Final Report Volume Ii Main Report
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JAPAN INTERNATIONAL COOPERATION AGENCY (JICA) STATE WORKING GROUP FOR CLEANING UP, CONSERVATION AND DEVELOPMENT FOR THE HAVANA BAY (GTE) THE REPUBLIC OF CUBA THE DEVELOPMENT STUDY ON THE IMPROVEMENT OF SEWERAGE AND DRAINAGE SYSTEM FOR THE HAVANA BAY IN THE REPUBLIC OF CUBA FINAL REPORT VOLUME II MAIN REPORT MARCH 2004 NIHON SUIDO CONSULTANTS CO., LTD. Volume II Main Report Table of Contents THE DEVELOPMENT STUDY ON THE IMPROVEMENT OF SEWERAGE AND DRAINAGE SYSTEM FOR THE HAVANA BAY IN THE REPUBLIC OF CUBA TABLE OF CONTENTS VOLUME I EXECUTIVE SUMMARY VOLUME II MAIN REPORT VOLUME III SUPPORTING REPORT IN SPANISH VOLUMEN IV RESUMEN EJECTIVO (EXECUTIVE SUMMARY) VOLUMEN V INFORME PRINCIPAL (MAIN REPORT) VOLUME II MAIN REPORT PART -I MASTER PLAN TABLE OF CONTENTS LIST OF TABLES LIST OF FIGURES ABBREVIATIONS CHAPTER 1 INTRODUCTION 1.1 BACKGROUNDS....................................................................................................M1-1 1.2 REPORTS.................................................................................................................M1-2 1.3 STUDY AREA .........................................................................................................M1-3 1.4 STUDY ORGANIZATION AND STAFFING .........................................................M1-4 1.4.1 STUDY ORGANIZATION .............................................................................M1-4 1.4.2 COUNTERPART STAFF................................................................................M1-4 1.4.3 STUDY TEAM ............................................................................................M1-5 1.5 STUDY SCHEDULE...............................................................................................M1-6 1.5.1 OVERALL STUDY SCHEDULE ....................................................................M1-6 1.5.2 PHASE I AND PHASE II STUDY SCHEDULE ....................................M1-6 CHAPTER 2 PHYSICAL AND SOCIO-ECONOMIC CONDITIONS IN THE STUDY AREA 2.1 PHYSICAL CONDITIONS......................................................................................M2-1 2.1.1 GEOLOGY AND TOPOGRAPHY ...................................................................M2-1 2.1.2 METEOROLOGY.........................................................................................M2-1 2.1.3 HYDROLOGY.............................................................................................M2-2 2.2 SOCIO-ECONOMIC CONDITIONS ....................................................................M2-3 2.2.1 POPULATION..............................................................................................M2-3 2.2.2 ECONOMIC CONDITIONS ...........................................................................M2-5 2.2.3 PUBLIC HEALTH CONDITIONS ...................................................................M2-10 i Volume II Main Report Table of Contents 2.3 URBAN INFRASTRUCTURE ................................................................................M2-13 2.3.1 URBAN PLANNING AND LAND USE...........................................................M2-13 2.3.2 WATER SUPPLY CONDITIONS AND FUTURE PLAN .....................................M2-13 2.3.3 SOLID WASTES MANAGEMENT .................................................................M2-14 CHAPTER 3 ENVIRONMENTAL CONDITIONS, LAWS AND STANDARDS 3.1 GENERAL ..............................................................................................................M3-1 3.2 TRIBUTARY RIVERS ...........................................................................................M3-1 3.2.1 EXISTING DATA OF RIVER WATER QUALITY.............................................M3-1 3.2.2 WATER AND SEDIMENT QUALITY SURVEY OF RIVERS ..............................M3-3 3.3 HAVANA BAY .........................................................................................................M3-9 3.3.1 EXISTING DATA .........................................................................................M3-9 3.3.2 WATER AND SEDIMENT QUALITY SURVEY OF HAVANA BAY ....................M3-15 3.4 INDUSTRIAL WASTEWATER .............................................................................M3-22 3.4.1 PREVIOUS SURVEYS..................................................................................M3-22 3.4.2 RESULTS OF INDUSTRIAL WASTEWATER SURVEYS.....................................M3-25 3.4.3 SUMMARY OF SURVEYS ............................................................................M3-33 3.5 LAWS AND STANDARDS ON WATER POLLUTION CONTROL.......................................M3-34 3.5.1 ENVIRONMENTAL LAW (GENERAL LAW)..................................................M3-34 3.5.2 WATER POLLUTION CONTROL ..................................................................M3-35 3.5.3 