EXECUTIVE SUMMARY

Introduction

1.      This is the 33rd monthly Environmental Monitoring and Audit (EM&A) Report for the First Phase Development of Kwu Tung North (KTN) and Fanling North (FLN) New Development Areas (NDAs), comprising the Advance Works and First Stage Works (hereinafter called the ¡§the Project¡¨). This report is prepared by Wellab Limited under ¡§Service Contract No. NDO 04/2019 Environmental Team for Environmental Monitoring and Audit Works in Construction Phase for the First Phase Development of KTN and FLN NDAs¡¨ (hereinafter called the ¡§Service Contract¡¨). This report documents the findings of EM&A works conducted in July 2022.

 

2.      During the reporting month, the following Works Contracts under relevant Environmental Permit(s) were undertaken for the Project:

 

Table I    Works Contracts under relevant Environmental Permit(s) in the Reporting Month

Works Contracts

Environmental Permit No.

Designated Project (DP)

Commencement date of construction

Contract No. ND/2019/01 ¡V                Kwu Tung North New Development Area, Phase 1: Site Formation and Infrastructure Works

EP-466/2013

Castle Peak Road Diversion

12 August 2020

EP-467/2013/A

Kwu Tung North New Development Area Road P1 and P2 and Associated New Kwu Tung Interchange and Pak Shek Au Interchange Improvement

12 August 2020

EP-468/2013/A

Kwu Tung North New Development Area Road D1 to D5

1 June 2020

EP-470/2013

Utilization of Treated Sewage Effluent (TSE) from Shek Wu Hui Sewage Treatment Works

23 March 2020

Contract No. ND/2019/02 ¡V                  Kwu Tung North New Development Area, Phase 1: Roads and Drains between Kwu Tung North New Development Area and Shek Wu Hui

EP-469/2013

Sewage Pumping Stations in Kwu Tung North New Development Area

28 October 2020

Contract No. ND/2019/03 ¡V                  Kwu Tung North New Development Area, Phase 1: Development of Long Valley Nature Park

EP-468/2013/A

Kwu Tung North New Development Area Road D1 to D5

3 July 2020

EP-473/2013/A

Fanling Bypass Eastern Section (New Road)

6 October 2020

Contract No. ND/2019/04 ¡V           Fanling North New Development Area, Phase 1: Fanling Bypass Eastern Section (Shek Wu San Tsuen North to Lung Yeuk Tau)

EP-473/2013/A

 

Fanling Bypass Eastern Section (New Road)

23 February 2021

EP-546/2017

Fanling North Temporary Sewage Pumping Station

16 February 2021

Contract No. ND/2019/05 ¡V            Fanling North New Development Area, Phase 1: Fanling Bypass Eastern Section (Shung Him Tong to Kau Lung Hang)

EP-473/2013/A

Fanling Bypass Eastern Section (New Road)

1 August 2020

Contract No. ND/2019/06 ¡V            Fanling North New Development Area, Phase 1: Re-provisioning of North District Temporary Wholesale Market for Agricultural Products

EP-475/2013/A

Reprovision of temporary Wholesale Market in Fanling North New Development Area

29 October 2019

Contract No. ND/2019/07 ¡V            Fanling North New Development Area, Phase 1: Site Formation and Infrastructure Works

Works area not under relevant Environmental Permit for Phase 1 of the Project.

1 March 2021

Environmental Monitoring and Audit Progress

3.      A summary of the EM&A activities in this reporting month is listed in Table II below:


 


Table II  Summary Table for EM&A Activities in the Reporting Month

EM&A Activities

Monitoring Station (s)

