was observed. Subsequently, the oil stain was cleared and affected soil was placed in the chemical waste storage area. The observation was closed on 29 September 2015.
29 September 2015
a. No new observations were made.
The Contractor registered as a chemical waste producer for the Contract. Sufficient numbers of receptacles were available for general refuse collection and sorting.
There was no generation of C&D material during this reporting period. Also, there was no generation of excavated sediment for treatment during this reporting period. Excavated marine sediment will be treated using cement solidification/stabilization (Cement S/S) techniques and will be reused onsite for either backfilling or landscaping (e.g. berm material).
The monthly summary of waste flow table is detailed in Appendix E.
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.
The valid environmental licenses and permits during the reporting period are summarized in Appendix F.
In response to the site audit findings, the Contractor carried out corrective actions.
A summary of the Implementation Schedule of Environmental Mitigation Measures (EMIS) is presented in Appendix G. Most of the necessary mitigation measures were implemented properly.
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.
There was no Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level recorded at station AMS7A by the Environmental Team of Contract No. HY/2010/02 during the reporting period.
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.
There were no complaints received in relation to the environmental impact during the reporting period. The details of cumulative statistics of Environmental Complaints are provided in Appendix H.
No notification of summons or prosecutions was received during the reporting period.
Statistics on notifications of summons and successful prosecutions are summarized in Appendix H.
As informed by the Contractor, the major construction activities for October 2015 are summarized in Table 5.1.
Table 5.1: Construction Activities for October 2015
Site Area |
Description of Activities |
HKBCF |
· Preliminary Bored Piling at Abutment A1004; and · Predrilling works. |
The tentative schedule for weekly site inspections for October 2015 is provided in Appendix I.
Commencement of the Contract took place on 13 March 2015 and the construction works of the Contract commenced on 13 July 2015.
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.
There was no Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level recorded at station AMS7A by the Environmental Team of Contract No. HY/2010/02 during the reporting period.
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.
Environmental site inspections were carried out on 2, 11, 17, 24 and 29 September 2015. Recommendations on remedial actions were given to the Contractor for the deficiencies identified during the site inspections.
There were no complaints received in relation to the environmental impact during the reporting period.
There were no notifications of summons or prosecutions received during the reporting period.
Appendix A. Location of Works Areas |
Appendix B. Project Organization for Environmental Works |
Appendix C. Construction Programme |
Appendix D. Event and Action Plan |
Appendix E. Waste Flow Table |
Appendix F. Environmental Licenses and Permits |
Appendix G. Implementation Schedule for Environmental Mitigation Measures (EMIS) |
Appendix H. Statistics on Environmental Complaints, Notification of Summons and Successful Prosecutions |
Appendix I. Environmental Site Inspection Schedule |