1 Environmental Status................................................................................................ 1

1.1 Works undertaken during the Reporting Period........................................................... 1

1.2 Environmental Permit and Licences............................................................................ 1

1.3 Environmental Document Submissions to EPD.......................................................... 1

1.4 Environmental Monitoring Locations............................................................................. 1

2 Environmental Measures and Implementation Status.......................................... 2

3 Monitoring Results.................................................................................................... 2

3.1 Noise Monitoring........................................................................................................... 2

3.2 Water Quality Monitoring............................................................................................... 3

3.3 Landscape and Visual Resources............................................................................... 4

3.4 Ad-hoc Air Quality Monitoring........................................................................................ 4

3.5 Waste Management...................................................................................................... 4

4 Environmental Audits................................................................................................ 4

4.1 Site Inspection and Audit............................................................................................... 4

4.2 Environmental Exceedances........................................................................................ 5

4.3 Environmental Complaint and Prosecution.................................................................. 5

5 Forecast and Schedule............................................................................................. 5

5.1 Key Issues for the Coming Months.............................................................................. 5

5.2 Monitoring Schedules for the Next Month..................................................................... 5

6 Conclusion.................................................................................................................. 6

List of Annexes

Annex A Contractor’s Works Programme

Annex B Mitigation Measures Checklist

Annex C Calibration Certificates

Annex D Noise Monitoring Results

Annex E Water Quality Visual Inspection Reports

Annex F Landscape & Visual Resources Inspection Reports

Annex G Weekly Site Inspection Reports

Annex H Notification of Environmental Exceedances

Annex I Action and Limit Levels

Annex J Cumulative Statistics on Complaints, Notifications of Summons and Successful Prosecutions

List of Tables

Table 1.1 Details of Permits and Licenses issued in September 2006

Table 1.2 Summary of Environmental Submissions to EPD in September 2006

Table 1.3 Noise Monitoring Stations

Table 3.1 Summary of Noise Monitoring Results during Normal Working Hours

Table 3.2 Summary of Noise Monitoring Results during Restricted Hours – All days during the evening (1900 to 2300 hours), and general holidays (including Sundays) during the day-time and evening (0700-2300 hours)

Table 3.3 Summary of Waste Disposal for September 2006

Table 5.1 Proposed Noise Monitoring Schedule for October 2006

List of Figures

Figure 1 Site Plan & Locations of Noise and Air Quality Monitoring Stations

Executive Summary

Atkins China Limited (ACL) has been appointed by Chun Wo Construction & Engineering Co., Ltd. to implement the Environmental Monitoring and Audit (EM&A) programme for the construction works under Contract No. HY/2004/09 Improvements to San Tin Interchange (hereinafter, the Project).

The construction of the Project commenced since 21^st June 2005. This report is the sixteenth monthly EM&A report for the Project which summarises the monitoring results and audit findings during the reporting period from 1^st to 30^th September 2006.

Environmental Monitoring and Audit Progress

The monthly EM&A programme was undertaken in accordance with the EM&A Manual. A summary of the monitoring activities in this reporting period is listed below:

· Weekly site inspections were undertaken jointly with the Contractor and Engineer’s Representative (ER) on 7^th, 14^th, 21^st and 28^th September 2006. The Independent Environmental Checker (IEC) joined the site inspection on 28^th September 2006.

· Noise monitoring at three designated monitoring stations was undertaken on 5^th, 14^th, 21^st and 29^th September 2006 during normal working hours; and on 3^rd, 10^th 17^th and 24^th September 2006 during the restricted hour periods on a weekly basis when there were construction activities scheduled during those periods.

· Visual site surveillance for water quality was undertaken three times a week.

· Site inspections for landscape and visual resources were undertaken on 15^th and 27^th September 2006.

Breaches of Action and Limit Levels

There were totally four environmental exceedances recorded during restricted hours noise monitoring on 3^rd, 10^th, 17^th and 24^th September 2006. However, all the exceedances were proved not to have been caused by the site activities of the Contractor and were attributable to the high ambient traffic noise from San Tin Highway.

