l • [ ,It,.". Highways Department l The Government of Hong Kong Special Administrative Region [ Agreement No. CE 87/95 l. Tsing Yi North Coastal Road l Environmental Impact Assessment r [ Revised Final Assessment Report [ [ [ [ [ . Mouchel Asia Environmental in association with Aspinwall Clouston [ Wilbur Smith Assoicates l December 1997 r r u o o Highways Department o The Government of Hong Kong Special Administrative Region [j Agreement No. CE 87/95 o Tsing Yi North Coastal Road o Environmental Impact Assessment o o o Revised Final Assessment Report I Document Reference no. SVJ/WPKlThirdlI9.l2.97 I o Name Position Signature Date Prepared by W.P.Ko Environmental Manager !~ If /iil1.j 10 IM.1)17 I . o Checked by S.V. Jones Project Director lq N, ~r I !\'~1 Approved by S.V. Jones Project Director ltj\,!J&. l'Z l~ ;') I- ' o Revision Date 19/12/97 \ o CODy No. Ir; of 33 @ This report is printed on recycled paper [j fJ o Mouchel Asia Limited MOUCHEL [J No part of this document may be reproduced or transmitted, in any fonn or by any means electronic, mechanical, photographic, recording or otherwise, or stored in a retrieval system of any nature without the written pennission of Moue he 1Asia Ltd, application for which shall be made to Mauche! Asia Ltd. 241F t Citicorp Centre, 18 Whitfield Road, Causeway Bay, Hong Kong. [J r:, ..~ [ Tsing Yi North Coastal Road Mouchel Asia Limited CONTENTS o 1.0 INTRODUCTION ......•......................................•... 111 1.1 Background. .. 1/1 [ 1.2 Objectives of the Assignment ................................... 1/1 1.3 Report Structure. .. 111 [ 2.0 PROJECT DESCRIPTION ......•.................................. 2/1 2.1 General Project Description. .. 2/1 E 2.2 Construction Activities ........................................ 2/1 2.3 Traffic Estimates ............................................. 2/3 3.0 ENVIRONMENTAL STANDARDS AND GUIDELINES ................ 3/1 3.1 Noise ...................................................... 3/1 3.2 Air Quality .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ... 3/3 3.3 Water Quality ................................................ 3/4 [ 3.4 Solid Waste ................................................. 3/9 3.5 Visual Impacts ..... .. 3/11 [ 4.0 NOISE IMPACT ASSESSMENT .................................... 4/1 4.1 Noise Sensitive Receivers ...................................... 4/1 [ 4.2 The Existing Noise Environment .................... '. .. 4/3 4.3 Impacts During Construction. .. 4/4 [ 4.4 Mitigation Measures During Construction ......................... 4/6 4.5 Impacts During Operation .. .. 4/8 4.6 Noise Mitigation Measures During Operation ...................... 4/10 4.7 Benefits of the Recommended Noise Mitigation Measures ............ 4/14 L 4.8 Residual Impacts ............................................ 4/14 4.9 Noise Sensitive Receivers for Future Developments ................. 4/15 E 5.0 AIR IMPACT ASSESSMENT ....................................... 5/1 c 5.1 Air Sensitive Receivers ........................................ 5/1 5.2 The Exisiting Air Pollution Environment .......................... 5/1 5.3 Impacts During Construction . .. 5/1 c 5.4 Mitigation Measures During Construction ......................... 5/2 5.5 Impacts During Operation ...................................... 5/3 5.6 Mitigation Measures During Operation ............................ 5/4 [ 5.7 Residual Impacts ............................................. 5/4 [ 6.0 WATER QUALITY IMPACT ASSESSMENT ......................... 6/1 6.1 Water Sensitive Receivers ..................................... 6/1 [ 6.2 Existing Water Quality Environment ............................. 6/2 6.3 Impacts During Construction ............................. : ..... 6/6 6.4 Mitigation Measures During Construction ........................ [ 6/6 EIA Final Report SYJIWPKlCCII:90545IREPORTIFINAUcontent (i) [ L Tsing Yi North Coastal Road Mouchel Asia Limited 6.5 Impacts During Operation .. .. 6/7 b 6.6 Mitigation Measures During Operation. .. 6/8 6.7 Residual Impacts ............................................. 6/8 C 7.0 WASTE MANAGEMENT .................................•........ 7/1 r 7.1 Introduction ................................................. 711 7.2 Construction Waste Management ................................ 7/1 7.3 Earthwork Volumes . .. 7/3 C 7.4 Waste Handling Measures ...................................... 7/3 8.0 ECOLOGICAL ASSESSMENT ..................................... 8/1 § 8.1 Introduction. .. 8/1 8.2 Ecological Baseline Information . .. 8/1 B 8.3 Construction Impacts . .. 8/8 8.4 Operation Impacts ........................................... 8115 8.5 Conclusions ................................................ 8/16 C 9.0 . ENVIRONMENTAL MONITORING AND AUDIT ..................... 