Environmental Impact Assessment Public Disclosure Authorized Public Disclosure Authorized
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Wol ank Financed Project E584 Volume 3 Public Disclosure Authorized Xiaogan-Xiangfan Expressway Project Environmental Impact Assessment Public Disclosure Authorized Public Disclosure Authorized Hubei Provincial I Comm unications Departmeut Public Disclosure Authorized Marc. .2002 W uhan Cihina FILE COPY Envi-onmentalnImpact Assessment of Aiaogan-,Xiangfan Erpressway Table of Contents Chapter] Introduction ...................................... 1.1 Project Background ..................................... 1 1.2 Environmental Assessment ..................................... I 1.3 Purpose of EA .................................... 2 1.4 Bases of Assessment ..................................... 3 1.5 EA Management and Procedure ..................................... 5 1.6 Scope of Assessment ..................................... 7 1.7 Methodology ..................................... 7 Chapter 2 Environmental Assessment Team .................................... 11 2.1 Brief Introduction of SSSRI .................................... 1 2.2 Team Members .................................... 1I Chapter 3 Project Description .................................... 12 3.1 Directly Impacted Areas .................................... 12 3.2 Location .................................... 12 3.3 Alignment Corridor and Main Control Points .................................... 12 3.4 Traffic Volume Prediction ................................... 13 3.5 Key Technical Standards and Construction Scale ..................................... 13 3.6 Accessory Facilities .................................... 14 3.7 Construction Materials .................................... 15 3.8 Project Cost Estimate .................................... 15 3.9 Construction Schedule .................................... 16 Chapter 4 Description of the Existing Environment .................................... 17 4.1 Physical Environment .................................... 17 4.2 Biological Environment .................................... 19 4.3 Socio-economic Environment .................................... 22 4.4 Existing Environmental Quality .................................... 32 Chapter 5 Environmental Impacts .................................... 41 5.1 Identification of Potential Environmental Impacts .................................... 41 5.2 Impact on Ecological Environment .................................... 43 5.3 Impact Analysis of Water Environment .................................... 50 5.4 Noise Impacts .................................... 55 5.5 Impacts to Air Quality .................................... 67 5.6 Impact on Socio-economic Environment .................................... 72 5.7 Indirect Impacts .................................... 79 5.8 Resettlement and Relocation .................................... 83 5.9 Safeguards Assurance and Compliance .................................... 92 Chapter 6 Analysis of Alternatives .................................... 95 6.1 Analysis of Corridor Alternatives .................................... 95 6.2 Analysis of Sub-alternatives .................................... 101 6.3 Comparison of "with" and "without" the Project .................................... 108 Chapter 7 Mitigation Measures .................................... 109 7.1 Design Phase .................................... 109 7.2 Construction Phase .................................... 124 Hubei ProvincialComnmunications Department Environmental Impact Assessment ofY-iaogan-Xiangfan Erpresswvay 7.3 Mitigation Measures during Operation Phase ......................................... 129 Chapter 8 Environmental Management Plan ............. ............................ 132 8.1 Organization of Environmental Management ......................................... 132 8.2 Mitigation Plan ......................................... 134 Environmental Supervision Plan ......................................... 139 8.4 Environmental Monitoring Plan .140 8.6 Implementation Schedule and Estimated Cost .146 Chapter 9 Public Consultation .149 9.1 Consultation Implementation .149 9.2 Public Opinion Questionnaire . 15 9.3 Public Consultation Activities Records .151 9.4 Main Concerns of the Affected Public and Responses .159 9.5 Conclusions of Public Consultation .160 9.6 Information for Disclosure .161 Chapter 10 Conclusion .167 Hlibei ProvincialConmminications Departmient Environmental Impact .Issessmen of tiaogan-Xiangfan Expresswav List of Table Table 1.6-1 Scopes of Environmental Assessment ........................................................... 7 Table 1.8-1 Ambient Air Quality Standard (GB3095-1996) unit: mg/Nm ...................... 