EIA for the Proposed Construction of a Sewage Outfall Pipeline at Hulhumale Phase
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ENVIRONMENTAL IMPACT ASSESSMENT FOR THE PROPOSED CONSTRUCTION OF A SEWAGE OUTFALL PIPELINE AT HULHUMALÉ PHASE I March 2021 Project Proponent EIA Consultant Malè Water and Sewerage Company CDE Consuulting th Fen Building, 5th Floor H. Orchidmaage, 4 Floor Ameenee Magu, Ameeru Ahmed Magu, Malè, Maldives Malé, Maldives Tel: 3323209 އެޅުމުގެ ހޮޅިއެއް ނަރުދަމާ ގައި 1 ފޭސް ހުޅުމާލެ އަސަރުތައް ކޮށްފާނެ ތިމާވެއްޓަށް ން ބު ބަ ސަ ރިޕޯޓު ބަޔާންކުރާ 2021 ޗރމާް ކޮންސަލްޓަންޓް އޭ . އައި .އީ އެދިޔާރު ޢޫގުެ ޝރމަް ކޮންސަލްޓިންގް އީ .ޑީ .ސީ ޭލާމ ރަޓޯވ ްޑްނެއ ްސ ަވ ޭރ ްޖ ީނެޕްނޮކ ހ . ެާގްމކިޯއޑ ، 4 ަނަވ ިިފލްގަފނ ާ ، ިލގފ ްނެފ ްގްނިޑްލިބ ، 5 ަނަވ ިިފލްގަފނ ާ ، ުރީމައ ުދަމުހައ ުގަމ ،ުަ ީނީމައ ުގަމ ، ެލާމ ، ެޖްއާރިހެވިދ ެލާމ ، ެޖްއާރިހެވިދ 3323209 : ފޯނު EIA for the proposed Construction of a sewage outfall pipeline at Hulhumalé Phase I Document Information Document Final Draft Prepared by MF (CDE) Reviewed by ANG (MWSC) Approved by MWSC Date 22 April 2021 Comments - Prepared by: CDE Consulting Page|iii EIA for the proposed Construction of a sewage outfall pipeline at Hulhumalé Phase I Table of Contents Table of Contents ........................................................................................................................... iv List of Figures ................................................................................................................................. x List of Tables ................................................................................................................................. xi List of Abbreviations ................................................................................................................... xiii Acknowledgement ....................................................................................................................... xiv Lead Consultant’s Declaration ..................................................................................................... xv Proponent’s Declaration .............................................................................................................. xvi Executive Summary .................................................................................................................... xvii 1 INTRODUCTION ................................................................................................................... 4 1.1 Project Title 4 1.2 Project Proponent 4 1.3 Purpose and Nature of the Project 4 1.3.1 Project Background ...................................................................................................... 4 1.3.2 Project Objectives ........................................................................................................ 5 1.3.3 Project Financing ......................................................................................................... 5 1.4 Project Location 5 1.5 This Environmental Impact Assessment 8 1.5.1 Terms of Reference ....................................................................................................... 8 1.5.2 Objectives of the EIA .................................................................................................... 8 1.5.3 Structure of the EIA ...................................................................................................... 9 1.5.4 Study Team ................................................................................................................... 9 2 ASSESSMENT METHODOLOGY ..................................................................................... 10 2.1 Scoping consultation 10 2.2 Literature review 10 2.3 Socio-economic Data 11 2.4 Study Area Boundary 11 2.5 Field Surveys 11 2.5.1 Coral Reef Assessment ............................................................................................... 11 2.5.2 Tide and Wave Data ................................................................................................... 12 2.5.3 Bathymetry Survey ...................................................................................................... 12 2.5.4 Groundwater Quality Assessment .............................................................................. 13 2.5.5 Seawater Quality Assessment ..................................................................................... 13 2.5.6 Terrestrial Survey ....................................................................................................... 13 Prepared by: CDE Consulting Page|iv EIA for the proposed Construction of a sewage outfall pipeline at Hulhumalé Phase I 2.5.7 Stakeholder Consultations .......................................................................................... 13 2.6 Impact Assessment Methodology 16 2.7 Potential Data Gaps and Limitations of the study 21 3 DETAILED PROJECT DESCRIPTION .............................................................................. 22 3.1 Outline of Project Activities 22 3.2 Sewage Outfall Pipeline Design 22 3.3 Detailed Description of Project Components 24 3.3.1 Site setup and Preparatory works .............................................................................. 24 3.3.2 Onshore pipeline Installation ..................................................................................... 24 3.3.3 Pipeline installation at beach ..................................................................................... 25 3.3.4 Sea outfall pipeline installation on the reef ............................................................... 25 3.3.5 Pipeline testing ........................................................................................................... 25 3.3.6 Demobilization ........................................................................................................... 26 3.3.7 Operation Phase Activities ......................................................................................... 26 3.4 Project Schedule 26 3.5 Work Force and Services 26 3.5.1 Accommodation .......................................................................................................... 26 3.5.2 Services ....................................................................................................................... 27 3.5.3 Hours of Operation .................................................................................................... 27 3.6 Utilities 27 3.7 Waste Management, Logistics and Safety Measures 27 3.7.1 Construction Waste Management and Disposal ........................................................ 27 3.7.2 Pollution and Emission Control Measures ................................................................ 28 3.7.3 Occupation Health and Safety measures ................................................................... 28 3.7.4 Traffic management during construction ................................................................... 28 3.7.5 Fire Prevention .......................................................................................................... 29 3.8 Summary of Project Inputs and Outputs 29 4 POLICY AND LEGAL FRAMEWORK .............................................................................. 31 4.1 Identification of Risks and Impacts 31 4.1.1 Environment Protection and Preservation Act (4/93) ................................................ 31 4.1.2 Environmental Impact Assessment Regulation .......................................................... 32 4.1.3 Decentralized Decision Making ................................................................................. 33 4.1.4 Project Licensing ........................................................................................................ 34 4.1.5 Stakeholder Engagement and Information Disclosure .............................................. 34 4.1.6 Environmental Liability .............................................................................................. 34 Prepared by: CDE Consulting Page|v EIA for the proposed Construction of a sewage outfall pipeline at Hulhumalé Phase I 4.2 Land Acquisition and Restriction on Land Use 35 4.3 Biodiversity Conservation 36 4.4 Protection of Heritage 39 4.5 Labour and Working Conditions 40 4.6 Community Health, Safety and Security 43 4.7 Resource Efficiency 44 4.8 Pollution Prevention 45 4.9 Waste Management 47 5 EXISTING ENVIRONMENT .............................................................................................. 51 5.1 Physical Environment 51 5.1.1 Meteorology ............................................................................................................... 51 5.1.2 Hydrology ................................................................................................................... 60 5.2 Natural Hazards and Disaster Risks 65 5.3 Water quality assessment 66 5.3.1 Groundwater Quality ................................................................................................. 66 5.3.2 Seawater Quality ........................................................................................................ 66 5.4 Coastal Environment 67 5.4.1 Beach Characteristics ................................................................................................ 67 5.5 Marine Environment 68 5.5.1 Coral Reef Assessment ............................................................................................... 68 5.5.2 Visual Snorkelling survey ........................................................................................... 72 5.6 Marine Protected Areas and Sensitive Sites 73 5.7 Bathymetry 73 5.8 Terrestrial Environment 75 5.8.1