E2450 v. 1 REV Public Disclosure Authorized Liuzhou Environment Management Project (II) Consolidated Environment Impact Assessment Report Public Disclosure Authorized Public Disclosure Authorized Guangxi Environmental Protection Research Academy July, 2010 Public Disclosure Authorized Name of Project：Liuzhou Environment Management sub-project (II)（LZEMP II） Industry Category：Environment Improvement Document Category：Environment Impact Assessment Summary Delegated by: Liuzhou Municipal Wastewater Treatment Co., Ltd（LMWTC） Assessed by: Guangxi Environmental Protection Research Academy (GEPRC) Corporate Representative：Yu Wanli Revised by：Senior Engineer with EA Engineer Registration Certificate No.A29020020300 Checked by：Senior Engineer with EA Engineer Registration Certificate No.A29020110400 Audited by：Senior Engineer with EA Engineer Registration Certificate No.A29020130600 Person in charge ： Senior Engineer with EA Engineer Registration Certificate No. A29020041000 Assignment Description Title of Qualification Name Chapter Responsible Signature Technical Post Certificate No, EA Engineer Senior Registration Pang Shaojing General, Findings of EA Engineer Certificate No.:A29020041000 Project Description and Analysis, EI and Mitigation During construction, EA Post Certificate Yu Le Engineer Environmental Economic Profit and No.C29160003 Loss Analysis, Social Environment Impact Assistant EA Post Certificate Li Li alternative Analysis Engineer No.A29020033 EA Post Certificate Zhao Lvxuan Engineer Environmental impact assessment No.A29020026 Public Consultation and Information Assistant EA Post Certificate Ge Jieju Disclosure, Current Environmental Engineer No.C29160004 Quality Research and Assessment Assistant EA Post Certificate General Environment and Social Profile Zheng Xin Engineer No.29020032 and EMP CEA of LZEMP II Table of Contents Table of Contents 1 GENERAL ............................................................................................................................................. - 2 - 1.1 General Context of Project ................................................................................................................ - 2 - 1.2 Profile of CEA..................................................................................................................................... - 3 - 1.3 EA Scope, Assessment Period and Environmental Protection Objectives (Sensitive Receptors) - 6 - 1.4 Environmental Impact Factors and Assessment Factors ............................................................... - 8 - 1.5 Environment Policies ....................................................................................................................... - 10 - 2 PROJECT DESCRIPTIONS AND ANALYSIS ............................................................................... - 20 - 2.1 Project Name and sub-projects ....................................................................................................... - 20 - 2.2 Proposed Project Sites ..................................................................................................................... - 20 - 2.3 Project Construction alternative ..................................................................................................... - 26 - 2.4 Process Character ............................................................................................................................ - 33 - 2.5 Linked Project ....................................................................................................................................... 38 2.6 Project Investment Estimate ................................................................................................................ 38 2.7 Project Implementation Schedule ........................................................................................................ 39 3 GENERAL ENVIRONMENTAL AND SOCIAL PROFILE .............................................................. 41 3.1 General Environmental Profile of Liuzhou city ................................................................................. 41 3.2 Liucheng county .................................................................................................................................... 48 3.3 Rongshui County ................................................................................................................................... 52 3.4 Rong’an county ...................................................................................................................................... 55 3.5 Sanjiang county ..................................................................................................................................... 58 4 ENVIRONMENTAL IMPACT ASSESSMENTS ................................................................................. 62 4.1 WWTP & Sewer Network Sub-projects .............................................................................................. 62 4.2 River Dredging Sub-Project ................................................................................................................. 90 4.3 Sludge Treatment Sub-Project ............................................................................................................. 99 4.4 Environment Impact analysis of sludge landfilling .......................................................................... 109 4.5 Environment Risk assessment ............................................................................................................ 113 5 ALTERNATIVE ANALYSES .............................................................................................................. 120 5.1 Objective and Principle of Alternative Analysis ............................................................................... 120 5.2 No Project Analysis ............................................................................................................................. 120 5.3 WWTP Sites Alternative Analysis ..................................................................................................... 121 5.4 Alternative Analysis of Sludge Treatment ........................................................................................ 133 5.5 Alternative Analysis of Sewer Network Engineering ....................................................................... 137 6. PUBLIC CONSULTATION AND INFORMATION DISCLOSURE ............................................. 140 6.1 Objective, Method and Scope ............................................................................................................. 140 6.2 Information Disclosure ....................................................................................................................... 140 6.3 Public Consultation ............................................................................................................................. 144 7. ENVIRONMENT MANAGEMENT PLAN ....................................................................................... 156 7.1 Objective .............................................................................................................................................. 156 7.2 Environmental Management Mechanism and Responsibility ......................................................... 156 7.3Measures for preventing and mitigating environmental risks ......................................................... 157 7.4Investment in Environmental Mitigation Measures ..................................................................... - 160 - 7.5Environmental Monitoring Plan .................................................................................................... - 163 - 7.6 Reporting System of EMP ............................................................................................................. - 163 - 7.7 Environmental Management Training ......................................................................................... - 165 - 8 CONCLUSION OF EA ..................................................................................................................... - 167 - Environmental Protection Research Academy of GuangXi.P.R.China Add:5JiaoYu Road Nanning GuangXi Tel:0771-5331497 Post:530022 I CEA of LZEMP II ABBREVIATION ABBREVIATIONS CEA Consolidated Environmental Assessment DI Design Institute EA Environmental Assessment EIA Environmental Impact Assessment EMP Environmental Management and Monitoring Plan EPB Environmental Protection Bureau PIU Project Implementation Unit GEPRA Guangxi Environmental Protection Research Academy MSWM Municipal Solid Waste Management PO Project Owner PMO Project Management Office PRC The People’s Republic of China SE Supervision Engineer WB World Bank WWTP WWTP LEP Liuzhou Environment Project GEPB Guangxi Provincial Environmental Protection Bureau LZEMP Liuzhou Environment Management sub-project LZPMO Liuzhou Project Management Office CHEMICAL ABBREVIATIONS A²/O Anaerobic-anoxic-oxic biologic phosphorus & nitrogen BOD5 Biochemical Oxygen Demand （5 days） COD Chemical Oxygen Demand CODMn Permanganate Index NH3-N Ammonia Nitrogen SBR Sequencing Batch Reactor Processing SS Suspended Solids TN Total Nitrogen TP Total Phosphorus TSP Total Suspended Particulates Environmental Protection Research Academy of GuangXi.P.R.China Add:5JiaoYu Road Nanning GuangXi Tel:0771-5331497 Post:530022 I CEA of LZEMP II General 1 General 1.1 General Context of Project 1.1.1 Governmental development strategy and project source