Complaint Log

No environmental complaints were received during this reporting period.

Notifications of Summons and Prosecutions

There were no notifications of summons or prosecutions received during this reporting period.

Reporting Changes

This report has been developed in compliance with the reporting requirements for the subsequent monthly EM&A reports as required by the Project EM&A Manual.

Future Key Issues

The key issues with respect to the works in the forthcoming 2 months include:

· Laying of drainage pipes;

· Road widening works;

· Trench works;

· Storage and preparation of precast viaduct segments; and

· Erection of precast viaduct segments

The Contamination Assessment Report (CAR) and Remediation Action Plan (RAP) of Site A and Site E was prepared and is currently being reviewed by ER and IEC.

1 Environmental Status

1.1 Works undertaken during the Reporting Period

The major construction activities undertaken during this reporting period are summarised below:

· Percussive piling;

· Laying of drainage pipes;

· Road widening works;

· Trench works;

· Storage and preparation of precast viaduct segments; and

· Erection of precast viaduct segments.

The site plan of the Project is shown in Figure 1. The Contractor’s works programme is provided in Annex A.

1.2 Environmental Permit and Licences

There were no changes or clarification to the Environmental Permit (EP-190/2004) during the reporting period.

Three Construction Noise Permits (CNPs) were issued in September 2006. Details of the CNPs are summarised in Table 1.1.

Table 1.1 Details of Permits and Licenses issued in September 2006

Permit / License	Reference No.	Issue Date	Expiry Date
Construction Noise Permit for general construction work	GW-RN0462-06	14^th September 2006	9^th March 2007
Construction Noise Permit for general construction work	GW-RN0463-06	8^th September 2006	13^th September 2006
Construction Noise Permit for general construction work	GW-RN0479-06	14^th September 2006	30^th September 2006

1.3 Environmental Document Submissions to EPD

A summary of the status of the submissions to EPD as provided during the month of September 2006 is presented in Table 1.2.

Table 1.2 Summary of Environmental Submissions to EPD in September 2006

Item No.	Document Title	Date of Submission
1	Monthly EM&A Report No. 15 for August 2006	14^th September 2006
2	Quarterly EM&A Summary Report No. 5 (June 2006 – August 2006)	26^th September 2006

1.4 Environmental Monitoring Locations

Noise monitoring was undertaken at three monitoring stations CM1, CM2 and CM3. The locations are shown on Figure 1. Description of these monitoring stations is provided in Table 1.3.

Table 1.3 Noise Monitoring Stations

Monitoring Station ID	Description	Easting	Northing
CM1	Village house near San Tin Highway	826133	839839
CM2	Village house near San Tin Highway	826291	839918
CM3	Village house near Kwu Tung Road	826605	840076

2 Environmental Measures and Implementation Status

The mitigation measures listed in the Project EIA Report, EM&A Manual and Environmental Permit and the implementation status are provided in Annex B.

Based on site inspection findings, the Contractor has implemented the required mitigation measures during construction works to date in general.

3 Monitoring Results

3.1 Noise Monitoring

3.1.1 Noise Monitoring Equipment

The details of the noise monitoring equipment are listed below and the calibration certificates are presented in Annex C:

· Sound level meter ONO-SOKKI LA-5110

· Acoustical calibrator ONO-SOKKI SC-2110

· Hand-held anemometer

3.1.2 Noise Monitoring Methodology

The sound level meter was calibrated with an acoustical calibrator prior to each measurement. It was set on a tripod at 1.2 m above local ground level at the monitoring station. Measurement of the A-weighted L_{eq(30
minutes)} noise level for normal daytime hours was undertaken. Three consecutive A-weighted L_{eq(5
minutes)} noise levels were measured for restricted hours monitoring. Wind speed was checked during the monitoring period using the hand-held anemometer to ensure steady wind speed did not exceed 5 m/s, or gusts did not exceed 10 m/s. After the noise measurement the sound level meter was re-calibrated using the acoustical calibrator.