Works Contracts

ND/2019/01

ND/2019/02

ND/2019/03

ND/2019/04

ND/2019/05

ND/2019/06

ND/2019/07

1-hr Total Suspended Particulates (TSP) Monitoring

FLN-DMS1

N/A

N/A

6, 12, 18, 22 and 28 July 22

6, 12, 18, 22 and 28 July 22

N/A

N/A

N/A

FLN-DMS3

N/A

N/A

6, 12, 18, 22 and 28 July 22

FLN-DMS5

5, 11, 15, 21 and 27 July 22

5, 11, 15, 21 and 27 July 22

N/A

KTN-DMS4

5, 11, 15, 21 and 27 July 22

5, 11, 15, 21 and 27 July 22

N/A

24-hr TSP Monitoring

FLN-DMS1

N/A

N/A

5, 11, 15, 21 and 27 July 22

5, 11, 15, 21 and 27 July 22

N/A

N/A

N/A

FLN-DMS3

N/A

N/A

5, 11, 15, 21 and 27 July 22

FLN-DMS5A

5, 11, 15, 21 and 27 July 22

5, 11, 15, 21 and 27 July 22

N/A

KTN-DMS4

5, 11, 15, 21 and 27 July 22

5, 11, 15, 21 and 27 July 22

N/A

Noise Monitoring

CP-FLN-NMS1

N/A

6, 12, 18 and 28 July 22

N/A

CP-FLN-NMS2

N/A

6, 12, 18 and 28 July 22

N/A

CP-KTN-NMS2

5, 11, 21 and 27 July 22

N/A

N/A

CP-KTN-NMS3

CP-KTN-NMS5

CP-KTN-NMS6

N/A

5, 11, 21 and 27 July 22

Ecological Survey

Monitoring of Measures to Minimise Disturbance to Water Birds on Ng Tung River, Sheung Yue River, and Long Valley

N/A*

N/A*

7, 8, 13, 15, 19, 21, 28 and 29 July 22

7, 13, 21 and 28 July 22

N/A*

N/A*

N/A*

Monitoring of Measures to Minimise Impacts to Ma Tso Lung Stream and Siu Hang San Tsuen Stream

21 July 22

N/A*

21 July 22

21 July 22

N/A*

N/A*

N/A*

Monitoring of Measures to Minimise Impacts on Ecological Sensitive Habitats from Disturbance and Pollution

13 and 25 July 22

13 and 25 July 22

13 July 22

13 July 22

13 July 22

N/A*

N/A*

24-hr RSP (Ambient Arsenic) Monitoring for Land Contamination

6, 12, 18, 22 and 28 July 22

N/A

6, 12, 18, 22 and 28 July 22

N/A

N/A

N/A

N/A

Water Quality Monitoring

N/A

4, 6, 8, 11, 13, 15, 18, 20, 22, 25, 27 and 29 July 22

N/A

4, 6, 8, 11, 13, 15, 18, 20, 22, 25, 27 and 29 July 22

N/A

N/A

N/A

Landfill Gas Monitoring

29 July 22

N/A

N/A

N/A

N/A

N/A

N/A

Built Heritage Monitoring

N/A

N/A

N/A

N/A

Daily assessment subject to construction works conducted within assessment area

N/A

N/A

Environmental Site Inspection

5, 13, 19 and 26 July 22

6, 15, 20 and 27 July 22

8, 15, 19 and 29 July 22

7, 14, 21 and 28 July 22

4, 14, 18 and 25 July 22

7, 14, 21 and 28 July 22

8, 15, 22 and 29 July 22

 

Remarks:

N/A ¡V No relevant monitoring is required according to the updated EM&A Manual

N/A* ¡V No relevant monitoring is required according to the Baseline Ecological Monitoring Plan (Table 3.1)

[1] Since the distance between monitoring station CP-KTN-NMS2 and site boundary of ND/2019/03 under EP-468/2013/A exceeds 300m, the monitoring station is not applicable to ND/2019/03

[2] Since the distance between monitoring station CP-KTN-NMS3 and site boundary of ND/2019/03 under EP-468/2013/A exceeds 300m, the monitoring station is not applicable to ND/2019/03

[3] Since the distance between monitoring station CP-KTN-NMS1 and site boundary of ND/2019/02 under EP-469/2013 exceeds 300m, the monitoring station is not applicable to ND/2019/02

[4] Since the distance between monitoring station FLN-DMS1 and site boundary of ND/2019/05 under EP-473/2013/A exceeds500m, the monitoring station is not applicable to ND/2019/05

[5] Since the distance between monitoring station FLN-DMS3 and site boundary of ND/2019/03 and ND/2019/04 under EP-473/2013/A exceeds 500m, the monitoring station is not applicable to ND/2019/03 and ND/2019/04

[6] Since the distance between monitoring station FLN-DMS5 and site boundary of ND/2019/05 under EP-473/2013/A exceeds 500m, the monitoring station is not applicable to ND/2019/05

[7] Since the distance between monitoring station CP-FLN-NMS2 and site boundary of ND/2019/03 and ND/2019/04 under EP-473/2013/A exceeds 300m, the monitoring station is not applicable to ND/2019/03 and ND/2019/04

[8] Since the distance between monitoring station CP-FLN-NMS1 and site boundary of ND/2019/03 under EP-473/2013/A exceeds 300m, the monitoring station is not applicable to ND/2019/03

[9] Typhoon Signal No. 8 was hoisted the whole day on 2 July 2022. Due to safety reason, water monitoring on 2 July 2022 was cancelled.


