EXECUTIVE SUMMARY

Introduction

1.      This is the 30th monthly Environmental Monitoring and Audit (EM&A) Report under First Phase Development of Kwu Tung North (KTN) and Fanling North (FLN) New Development Areas (NDAs), comprising the Advance Works and First Stage Works (the Project). This report was 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 Environmental Monitoring and Audit (EM&A) work conducted in April 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 - Kwu Tung North New Development Area, Phase 1: Site Formation and Infrastructure Works

EP-466/2013

Castle Peak Road Diversion

12th 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

12th August 2020

EP-468/2013/A

Kwu Tung North New Development Area Road D1 to D5

1st June 2020

EP-470/2013

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

23rd March 2020

Contract No. ND/2019/02 - 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

28th October 2020

Contract No. ND/2019/03 - 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

3rd July 2020

EP-473/2013/A

Fanling Bypass Eastern Section (New Road)

6th October 2020

Contract No. ND/2019/04 –

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)

23rd February 2021

EP-546/2017

Fanling North Temporary Sewage Pumping Station

16th February 2021

Contract No. ND/2019/05 -

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)

1st August 2020

Contract No. ND/2019/06 - 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

29th October 2019

Contract No. ND/2019/07 –

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.

1st 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, 11, 14, 20, 26 and 29 Apr 22

6, 11, 14, 20, 26 and 29 Apr 22

N/A

N/A

N/A

FLN-DMS3

N/A

N/A

6, 11, 14, 20, 26 and 29 Apr 22

FLN-DMS5

1, 7, 13, 19, 22 and 28 Apr 22

1, 7, 13, 19, 22 and 28 Apr 22

N/A

KTN-DMS4

1, 7, 13, 19, 22 and 28 Apr 22

1, 7, 13, 19, 22 and 28 Apr 22

N/A

24-hr TSP Monitoring

FLN-DMS1

N/A

N/A

4, 8, 13, 19, 25 and 28 Apr 22

4, 8, 13, 19, 25 and 28 Apr 22

N/A

N/A

N/A

FLN-DMS3

N/A

N/A

4, 8, 13, 19, 25 and 28 Apr 22

FLN-DMS5A

1, 7, 13, 19, 22, and 28 Apr 22

1, 7, 13, 19, 22, and 28 Apr 22

N/A

KTN-DMS4

1, 7, 13, 19, 22, and 28 Apr 22

1, 7, 13, 19, 22, and 28 Apr 22

N/A

Noise Monitoring

CP-FLN-NMS1

N/A

6, 11, 20, and 26 Apr 22

N/A

CP-FLN-NMS2

N/A

6, 11, 20, and 26 Apr 22

N/A

CP-KTN-NMS2

1, 7, 13, 19 and 28 Apr 22

N/A

N/A

CP-KTN-NMS3

CP-KTN-NMS5

CP-KTN-NMS6

N/A

1, 7, 13, 19 and 28 Apr 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*

1, 6, 8, 12, 14, 19, 26 and 29 Apr 22

6, 12, 19 and 26 Apr 22

N/A*

N/A*

N/A*

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

22 Apr 22

N/A*

22 Apr 22

22 Apr 22

N/A*

N/A*

N/A*

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

21 and 25 Apr 22

21 and 25 Apr 22

25 Apr 22

25 Apr 22

25 Apr 22

N/A*

N/A*

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

6, 12, 14, 20, 26 and 29 Apr 22

N/A

6, 12, 14, 20, 26 and 29 Apr 22

N/A

N/A

N/A

N/A

Water Quality Monitoring

N/A

1, 4, 6, 8, 11, 13, 15, 19, 21, 23, 25, 27 and 29 Apr 22

N/A

1, 4, 6, 8, 11, 13, 15, 19, 21, 23, 25, 27 and 29 Apr 22

N/A

N/A

N/A

Landfill Gas Monitoring

28 Apr 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

4, 12, 20 and 26 Apr 22

6, 14, 20 and 27 Apr 22

1, 8, 14, 19 and 29 Apr 22

7, 14, 21 and 25 Apr 22

4, 11, 21 and 25 Apr 22

7,14, 21 and 28 Apr 22

1, 8, 14, 22 and 29 Apr 22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remark:

N/A – No relevant monitoring is required according to updated EM&A Manual

N/A* – No relevant monitoring is required according to 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.


 


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

1

7

8

0

0

0

Turbidity

2

4

6

0

0

0

SS

0

1

1

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. One (1) Action Level and seven (7) Limit Level for DO, two (2) Action Level and four (4) Limit Level for turbidity, one (1) Limit Level exceedances for suspended solids of impact water quality monitoring were recorded. After investigation, all exceedances were considered non-projected related. No construction of channel for alternation of natural streams was carried out in the reporting month. Therefore, no water quality monitoring according to pre-construction ET’s Updated EM&A Manual and Baseline Water Quality Monitoring Report (KTN & FLN NDA) was conducted. For the details, please refer to 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 gases 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 in the reporting month was carried out 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. Action and limit level will be compared after the issue of Final Baseline Ecological Report. The ecological monitoring result in the Reporting Month is shown in Appendix L.

