EXECUTIVE SUMMARY

Introduction

1. This is the 43^rd 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 May 2023.

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/A	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/A	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 and Fanling North New Development Areas, 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	4, 10, 16, 22, 25 and 31 May 23	4, 10, 16, 22, 25 and 31 May 23	N/A	N/A	N/A
	FLN-DMS3			N/A	N/A	4, 10, 16, 22, 25 and 31 May 23
	FLN-DMS5			3, 9, 15, 19, 24 and 30 May 23	3, 9, 15, 19, 24 and 30 May 23	N/A
	KTN-DMS4(B)	3, 9, 15, 19, 24 and 30 May 23		3, 9, 15, 19, 24 and 30 May 23	N/A
24-hr TSP Monitoring	FLN-DMS1	N/A	N/A	3, 9, 15, 19, 24 and 30 May 23	3, 9, 15, 19, 24 and 30 May 23	N/A	N/A	N/A
	FLN-DMS3			N/A	N/A	3, 9, 15, 19, 24 and 30 May 23
	FLN-DMS5A			3, 9, 15, 19, 24 and 30 May 23	3, 9, 15, 19, 24 and 30 May 23	N/A
	KTN-DMS4(B)	3, 9, 15, 19, 24 and 30 May 23		3, 9, 15, 19, 24 and 30 May 23	N/A
Noise Monitoring	CP-FLN-NMS1	N/A			4, 10, 16, 22 and 31 May 23			N/A
	CP-FLN-NMS2	N/A				4, 10, 16, 22 and 31 May 23	N/A
	CP-KTN-NMS2	3, 9, 19, 24 and 30 May 23	N/A	N/A
	CP-KTN-NMS3
	CP-KTN-NMS5
	CP-KTN-NMS6	N/A	3, 9, 19, 24 and 30 May 23
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*	4, 5, 10, 11, 15, 16, 22 and 23 May 23	4, 11, 15, 23 May 23	N/A*	N/A*	N/A*
	Monitoring of Measures to Minimise Impacts to Ma Tso Lung Stream and Siu Hang San Tsuen Stream	9 May 23	N/A*	9 May 23	9 May 23	N/A*	N/A*	N/A*
	Monitoring of Measures to Minimise Impacts on Ecological Sensitive Habitats from Disturbance and Pollution	8 and 25 May 23	8 and 25 May 23	8 May 23	8 May 23	8 May 23	N/A*	N/A*
Egretry Monitoring		N/A	N/A	24 May 23	N/A	N/A	N/A	N/A
24-hr RSP (Ambient Arsenic) Monitoring for Land Contamination		4, 10, 16, 22 and 27 May 23	N/A	4, 10, 16, 22 and 27 May 23	N/A	N/A	N/A	N/A
Water Quality Monitoring		N/A	2, 4, 6, 8, 10, 12, 15, 17, 19, 22, 24, 27, 29 and 31 May 23	N/A	2, 4, 6, 8, 10, 12, 15, 17, 19, 22, 24, 27, 29 and 31 May 23	N/A	N/A	N/A
Landfill Gas Monitoring		25 May 23	N/A	N/A	N/A	N/A	N/A	N/A
Built Heritage Monitoring		N/A	Daily assessment subject to construction works conducted within assessment area	N/A	N/A	N/A	N/A	N/A
Environmental Site Inspection		2, 9, 16, 23 and 31 May 23	3, 10, 17, 24 and 29 May 23	5, 12, 16 and 22 May 23	4, 11, 17 and 25 May 23	2, 8, 18, 22 and 29 May 23	4, 11, 17 and 25 May 23	5, 12, 19 and 25 May 23

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

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	0	4	4	0	0	0
	Turbidity	0	3	3	0	0	0
	SS	0	2	2	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
Ecological Monitoring	Avifauna	0	0	0	0	0	0
	Aquatic fauna	0	0	0	0	0	0
	Non-aquatic fauna	1	1	2	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. Four (4) Limit Level for DO, Three (3) Limit Level for turbidity, and Two (2) Limit Level for Suspended Solid of impact water quality monitoring were recorded. 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/2019/02 for surveyed cultural heritage. No Limit Level exceedance was recorded.

Ecological Monitoring

11. All ecological monitoring was conducted as scheduled in the reporting month. One (1) action level exceedance and one (1) limit level exceedance for odonata were recorded at T3. The exceedance was considered non-project related, as large proportion of vegetative habitat along T3 were observed either removed or tarmacked as haul road by construction works outside of project, first reported in the Monthly Monitoring Report in December 2021. The ecological monitoring result in the Reporting Month is shown in Appendix L.