Breaches of Action and Limit Levels

 

4.      Summary of the environmental exceedances of the reporting month is tabulated in Table III.

 

Table III   Summary Table for Events Recorded in the Reporting Month

Environmental Monitoring

Parameter

No. of non-project related Exceedances

Total No. of non-project related Exceedances

No. of Exceedance related to the Construction Works of the Contract

Total No. of Exceedance related to the Construction Works of the Contract

Action Level

Limit Level

Action Level

Limit Level

Air Quality

1-hr TSP

0

0

0

0

0

0

24-hr TSP

0

0

0

0

0

0

24-hr RSP

(Ambient Arsenic)

0

0

0

0

0

0

Noise

Leq(30min)

0

0

0

0

0

0

Water Quality [1]

DO

2

6

8

0

0

0

Turbidity

0

9

9

0

0

0

SS

0

9

9

0

0

0

Arsenic

0

0

0

0

0

0

Landfill Gas

O2

0

0

0

0

0

0

CH4

CO2

Cultural heritage

Built Heritage Monitoring

0

0

0

0

0

0

 

Air Quality

 

5.      All construction air quality monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance was recorded.

 

Construction Noise

6.      All construction noise monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance was recorded.

 

Water Quality

 

7.      All additional water quality monitoring was conducted as scheduled in the reporting month. Two (2) Action Level and Six (6) Limit Level for DO, Nine (9) Limit Level for turbidity, and Nine (9) Limit Level for Suspended Solid of impact water quality monitoring were recorded. After investigation, all exceedances were considered non-project related. No construction of channel for alternation of natural streams was carried out in the reporting month. Therefore, no water quality monitoring was conducted according to the Updated EM&A Manual and Baseline Water Quality Monitoring Report (KTN & FLN NDA). Relevant details are given in Section 5.

Land Contamination

8.      All ambient arsenic monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance was recorded.

Landfill Gas Monitoring

9.      Monitoring of landfill gas in the reporting month was carried out by the Contractor under ND/2019/01 at excavation location Portion 6b. No Limit Level exceedance was recorded.

Built Heritage Monitoring

10.  Built heritage monitoring was carried out in the reporting month by the Contractor under ND/2019/05 for surveyed cultural heritage. No Limit Level exceedance was recorded.

 

Ecological Monitoring

11.  All ecological monitoring was conducted as scheduled in the reporting month. The monitoring result is shown in Appendix L and will be compared with the Action/Limit level after the issuance of Final Baseline Ecological Report.

 

Complaint Log

12.  Five environmental complaints were received in the reporting month. One for ND/2019/01, Three for ND/2019/04 and One for ND/2019/05.

Notification of Summons and Successful Prosecutions

13.  No notification of summons or successful prosecutions was received in the reporting month.

Reporting Changes

 

14.  This report has been prepared in compliance with the reporting requirements for the subsequent monthly EM&A Report as required by the ¡§Updated Environmental Monitoring and Audit Manual for Advance and First Stage Works of Kwu Tung North and Fanling North New Development Areas¡¨ (Updated EM&A Manual).

Future Key Issues

15.  The major site activities for the coming two months are shown in Table IV.


 

Table IV       Summary Table for Site Activities in the coming Three Months

Contract No.

Site Activities (August 2022 to October 2022)

ND/2019/01

 

(a)          Site Clearance, tree felling, remove of existing structures, site formation and G.I. works in Portion 1a

(b)         Sheet piling, excavation, backfilling and drainage works in Portion 1b

(c)          Site clearance, removal of existing structures and site formation in Portion 1c

(d)         Site clearance and site formation in Portion 1e

(e)          Site clearance, tree felling, site formation work and construction of subway in Portion 2

(f)          Site clearance, excavation, backfilling and drainage works in Portion 3

(g)         Drainage works, watermain, excavation, backfilling and road works in Portion 5

(h)         Construction of retaining wall, drainage works and backfilling in Portion 6a

(i)           Operation of HAC treatment facility in Portion 6b

(j)           Site formation, sheet piling, excavation and drainage works in Portion 7

(k)         Construction of retaining wall, slope cutting, slope drainage and maintenance access construction, RC construction of flushing water service reservoir and fresh water reservoir, pipe pile wall of WSD¡¦s maintenance access, backfilling works and site formation in Portion 8a