 

Complaint Log

12.  No environmental complaint was received in the reporting month.

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 Two Months

Contract No.

Site Activities (May 2022 and June 2022)

ND/2019/01

 

(a)          Site Clearance, remove of existing structures and tree felling in Portion 1a

(b)         Site clearance, backfilling, ground investigation, sheet piling, excavation and drainage in Portion 1b

(c)          Site clearance, demolition of existing structures in Portion 1c

(d)         Site Clearance and tree felling in Portion 1e

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

(f)          Site clearance, backfilling, excavation and tree felling in Portion 3

(g)         Site clearance, sheet piling and excavation, drainage works, temporary road construction and watermain in Portion 5

(h)         Site Clearance, sheet piling and excavation, pipes laying, backfilling, construction of KB01 retaining wall, haul road construction in Portion 6a

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

(j)           Site clearance, sheetpiling and excavation, pipes laying 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, water service reservoir and fresh water reservoir, GI works, pipe pile wall of WSD’s maintenance access in Portion 8a

(l)           Sheet piling for receiving pit, trenchless works, excavation, ELS for jacking pit at LWSC’s car park in Portion 8b

(m)       Sheet piling and excavation, pipes laying, demolition of existing structures, GI works in Portion 9b

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

(o)         Excavation, sheetpiling for ELS, drainage works, road construction and utilities laying in Portion 10a

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

(q)         Construction of MBR at 11b

(r)          Construction of temporary sewage pumping station in Portion 14

ND/2019/02

(a)          Pipe Jacking

(b)         ELS

(c)          Concreting

(d)         Backfilling

(e)          Sheet Pile Installation

(f)          Bedding and Pipe Laying

(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 Compacted Earth Path / Walkway

-          Construction of Ditches

-          Construction of Irrigation Channel

-          Construction of Decking & Sluices

-          Construction of Wetland Boardwalk

-          Construction of Type 1 Storage House

-          Construction of Type 2 Storage House

-          Construction of Tea House

-          Construction of Composting Facility

-          Construction of Bird Hide

-          Construction of Outdoor Classroom

-          Construction of Storage Sheds

-          Wetland Creation & Restoration works

ND/2019/04

 

(a)           Tree felling

(b)           Predrill

(c)           Bored piling

(d)           Excavation

(e)           Sheet piling

(f)            ELS

ND/2019/05

(a)           North Team Works

-          Pre-drilling for bored piles at B2-01-P3, B2-03-P3, P5, P6

-          Bored piling at B1&B2(Portion II), C1(Portion II), C2-02, C2-03a, C2-03b, C3-02, D2-01 & E2-01.

-          ELS and Pile cap construction at C1-02b, C1-03, C2-01, C2-04a, C3-01a, C3-02, C3-04b, C3-04a, D1-02 & E2-01

-          C3-03 & C3-04 Portal Beam

-          Piling platform & haul road construction from B2-03 to C1-02a at Portion II

-          Raft footing construction at C4-02

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

(b)          Viaduct Works

-          Segment fabrication for bridge C4 & C3 & D1 & E1.

-          MJSOP erection at Pier C4-04 a/b M

-          Launching Girder (LG) delivery to site.

-          LG pre-assembly between pier C4-03 to C4-04a/bM.

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

-          1st set Form Traveler (FT) fabrication and delivery. Target to deliver in Apr-2022.

-          2nd set FT fabrication and delivery. Target to deliver in May-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.

-          Bridge rotation system fabrication1.

(c)           South Team Works

-          Venton Area – Telecom ducts laying.

-          Portion 13 – Twin DN1200 storm drain construction. Backfill FW 52 bay 1 to bay 3.

-          Portion 17 and 18 – Construction of DN 600 and DN450 sewer. RW 52 bay 4 and 5

-          Portion 18 – 132kv ducts laying and Gas main laying.

-          TWSR (West) – RW06 construction and FS04 slope works.

-          HKY FB (East) – construction of P01

-          Portion 11 – DN1200 and DN600 watermain laying work.

-          E2-03 – Pile cap construction.

-          E3-01 – Pier construction.

-          D2-02 – Reinstatement of Retaining wall and river slab. Pier construction.

-          D2-03 – ELS and cap construction.

-          E3-04a – Piling works.

ND/2019/06

 

(a)          Remedial works for finishing of painting at MOB at Portion 4.

(b)         Installation of handrails at MOB at Portion 4.

(c)          Grating installation at Portion 3.

(d)         Road marking at carpark after removal of temporary ramp at Portion 3.

(e)          Installation of signage of the market at Portion 3.

ND/2019/07

(a)        Site clearance at Portion 4

(b)        Erection of site hoarding at Portion 3, 4

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

(d)        G.I. works at Portion 4

(e)        Construction of box culvert at Portion 2

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

(g)        Tree felling/ Disposal of yard waste at Portion 4

(h)        Construction of site haul road at Portion 4, 5

(i)         Drainage works and sewage works at Portion 1, 3, 4 and 5

(j)         Mini piling works at Portion 4 and 5

(k)        Construction of noise barrier at Portion 5