No. JAPAN INTERNATIONAL COOPERATION AGENCY (JICA) NATIONAL RIVER CONSERVATION DIRECTORATE (NRCD) MINISTRY OF ENVIRONMENT AND FORESTS THE STUDY ON WATER QUALITY MANAGEMENT PLAN FOR GANGA RIVER IN THE REPUBLIC OF INDIA FINAL REPORT VOLUME IV FEASIBILITY STUDY FOR PROJECT CITIES VOLUME IV-3 FEASIBILITY STUDY FOR ALLAHABAD CITY PART I SEWERAGE SCHEME JULY 2005 TOKYO ENGINEERING CONSULTANTS CO., LTD. CTI ENGINEERING INTERNATIONAL CO., LTD. GE JR 05-038 JAPAN INTERNATIONAL COOPERATION AGENCY (JICA) NATIONAL RIVER CONSERVATION DIRECTORATE (NRCD) MINISTRY OF ENVIRONMENT AND FORESTS THE STUDY ON WATER QUALITY MANAGEMENT PLAN FOR GANGA RIVER IN THE REPUBLIC OF INDIA FINAL REPORT VOLUME IV FEASIBILITY STUDY FOR PROJECT CITIES VOLUME IV-3 FEASIBILITY STUDY FOR ALLAHABAD CITY PART I SEWERAGE SCHEME JULY 2005 TOKYO ENGINEERING CONSULTANTS CO., LTD. CTI ENGINEERING INTERNATIONAL CO., LTD. Foreign Exchange Rate: Master Plan US$ 1 = JPY 109.09 US$ 1 = Rs 45.33 (As of March 2004) Feasibility Study US$ 1 = JPY 103.66 US$ 1 = Rs 43.70 (As of February 2005) FINAL REPORT ON WATER QUALITY MANAGEMENT PLAN FOR GANGA RIVER JULY 2005 GENERAL TABLE OF CONTENTS VOLUME I SUMMARY VOLUME II RIVER POLLUTION MANAGEMENT PLAN VOLUME III MASTER PLAN FOR PROJECT CITIES VOLUME III-1 SEWERAGE MASTER PLAN FOR LUCKNOW CITY VOLUME III-2 SEWERAGE MASTER PLAN FOR KANPUR CITY VOLUME III-3 SEWERAGE MASTER PLAN FOR ALLAHABAD CITY VOLUME III-4 SEWERAGE MASTER PLAN FOR VARANASI CITY VOLUME III-5 NON-SEWERAGE SCHEME VOLUME III-6 SOCIAL CONSIDERATION AND HYGIENE EDUCATION PLAN VOLUME III-7 RECOMMENDATIONS ON SOLID WASTE MANAGEMENT VOLUME III-8 GIS DATA MANAGEMENT VOLUME III-9 INSTITUTIONAL DEVELOPMENT PROGRAMME VOLUME III-10 FINANCIAL AND ECONOMIC EVALUATION VOLUME III-11 (SUPPORTING REPORT) CASE STUDY OF SEWAGE TREATMENT PLANTS VOLUME IV FEASIBILITY STUDY FOR PROJECT CITIES VOLUME IV-1 FEASIBILITY STUDY FOR LUCKNOW CITY PART I SEWERAGE SCHEME PART II NON-SEWERAGE SCHEME PART III PUBLIC PARTICIPATION AND AWARENESS PROGRAMME PART IV INSTITUTIONAL DEVELOPMENT PROGRAMME PART V ECONOMIC AND FINANCIAL EVALUATION PART VI STAKEHOLDER MEETING PART VII DRAWINGS VOLUME IV-2 FEASIBILITY STUDY FOR KANPUR CITY PART I SEWERAGE SCHEME PART II NON-SEWERAGE SCHEME PART III PUBLIC PARTICIPATION AND AWARENESS PROGRAMME PART IV INSTITUTIONAL DEVELOPMENT PROGRAMME PART V ECONOMIC AND FINANCIAL EVALUATION PART VI STAKEHOLDER MEETING PART VII DRAWINGS VOLUME IV-3 FEASIBILITY STUDY FOR ALLAHABAD CITY PART I SEWERAGE SCHEME PART II NON-SEWERAGE SCHEME PART III PUBLIC PARTICIPATION AND AWARENESS PROGRAMME PART IV INSTITUTIONAL DEVELOPMENT PROGRAMME PART V ECONOMIC AND FINANCIAL EVALUATION PART VI STAKEHOLDER MEETING PART VII DRAWINGS VOLUME IV-4 FEASIBILITY STUDY FOR VARANASI CITY PART I SEWERAGE SCHEME PART II NON-SEWERAGE SCHEME PART III PUBLIC PARTICIPATION AND AWARENESS PROGRAMME PART IV INSTITUTIONAL DEVELOPMENT PROGRAMME PART V ECONOMIC AND FINANCIAL EVALUATION PART VI STAKEHOLDER MEETING PART VII DRAWINGS VOLUME V PILOT PROJECT FOR SANITARY IMPROVEMENT OF MANIKARNIKA GHAT VOLUME IV-3 PART I SEWERAGE SCHEME Table of Contents List of Tables List of Figures Appendix Abbreviations Glossary of Terms TABLE OF CONTENTS CHAPTER 1 GENERAL .................................................................................................................1-1 1.1 INTRODUCTION ..............................................................................................................1-1 1.1.1 Preamble .........................................................................................................................1-1 1.1.2 Objective of the Study ....................................................................................................1-1 1.1.3 Project City.....................................................................................................................1-1 1.1.4 Priority Projects ..............................................................................................................1-4 1.2 PLANNING BASIS............................................................................................................1-4 1.2.1 Design Horizon...............................................................................................................1-4 1.2.2 Population.......................................................................................................................1-4 1.2.3 Water Supply ..................................................................................................................1-5 1.2.4 Wastewater Generation...................................................................................................1-6 1.2.5 The Sewerage Districts...................................................................................................1-6 1.2.6 The Existing