(l)           ELS for jacking pit at LWSC¡¦s car park, excavation for receiving pit and trenchless work in Portion 8b

(m)       Sheet piling, excavation, drainage works and construction of retaining wall in Portion 9b

(n)         Stockpile of soil and excavation in Portion 9c

(o)         Excavation, sheet piling for ELS, drainage works, road construction, utilities works in Portion 10a

(p)         Sheet piling, excavation and drainage works in Portion 10b

(q)         Construction of MBR in Portion 11b

 

ND/2019/02

(a)           Pipe Jacking

(b)           Backfilling

(c)           Concreting

(d)           Bedding & Pipe Laying

(e)           ELS

(f)            Sheet Pile Installation

(g)           Cut and Fill of Slope

ND/2019/03

 

(a)        Portion 1 & Portion 1A

-            Drainage works at Yin Kong Road

-            Construction of Pai Lau

(b)     Long Valley

-          Erection of Permanent Boundary Structure

-          Construction of Irrigation Channel

-          Construction works of Type 1 Storage House

-          Construction works of Type 2 Storage House

-          Construction of Tea House

-          Construction of Decking & Sluices

-          Construction of Composting Facility

-          Construction works of Bird Hide

-          Construction works of Outdoor Classroom

-          Wetland Creation & Restoration works

-          Construction of Compacted Earth Path/ Walkway

-          Construction of Wetland Boardwalk

ND/2019/04

 

(a)           Tree felling

(b)           Predrill

(c)           Bored piling

(d)           Excavation

(e)           Sheet piling and ELS

ND/2019/05

(a)           North Team Works

-          Pre-drilling for bored piles at B2-03-P3, P5, P6

-          Bored piling at B1, B2 & C1(Portion II).

-          ELS works and Pile cap construction at, C2-03a, C2-04a, C3-01a, C3-02 & D1-02

-          C3-03 & C3-04 Portal Beam

-          Pier construction at C1-01b, C1-02b, C1-03, C1-04, C2-01, C2-02, C3-03a, C3-04ab, C4-02, D1-02, D1-03, D1-04, E1-04 & E2-01.

 

(b)          Viaduct Works

-          Segment fabrication for bridge C2 & C3 & D1 & E1.

-          Remaining components of Launching Girder (LG) delivery to site.

-          Erection of 1st pair non match cast segments at pier C4-03.

-          LG assembly works.

-          Cast in-situ SOP construction at Pier E2-02, E3-03.

-          2nd set FT delivery. To be used in August-2022.

-          3rd set FT design and fabrication. To be used in Feb-2023.

-          4th set FT design and fabrication. To be used in May-2023.

-          Complete construction of pile caps E2-01 and D2-01 and installation of cast-in rotation bridge components.

-          Bridge rotation system fabrication completion and delivery to site

 

(c)           South Team Works

-          Venton Area ¡V Construct new road (section from Venton to Kei Kee).

-          Portion 13 ¡V Fw52 bay 1 to 4a, backfilling to formation level.

-          Portion 17 and 18 ¡V Backfilling for new TWSRW.

-          Portion 18 ¡V 132kv ducts laying and Gas main laying.

-          TWSR (West) ¡V Backfilling and form new road behind FW06 and FS04 slope works.

-          TWSR (East) ¡V Form new road

-          HKY FB (East) ¡V construction of P01

-          Portion 11 ¡V DN600 watermain laying work.

-          E2-03 ¡V Pile cap and Pier construction.

-          E3-01 ¡V Pier construction.

-          E3-02 ¡V Cap and Pier construction

-          D2-02 ¡V Pier construction.

-          D2-03 ¡V Cap and Pier construction.

-          E3-04a ¡V Piling works.

-          E3-04b, E3-05M and E4-01 ¡V predrilling and piling.

-          NB109 ¡V base slab construction.

ND/2019/06

 

The construction phase has been completed and handed over to AFCD since 4 April 2022.

ND/2019/07

(a)        Site clearance at Portion 4

(b)        Erection of site hoarding at Portion 4

(c)        C&D waste disposal at Portion 1, 2, 4 and 5

(d)        Construction of box culvert at Portion 2

(e)        Filling works at Portion 1, 2 and 4

(f)         Construction of site haul road at Portion 4

(g)        Drainage works, Sewerage works at Portion 1, 3, 4 and 5

(h)        Mini piling works at Portion 4

(i)         Construction of noise barrier at Portion 4 and 5

(j)         Waterworks at Portion 1