STANDARDS ..............................................................................................M3-35 3.5.4 DISCHARGE QUALITY STANDARDS TO SEWERS........................................M3-37 3.5.5 EFFLUENT QUALITY STANDARDS .............................................................M3-39 3.5.6 ENVIRONMENTAL QUALITY STANDARDS FOR FISHING WATERS ..............M3-39 CHAPTER 4 PRESENT POLLUTION LOAD ANALYSIS AND WATER QUALITY SIMULATION MODEL OF HAVANA BAY 4.1 GENERALS .............................................................................................................M4-1 4.1.1 POLLUTION LOAD ANALYSIS ....................................................................M4-1 4.1.2 WATER QUALITY SIMULATION MODEL OF HAVANA BAY..........................M4-1 4.2 POLLUTION LOADS..............................................................................................M4-1 4.2.1 METHODOLOGY ........................................................................................M4-1 4.2.2 POLLUTION LOAD GENERATED.................................................................M4-2 4.2.3 POLLUTION LOAD DISCHARGED ...............................................................M4-3 4.2.4 FURTHER WORK........................................................................................M4-4 4.3 WATER QUALITY SIMULATION MODEL ........................................................M4-5 4.3.1 METHODOLOGY ........................................................................................M4-5 4.3.2 HYDRODYNAMIC SIMULATION OF HAVA NA BAY ......................................M4-5 4.3.3 WATER QUALITY SIMULATION OF HAVAN A BAY ......................................M4-24 4.3.4 CALIBRATING AND VERIFYING THE WATER QUALITY MODEL.................M4-31 4.4 TIDAL CURRENT SURVEY ..................................................................................M4-41 4.4.1 RESULTS OF TIDAL CURRENT SURVEY .....................................................M4-43 ii Volume II Main Report Table of Contents CHAPTER 5 EXISTING SEWERAGE SYSTEM AND FUTURE PLANS 5.1 GENERAL................................................................................................................M5-1 5.2 EXISTING SEWERAGE SYSTEM ........................................................................M5-1 5.2.1 PRESENT SEWER SERVICE AREA/DISTRICTS.............................................M5-1 5.2.2 SEWERS.....................................................................................................M5-1 5.2.3 CROSS CONNECTION SURVEY...................................................................M5-4 5.2.4 WASTEWATER PUMPING STATION .............................................................M5-7 5.2.5 REHABILITATION PLAN OF EXISTING WASTEWATER TRANSMISSION FACILITIES.................................................................................................M5-9 5.2.6 WASTEWATER TREATMENT PLANT ...........................................................M5-10 5.3 PRESENT SEWERAGE DEVELOPMENT PLANS ..............................................M5-12 5.3.1 GEF/UNDP PROJECT................................................................................M5-12 CHAPTER 6 EXISTING DRAINAGE SYSTEM 6.1 GENERAL................................................................................................................M6-1 6.2 EXISTING DRAINAGE SYSTEM .........................................................................M6-1 6.2.1 PRESENT DRAINAGE SERVICE AREA .........................................................M6-1 6.2.2 INUNDATION AREA AND DAMAGES...........................................................M6-3 6.2.3 PHYSICAL CONDITIONS OF DRAINAGE SYSTEM .......................................M6-4 6.2.4 HYDRAULIC CAPACITY OF DRAINAGE SYSTEM........................................M6-5 6.2.5 OTHER FINDINGS.......................................................................................M6-8 6.3 FUTURE PLANS .....................................................................................................M6-9 6.4 WASTEWATER DISCHARGE FROM DRAINAGE CHANNELS........................M6-11 6.3.1 EXISTING DATA .........................................................................................M6-11 6.3.2 WATER QUALITY SURVEYS IN DRAINAGE CHANNELS AND SEWER ..........M6-11 CHAPTER 7 PRESENT ORGANIZATION 7.1 GENERAL................................................................................................................M7-1 7.2 INSTITUTIONS RELATED TO HAVANA BAY WATER ENVIRONMENT........M7-1 7.2.1 CENTRAL GOVERNMENT INSTITUTIONS ...................................................M7-1 7.2.2 OTHER INSTITUTIONS ...............................................................................M7-4 7.3 GTE...........................................................................................................................M7-4