Onitsha Urban Storm Water Master Plan

Onitsha Urban Storm Water Master Plan: Volume IV Site Specfic ESIA & ESMP – March 2019

TABLE OF CONTENTS

ONITSHA URBAN STORMWATER MANAGEMENT MASTER PLAN

DOCUMENTATION & REPORT QUALITY CONTROL ………………………………………………………………………….. iii
TABLE OF CONTENTS ………………………………………………………………………………………………………………….. iv
ABBREVIATION/ ACRONYM ………………………………………………………………………………………………………….. 1
1. EXECUTIVE SUMMARY ……………………………………………………………………………………………………….. 2
2. SITE SPECIFIC ESIA AND ESMP ………………………………………………………………………………………….. 5
2.1 Introduction …………………………………………………………………………………………………………………. 5
2.2 Site Specific ESIA & ESMP ……………………………………………………………………………………………… 5
2.3 Site Specific ESIA, ESMP and estimates for Compensation …………………………………………. 5
3. SOME PICTURES OF THE ENVIRONMENTAL PROBLEMS/IMPACTS OF FLOODING AND EROSION ………………………………………………………………………………………………………………………………… 25
Part I: Pictures that shows the Specific Intervention sites …………………………………………………. 25
Part II: Pictures of the Environmental Problems/Impacts of Flooding and Erosion …………… 29
4. CONCLUSION AND RECOMMENDATIONS………………………………………………………………………….. 32
5. REFERENCES …………………………………………………………………………………………………………………… 33

Published: November 27, 2019
Onitsha Urban Storm Water Master Plan: VOLUME II Appendices – March 2019

LIST OF APPENDICES

ONITSHA URBAN STORMWATER MANAGEMENT MASTER PLAN

APPENDIX I HYDROLOGY, MAPS ………………………………………………………………………………………. 5
APPENDIX II CATCHMENT AREA FLOWS …………………………………………………………………………….. 9
APPENDIX III: CHARACTERISTICS OF SOIL MAPPING UNIT IN ANAMBRA BASIN ………………………….. 14
APPENDIX IV: PEAK RUNOFF OF EXISTING HYDRAULIC STRUCTURES IN ONITSHA NORTH LGA ……… 30
APPENDIX V: PEAK RUNOFF OF EXISTING HYDRAULIC STRUCTURES IN ONITSHA SOUTH LGA……….. 65
APPENDIX VI – PEAK RUNOFF OF EXISTING HYDRAULIC STRUCTURES IN IDEMILI NORTH LGA……….. 78
APPENDIX VII: PEAK RUNOFF OF EXISTING HYDRAULIC STRUCTURES IN IDEMILI SOUTH LGA ……….. 82
APPENDIX VIII: PEAK RUNOFF OF EXISTING HYDRAULIC STRUCTURES SAKAMORI DRAINS. ………….. 86
APPENDIX IX: RECOMMENDED STORM WATER PRACTICE & ADMINISTRATION ………………………… 96
APPENDIX X: QUESTIONNAIRE FOR ENVIRONMENTAL AND SOCIAL IMPACT ASSESSMENT ……….. ………………………………………………………………………………………………………………. 172
APPENDIX XI: METHODOLOGY FOR ENVIRONMENTAL AND SOCIAL IMPACT ASSESSMENT ………. ………………………………………………………………………………………………………………. 176
APPENDIX XII: ENVIRONMENTAL AND SOCIAL SCREENING CHECKLIST……………………………… 177
APPENDIX XIII: PROJECT SPECIFIC SCREENING OF SOCIAL AND ENVIRONMENTAL COMPONENTS. …………………………………………………………………………………………………………….. 179
APPENDIX XIV: RESULTS OF DATA ANALYSIS …………………………………………………………………. 181
APPENDIX XV: STUDY ON SOLID WASTE MANAGEMENT OF ONITSHA TOWN …………………….. 189
APPENDIX XVI: COST ESTIMATE OPTION 1 …………………………………………………………………….. 193
APPENDIX XVII: COST ESTIMATE OPTION 2 ……………………………………………………………………. 207
APPENDIX XVIII: LIS OF HYDRAULIC STRUCTURES INVENTORY IN ONITSHA ……………………………… 220

Published: November 27, 2019
Onitsha Urban Storm Water Master Plan: Execuitive Summary March 2019

CONTENTS OF REPORT

ONITSHA URBAN STORMWATER MANAGEMENT MASTER PLAN

VOLUME I: MAIN REPORT (FINAL)
VOLUME II: APPENDICES
VOLUME III: ALBUM OF MAPS & DRAWINGS
VOLUME IV: SITE SPECFIC ESIA & ESMP EXECUITIVE SUMMARY

Published: November 27, 2019
Onitsha Urban Storm Water Master Plan: Volume I Main & Final Report

CONTENTS OF REPORT

ONITSHA URBAN STORMWATER MANAGEMENT MASTER PLAN

VOLUME I: MAIN REPORT (FINAL)
VOLUME II: APPENDICES
VOLUME III: ALBUM OF MAPS & DRAWINGS
VOLUME IV: SITE SPECFIC ESIA & ESMP EXECUITIVE SUMMARY

Published: November 24, 2019
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