Republic of Kenya Coast Water Works Development Agency
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REPUBLIC OF KENYA Public Disclosure Authorized COAST WATER WORKS DEVELOPMENT AGENCY WATER AND SANITATION DEVELOPMENT PROGRAM (WSDP) Preparation of Detailed Designs, Preliminary ESIA/RAP and Tender Documents for Water Distribution Works for Mombasa and 3WSPs Contract No. CWSB/WaSSIP-AF/C/34/2017 Public Disclosure Authorized Public Disclosure Authorized ENVIRONMENTAL & SOCIAL IMPACT ASSESSMENT (ESIA) PROJECT REPORT FOR THE PROPOSED WATER DISTRIBUTION SHORT TERM WORKS FOR MOMBASA NORTH MAINLAND Consultant: MANGAT, I.B. PATEL (MIBP) LIMITED CONSULTING ENGINEERS P.O. BOX 48674, 00100 - GPO NAIROBI, KENYA E-mail: [email protected] Public Disclosure Authorized Tel: +254 - 20 - 2710500 Mobile: +254 - 725 321 201 NOVEMBER 2020 Preparation of Detailed Designs, Preliminary ESIA/RAP ENVIRONMENTAL & SOCIAL IMPACT ASSESSMENT (ESIA) and Tender Documents for Water Distribution Works for PROJECT REPORT FOR THE PROPOSED WATER DISTRIBUTION Mombasa and 3WSPs SHORT TERM WORKS FOR MOMBASA NORTH MAINLAND “DOCUMENT CONTROL” The document was prepared under WATER AND SANITATION SERVICE IMPROVEMENT PROJECT – ADDITIONAL FINANCING (WASSIP-AF) while its implementation is under WATER AND SANITATION DEVELOPMENT PROGRAM(WSDP) Preparation of Detailed Designs, Preliminary ESIA/RAP and Tender Documents for Water Distribution Works for Mombasa and 3WSPs Contract No. CWSB/WaSSIP-AF/C/34/2017 EMPLOYER: Coast Water Works Development Agency (CWWDA) CONSULTANT: DOCUMENT TITLE: ENVIRONMENTAL & SOCIAL IMPACT ASSESSMENT (ESIA) PROJECT REPORT FOR THE PROPOSED WATER DISTRIBUTION SHORT TERM WORKS FOR MOMBASA NORTH MAINLAND VERSION 03 RECORDS FOR REVISION PREPARED CHECKED APPROVED VER.: DATE: DESCRIPTION/PURPOSE OF ISSUE: BY: BY: BY: ESIA Project Report for The Proposed 01 09/03/2020 Water Distribution Short Term Works for G.L Sakwa E.I. Muriithi R.S. Rupra Mombasa North Mainland ESIA Project Report for The Proposed 02 26/03/2020 Water Distribution Short Term Works for G.L. Sakwa E.I. Muriithi R.S. Rupra Mombasa North Mainland MIBP Preparation of Detailed Designs, Preliminary ESIA/RAP ENVIRONMENTAL & SOCIAL IMPACT ASSESSMENT (ESIA) and Tender Documents for Water Distribution Works for PROJECT REPORT FOR THE PROPOSED WATER DISTRIBUTION Mombasa and 3WSPs SHORT TERM WORKS FOR MOMBASA NORTH MAINLAND ESIA Project Report for The Proposed 03 29/05/2020 Water Distribution Short Term Works for G.L. Sakwa E.I. Muriithi R.S. Rupra Mombasa North Mainland MIBP Preparation of Detailed Designs, Preliminary ESIA/RAP ENVIRONMENTAL & SOCIAL IMPACT ASSESSMENT (ESIA) and Tender Documents for Water Distribution Works for PROJECT REPORT FOR THE PROPOSED WATER DISTRIBUTION Mombasa and 3WSPs SHORT TERM WORKS FOR MOMBASA NORTH MAINLAND WATER AND SANITATION SERVICE IMPROVEMENT PROJECT – ADDITIONAL FINANCING (WASSIP-AF) Preparation of Detailed Designs, Preliminary ESIA/RAP and Tender Documents for Water Distribution Works for Mombasa and 3WSPs Contract No. CWSB/WaSSIP-AF/C/34/2017 TABLE OF CONTENTS E. EXECUTIVE SUMMARY ......................................................................................................... 1 E.1 BACKGROUND INFORMATION ............................................................................................................. 1 E.2 STUDY AREA DELINEATION AND EXISTING WATER SUPPLY SYSTEM ................................................... 1 E.2.1 STUDY AREA DELINEATION ......................................................................................................................... 2 E.2.2 EXISTING WATER SUPPLY SYSTEM ............................................................................................................... 2 E.2.3 BULK WATER SUPPLY SYSTEM .................................................................................................................... 2 E.2.4 WATER SUPPLY TO MOMBASA NORTH MAINLAND ........................................................................................ 2 E.3 PROPOSED WORKS FOR MOWASSCO WATER DISTRIBUTION NETWORK ............................................ 2 E.3.1 PLANNING HORIZONS ............................................................................................................................... 2 E.3.2 CATEGORIZATION OF PROPOSED WORKS ................................................................................... 3 E.3.3 SUMMARY OF PROPOSED WORKS ................................................................................................ 3 E.4 OBJECTIVES OF THE ESIA ASSESSMENT ................................................................................................ 3 E.5 APPROACH AND METHODOLOGY ........................................................................................................ 