9/1 C 9.1 Purpose. .. 9/1 9.2 Project Organization .......................................... 9/2 o 9.3 Construction Programme ....................................... 9/2 9.4 Air Quality . .. 9/3 9.5 Noise ...................................................... 919 C 9.6 Waste Management .......................................... 9/13 9.7 Ecology ................................................... 9/14 9.8 Site Environmental Audit ..................................... 9/16 C 9.9 Reporting .................................................. 9118 10.0 TRAFFIC IMPACT ASSESSMENT ................................. lOll C 10.1 Existing Traffic Conditions .................................... lOll 10.2 Traffic Impact of Construction Traffic ........................... 1011 C 10.3 Traffic Impact - Year 2001 .................................... 1011 10.4 Traffic Impact - Year 2016 .................................... lOll C 11.0 VISUAL IMPACT ASSESSMENT .................................. 1111 C 11.1 Introduction. .. 1111 11.2 Assessment Methodology ...................................... 1112 11.3 Baseline Study . .. 11/3 [ 11.4 Assessment of Landscape and Visual Impacts ..................... 11/6 11.5 Proposed Mitigation Measures ................................. 11/8 11.6 Assessment of Residual Landscape and Visual Impacts ............. 11112 [ 11.7 Conclusions........ .. 11114 12.0 CONCLUSIONS AND RECOMMENDATIONS ....................... nil [ EIA Final Report L SVJ/WPKlCCII:90545/REPQRTIFINAUcontent (ii) [. L [ Tsing Yi North Coastal Road Mouchel Asia Limited o Appendices Appendix A Ecological References of particular relevance to the Road Construction Projects [ in Hong Kong Appendix B Legislation and guidelines relating to habitats and species in Hong Kong of direct [ relevance to the Tsing Yi North Coastal Road Project. Appendix C Selected native trees and shrubs which are attractive to wildlife and are generally r.. i. recommended for planting on the Tsing Yi North Coastal Road site. 5 B C C [ [ c [ o c [ [ [ l EIA Final Report SVJIWPKlCCII:90545/REPORTIFINAUcontent (iii) [ L Tsing Yi North Coastal Road Mouche! Asia Limited List of Figures ~ h 2.1a Investigation Assignment Environmental'Impact Assessment - Study Area 2.1 b The Locations of the Proposed District Hospital and Proposed Secondary Schools in the [ Study Area 2.2 Survey Sites C !=1 2.3 1996 AMcPM) Peak Hour Traffic Volumes (vehs/hr) B 2.4 2016 AM Peak Hour Traffic Volume (vehs/hr) 2.5 2016 PM Peak Hour Traffic Volume (vehs/hr) B 2.6 1998 AMlPM Peak Hour Traffic Volumes (vehs/hr) C 4.1 'Locations of Noise Monitoring Stations, and Sensitive Receivers C 4.2 Locations of the Noise Mitigation Measures 4.3 Noise Sensitive Receivers Above the Proposed MTRC Station [ 4.4 The Locations of the Proposed Secondary Schools and Proposed District Hospital [ 4.5 Typical Cross - sectio.n at On Ko.ng House 4.6a Scheme Layo.ut (Sheet I o.f2) C 4.6b Scheme Layout (Sheet 2 o.f2) C•, 5.1 Locatio.ns of Air Sensitive Receivers C 6.1 Marine Water Sensitive Received Lo.cations 6.2 Tsing Yi No.rth Co.astal Ro.ad Simulated Flo.at Tracks Dry Seaso.n Neap Tide Bed Layer [ .. 6.3 Tsing Yi North Coastal Ro.ad Simulated Flo.at Tracks Dry Seaso.n Neap Tide Bed Layer C 6.4 Tsing Yi No.rth Coastal Road Simulated Float Tracks Wet Seaso.n Spring Tide Surface Layer [ 6.5 Tsing Yi North Coastal Ro.ad Simulated Float Tracks Wet Season Spring Tide Bed Layer [ 6.6 Ising Yi North Coastal Road Simulated Float Tracks Wet Season Spring Tide Surface Layer [ 6.7 Tsing Yi North Coastal Road Simulated Flo.at Tracks Wet Seaso.n Spring Tide Bed Layer [ EIA Fina! Report SVIIWPKlCCII:90545/REPORT/FINAUcontent (iv) [ L b Tsing Yi North Coastal Road Mouchel Asia Limited 6.S Tsing Yi North Coastal Road Simulated Float Tracks Wet Season Neap Tide Surface c Layer 6.9 Tsing Yi North Coastal Road Simulated Float Tracks Wet Season Neap Tide Bed Layer r 6.10 Tsing Yi North Coastal Road Simulated Float Tracks Wet Season Neap Tide Surface Layer r 6.11 Tsing Yi North Coastal Road Simulated Float Tracks Wet Season Neap Tide Bed Layer 6.12 Tsing Yi North Coastal Road Simulated Float Tracks Dry Season Spring Tide Surface Layer 6.13 Tsing Yi North Coastal Road Simulated Float Tracks Dry Season Spring Tide Bed Layer 6.14 Tsing Yi North Coastal Road Simulated Float Tracks Dry Season Spring Tide Surface c Layer c 6.15 Tsing Yi North Coastal Road Simulated Float Tracks Dry Season Spring Tide Bed Layer 6.16 Tsing Yi North Coastal Road Simulated Float Tracks Dry Season Neap Tide Surface [ Layer 6.17 Tsing Yi North Coastal Road Simulated Float Tracks Dry Season Neap Tide Surface [ Layer [ S.I The Basic Habitat Types in the Study Area of Tsing Yi North Coastal Road 9.1 Data Sheet for TSP Monitoring C 9.2 Dust Sensitive Receivers