Report on Hangzhou No. 2 Municipal Solid Waster Landfill HANGZHOU MUNICIPAL NO.2 REFUSE LANDFILL Public Disclosure Authorized E740 v.2 March 2003 Evaluation Report On Environmental Influence Public Disclosure Authorized of Hangzhou Municipal No.2 Refuse Landfill (For approval) Public Disclosure Authorized ZBEJIANG PROVINCIAL ENVIRONMENTAL PROTECTION SCIENCE & DESIGN INSTITUTE National EIA Certificate NO. 2003 (Level I) March 2003 Public Disclosure Authorized Environmental Science Research & Design Institute Of Zhejiang Province No. 111, Tianmushan Road. Hangzhou, P.R. China 12 ir~~~~~lF L Report on Hangzhou No. 2 Municipal Solid Waster Landfill Responsibility Paper Compiled Unit: ZHEJIANG PROVINCIAL ENVIRONMENTAL PROTECTION SCEENCE & DESIGN INSTITUTE Appraisal Certificate: National EIA Certificate No.2003 ( Level I) President of Institute: Zhang Chen (senior engineer) Director of Environmental Appraisal Center: Chen Dequan (senior engineer) Person in Charge of Project: Chen Changchun (senior engineer at professor level, No.A20030050) Contributors: Name Professional titlen Specialty Certificate No. Job division Work unit Senior Zhejiang Provincial Environmental Chen engineer at Environmental Project design, Protection Science & Design Changchun professor engineering integration Institute level Edit Chapters Zhejiang Hu .Environmental To be issued Provincial Environmental Q.angqang .Engineer .. 2,4,5, 6, Protection Science & Design Qiangqiang engineering after test 9.11 nttt 9.11.12_ Institute Senior Hangzhou Municipal Han engineer at Chemical B2004001 Edit Chapters Environmental Protection Science Weiming professor engineefing 3.7. Institute level Institute Environmental Hangzhou Municipal Wen Jianbin Engineer engineerntng B20040016 Edit Chapters Environmental Protection Science Institute ZholExamination Zhejiang Provincial Environmental Zhou Senior Chemical ProecionScenet&Deig Anguo Engineer engineering A20030053 and venfication Institute Senior. enir Zhejiang Provincial Environmental engincer at Environmental ExaTm]ne and Su Yusheng e A20030052 Protection Science & Design professor engineenng approve Institute level Cooperative unit: Hangzhou Municipal Environmental Protection Science Institute Environmental Science Research & Design Institute Of Zhejiang Province No. 111, Tianmushan Road, Hangzhou, P.R. China 13 Report on Hangzhou No. 2 Municipal Solid Waster Landfill Translation: Haiwen Translation Center Hangzhou China Contents 1. G e n e ral P ro v is io n s ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 1.1 P r o j e c t B a c k g r o u n d .................. ... ...... ... ... ... ... ... ... ... ... ... ... ...... ... 1.2 Environmental Impact Assessment ................................................ 1.3 Basis Of Environmental Impact Assessment . 2 1.3.1 Laws, Regulations And Standards Relevant To Environmental Protection ...2 1.3.2. Documents Relevant To The Project ........................................... 3 1.4 Contents And Focuses Of Evaluation ................................................ 3 1 .4. 1 Contents .............................................................................. ... 3 1 .4.2 Focuses Of Evaluation ............................................................ ... 4 1.5 Scope And Standards, Class Of Evaluation And Environmental Protection Aim....................................................... 4 1 .5. I Scope Of Evaluation ...... ... ........ ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...... 5 1.5.2 Standards Of Evaluation ............................................................ 5 1 .5.3 Evaluation Class .................................... ... ... ... ... ... ... ... ... ... ... ... ... 8 1 .5.4 Period Of Evaluation .............................................................- ... 8 1.5.5 Objectives Of Environmental Protection ... ... ... ... ... ... ... ... ... ... ... ... ... 8...8 1.6 Principles And Methods Of Evaluation ............................................. 9 1.7 Brief Introduction To The Evaluation Organization .............................. 9 1 .7.1 Organizational Structure Of The Project ... ... ... ... ... ... ... ... ... ... ... ... ... 9...9 1 .7.2 Synopsis To The Chief Editors ................................................... 10 2 . Survey O f Proj e c t .............................. ......... ...... ...... ...... ...... ...... ... 12 2.1 The Cause Of The Project .. ... 12 2.2 Present Situation And Reviewed Investigation Of The No. I Landfill ... 12 2.2. 1 A Survey Of The Project ......................................................... ... 12 2.2.2 Main Controlling Measures Of Pollution And Review Investigation Of Pollutant I n f I u e n c e .. 1 4 2.3 General Description Of The Engincering Design For The No. 2 Municipal Solid Waste L a n d f i I I .............. 