3.1.3 Noise Monitoring Results

Noise monitoring was undertaken on a weekly basis when noise generating activities were underway. The noise monitoring results obtained in September 2006, during the normal working hours, restricted hours from 1900 to 2300 hours on normal working days and from 0700 to 1900 hours on general holidays, are summarised in Table 3.1 and Table 3.2, respectively. Noise monitoring during restricted hours from 2300 to 0700 hours of next day was not carried out as there were no construction activities during this time period.

There were no environmental exceedances of the Action and Limit Levels for noise monitoring recorded during the normal daytime hours within the reporting period but four exceedances were recorded during the restricted hours. Details of the monitoring time period and weather condition during the monitoring period and the graphical presentation of the noise monitoring results are provided in Annex D.

Table 3.1 Summary of Noise Monitoring Results during Normal Working Hours

Date of Monitoring	Normal Hours. Noise Monitoring Results L_{eq(30 minutes)} dB(A)
Date of Monitoring	CM1	CM2	CM3
5^th September 2006	66	73	65
14^th September 2006	67	72	60
21^st September 2006	67	72	62
29^th September 2006	66	71	62

Remarks:

(1) CM2 is a non-façade measurement location. A positive correction of 3dB(A) has been applied to the measured noise level at CM2 according to EPD’s guideline.

Date of Monitoring	Restricted Hours Noise Monitoring Results L_{eq(15 minutes)} dB(A)
Date of Monitoring	CM1	CM2	CM3
3^rd September 2006	64	69	59
10^th September 2006	62	68	59
17^th September 2006	65	71	60
24^th September 2006	64	69	60

Remark:

(1) CM2 is a non-façade measurement location. A positive correction of 3dB(A) has been applied to the measured noise level at CM2 according to EPD’s guideline.

(2) Underlined figure indicates exceedance of the Limit Level of 65dB(A).

3.2 Water Quality Monitoring

Visual site surveillances for water quality were undertaken three times a week. Based on the visual inspection results, the Contractor has followed all necessary site practices for the maintenance of the site drainage system, including:

· Removal of stagnant water pools to prevent mosquito breeding.

· Sedimentation basin with larger capacity was provided to ensure sufficient retention time for sedimentation of wastewater.

· Replacing damaged sandbags barrier to better control surface runoff.

The details of the water quality visual inspection reports are provided in Annex E.

3.3 Landscape and Visual Resources

Two site inspections on the landscape and visual resources were undertaken in September 2006.

During the first inspection, weeds were found growing inside the two transplantation nurseries in the N1 and N2 Division areas and vines were found inside the N1 Division area. The Contractor was reminded to clear up the weeds regularly as proper maintenance for the nursery. Several trees inside the transplantation nursery in the N2 Division area were observed to have fallen down, which may have been caused by the typhoon event between 12^th and 13^th September 2006.

During the second inspection, the weeds and vines were observed to have been removed. The fallen trees found inside the transplantation nursery in the N2 Division during the previous inspection were replanted.

The details of the landscape and visual resources inspection reports are provided in Annex F.

3.4 Ad-hoc Air Quality Monitoring

No ad-hoc air quality monitoring was required during the reporting period.

3.5 Waste Management

The Contractor has adopted a trip ticket system for the disposal of construction wastes. According to the records provided by the Contractor, the disposal of construction waste within the reporting period is summarised in Table 3.3.