4 E.6 POLICY, LEGAL AND ADMINISTRATIVE FRAMEWORK .......................................................................... 4 E.7 STAKEHOLDER AND PUBLIC CONSULTATIONS ..................................................................................... 6 E.8 PROJECT SENSITIVE RECEPTORS .......................................................................................................... 7 E.9 PROJECT IMPACTS ................................................................................................................................ 9 E.9.1 POSITIVE IMPACTS DURING CONSTRUCTION PHASE ........................................................................................ 9 E.9.2 POSITIVE IMPACTS DURING OPERATION PHASE ......................................................................... 9 E.9.3 NEGATIVE IMPACTS AND MITIGATION MEASURES DURING CONSTRUCTION STAGE ................. 9 E.9.4 NEGATIVE IMPACTS AND MITIGATION MEASURES DURING PROJECT OPERATION PERIOD ...17 E.10 CONCLUSIONS ....................................................................................................................................17 1 BACKGROUND INFORMATION ........................................................................................... 1-1 1.1 GENERAL INFORMATION ........................................................................................................................ 1-1 1.2 PROJECT BACKGROUND ......................................................................................................................... 1-3 1.3 PROJECT IMPLEMENTING AGENCY ........................................................................................................... 1-4 2 STUDY AREA DELINEATION AND EXISTING WATER SUPPLY SYSTEM .................................... 2-1 2.1 DELINEATION OF MOWASSCO AREA ..................................................................................................... 2-1 2.2 EXISTING WATER SUPPLY SYSTEM ........................................................................................................... 2-2 2.2.1 Bulk Water Supply System ............................................................................................................... 2-2 2.2.2 Water Supply to Mombasa North Mainland ................................................................................... 2-4 3 PROPOSED WORKS FOR MOWASSCO WATER DISTRIBUTION NETWORK ............................. 3-1 MIBP i Preparation of Detailed Designs, Preliminary ESIA/RAP ENVIRONMENTAL & SOCIAL IMPACT ASSESSMENT (ESIA) and Tender Documents for Water Distribution Works for PROJECT REPORT FOR THE PROPOSED WATER DISTRIBUTION Mombasa and 3WSPs SHORT TERM WORKS FOR MOMBASA NORTH MAINLAND 3.1 PLANNING HORIZONS ........................................................................................................................... 3-1 3.2 CATEGORIZATION OF PROPOSED WORKS .................................................................................................. 3-1 3.3 PROPOSED WORKS ............................................................................................................................... 3-3 3.4 INVESTMENT REQUIREMENTS FOR MOMBASA NORTH MAINLAND................................................................ 3-5 4 APPROACH AND METHODOLOGY ...................................................................................... 4-1 4.1 SCREENING FOR ENVIRONMENT AND SOCIAL IMPACTS ................................................................................ 4-1 4.2 OBJECTIVES OF THE ESIA ASSESSMENT .................................................................................................... 4-1 4.3 ESIA METHODOLOGY ........................................................................................................................... 4-1 4.3.1 Environment and Social Scoping ..................................................................................................... 4-2 4.3.2 Desk Review 4-2 4.3.3 Field Assessment ............................................................................................................................. 4-3 4.3.4 Data collection and Site Surveys...................................................................................................... 4-3 4.3.5 Flora and Fauna Surveys .................................................................................................................. 4-3 4.3.6 Socio-Economic Baseline ................................................................................................................. 4-3 4.3.7 Secondary and Primary Data ........................................................................................................... 4-3 4.3.8 Public Participation .........................................................................................................................