REPUBLIC OF SENEGAL NATIONAL OFFICE OF SANITATION OF SENEGAL NATIONAL AGENCY FOR PUBLIC CLEANING OF SENEGAL THE PROJECT FOR TREATMENT OF SEWAGE, RAINWATER AND WASTES IN KAOLACK CITY IN THE REPUBLIC OF SENEGAL FINAL REPORT Volume I: Summary MARCH 2014 JAPAN INTERNATIONAL COOPERATION AGENCY (JICA) CTI ENGINEERING INTERNATIONAL CO., LTD EARTH AND HUMAN CORPORATION ៣១ូ ៦៮ូ ៍័៉៌៓័ូ REPUBLIC OF SENEGAL NATIONAL OFFICE OF SANITATION OF SENEGAL NATIONAL AGENCY FOR PUBLIC CLEANING OF SENEGAL THE PROJECT FOR TREATMENT OF SEWAGE, RAINWATER AND WASTES IN KAOLACK CITY IN THE REPUBLIC OF SENEGAL FINAL REPORT Volume I: Summary MARCH 2014 JAPAN INTERNATIONAL COOPERATION AGENCY (JICA) CTI ENGINEERING INTERNATIONAL CO., LTD EARTH AND HUMAN CORPORATION COMPOSITION OF FINAL REPORT Volume I : Summary Volume II : Main Report Volume II : Main Report Drawings and Design Notes CURRENCY EXCHANGE RATES USED IN “PART I: MASTER PLAN STUDY” OF THIS REPORT: EUR 1.00 = FCFA 655.957 = USD 1.305 = JPY 109.545 USD 1.00 = FCFA 502.649 = EUR 0.766 = JPY 83.943 JPY 100.00 = FCFA 598.823 = USD 1.191 = EUR 0.913 (As of December 2012) CURRENCY EXCHANGE RATES USED IN “PART II: FEASIBILITY STUDY” OF THIS REPORT: EUR 1.00 = FCFA 657.071 = USD 1.326 = JPY 130.100 USD 1.00 = FCFA 495.455 = EUR 0.754 = JPY 98.100 JPY 100.00 = FCFA 505.051 = USD 1.019 = EUR 0.769 (As of August 2013) Note: Tables and Figures without indication of source were made based on data or information collected directly or analyzed independently by the JICA Expert Team. LOCATION MAP Wastewater Discharged into Road Manual Pipe Cleaning Work Vacuum Cleaning Trucks with Water Jet Existing Pumping Station (PS No. 2) Existing Pumping Station (PS No. 3) Sewage Treatment Plant (Grit Chamber) Sewage Treatment Plant (Aerated Lagoon) Sewage Treatment Plant (Maturation Lagoon) PHOTOGRAPHS (SEWERAGE/SANITATION) Inundation Condition (Lowland Area) Inundation Condition (No Drainage System Area) Drainage by Mobile Pump Illegal Dumping of Solid Waste and Sediment in Drain (1) Illegal Dumping of Solid Waste and Sediment in Drain Sewer Pipe from Residence to Drainage Ditch (2) Excavated Earth Canal Obstacles in Open Drain PHOTOGRAPHS (DRAINAGE) Abandoned Waste Transfer Site (1) Abandoned Waste Transfer Site (2) ROC, Donkey Truck Illegal Waste Disposal Site (by ROC) Illegal Waste Disposal Site (Medina Mbaba) Hazardous Medical Wastes (Bongre) Existing Final Disposal Site Proposed Final Disposal Site (Mbaolakhoune Village) (Mbaolakhoune Village) PHOTOGRAPHS (SOLID WASTE) The Project for Treatment of Sewage, Rainwater and Wastes in Kaolack City, Summary The Republic of Senegal Final Report Location Map Photographs TABLE OF CONTENTS Table of Contents ......................................................................................................................... i List of Tables ............................................................................................................................. vii List of Figures ........................................................................................................................... viii List of Photos .............................................................................................................................. ix Abbreviations .............................................................................................................................. x PART I MASTER PLAN Chapter 1. Introduction ............................................................................................................ 1 1.1 Background .......................................................................................................................... 1 1.2 Project Objectives ................................................................................................................ 1 1.3 Project Area .......................................................................................................................... 1 1.4 Project Schedule ................................................................................................................... 2 1.5 Members of the JICA Expert Team ...................................................................................... 2 Chapter 2. Basic Conditions ..................................................................................................... 3 2.1 Outline of Kaolack City ....................................................................................................... 3 2.1.1 General .................................................................................................................... 3 2.1.2 Water Supply ........................................................................................................... 3 2.1.3 Meteorology ............................................................................................................ 4 2.1.4 Others ...................................................................................................................... 5 2.2 Economy and Organizations ................................................................................................ 6 2.2.1 Economic Aspects of Senegal ................................................................................. 6 2.2.2 Related Organizations ............................................................................................. 6 2.3 Sewerage .............................................................................................................................. 9 2.3.1 Sewer Network ........................................................................................................ 9 2.3.2 Sewage Treatment Plant ........................................................................................ 10 2.4 Stormwater Drainage .......................................................................................................... 11 2.4.1 Existing Stormwater Drainage Network ............................................................... 11 2.4.2 Maintenance of Drainage Network ....................................................................... 13 2.4.3 Flooding Conditions .............................................................................................. 13 2.5 Solid Waste Management ................................................................................................... 14 2.5.1 General Condition of Solid Waste Management ................................................... 14 2.5.2 Master Plan ............................................................................................................ 15 2.5.3 Current Solid Waste Management System ............................................................ 15 2.6 Environmental and Social Considerations ......................................................................... 18 CTI Engineering International Co., Ltd. i Earth and Human Corporation The Project for Treatment of Sewage, Summary Rainwater and Wastes in Kaolack City, Final Report Republic of Senegal 2.6.1 Laws and Guidelines on Environmental Considerations ....................................... 18 2.6.2 SEA/EIA Process ................................................................................................... 19 2.6.3 Environmental Plan and Policy in Senegal ............................................................ 22 2.6.4 Environmental and Social Conditions in Kaolack City ......................................... 22 Chapter 3. Overall Planning Concept ....................................................................................23 3.1 National Development Context ..........................................................................................23 3.2 Planning Concept ................................................................................................................23 3.2.1 Visions and Objectives .......................................................................................... 23 3.2.2 Target Year and Planning Area .............................................................................. 24 3.3 Population Projection of Kaolack City ...............................................................................24 Chapter 4. Sewerage/Sanitation System Improvement Plan ...............................................25 4.1 Planning Concept ................................................................................................................25 4.1.1 Planning Objectives ............................................................................................... 25 4.1.2 Planning Strategy ................................................................................................... 25 4.1.3 Target Year ............................................................................................................. 25 4.2 Future Improvement Frame Projection ...............................................................................25 4.2.1 Districts Related to the Sewerage/Sanitation System Improvement Plan ............. 25 4.2.2 Population .............................................................................................................. 26 4.2.3 Future Demand Projection ..................................................................................... 26 4.2.4 Design Conditions ................................................................................................. 27 4.3 Development Concept of Sewerage/Sanitation System .....................................................28 4.3.1 Alternative Study for Improvement