Table 3.3 Summary of Waste Disposal for September 2006

Waste Type	Destination	No. of Trips	Quantity
C&D Waste	NENT Landfill	26	130 m³
C&D Waste	WENT Landfill	3	15 m³
Building debris	CEDD’s Tuen Mun Area 38 Fill Bank	479	2,395 m³
	CEDD’s Tuen Mun Area 38 C&D Materials Recycling Facility	1	5 m³
Chemical Waste	Collected by Dunwell Enviro-Tech (Holdings) Ltd.	Nil	Nil
Chemical Toilet Waste	Collected by Proenvironmental Services Ltd.	26	-
Sewage Holding Tank Waste	Collected by Waylung Waste Services Ltd.	12	-

4 Environmental Audits

4.1 Site Inspection and Audit

Site inspections were undertaken on 7^th, 14^th, 21^st and 28^th September 2006, and jointly with the IEC on 28^th September 2006. Specific locations within the site were identified during the inspection for improvements in proper implementation of the environmental mitigation measures. These include:

· Regular and prompt removal of stagnant water pools to prevent mosquito breeding.

· Provision of sedimentation basin with larger capacity to ensure sufficient retention time for sedimentation of waste water in order to prevent overflow of basin.

· Frequent watering of unpaved haul road in order to avoid dust emission.

· Proper storage of used batteries in the designated chemical waste storage facility.

The record of the weekly site inspection findings is provided in Annex G.

4.2 Environmental Exceedances

During the reporting period, there were totally four exceedances of limit level during restricted hours noise monitoring recorded on 3^rd, 10^th, 17^th, and 24^th September 2006.

Further to investigation and discussion with ER, the project-related works being undertaken during the measurement period were located at a distance away (at least 150m) from the monitoring stations. The exceedances were due to the high ambient background noise caused by road traffic on San Tin Highway. Thus, the noise exceedances recorded were found not to be attributable to project works.

Records of the notification of environmental exceedances are provided in Annex H. The Action and Limit Levels for impact monitoring are provided in Annex I.

4.3 Environmental Complaint and Prosecution

During the reporting period, no environmental complaints, prosecutions or summons were received. Cumulative statistics on complaints, notifications of summons and successful prosecutions for the Project are provided in Annex J.

5 Forecast and Schedule

5.1 Key Issues for the Coming Months

The key issues with respect to the works in the forthcoming 2 months include:

· Laying of drainage pipes;

· Road widening works;

· Trench works;

· Storage and preparation of precast viaduct segments; and

· Erection of precast viaduct segments.

The CAR and RAP of Site A and Site E was prepared and is currently being reviewed by ER and IEC.

5.2 Monitoring Schedules for the Next Month

The proposed schedule for noise monitoring in October 2006 is provided in Table 5.1 below:

Table 5.1 Proposed Noise Monitoring Schedule for October 2006

Date	Noise Monitoring Station
3^rd October 2006 (Tuesday)	CM1, CM2 and CM3
11^th October 2006 (Wednesday)	CM1, CM2 and CM3
19^th October 2006 (Thursday)	CM1, CM2 and CM3
27^th October 2006 (Friday)	CM1, CM2 and CM3
31^st October 2006 (Tuesday)	CM1, CM2 and CM3

6 Conclusion

There was no environmental non-compliance attributable to the Project works during reporting period.

There were four exceedances of the Limit Level recorded during the restricted hours noise monitoring during the reporting period. However, they were found not to be attributable to project works.

No environmental complaints, prosecutions or summons was received during the reporting period.

*Client :* Chun Wo Construction & Engineering Co., Ltd.				*Contract No.:*
*Project Title :* Improvements to San Tin Interchange (Contract No. HY/2004/09)				*Project No.:* 3878
*Document No.:* 3878-OR024-00/elt16978				*Controlled Copy No.:*
*Document Title:* Monthly Environmental Monitoring & Audit Report No. 16
*Covering Letter / Transmittal Ref. No.:* 3878/elt16979/OG177/SB/hn				*Date of Issue:* 09^th October 2006
_{Revision, Review and Approval/Authorization Records}




00	Monthly EM&A Report No. 16 – September 2006	Various/ 09^th October 2006	Henry Ng/ 09^th October 2006		Susana Bezy/ 09^th October 2006
Revision	Description	Prepared by / date	Reviewed by / date		App. or Auth. by / date

Controlled Copy No.	Issued to
01 – 04	EPD
05 – 06	Maunsell
07	Chun Wo
08	ERM
09	ACL