Environmental Impact Assessment
Beach Resort at Anse La Raie
Executive Summary............................................................................. 2
Table of Contents................................................................................ 4
Chapter 1: Project
Overview............................................................... 9
1.1 Tourist-Related Development at Anse La Raie.................................................... 9
1.2 Project justification.............................................................................................. 9
1.2.1 Development of Tourism Sector in Mauritius.............................................. 9
1.2.2 Government Policies................................................................................... 11
1.3 Legal, Regulatory and Institutional Framework................................................ 11
1.3.1 The Environment Protection Act 2002........................................................ 11
1.3.2 The National Development Strategy.......................................................... 12
1.3.2.1 Northern Tourism Zone....................................................................... 12
1.3.2.2 Planning Policy Guidance..................................................................... 12
Chapter 2: Project Brief,
Promoter and Professional Services........... 13
2.1 Project Brief....................................................................................................... 13
2.2 Project Site......................................................................................................... 13
2.2.1 Site Location................................................................................................ 13
2.2.2 Site Ownership............................................................................................ 13
2.2.3 Site Current Status and Occupancy............................................................ 13
2.2.4 Site Topography.......................................................................................... 13
2.3 The Promoter and Professional Services........................................................... 15
2.3.1 The Promoter.............................................................................................. 15
2.3.2 Professional Services.................................................................................. 15
2.3.2.1 Architectural Services.......................................................................... 15
2.3.2.2 Structural, Building and Civil Engineering
Services............................ 15
2.3.2.3 Mechanical & Electrical services........................................................ 15
2.3.2.4 Communication Consultants................................................................ 15
Chapter 3: Detailed
Description of Project........................................ 16
3.1 Description of Works......................................................................................... 16
3.1.1 Main Public Area........................................................................................ 16
3.1.2 Resident Accommodation........................................................................... 16
3.1.3 Service Yard................................................................................................ 16
3.2 Public Health Installation................................................................................... 17
3.2.1 Daily water demand................................................................................... 17
3.2.2 Incoming Power Supply............................................................................... 17
3.2.3 Solid Wastes................................................................................................ 17
3.2.5 Communication........................................................................................... 17
3.3 Hotel Infrastructure........................................................................................... 18
3.3.1 The Sewerage System................................................................................. 18
3.3.2 Access and Parking Spaces......................................................................... 18
3.3.2.1 Access................................................................................................... 18
3.3.2.2 Parking Spaces..................................................................................... 18
3.3.3 The Stand-By Generator............................................................................. 19
3.3.4 Site Drainage.............................................................................................. 19
3.4 Architectural Details.......................................................................................... 19
3.4.1 Residential Apartments/Villas/Spa............................................................. 20
3.4.2 Hotel/Boutique............................................................................................ 21
3.4.3 Other buildings........................................................................................... 22
Chapter 4: The
Physical Environment................................................ 23
4.1 Terrestrial Environment.................................................................................... 23
4.1.1 Geomorphology.......................................................................................... 23
4.1.1.1 Geology................................................................................................ 23
4.1.1.2 Pedology............................................................................................... 23
4.1.2 Climatology................................................................................................. 24
4.1.2.1 Rainfall Regime................................................................................... 25
4.1.2.2 Temperatures...................................................................................... 25
4.1.2.3 Wind Regime....................................................................................... 26
4.1.2.4 Surface Evaporation............................................................................. 26
4.1.2.5 Cyclones and Natural Catastrophes..................................................... 26
4.1.2.5.1 Cyclones........................................................................................ 26
4.1.2.5.2 Natural Catastrophes.................................................................... 27
4.1.2.6 Terrestrial Biodiversity........................................................................ 27
4.1.2.6.1 Site Biodiversity............................................................................ 27
4.1.2.6.2 Surrounding Biodiversity............................................................... 27
4.2 Marine Environment.......................................................................................... 28
4.3 Air Quality and Noise......................................................................................... 28
4.3.1 Air Quality................................................................................................... 28
4.3.2 Noise........................................................................................................... 28
Chapter 5: The Built
Environment of the Project............................... 29
5.1 Demography...................................................................................................... 29
5.1.1 General....................................................................................................... 29
5.1.2 Regional Settlements and Population......................................................... 29
5.2 Regional Industrial Activity................................................................................ 29
5.2.1 Tourism....................................................................................................... 29
5.2.2 Commercial Activity................................................................................... 30
5.2.3 Agricultural activity.................................................................................... 30