Egretry Monitoring

12. All Egretry monitoring was conducted as scheduled in the reporting month. The monitoring results can refer to the Monthly Egretry Monitoring Report for May 2023.

Complaint Log

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

Notification of Summons and Successful Prosecutions

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

Reporting Changes

15. 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

16. The major site activities for the coming three months are shown in Table IV.

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

Contract No.	Site Activities (June to August 2023)
ND/2019/01	(a) Site Clearance, tree felling, removal of existing structures, slope work and drainage works in Portion 1a (b) Excavation, backfilling, construction of hoarding/fencing and road works and tree felling in Portion 1b (c) Site clearance, site formation and socket H piling in Portion 1c (d) Temporary storage of material and site formation in Portion 1e (e) Tree felling, site formation work and construction of subway in Portion 2 (f) Excavation, backfilling and drainage works in Portion 3 (g) Watermain, excavation, backfilling, road works, sheet piling and pipe jacking in Portion 5 (h) Drainage works, backfilling, road works, watermains work 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, RC construction of fresh water reservoir, construction of WSD¡¦s maintenance access and backfilling works and drainage works in Portion 8a (l) Construction of jacking pit at LWSC¡¦s car park and trenchless work, excavation, watermain construction and trial pit in Portion 8b (m) Sheet piling, excavation, drainage works and watermain construction in Portion 9b (n) Stockpile of soil in Portion 9c (o) Portion 10a was handed over (p) Road works and site clearance in Portion 10b (q) Site clearance, tree felling, remove of existing structure in Portion 13
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 - Road & Drainage works and watermains works at Yin Kong Road - Installation of Street Lighting - Construction of Pavilion at Yin Kong Road (b) Portion 2 to Portion 20C - Wetland creation & restoration, Dry agricultural land creation - Construction of compacted earth path - Construction of Water Treatment Wetland - Tree felling and tree pruning work - Construction of Lodging Facility - Construction of Dry Weather Flow Interception (DWFI)
ND/2019/04	(a) Tree Felling and transplant (b) Pile Cap (c) Back Filling (d) Excavation (e) Grouting (f) Sheet Piling (g) Road works (h) Pre-drill (i) Bore pile (j) ELS
ND/2019/05	(a) North Team Works - ELS works and Pile cap construction at B2-01, B2-02, B2-03, C2-04b & D2-01 - Backfilling at C4-02 & C4-01 - Footing of tower crane at E2-01 - Construction of B1-abutment wall. - Pier construction at C2-04b, & B2-02. - Pier head construction at C2-04b, C1-01b & E2-01 - Slope works, road works and drainage work at Jockey Club Road (3SW-C/F63), Tong Hang Junction and Portion VI (FS28 & 29) Viaduct Works - Segment fabrication for bridge C2 & D1 & E1. - Segments erection by LG at bridges C4, C3. - Segments erection by crane at bridge D1 and E1. - T-span construction by form traveler at Pier E2-02, E3-03, D2-02, E3-01 - SOP construction at E3-02, D2-03, E2-01, E2-03 - Construction of pile cap and installation of bridge rotation components at pier D2-01. - Design and fabrication of 3rd and 4th set of form traveler. - Design and fabrication of falsework for Bridge B1. - Erection of tower crane at E2-01. (b) South Team Works - TWSRW ¡V Road work and UUs laying (Section P800 CH 250 to 450). - TWSRW ¡V Installation work of raking drain for FS04. CLP 11 kV cable diversion work (1^ST) - TWSRE ¡V Form D300 new road, BBI footing, relocation of existing BBI and road diversion - TWSRE ¡V Drainage Diversion, Road Drain, UUs laying (HKT, CLP, TCSS, Irrigation) - HKY FB (East) ¡V Construction of extension roof, install subframe, cladding, E&M - HKY FB (West) ¡V Construction of LT2 (Foundation) - E3-04a, E3-05M, E4-01 and E4-02 ¡V cap construction. - NB109 ¡V bay 5~8, base slab construction. - NB69 ¡V ELS excavation (c) Form Traveler - E2-02 ¡V construction 4th to 7th pair - E3-03 ¡V construction 5th to 8th pair - D2-02 ¡V erection of form traveller no. 3
ND/2019/06	The construction phase has been completed and handed over to AFCD since 4 April 2022.
ND/2019/07	(a) Road works at Portion 1, 4 and 5 (b) C&D waste disposal at Portion 1, 2, 4 and 5 (c) Construction of box culvert at Portion 2 (d) Filling works at Portion 2 and 4 (e) Construction of site haul road at Portion 4 (f) Drainage works, Sewerage works at Portion 1, 3 and 4 (g) Mini piling works at Portion 4 (h) Construction of noise barrier at Portion 4 and 5 (i) Waterworks at Portion 1 and 4