8 Table 1.8-2 Standard of Environmental Noise of Urban Area (GB3096-93) unit: dB(A) .8 Table 1.8-3 Noise Limits for Construction Site (GB 12523-90) unit: dB .......................... 8 Table 1.8-4 Water Quality Requirement Standard for the Main River along the Project .. .9 Table 1.8-5 Environmental Quality Standard for Surface Water unit: mg/l ..................... 9 Table 1.8-6 Standards for Irrigation Water Quality (GB5084-92) unit: mg/l .................... 9 Table 1.8-7 Integrated Wastewater Discharge Standard (GB8978-1996) unit: mg/l ........ 9 Table 1.8-8 Classification of Soil Erosion ................................................................. 10 Table 3.4-1 Traffic Volume Predicted for the Proposed Xiao-Xiang Expressway (unit: pcu veh./day) .............................. 13....................................] Table 3.5-1 Main Technical Specifications ................................................................. 14 Table 3.5-2 Main Works Quantity ................................................................. 14 Table 3.6-I List of Accessory Areas along the Xiao-Xiang Expressway ......................... 15 Table 3.7-1 Locations of Construction Materials Sources ........................... ................... 15 Chart 3-9-1 Whole Schedule of the Project ................................................................. 16 Table 4.1 -I Key Meteorological Data of Areas along the Proposed Expressway* .......... 18 Table 4.3-1 Population and Land Distribution at the Project Area .................................. 22 Table 4.3-2 Land Distribution in the Project Area .......................................................... 22 Table 4.3-3 Main National Economy Indexes of Areas Influenced Directly by the Project .......................................................................................................................................23 Table 4.3-4 Agricultural Products in the Project-affected Areas ..................................... 23 Table 4.3-5 Cultivated Lands along the Alignment ........................................................ 24 Table 4.3-6 Output of Agriculture, Forestry, Livestock Raising and Fishery unit: million Yuan ................................................................. 24 Table 4.3-7 Income Situation of the Residents of Areas Influences by the Project .......... 25 Table 4.3-8 Institutes of Culture, Education, Scientific Research and Public Health in the Affected Areas ................................................................. 26 Table 4.4-1 Environmentally Sensitive Spots along the Proposed Expressway ............... 32 Table 4.4-2 Environmentally Sensitive Spots along the Proposed Expressway ............... 34 Table 4.4-3 Environmentally Sensitive Spots along the Proposed Expressway (Major Rivers, Forest Park) ................................................................. 34 Table 4.4-4 Monitoring Results of Ambient Noise along the Proposed Expressway ....... 35 Table 4.4-5 Water Sampling Locations and Pollutant Monitored .................................... 36 Table 4.4-6 Analytical Methods of Water Sample .......................................................... 36 Table 4.4-7 Monitoring Results of Current Water Quality unit:mg/l .............................. 36 Table 4.4-8 Percentage of Water Samples Meeting the Applicable Standards ................. 37 Table 4.4-9 Monitoring Locations and Ambient Air Quality Items ................................. 38 Table 4.4-11 Monitoring Results of NO, Unit: mg/Nm3 . ...............................................40 3 Table 4.4-12 Monitoring Results of NO2 Unit: mg/Nm . ...............................................40 Table 5.1-1 Potential Environmental Impact Types & Degrees ...................................... 41 Table 5.1-2 Matrix of Potential Environmental Impacts ................................................. 42 Table 5.2-1 Quantity Balance of Earth and Stonework unit:km3 .................................... 44 Table 5.2-2 Areas of Soil Conservation to be Affected ................................................... 45 Table 5.2-3 Values of the factors in the soil erosion projection model ......... .................. 46 Hubei Provincial Communications Department Environmental Impact Assessment ofXiaogan-Xiangfan Expresswvay Table 5.2-4 Results of Soil Erosion Prediction in Construction Phase ............................ 46 Table 5.2-5 Efficiency of Vegetation as Erosion Control Measures ................................ 47 Table 5.3- I Wastewater Discharge Condition at Service Stations and Parking Zone ...... 52 Table 5.3-2 Received Volume of Runoff by Rivers ........................................................ 53 Table 5.3-3 Prediction of River Contamination by Initial Surface Runoff unit: mg/I ...... 53 Table 5.3-4 Traffic Accidents Statistics for Guangzhou-Huizhou Expressway in Recent Years ...............................................................