5.3 Road Infrastructure............................................................................................ 30
5.4 Public Services and
Utilities............................................................................... 31
5.4.1 Domestic Water Supply.............................................................................. 31
5.4.2 Electricity Supply......................................................................................... 31
5.4.3 Telecommunications................................................................................... 31
5.4.4 Sewage........................................................................................................ 31
5.4.5 Solid Waste Disposal................................................................................... 31
5.5 Social Infrastructure.......................................................................................... 31
Chapter 6:
Environmental Management Strategy............................. 33
6.1 Site Preparation Phase....................................................................................... 33
6.2 Demolition Works.............................................................................................. 33
6.2.1 Generation of Demolition Waste................................................................ 33
6.2.1.1 Nature of Impact.................................................................................. 33
6.2.1.2 Mitigating Measures........................................................................... 33
6.2.2 Generation of Biological Wastes................................................................ 33
6.2.2.1 Origin of Impact................................................................................... 33
6.2.2.2 Mitigating Measures........................................................................... 34
6.2.3 Earthmoving................................................................................................ 34
6.2.3.1 Origin of Impact................................................................................... 34
6.2.3.2 Mitigating Measures........................................................................... 34
6.3 The Construction Phase: Negative Impacts....................................................... 34
6.3.1 Impacts of Solid Wastes.............................................................................. 34
6.3.1.1 Origin of Wastes.................................................................................. 34
6.3.1.2 The Nature of the Impact.................................................................... 35
6.3.1.3 Impact Receptors................................................................................. 35
6.3.1.4 Mitigation Measures........................................................................... 35
6.3.2 Generation of Biological
Pollution.............................................................. 35
6.3.2.1 By Contractor Staff on Site.................................................................. 35
6.3.2.1.1 Nature of the Impact.................................................................... 36
6.3.2.1.2 The Impact Receptors................................................................... 36
6.3.2.1.3 Mitigation measures..................................................................... 36
6.3.3 Spillage of Hydrocarbon............................................................................. 36
6.3.3.1 Nature of the Impact and receptors.................................................... 36
6.3.3.2 Mitigation measures............................................................................ 36
6.4 The Operation Phase: Negative Impacts........................................................... 37
6.4.1 Generation of Solid Wastes........................................................................ 37
6.4.1.1 Mitigation measures............................................................................ 37
6.4.2 Generation of Biological Pollution.............................................................. 37
6.4.2.1 Mitigation measures............................................................................ 37
6.4.3 Generation of Odour from Kitchen............................................................. 38
6.4.3.1
Mitigating measures.......................................................................... 38
6.4.4 Risks of
Hydrocarbon spillage at Stand-by Storage Tank......................... 38
6.4.4.1 Nature
of the Impact......................................................................... 38
6.4.4.2 Mitigating measures proposed by the Proponent............................. 38
6.4.5 Risks of accidental spillage from LPG Storage........................................... 38
6.4.5.1 Mitigation measures............................................................................ 38
6.4.6 SUMMARY OF ENERGY EFFICIENT AND ECO-FRIENDLY
PRACTICES.......... 38
6.4.6.1 Solar water heating............................................................................. 38
6.4.6.2 Sewer Treatment Plant........................................................................ 39
6.4.6.3 Inverter Drives on Air-Conditioning units............................................ 39
6.4.6.4 Efficient Lighting System..................................................................... 39
6.4.6.5 Variable Speed Drives on Pumps......................................................... 40
6.4.6.6 Stand-by Generator.............................................................................. 40
6.4.6.7 Desalination Plant................................................................................ 40
6.5 Socio-Economic Impacts.............................................................. 40
6.5.1 At Conceptual Stage.................................................................................... 40
6.5.2 Construction Stage...................................................................................... 40
6.5.3 At Operation Phase..................................................................................... 41
6.5.3.1 National Economy................................................................................ 41
6.5.3.2 Impact
on Employment...................................................................... 41
6.5.3.3
Peripheral Economic Impacts............................................................ 41
Chapter 7:
Environmental Monitoring Plan....................................... 43
7.1 The Environmental Monitoring Process............................................................ 43
7.2 Environmental Monitoring Process at Construction
Phase............................... 43
7.3 Environmental Monitoring Process at Construction
Phase............................... 43
Chapter 8:
Alternatives to the Project.............................................. 47
Conclusion......................................................................................... 48
APPENDIX A:..................................................................................... 49
Land Lease Reservation
Letter by MOH & L........................................................... 49
APPENDIX B:..................................................................................... 56
Sewer Layout............................................................................................................ 56
Appendix C........................................................................................ 58
Drainage System...................................................................................................... 58
Appendix D....................................................................................... 61
Site Photos................................................................................................................ 61
Appendix E........................................................................................ 64
Preliminary Percolation Test................................................................................... 64
Appendix F........................................................................................ 71
Architect Drawings.................................................................................................. 71