2 5 Environmental Science Research & Design Institute Of Zhejiang Province No. Ill, Tianmushan Road, Hangzhou, P.R. China 14 Report on Hangzhou No. 2 Municipal Solid Waster Landfill 2.3.1 Estimate Of The Refuse Volume To Be Filled And Their Composition In Hangzhou C i t y .... ....... ......... ... 2 5 2.3.2 Construction Scale And Investmcnt ............................................ ... 29 2.3.3 Construction Items ..................................... .......... 29 2 . 3 .4 P u b I i c W o r k s ...... ... ... ... ... ... .............. 3 1 2 .3 .5 L a n d f i 11 Te c h n o l o g y ................................. ............................ 3 2 2.3.6 Design For The Main Structures Of The Refuse Landfill .................. ... 34 2.3.7 Percolation-Preventive Measures ............................................. ... 36 2.3.8 Removal And Resettlement ..................................................... 39 2.4 Analysis Of Pollution Sources Of The Landfill Project . ...................... 45 2.4. I Rcfuse L eachate ............................................................... ... 45 2.4.2 Wa s t e G a s ........................................................................... ... 50 2.4.3 Source Intensity Of Waster Gas ................................................ ... 50 2.4.3 Noise ............................................................................. 5 1 2.4.4 Ecological Impact Factor ......................................................... 5 1 3 Survey Of Influence On Surrounding Environment By Project .............. ... 53 3. I Sur Of Naturalvey Environment ... ................................................ ... 53 3.1. I Geographic Location ............................................................ ... 53 3.1.2 Geography And Geologic Features ............................................. ... 53 3.1.3 The Hydro-Geological Conditions ............................................. ... 57 3.1.4 The Climate And W eather ...................................................... ... 61 3.1.5 Surface Hydrology ........................ ... ...... ... ...... ... ...... ... ...... ... .. 63 3.2 General Survey Of Social Environment . ... 63 3.2.1 Urban Orientations ............................................................... ... 63 3.2.2 Introduction To Hangzhou's General Project ................................. ... 64 3.2.3 Economic And Social Development ........................................ ... 64 3.2.4 Situation And Project Of The Collection. Transportation, And Treatment Of Living Refuse In Hangzhou . .................................................. ... 64 3.2.5 The Situation And Project Of Dangerous Refuse Treatment ............... ... 65 3.2.6 Situation And Project Of Sewage Treatment System In Hangzhou ...... ... 66 3.2.7 Situation Of Surrounding Areas And Some Sensitive Areas ............... ... 67 3.3 Present Survey Of Environmental Quality ....................................... ... 67 3.3.1 Surface Water . .67 3.3.2 Ground Water ... .69 Environmental Science Research & Design Institute Of Zhejiang Province No. 111, Tianmushan Road, Hangzhou, P.R. China 15 Report on Hangzhou No. 2 Municipal Solid Waster Landfill 3.3.3 Environmental Air ............................................................... ... 73 3.4 Ecological Environment Overview ... 83 3.4.1 Present Ecological Environment Of The Landfill Site ...................... 83 3.4.2 Present Ecological Environment Of The Soil Sources . 84 4 Effects On Environment And Redeeming Measures During Operating Period 87 4.1 Effects On Surface Water Environment And Redeeming Measures ......... ... 87 4.1.1 Analysis Of Effects On The Environment Of Yanshan River .. 87 4.1.2 Effects On The Running Of Hangzhou Sibao Sewage Treatment Plant ...... 87 4.1.3 Redeeming Measures For Leachate Pollution ................................. ... 88 4.1.3.1 Control The Production Of Leachate . ......................................... 88 4.1.3.2 Sewage Disposal Measures ................................................... ... 88 4.1.4 Retarding Measures For Living Sewage And Production Sewage ............ 95 4.1.5 Retarding Measures For Sludge Pollution In Sewage Treatment Station... 96 4.2 Prediction And Evaluation Of Groundwater Environment . 96 4.2. 1 Main Effect Factors .... ............................ 96 4.2.2 Retarding Measures . 97 4.3 Filled Exhaust Gas's Effects On Environment And Retarding Measures ... ... 98 4.3. I Predicating Mode ..................................................................... 98 4.3.2 Analysis Of Pollution Weather Characteristics . ............................. ... 98 4.3.3 Pervasion Parameters .............................................................