Sewerage System ......................................................................................1-7 1.2.7 Surface Drains ................................................................................................................1-8 1.3 DESIGN CRITERIA ..........................................................................................................1-8 1.3.1 General ...........................................................................................................................1-8 1.3.2 Design Criteria for Sewers .............................................................................................1-8 1.3.3 Design Criteria for Rising Mains..................................................................................1-16 1.3.4 Design Criteria for SPS ................................................................................................1-18 1.3.5 Design Criteria for Sewage Treatment Plants...............................................................1-19 1.3.6 Existing Sewers Condition Survey ...............................................................................1-23 1.3.7 Rehabilitation Techniques ............................................................................................1-23 1.4 COST ESTIMATE............................................................................................................1-27 i 1.4.1 Basis of Cost Estimate..................................................................................................1-27 1.5 PROJECT IMPLEMENTATION......................................................................................1-32 1.5.1 Contract Packages.........................................................................................................1-32 1.5.2 Recommendations for O&M ........................................................................................1-34 1.5.3 Private Sector Participation ..........................................................................................1-35 CHAPTER 2 PROVISIONS FOR DISTRICT A...........................................................................2-1 2.1 INTRODUCTION ..............................................................................................................2-1 2.1.1 General ...........................................................................................................................2-1 2.1.2 Population.......................................................................................................................2-1 2.1.3 Present and Future Wastewater Flows............................................................................2-1 2.1.4 Existing and Proposed Sewerage Pattern .......................................................................2-3 2.1.5 Proposed System.............................................................................................................2-3 2.1.6 Cost Summary................................................................................................................2-3 2.2 EXISTING SYSTEM DESCRIPTION ..............................................................................2-4 2.2.1 General ...........................................................................................................................2-4 2.2.2 Existing Trunk Sewers....................................................................................................2-4 2.2.3 Existing Pumping Stations and STP.............................................................................2-14 2.3 PROPOSED SEWER- GRAVITY AND RISING MAINS ..............................................2-31 2.3.1 Proposed System...........................................................................................................2-31 2.3.2 Proposed Gravity Sewers..............................................................................................2-31 CHAPTER 3 PROVISIONS OF DISTRICT D..............................................................................3-1 3.1 INTRODUCTION ..............................................................................................................3-1 3.1.1 General ...........................................................................................................................3-1 3.1.2 Population.......................................................................................................................3-1 3.1.3 Present and Future Wastewater Flows............................................................................3-1 3.1.4 Existing and Proposed Sewerage Pattern .......................................................................3-3 3.1.5 Proposed System.............................................................................................................3-3